NL6607140A - - Google Patents
Info
- Publication number
- NL6607140A NL6607140A NL6607140A NL6607140A NL6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A
- Authority
- NL
- Netherlands
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
- F16M11/245—Members limiting spreading of legs, e.g. "umbrella legs"
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
- F16M11/105—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis the horizontal axis being the roll axis, e.g. for creating a landscape-portrait rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/04—Balancing means
- F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US458316A US3315930A (en) | 1965-05-24 | 1965-05-24 | Portable projection screen stand |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6607140A true NL6607140A (xx) | 1966-11-25 |
Family
ID=23820302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6607140A NL6607140A (xx) | 1965-05-24 | 1966-05-24 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3315930A (xx) |
DE (1) | DE1497556A1 (xx) |
GB (1) | GB1081968A (xx) |
NL (1) | NL6607140A (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819457A (en) * | 1973-02-26 | 1974-06-25 | Consolidated Novelty Co Ltd | Artificial christmas tree having erectable limbs |
GB2222516A (en) * | 1988-08-22 | 1990-03-14 | Hwang Sheng Chang | Supporting structure |
GB2244424B (en) * | 1990-04-27 | 1993-01-20 | Reckitt & Colman Fine Art & Gr | Improvements to adjustable supports |
US6102357A (en) * | 1998-02-18 | 2000-08-15 | Papadatos; Evangelos A. | Multi-positional tree stand |
US6851701B2 (en) * | 2002-08-09 | 2005-02-08 | Ames True Temper, Inc. | Collapsible wheelbarrow and associated method |
US6923469B2 (en) * | 2002-08-09 | 2005-08-02 | Ames True Temper, Inc. | Collapsible wheelbarrow |
US6981350B1 (en) | 2003-01-24 | 2006-01-03 | Draper, Inc. | Projection screen apparatus |
US20050087958A1 (en) * | 2003-05-07 | 2005-04-28 | Ames True Temper, Inc. | Collapsible wheelbarrow |
US7832701B2 (en) * | 2006-04-11 | 2010-11-16 | Barnes Bobby M | Easy open portable easel |
CN104730840A (zh) * | 2015-04-08 | 2015-06-24 | 王静 | 一种便携式投影屏幕 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899164A (en) * | 1959-08-11 | Portable tripod stand for projection | ||
US755043A (en) * | 1903-11-27 | 1904-03-22 | George W Pike | Folding stool. |
US1258518A (en) * | 1917-08-01 | 1918-03-05 | Louis B Ankovitz | Umbrella-holder. |
US2825518A (en) * | 1956-05-16 | 1958-03-04 | Sr Laurel E Cooley | Portable projection screen structure |
US2925979A (en) * | 1957-03-29 | 1960-02-23 | William P Walker | Paint bucket support for use on staging |
-
1965
- 1965-05-24 US US458316A patent/US3315930A/en not_active Expired - Lifetime
-
1966
- 1966-04-20 DE DE19661497556 patent/DE1497556A1/de active Pending
- 1966-05-24 NL NL6607140A patent/NL6607140A/xx unknown
- 1966-05-24 GB GB23191/66A patent/GB1081968A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1497556A1 (de) | 1969-07-10 |
GB1081968A (en) | 1967-09-06 |
US3315930A (en) | 1967-04-25 |