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WO2021124404A1 - Safety harness - Google Patents

Safety harness Download PDF

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Publication number
WO2021124404A1
WO2021124404A1 PCT/JP2019/049196 JP2019049196W WO2021124404A1 WO 2021124404 A1 WO2021124404 A1 WO 2021124404A1 JP 2019049196 W JP2019049196 W JP 2019049196W WO 2021124404 A1 WO2021124404 A1 WO 2021124404A1
Authority
WO
WIPO (PCT)
Prior art keywords
band
thigh
wearer
shoulder
leg
Prior art date
Application number
PCT/JP2019/049196
Other languages
French (fr)
Japanese (ja)
Inventor
雅一 中沢
Original Assignee
株式会社谷沢製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社谷沢製作所 filed Critical 株式会社谷沢製作所
Priority to PCT/JP2019/049196 priority Critical patent/WO2021124404A1/en
Priority to KR1020217019831A priority patent/KR102644112B1/en
Priority to CN201980086002.8A priority patent/CN113272025B/en
Publication of WO2021124404A1 publication Critical patent/WO2021124404A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0018—Full body harnesses covering at least shoulders and thighs
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0025—Details and accessories

Definitions

  • the present invention relates to a safety belt including a pair of thigh bands that are wound around both thighs of the wearer.
  • the right shoulder belt that is hung around the wearer's right shoulder is connected to the left thigh belt that is wound around the wearer's left thigh.
  • the left shoulder band that is hung around the wearer's left shoulder is connected to the right thigh band that is wound around the wearer's right thigh.
  • the safety belt of Patent Document 1 is a so-called X-type safety belt provided with a pad that intersects both shoulder belts in an X shape on the back of the wearer.
  • a safety belt (Y-shaped safety belt) is also known in which the shoulder belt is branched in a Y shape toward the shoulder of the corresponding wearer by using a branch member located around the shoulder (see, for example, Patent Document 2). ..
  • a safety belt in which the shoulder girdle (and the leg girdle) is continuously crossed around the hip bone and the thigh girdle is formed in an annular shape is known (see, for example, Patent Document 3). Further, in this case, the pair of thigh bands are connected by a connecting band so as not to be too far apart from each other.
  • the present invention has a pair of shoulder girdles that are wound around both shoulders of the wearer, a pair of thigh bands that are wound around both thighs of the wearer, and the thigh band.
  • a safety band including a leg band to be connected, a connecting member through which at least one of the shoulder band and the leg band is inserted to connect a lifeline, and a connecting band connecting the pair of thigh bands to each other, the shoulder.
  • the band and the leg band are characterized in that they are fixed to the anterior portion of the thigh band.
  • the anterior portion of the thigh band refers to the side located in front of the wearer's hip bone.
  • the shoulder girdle and the leg girdle are fixed to the front portion of the thigh girdle, when the shoulder girdle and the leg girdle are suspended by the lifeline on the back side, the shoulder girdle and the leg girdle transmit.
  • the weight (weight) of the wearer is applied to the thigh band as a pulling force diagonally backward (in the direction of the waist and back) from the front portion of the thigh band.
  • the pulling force applied to the anterior part of the thigh band acts to pull up the anterior part of the wearer's thigh (or hip joint), and the thigh band has a higher anterior side and a lower posterior side to support the wearer. .. Then, since the connecting band connecting both thigh bands hits the lower side of the wearer's buttocks, the wearer is in a state of being roughly seated on the connecting band. As a result, it is possible to reduce the pain of the wearer due to the compression or biting of the thigh band around the hip joint, as compared with the case where the pulling force is applied to the thigh band from the rear or side of the thigh band as in the conventional case. ..
  • the shoulder girdle and the leg girdle may be fixed to the front part of the thigh band at the same position, or are fixed to the front part of the thigh band at positions separated from each other. You may.
  • the leg band is provided with a superposed portion that superimposes on the thigh band from behind the fixed position to the thigh band to the fixed position, and the thigh band maintains the fixed state of the leg band. Therefore, it is preferable to provide an accommodating portion for accommodating the superposed portion so as to be able to escape upward.
  • the leg band is connected and fixed to the thigh band with a slack by providing the overlapping portion.
  • the overlapping portion that becomes the slack of the leg band is accommodated in the accommodating portion of the thigh band and is concealed from the outside, so that the appearance is prevented from being deteriorated.
  • the overlapping part is exposed upward from the accommodating part of the thigh band when the wearer walks, etc., and the transmission of the pulling force from the leg band to the thigh band is relatively small. As a result, the restriction on the movement of the thigh band by the leg band is relaxed, so that the wearing feeling of the safety belt can be improved.
  • the connecting band is provided with a folded portion that is folded upward.
  • the connecting band By providing the connecting band with the folded-back portion, it is possible to secure a relatively wide surface in contact with the buttocks.
  • the connecting band reliably supports the wearer's buttocks, and the tightening around the hip joint by the thigh band due to the weight (weight) of the wearer is further reduced. be able to.
  • Explanatory drawing which shows the safety belt of one Embodiment of this invention.
  • Explanatory drawing which shows the back side of the safety belt of this embodiment.
  • Explanatory drawing which shows the annular connecting member of the safety belt of this embodiment and the peripheral part thereof.
  • Explanatory drawing which shows the state which the shoulder girdle of this embodiment is shifted to one side.
  • Explanatory drawing which enlarges and shows the connecting band of this embodiment.
  • the explanatory view which shows the wearing state of the safety belt of this embodiment from the rear side of a wearer.
  • the explanatory view which shows the wearing state of the safety belt of this embodiment from the left side of the wearer.
  • Explanatory drawing which shows a part of the deformation example of a leg band and a thigh band.
  • FIG. 8A is an explanatory view showing a state in which the polymerized portion is pulled out upward from the accommodating portion of the thigh band in FIG. 8A.
  • the safety belt 1 of the present embodiment is a so-called full harness type that is attached to a worker (wearer) working at a high place with a lifeline, and both wearers. It is provided with a pair of shoulder girdles 2 and 3 that are wound around the shoulders, a pair of thigh bands 4 and 5 that are wound around the wearer's thighs, and a waist belt 6 that is wound around the wearer's waist. ing.
  • Both shoulder girdles 2 and 3 are composed of the same band-shaped band-shaped body, and are formed by passing the central portion of the band-shaped body through an annular connecting member 7 located on the back of the wearer and folding back in a V shape.
  • the annular connecting member 7 is integrally provided with a D ring 8 (anchor ring) and has an 8-shaped shape, and the annular connecting member 7 also has a function as a D ring stopper for positioning the D ring 8.
  • a lifeline is connected to the annular connecting member 7 via the D ring 8.
  • the shoulder girdles 2 and 3 extend downward on the anterior side (chest side) of the wearer, and the lower ends thereof are the anterior parts of the thigh bands 4 and 5 (the side located anterior to the wearer's hip bone). It is fixed to.
  • the thigh bands 4 and 5 are connected by a connecting band 300, and are configured so that two rings can be formed with the same band-shaped body.
  • the annular connecting member 7 is provided with a leg band 11 which is slidably connected and fixed at both ends to the rear front portion of the pair of thigh bands 4 and 5.
  • the leg girdle 11 is inserted into the annular connecting member 7 at the center thereof and folded downward in a V shape.
  • the leg band 11 and the shoulder band 2 and 3 are fixed to the same position in the front portion of the thigh band 4 and 5.
  • the shoulder girdles 2 and 3 and the leg girdle 11 are made from the first band body 100 and the first band body 100, which form most of the shoulder girdles 2 and 3 and the leg band 11, respectively. It is also composed of a short second band 200 and each.
  • the second band 200 is hatched so that the first band 100 and the second band 200 can be easily distinguished.
  • the first band 100 is inserted into the annular connecting member 7 and folded back.
  • the first band body 100 is folded back so as to be opened in a V shape with the portion folded back by the annular connecting member 7 as an axis.
  • the second band 200 is arranged inside the folded first band 100.
  • the portion of the first band 100 extending from one of the annular connecting members 7 (for example, the side facing the back of the wearer) through the annular connecting member 7 is annularly passed through the first one portion 110 and the annular connecting member 7.
  • the portion of the first band 100 extending from the other side of the connecting member 7 (for example, the side separated from the wearer's back) is passed through the first other portion 120 and the annular connecting member 7 and one of the annular connecting members 7 (for example, the wearer's back).
  • the portion of the second band 200 extending from the side toward the back) passes through the second one portion 210, the annular connecting member 7, and the second band extending from the other of the annular connecting member 7 (for example, the side separated from the wearer's back).
  • the part of the body 200 is referred to as the second other part 220.
  • the tip of the second other portion 220 is fixed to the first one portion 110 at a position separated from the annular connecting member 7 by a predetermined length.
  • the second one portion 210 is fixed to the first other portion 120 at a position separated from the annular connecting member 7 by a predetermined length.
  • the predetermined length is set so that there is no problem in the safety of the safety belt 1 and the lengths of the shoulder belts 2 and 3 can be finely adjusted when the wearer raises one shoulder upward.
  • the specific length differs depending on the size and type of the safety belt 1.
  • Both thigh bands 4 and 5 are connected to each other by a connecting band 300.
  • a connecting band 300 By connecting both thigh bands 4 and 5 with the connecting band 300, it is possible to prevent the thigh bands 4 and 5 from being too far apart from each other.
  • the connecting band 300 is provided with a folded-back portion 310 that is folded upward from the outside of the connecting band 300 (the side opposite to the side that contacts the wearer). Both ends of the folded portion 310 are sewn on the thigh bands 4 and 5 so that the folded state can be maintained.
  • the connecting belt 300 connecting the pair of thigh belts 4 and 5 is provided with the folded-back portion 310 folded upward.
  • the side edge (upper side edge) of the connecting band 300 is less likely to come into contact with the wearer's buttocks, and the folded portion 310 of the connecting band 300 firmly wraps the wearer's buttocks without causing discomfort to the wearer. Can be supported.
  • the leg band 11 and the shoulder bands 2 and 3 are fixed to the same position in the front portion of the thigh bands 4 and 5, so that the annular connecting member 7 is provided.
  • the weight (weight) of the wearer becomes a pulling force diagonally backward (toward the waist and back) from the front part of the thigh bands 4 and 5, and the thigh band. Granted to 4 and 5.
  • the thigh bands 4 and 5 are raised on the front side and lowered on the rear side to support the wearer.
  • the leg band 11 and the shoulder bands 2 and 3 do not have to be the same as long as they are fixed to the front parts of the thigh bands 4 and 5. That is, as shown in FIG. 8A, the fixed position a by sewing the shoulder girdles 2 and 3 and the thigh bands 4 and 5 and the fixed position b by sewing the leg band 11 and the thigh bands 4 and 5 are separated from each other. You may. In FIGS. 8A and 8B, one thigh band 4 and shoulder girdle 2 are shown, but the same applies to the other thigh band 5 and shoulder girdle 3.
  • the lower end portion of the leg band 11 (the portion from the rear of the fixed position b to the thigh band 4 and 5 to the fixed position b) is designated as the thigh band 4 and 5.
  • the length of (in this embodiment) the polymerization section 12 to be polymerized may be formed.
  • the overlapping portion 12 is formed so that the lower end portion of the leg band 11 is folded back along the thigh bands 4 and 5.
  • the thigh bands 4 and 5 are provided with accommodating portions 13 for each overlapping portion 12.
  • the accommodating portion 13 is formed by forming the thigh bands 4 and 5 in a double manner and forming them between them.
  • the polymerization portion 12 acts as a slack in the leg band 11.
  • the safety belt of the present invention even if the lifeline is connected to the back side, the pressure on the thigh belt around the hip joint is reduced, so that the burden on the worker (wearer) is reduced. It can be suitably used for civil engineering and construction industries that work in high places.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

Provided is a safety harness that can alleviate pressure on thigh bands around the hip joints when suspended by a safety tether located on the back side. This safety harness is equipped with: a pair of shoulder bands 2, 3 which are to be respectively wrapped around the shoulders of a wearer; a pair of thigh bands 4, 5 which are to be respectively wrapped around the thighs of the wearer; a leg band 11 which is connected to the thigh bands 4, 5; a connection member 7 through which the shoulder bands 2, 3 and/or the leg band 11 is passed and which is connected to a safety tether; and a link band 300 which links the pair of thigh bands 4, 5. The shoulder belts 2, 3 and the leg band 11 are fixed to front portions of the thigh belts 4, 5.

Description

安全帯Safety belt
　本発明は、装着者の両腿に夫々巻き回される一対の腿帯を備える安全帯に関する。 The present invention relates to a safety belt including a pair of thigh bands that are wound around both thighs of the wearer.
　従来、高い場所で作業する作業員（装着者）に命綱を付けて装着される所謂フルハーネス型の安全帯であり、装着者の両肩に夫々掛け回される一対の肩帯と、装着者の両腿に夫々巻き回される一対の腿帯とを備えるものが知られている（例えば、特許文献１参照）。 Conventionally, it is a so-called full harness type safety belt that is attached to a worker (wearer) who works in a high place with a lifeline, and a pair of shoulder belts that are hung around both shoulders of the wearer and the wearer. It is known that the thighs are provided with a pair of thigh girdles that are wound around each thigh (see, for example, Patent Document 1).
　所謂フルハーネス型の安全帯では、装着者の右肩に掛け回される右肩帯は、装着者の左腿に巻き回される左腿帯に連結される。反対に装着者の左肩に掛け回される左肩帯は、装着者の右腿に巻き回される右腿帯に連結される。特許文献１の安全帯は、装着者の背中で両肩帯をＸ字状に交差させるパッドを備える所謂Ｘ型安全帯である。 In the so-called full harness type safety belt, the right shoulder belt that is hung around the wearer's right shoulder is connected to the left thigh belt that is wound around the wearer's left thigh. Conversely, the left shoulder band that is hung around the wearer's left shoulder is connected to the right thigh band that is wound around the wearer's right thigh. The safety belt of Patent Document 1 is a so-called X-type safety belt provided with a pad that intersects both shoulder belts in an X shape on the back of the wearer.
　また、装着者の動き易さを向上させるべく、両腿帯から延びる２つの肩帯を装着者の腰のあたりに設けられた結束具で一度まとめるように重ね合わせて、その後、装着者の背中のあたりに位置する分岐部材を用いて対応する装着者の肩に向かうように肩帯をＹ字状に分岐させる安全帯（Ｙ型安全帯）も知られている（例えば、特許文献２参照）。 In addition, in order to improve the ease of movement of the wearer, the two shoulder girdles extending from both thighs are overlapped once with a binding tool provided around the wearer's waist, and then the wearer's back. A safety belt (Y-shaped safety belt) is also known in which the shoulder belt is branched in a Y shape toward the shoulder of the corresponding wearer by using a branch member located around the shoulder (see, for example, Patent Document 2). ..
　また、この種の安全帯として、肩帯（及び脚帯）から連続して腰骨あたりで交差させ腿帯を環状に構成たものが知られている（例えば、特許文献３参照）。更に、このものでは、一対の腿帯が互いに離れすぎないように連結帯で連結させている。 Further, as this kind of safety belt, a safety belt in which the shoulder girdle (and the leg girdle) is continuously crossed around the hip bone and the thigh girdle is formed in an annular shape is known (see, for example, Patent Document 3). Further, in this case, the pair of thigh bands are connected by a connecting band so as not to be too far apart from each other.
特開２００６－２２３６３９号公報Japanese Unexamined Patent Publication No. 2006-223639 特開２０１３－８１５９７号公報Japanese Unexamined Patent Publication No. 2013-81597 特開平１１－３３３０１１号公報Japanese Unexamined Patent Publication No. 11-333011
　ところで、上記従来の安全帯は、高所作業時に装着者が背中側に接続された命綱によって吊り下げられた状態になると、肩帯や脚帯によって腿帯が引っ張られ、装着者の股関節周りに腿帯がきつく食い込んだ状態となる。このとき、両腿帯を連結する連結帯が臀部側に位置しても、装着者の背中側の命綱で吊り下げられた状態であるので、両腿帯には前方から後方に向かう引っ張り力が付与されて、連結帯が臀部下から位置ずれして連結帯によって重量（装着者の体重）を殆ど受けることができない。 By the way, in the above-mentioned conventional safety belt, when the wearer is suspended by a lifeline connected to the back side during work at a high place, the thigh band is pulled by the shoulder band and the leg band, and the thigh band is pulled around the wearer's hip joint. The thigh band is in a tightly bitten state. At this time, even if the connecting band connecting both thigh bands is located on the buttocks side, it is in a state of being suspended by the lifeline on the back side of the wearer, so that both thigh bands have a pulling force from the front to the rear. As a result, the connecting band is displaced from the lower part of the buttocks, and the connecting band hardly receives the weight (the weight of the wearer).
　これにより、股関節周りにきつく食い込んた腿帯によって装着者が苦痛を感じる不都合がある。 This has the inconvenience that the wearer feels pain due to the thigh band that bites tightly around the hip joint.
　本発明は、以上の点に鑑み、背中側の命綱による吊り下げ状態の時に、股関節周りへの腿帯の圧迫を軽減することができる安全帯を提供することを目的とする。 In view of the above points, it is an object of the present invention to provide a safety belt capable of reducing the pressure on the thigh band around the hip joint when suspended by the lifeline on the back side.
　かかる目的を達成するために、本発明は、装着者の両肩に夫々掛け回される一対の肩帯と、装着者の両腿に夫々巻き回される一対の腿帯と、前記腿帯に接続される脚帯と、前記肩帯と前記脚帯との少なくとも一方が挿通されて命綱を接続する接続部材と、一対の前記
腿帯同士を連結する連結帯とを備える安全帯において、前記肩帯と前記脚帯とは、前記腿帯の前方部分に固定されていることを特徴とする。なお、本明細書において、前記腿帯の前方部分とは、装着者の腰骨よりも前方に位置する側を指すものとする。 In order to achieve such an object, the present invention has a pair of shoulder girdles that are wound around both shoulders of the wearer, a pair of thigh bands that are wound around both thighs of the wearer, and the thigh band. In a safety band including a leg band to be connected, a connecting member through which at least one of the shoulder band and the leg band is inserted to connect a lifeline, and a connecting band connecting the pair of thigh bands to each other, the shoulder. The band and the leg band are characterized in that they are fixed to the anterior portion of the thigh band. In the present specification, the anterior portion of the thigh band refers to the side located in front of the wearer's hip bone.
　本発明によれば、前記肩帯と前記脚帯とが前記腿帯の前方部分に固定されていることにより、背中側の命綱による吊り下げ状態となると、前記肩帯と前記脚帯とから伝達される装着者の重量（体重）は、前記腿帯の前方部分から斜め後方（腰や背中の方向）への引っ張り力となって、前記腿帯に付与される。 According to the present invention, since the shoulder girdle and the leg girdle are fixed to the front portion of the thigh girdle, when the shoulder girdle and the leg girdle are suspended by the lifeline on the back side, the shoulder girdle and the leg girdle transmit. The weight (weight) of the wearer is applied to the thigh band as a pulling force diagonally backward (in the direction of the waist and back) from the front portion of the thigh band.
　腿帯の前方部分に付与された引っ張り力は、装着者の腿（或いは股関節）の前方部分を上方に引き上げるように作用し、腿帯は前側が高くなり後側が低くなって装着者を支持する。そして、両腿帯を連結している連結帯が装着者の臀部の下側に当たるので、装着者は連結帯に大略着座したような状態となる。これにより、従来のように腿帯の後方や側方から腿帯に引っ張り力が付与された場合に比べて、股関節周りへの腿帯の圧迫や食い込みによる装着者の苦痛を軽減することができる。 The pulling force applied to the anterior part of the thigh band acts to pull up the anterior part of the wearer's thigh (or hip joint), and the thigh band has a higher anterior side and a lower posterior side to support the wearer. .. Then, since the connecting band connecting both thigh bands hits the lower side of the wearer's buttocks, the wearer is in a state of being roughly seated on the connecting band. As a result, it is possible to reduce the pain of the wearer due to the compression or biting of the thigh band around the hip joint, as compared with the case where the pulling force is applied to the thigh band from the rear or side of the thigh band as in the conventional case. ..
　本発明において、前記肩帯と前記脚帯とは、前記腿帯の前方部分に同一箇所で固定されていてもよく、或いは、前記腿帯の前方部分であって互いに離間する位置で固定されていてもよい。 In the present invention, the shoulder girdle and the leg girdle may be fixed to the front part of the thigh band at the same position, or are fixed to the front part of the thigh band at positions separated from each other. You may.
　また、本発明において、前記脚帯は、前記腿帯への固定位置よりも後方から当該固定位置まで前記腿帯に重合する重合部を備え、前記腿帯は、前記脚帯の固定状態を維持して前記重合部を上方向に脱出自在に収容する収容部を備えることが好ましい。 Further, in the present invention, the leg band is provided with a superposed portion that superimposes on the thigh band from behind the fixed position to the thigh band to the fixed position, and the thigh band maintains the fixed state of the leg band. Therefore, it is preferable to provide an accommodating portion for accommodating the superposed portion so as to be able to escape upward.
　前記脚帯は、前記重合部を設けることにより弛みを持った状態で前記腿帯に連結固定される。脚帯の弛みとなる重合部は、腿帯の収容部に収容されて、外部から隠蔽されるので外観低下が防止される。 The leg band is connected and fixed to the thigh band with a slack by providing the overlapping portion. The overlapping portion that becomes the slack of the leg band is accommodated in the accommodating portion of the thigh band and is concealed from the outside, so that the appearance is prevented from being deteriorated.
　重合部は、装着者の歩行時等に、腿帯の収容部から上方に露出して、脚帯から腿帯への引っ張り力の伝達を比較的小とする。これにより、脚帯による腿帯の動きの制約が緩和されるので、安全帯の装着感を良好とすることができる。 The overlapping part is exposed upward from the accommodating part of the thigh band when the wearer walks, etc., and the transmission of the pulling force from the leg band to the thigh band is relatively small. As a result, the restriction on the movement of the thigh band by the leg band is relaxed, so that the wearing feeling of the safety belt can be improved.
　また、本発明において、前記連結帯には、上方に向かって折り返された折返し部が設けられていることが好ましい。連結帯が折返し部を備えることにより、臀部に接する面を比較的広く確保することができる。これにより、装着者が命綱で吊り下げられた状態のとき、装着者の臀部を連結帯が確実に支え、装着者の重量（体重）に伴う腿帯による股関節周りの締め付けを一層確実に軽減することができる。 Further, in the present invention, it is preferable that the connecting band is provided with a folded portion that is folded upward. By providing the connecting band with the folded-back portion, it is possible to secure a relatively wide surface in contact with the buttocks. As a result, when the wearer is suspended by a lifeline, the connecting band reliably supports the wearer's buttocks, and the tightening around the hip joint by the thigh band due to the weight (weight) of the wearer is further reduced. be able to.
本発明の一実施形態の安全帯を示す説明図。Explanatory drawing which shows the safety belt of one Embodiment of this invention. 本実施形態の安全帯の背面側を示す説明図。Explanatory drawing which shows the back side of the safety belt of this embodiment. 本実施形態の安全帯の環状接続部材とその周辺部分を示す説明図。Explanatory drawing which shows the annular connecting member of the safety belt of this embodiment and the peripheral part thereof. 本実施形態の肩帯が一方にずれた状態を示す説明図。Explanatory drawing which shows the state which the shoulder girdle of this embodiment is shifted to one side. 本実施形態の連結帯を拡大して示す説明図。Explanatory drawing which enlarges and shows the connecting band of this embodiment. 本実施形態の安全帯の装着状態を装着者の後側から示す説明図。The explanatory view which shows the wearing state of the safety belt of this embodiment from the rear side of a wearer. 本実施形態の安全帯の装着状態を装着者の左側から示す説明図。The explanatory view which shows the wearing state of the safety belt of this embodiment from the left side of the wearer. 脚帯と腿帯の変形例の一部を示す説明図。Explanatory drawing which shows a part of the deformation example of a leg band and a thigh band. 図８Ａにおいて重合部が腿帯の収容部から上方に引き出された状態を示す説明図。FIG. 8A is an explanatory view showing a state in which the polymerized portion is pulled out upward from the accommodating portion of the thigh band in FIG. 8A.
　本発明の実施形態を図面に基づいて説明する。図１及び図２示すように、本実施形態の
安全帯１は、高所で作業する作業員（装着者）に命綱を付けて装着される所謂フルハーネス型のものであり、装着者の両肩に夫々掛け回される一対の肩帯２，３と、装着者の両腿に夫々巻き回される一対の腿帯４，５と、装着者の腰に巻き回される腰帯６とを備えている。 Embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the safety belt 1 of the present embodiment is a so-called full harness type that is attached to a worker (wearer) working at a high place with a lifeline, and both wearers. It is provided with a pair of shoulder girdles 2 and 3 that are wound around the shoulders, a pair of thigh bands 4 and 5 that are wound around the wearer's thighs, and a waist belt 6 that is wound around the wearer's waist. ing.
　両肩帯２，３は、同一の帯状の帯状体で構成されており、帯状体の中央部を装着者の背中に位置する環状接続部材７に通してＶ字状に折り返して構成される。環状接続部材７はＤ環８（アンカーリング）が一体に設けられて８字形状となっており、環状接続部材７がＤ環８の位置決めとしてのＤ環止めとしての機能を兼ね備えている。環状接続部材７にはＤ環８を介して命綱が接続される。 Both shoulder girdles 2 and 3 are composed of the same band-shaped band-shaped body, and are formed by passing the central portion of the band-shaped body through an annular connecting member 7 located on the back of the wearer and folding back in a V shape. The annular connecting member 7 is integrally provided with a D ring 8 (anchor ring) and has an 8-shaped shape, and the annular connecting member 7 also has a function as a D ring stopper for positioning the D ring 8. A lifeline is connected to the annular connecting member 7 via the D ring 8.
　肩帯２，３は、装着者の前方側（胸側）を下方に向かって延び、その下端が、夫々、腿帯４，５の前方部分（装着者の腰骨よりも前方に位置する側）に固定されている。 The shoulder girdles 2 and 3 extend downward on the anterior side (chest side) of the wearer, and the lower ends thereof are the anterior parts of the thigh bands 4 and 5 (the side located anterior to the wearer's hip bone). It is fixed to.
　肩帯２，３を腿帯４，５の前方部分に固定することにより、腰帯６に道具袋などを取り付けても肩帯２，３が道具袋などと接触し難く、肩帯２，３が邪魔にならない。 By fixing the shoulder girdles 2 and 3 to the front part of the thigh girdles 4 and 5, even if a tool bag or the like is attached to the pelvic girdle 6, the shoulder girdles 2 and 3 do not easily come into contact with the tool bag or the like, and the shoulder girdles 2 and 3 become It does not get in the way.
　また、腿帯４，５は、連結帯３００によって連結されており、同一の帯状体で２つの輪を作れるように構成される。環状接続部材７には、一対の腿帯４，５の後前方部分に両端が夫々摺動自在に連結固定される脚帯１１が設けられている。脚帯１１は、肩帯２，３と同様に、その中央部で環状接続部材７に挿通されて下方へＶ字状に折り返されている。脚帯１１と肩帯２，３とは、腿帯４，５の前方部分の同一箇所に固定されている。 Further, the thigh bands 4 and 5 are connected by a connecting band 300, and are configured so that two rings can be formed with the same band-shaped body. The annular connecting member 7 is provided with a leg band 11 which is slidably connected and fixed at both ends to the rear front portion of the pair of thigh bands 4 and 5. Like the shoulder girdles 2 and 3, the leg girdle 11 is inserted into the annular connecting member 7 at the center thereof and folded downward in a V shape. The leg band 11 and the shoulder band 2 and 3 are fixed to the same position in the front portion of the thigh band 4 and 5.
　図３に拡大して示すように、肩帯２，３及び脚帯１１は、肩帯２，３及び脚帯１１の大部分をそれぞれ構成する第１帯体１００と、第１帯体１００よりも短い第２帯体２００とでそれぞれ構成されている。 As shown enlarged in FIG. 3, the shoulder girdles 2 and 3 and the leg girdle 11 are made from the first band body 100 and the first band body 100, which form most of the shoulder girdles 2 and 3 and the leg band 11, respectively. It is also composed of a short second band 200 and each.
　図３では、第１帯体１００と第２帯体２００とを区別し易くすべく、第２帯体２００にハッチングを施して示している。第１帯体１００は、環状接続部材７に挿入されて折り返されている。第１帯体１００は、環状接続部材７で折り返された部分を軸にＶ字形状に開かれるようにして折り返されている。第２帯体２００は、折り返された第１帯体１００の内側に配置されている。 In FIG. 3, the second band 200 is hatched so that the first band 100 and the second band 200 can be easily distinguished. The first band 100 is inserted into the annular connecting member 7 and folded back. The first band body 100 is folded back so as to be opened in a V shape with the portion folded back by the annular connecting member 7 as an axis. The second band 200 is arranged inside the folded first band 100.
　ここで、環状接続部材７を通って環状接続部材７の一方（例えば装着者の背中に向かう側）から延びる第１帯体１００の部分を第１一方部分１１０、環状接続部材７を通って環状接続部材７の他方（例えば装着者の背中から離隔する側）から延びる第１帯体１００の部分を第１他方部分１２０、環状接続部材７を通って環状接続部材７の一方（例えば装着者の背中に向かう側）から延びる第２帯体２００の部分を第２一方部分２１０、環状接続部材７を通って環状接続部材７の他方（例えば装着者の背中から離隔する側）から延びる第２帯体２００の部分を第２他方部分２２０、とする。 Here, the portion of the first band 100 extending from one of the annular connecting members 7 (for example, the side facing the back of the wearer) through the annular connecting member 7 is annularly passed through the first one portion 110 and the annular connecting member 7. The portion of the first band 100 extending from the other side of the connecting member 7 (for example, the side separated from the wearer's back) is passed through the first other portion 120 and the annular connecting member 7 and one of the annular connecting members 7 (for example, the wearer's back). The portion of the second band 200 extending from the side toward the back) passes through the second one portion 210, the annular connecting member 7, and the second band extending from the other of the annular connecting member 7 (for example, the side separated from the wearer's back). The part of the body 200 is referred to as the second other part 220.
　第１一方部分１１０には、第２他方部分２２０の先端が、環状接続部材７から所定の長さだけ離隔した位置で固定されている。第１他方部分１２０には、第２一方部分２１０が、環状接続部材７から所定の長さだけ離隔した位置で固定されている。所定の長さは、安全帯１の安全性に問題がなく、且つ装着者が一方の肩を上方に上げたときに肩帯２，３の長さを微調整できる程度に設定されており、具体的な長さについては安全帯１のサイズ、種類によって異なっている。 The tip of the second other portion 220 is fixed to the first one portion 110 at a position separated from the annular connecting member 7 by a predetermined length. The second one portion 210 is fixed to the first other portion 120 at a position separated from the annular connecting member 7 by a predetermined length. The predetermined length is set so that there is no problem in the safety of the safety belt 1 and the lengths of the shoulder belts 2 and 3 can be finely adjusted when the wearer raises one shoulder upward. The specific length differs depending on the size and type of the safety belt 1.
　両腿帯４，５は、互いに連結帯３００によって連結されている。両腿帯４，５が連結帯３００で連結されることにより、腿帯４，５同士が離れすぎることを防止できる。 Both thigh bands 4 and 5 are connected to each other by a connecting band 300. By connecting both thigh bands 4 and 5 with the connecting band 300, it is possible to prevent the thigh bands 4 and 5 from being too far apart from each other.
　図５に示すように、連結帯３００には、連結帯３００の外側（装着者に接触する側とは反対側）から上方に向かって折り返された折返し部３１０が設けられている。折返し部３１０の両端部分は、折り返された状態を維持できるように、腿帯４，５に縫い付けられている。 As shown in FIG. 5, the connecting band 300 is provided with a folded-back portion 310 that is folded upward from the outside of the connecting band 300 (the side opposite to the side that contacts the wearer). Both ends of the folded portion 310 are sewn on the thigh bands 4 and 5 so that the folded state can be maintained.
　本実施形態の安全帯１によれば、一対の腿帯４，５を連結する連結帯３００に、上方に向かって折り返された折返し部３１０を設けることにより、図６及び図７に示すように、連結帯３００の側縁（上側の側縁）が装着者の臀部に接触し難くなり、装着者に不快感を与えることなく、連結帯３００の折返し部３１０で装着者の臀部をしっかりと包み込むように支えることができる。 According to the safety belt 1 of the present embodiment, as shown in FIGS. 6 and 7, the connecting belt 300 connecting the pair of thigh belts 4 and 5 is provided with the folded-back portion 310 folded upward. , The side edge (upper side edge) of the connecting band 300 is less likely to come into contact with the wearer's buttocks, and the folded portion 310 of the connecting band 300 firmly wraps the wearer's buttocks without causing discomfort to the wearer. Can be supported.
　また、本実施形態の安全帯１によれば、脚帯１１と肩帯２，３とが、腿帯４，５の前方部分の同一箇所に固定されていることにより、環状接続部材７のある背中側から命綱による吊り下げ状態となったとき、装着者の重量（体重）が、腿帯４，５の前方部分から斜め後方（腰や背中の方向）への引っ張り力となって、腿帯４，５に付与される。このとき、腿帯４，５は前側が高くなり後側が低くなって装着者を支持する。 Further, according to the safety band 1 of the present embodiment, the leg band 11 and the shoulder bands 2 and 3 are fixed to the same position in the front portion of the thigh bands 4 and 5, so that the annular connecting member 7 is provided. When the wearer is suspended from the back side by a lifeline, the weight (weight) of the wearer becomes a pulling force diagonally backward (toward the waist and back) from the front part of the thigh bands 4 and 5, and the thigh band. Granted to 4 and 5. At this time, the thigh bands 4 and 5 are raised on the front side and lowered on the rear side to support the wearer.
　そして、両腿帯４，５を連結している連結帯３００が装着者の臀部の下側に当たるので、装着者は連結帯３００に大略着座したような状態となる。これにより、股関節周りへの腿帯４，５の圧迫や食い込みを軽減することができる。よって、吊り下げ状態となった装着者が腿帯４，５から受ける苦痛を軽減することができる。 Then, since the connecting band 300 connecting both thigh bands 4 and 5 hits the lower side of the wearer's buttocks, the wearer is roughly seated on the connecting band 300. As a result, it is possible to reduce the pressure and bite of the thigh bands 4 and 5 around the hip joint. Therefore, it is possible to reduce the pain that the wearer in the suspended state receives from the thigh belts 4 and 5.
　なお、脚帯１１と肩帯２，３とは、腿帯４，５の前方部分に固定されていれば同一箇所でなくてもよい。即ち、図８Ａに示すように、肩帯２，３と腿帯４，５との縫製による固定位置ａと、脚帯１１と腿帯４，５との縫製による固定位置ｂとが離間していてもよい。図８Ａ及び図８Ｂにおいては、一方の腿帯４及び肩帯２を示しているが、他方の腿帯５及び肩帯３も同様である。 The leg band 11 and the shoulder bands 2 and 3 do not have to be the same as long as they are fixed to the front parts of the thigh bands 4 and 5. That is, as shown in FIG. 8A, the fixed position a by sewing the shoulder girdles 2 and 3 and the thigh bands 4 and 5 and the fixed position b by sewing the leg band 11 and the thigh bands 4 and 5 are separated from each other. You may. In FIGS. 8A and 8B, one thigh band 4 and shoulder girdle 2 are shown, but the same applies to the other thigh band 5 and shoulder girdle 3.
　また、図８Ａ及び図８Ｂに示すように、脚帯１１の下端部（腿帯４，５への固定位置ｂよりも後方から当該固定位置ｂまでの部分）に、腿帯４，５に所定の長さ（本実施形態では）重合する重合部１２を形成してもよい。 Further, as shown in FIGS. 8A and 8B, the lower end portion of the leg band 11 (the portion from the rear of the fixed position b to the thigh band 4 and 5 to the fixed position b) is designated as the thigh band 4 and 5. The length of (in this embodiment) the polymerization section 12 to be polymerized may be formed.
　重合部１２は脚帯１１の下端部を折り返して腿帯４，５に沿わせるようにして形成される。そして、腿帯４，５には、各重合部１２を収容部１３が設けられている。収容部１３は、腿帯４，５を夫々２重に構成してその間に形成されている。重合部１２は、脚帯１１の弛みとして作用する。 The overlapping portion 12 is formed so that the lower end portion of the leg band 11 is folded back along the thigh bands 4 and 5. The thigh bands 4 and 5 are provided with accommodating portions 13 for each overlapping portion 12. The accommodating portion 13 is formed by forming the thigh bands 4 and 5 in a double manner and forming them between them. The polymerization portion 12 acts as a slack in the leg band 11.
　装着者の歩行時等に脚帯１１から腿帯４，５に対して上方への引っ張り力が付与されると、図８Ｂに示すように、重合部１２が腿帯４，５の収容部１３から上方に引き出されて、脚帯１１から腿帯４，５に付与される引っ張り力が緩和される。 When an upward pulling force is applied from the leg band 11 to the thigh bands 4 and 5 when the wearer is walking or the like, as shown in FIG. 8B, the overlapping portion 12 changes to the accommodating portion 13 of the thigh bands 4 and 5. The pulling force applied to the thigh bands 4 and 5 from the leg band 11 is relaxed by being pulled upward from the leg band 11.
　これにより、装着者が動き易くなり、安全帯１の装着感が向上する。しかも、脚帯１１から腿帯４，５への引っ張り力が付与されていないときには、重合部１２は、腿帯４，５の収容部１３内に隠蔽されて、外観が良好となる。 This makes it easier for the wearer to move and improves the wearing feeling of the safety belt 1. Moreover, when the pulling force from the leg bands 11 to the thigh bands 4 and 5 is not applied, the overlapping portion 12 is concealed in the accommodating portions 13 of the thigh bands 4 and 5, and the appearance is improved.
　本発明の安全帯によれば、背中側に連結した命綱によって吊り下げ状態となっても、股関節周りへの腿帯の圧迫が軽減されるので、作業員（装着者）の負担を軽減して高い場所での作業を行う土木・建築業等に好適に利用することができる。 According to the safety belt of the present invention, even if the lifeline is connected to the back side, the pressure on the thigh belt around the hip joint is reduced, so that the burden on the worker (wearer) is reduced. It can be suitably used for civil engineering and construction industries that work in high places.
　１…安全帯、２，３…肩帯、４，５…腿帯、７…環状接続部材（接続部材）、１１…脚帯、１２…重合部、１３…収容部、３００…連結帯、３１０…折返し部。
  1 ... safety belt, 2, 3 ... shoulder girdle, 4, 5 ... thigh band, 7 ... annular connecting member (connecting member), 11 ... leg band, 12 ... overlapping part, 13 ... accommodating part, 300 ... connecting band, 310 … Folding part.

Claims (5)

  1. 　装着者の両肩に夫々掛け回される一対の肩帯と、装着者の両腿に夫々巻き回される一対の腿帯と、前記腿帯に接続される脚帯と、前記肩帯と前記脚帯との少なくとも一方が挿通されて命綱を接続する接続部材と、一対の前記腿帯同士を連結する連結帯とを備える安全帯において、
    　前記肩帯と前記脚帯とは、前記腿帯の前方部分に固定されていることを特徴とする安全帯。     A pair of shoulder girdles that are hung around both shoulders of the wearer, a pair of thigh bands that are wound around both thighs of the wearer, a leg band that is connected to the thigh band, and the shoulder girdle and the above. In a safety band including a connecting member through which at least one of the leg band is inserted to connect the lifeline and a connecting band connecting the pair of the thigh bands to each other.
    The shoulder girdle and the leg girdle are safety belts that are fixed to the anterior portion of the thigh girdle.
  2. 　前記肩帯と前記脚帯とは、前記腿帯の前方部分に同一箇所で固定されていることを特徴とする請求項１記載の安全帯。 The safety belt according to claim 1, wherein the shoulder girdle and the leg girdle are fixed to the front portion of the thigh girdle at the same location.
  3. 　前記肩帯と前記脚帯とは、前記腿帯の前方部分であって互いに離間する位置に固定されていることを特徴とする請求項１記載の安全帯。 The safety belt according to claim 1, wherein the shoulder girdle and the leg girdle are fixed to the front portion of the thigh girdle at positions separated from each other.
  4. 　前記脚帯は、前記腿帯への固定位置よりも後方から当該固定位置まで前記腿帯に重合する重合部を備え、
    　前記腿帯は、前記脚帯の固定状態を維持して前記重合部を上方向に脱出自在に収容する収容部を備えることを特徴とする請求項１～３の何れか１項記載の安全帯。     The leg band includes a superposed portion that polymerizes on the thigh band from behind the fixed position to the thigh band to the fixed position.
    The safety belt according to any one of claims 1 to 3, wherein the thigh band is provided with a storage portion that maintains the fixed state of the leg band and accommodates the polymerized portion in an upward direction. ..
  5. 　前記連結帯には、上方に向かって折り返された折返し部が設けられていることを特徴とする請求項１記載の安全帯。
          The safety belt according to claim 1, wherein the connecting belt is provided with a folded-back portion that is folded upward.
PCT/JP2019/049196 2019-12-16 2019-12-16 Safety harness WO2021124404A1 (en)

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