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US317090A - Lasting-tack - Google Patents

Lasting-tack Download PDF

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Publication number
US317090A
US317090A US317090DA US317090A US 317090 A US317090 A US 317090A US 317090D A US317090D A US 317090DA US 317090 A US317090 A US 317090A
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United States
Prior art keywords
tack
shank
lasting
head
william
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Expired - Lifetime
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00Nails; Staples
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/923Nail, spike or tack having specific head structure

Definitions

  • WILLIAM M CAVE, CHRISTIAN HOLM, AND WILLIAM BLANDOW, OF CHICAGO, ILLINOIS.
  • Our invention relates to an improved tack used by shoe-makers in securing the leather to the last.
  • the object of the invention is to provide tack which will securely hold the leather to the last, and at the same time, although driven in sufficiently to prevent the thread from catching upon it, may be easily removed.
  • the invention consists in providing theghead of the tack on its under face with suitable transverse corrugations and longitudinal grooves, and, further, to notch said head upon'each side face, and to form its top on a double incline, as will be described and claimed.
  • Figure l is a perspective of our tack
  • Fig. 2 a similar View of an old style tack
  • Fig. 3 an end elevation of our tack with the shank broken off
  • Fig. 4 a bottom plan with the shank in section, all on an enlarged scale.
  • Our tack consists of a shank, A. formed upon its upper 'end with a head, A, and pointed upon its lower end to adapt it to enter the last.
  • the head we formin a triangular shape, and upon its two flat sides we form suitable notches or grooves, a, into which the fingernail can be inserted when it is desired to draw the tack from the last.
  • Fig. 4. we form upon the under face of head A, and upon each side of the shank, transverse grooves b and longitudinal notches or grooves b, which, as the tack is driven into the leather and last, serve so hold the leather more firmly in-place.
  • the tack When in use, the tack is driven in untll the lower face of its head contacts with the leather, and because of the shape of said head it becomes impossible for the thread to catch thereupon, as is the case where the tack shown in Fig. 2 is employed.
  • the shank In such a tack, to afford a sufficiently strong and secure hold, the shank has to be considerably longer than that of our tack, and in use there is always a certain amount of the shank left protruding above the leather and upon which the thread catches.
  • a lasting-tack consisting of shank A and head A, having side faces provided with grooves a,and upon its under face with grooves b b, as set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

no Model.)
' W. M. GAVE, G. HOLM & W. BLANDOW.
No. 317,090. r Patented May 5, 1885.
N, FE'IIIRS. Pinlo-blhognphar. Wm B. C.
UNITED STATES PATENT OFFICE.
WILLIAM M. CAVE, CHRISTIAN HOLM, AND WILLIAM BLANDOW, OF CHICAGO, ILLINOIS.
LASTI NG-TAC K.
SPECIPICATIQN forming part of Letters l atent No. 317,090, dated May 5, 1885.
V I Application filed December 30, 1884. (No model.)
T0 aZZ whom it may concern Be it known that we, WILLIAM M. CAVE, a citizen of the United States of America, CHRIs- TIAN HoLM, a subject of the King of Denmark, and WILLIAM BLANDOW, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Shoe-Makers Lasting-Tacks, of which the following is'a specification, reference being had therein to the accompanying drawings.
Our invention'relates to an improved tack used by shoe-makers in securing the leather to the last. r
The object of the invention is to provide tack which will securely hold the leather to the last, and at the same time, although driven in sufficiently to prevent the thread from catching upon it, may be easily removed.
To the accomplishment of the above the invention consists in providing theghead of the tack on its under face with suitable transverse corrugations and longitudinal grooves, and, further, to notch said head upon'each side face, and to form its top on a double incline, as will be described and claimed.
Reference will be made to the accompanying drawings, in whichFigure l is a perspective of our tack; Fig. 2, a similar View of an old style tack; Fig. 3, an end elevation of our tack with the shank broken off, and Fig. 4 a bottom plan with the shank in section, all on an enlarged scale.
Like letters refer to like parts in each view.
Our tack consists of a shank, A. formed upon its upper 'end with a head, A, and pointed upon its lower end to adapt it to enter the last. The head we formin a triangular shape, and upon its two flat sides we form suitable notches or grooves, a, into which the fingernail can be inserted when it is desired to draw the tack from the last. As shown in Fig. 4.,we form upon the under face of head A, and upon each side of the shank, transverse grooves b and longitudinal notches or grooves b, which, as the tack is driven into the leather and last, serve so hold the leather more firmly in-place.
When in use, the tack is driven in untll the lower face of its head contacts with the leather, and because of the shape of said head it becomes impossible for the thread to catch thereupon, as is the case where the tack shown in Fig. 2 is employed. In such a tack, to afford a sufficiently strong and secure hold, the shank has to be considerably longer than that of our tack, and in use there is always a certain amount of the shank left protruding above the leather and upon which the thread catches. What we claim is w A lasting-tack consisting of shank A and head A, having side faces provided with grooves a,and upon its under face with grooves b b, as set forth.
In testimony whereof we affix our signatures in presence of two witnesses.
WILLIAM M. CAVE. CHRISTIAN HOLM. WILLIAM BLANDOW. Witnesses:
M. J. OLAGETT, LoUIs NOLTING.
US317090D Lasting-tack Expired - Lifetime US317090A (en)

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US317090A true US317090A (en) 1885-05-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205757A (en) * 1963-02-11 1965-09-14 Edmund H Kuennen Thumb tack
US3208330A (en) * 1962-06-15 1965-09-28 Fastener Corp Fastener head with grooves to receive driving tool ribs
US3897925A (en) * 1973-12-05 1975-08-05 Max Mayer Wall plug
US6406241B1 (en) 1999-12-23 2002-06-18 Moore Push-Pin Company Push-pin having a curved neck
US9151555B1 (en) * 2013-01-04 2015-10-06 George Huang Pin for a firearm

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208330A (en) * 1962-06-15 1965-09-28 Fastener Corp Fastener head with grooves to receive driving tool ribs
US3205757A (en) * 1963-02-11 1965-09-14 Edmund H Kuennen Thumb tack
US3897925A (en) * 1973-12-05 1975-08-05 Max Mayer Wall plug
US6406241B1 (en) 1999-12-23 2002-06-18 Moore Push-Pin Company Push-pin having a curved neck
US9151555B1 (en) * 2013-01-04 2015-10-06 George Huang Pin for a firearm

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