US856913A - Snap-hook for watch-chains. - Google Patents

Snap-hook for watch-chains. Download PDF

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Publication number
US856913A
US856913A US19734904A US1904197349A US856913A US 856913 A US856913 A US 856913A US 19734904 A US19734904 A US 19734904A US 1904197349 A US1904197349 A US 1904197349A US 856913 A US856913 A US 856913A
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United States
Prior art keywords
hook
shank
snap
watch
chains
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
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US19734904A
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Edwin L Robinson
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Individual
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Priority to US19734904A priority Critical patent/US856913A/en
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A44C5/145—Hooks
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00—Hooks; Eyes
    • F16B45/02—Hooks with pivoting or elastically bending closing member
    • F16B45/036—Hooks with pivoting or elastically bending closing member with an elastically bending closing member
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/905—Watch chain fastener, e.g. swivel hook
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45272—Projection passes through cavity then moves toward noninserted portion of its member to complete interlock [e.g., snap hook]
    • Y10T24/45288—Hook type projection member
    • Y10T24/45304—Noninserted portion of projection member includes movably connected gate for closing access throat
    • Y10T24/45408—Resilient, self-biased gate

Definitions

  • Figure 1. represents a side view of a snap hook for watch chains embodying my invention.
  • Fig. 2 represents a longitudinal section of the same.
  • Fig. 3 represents an axial section of the hollow head.
  • Fig. 4 re resents the preferred form of the wire blank from which the hook and the ton ue are made.
  • Fig. 5 shows the same when the ends are folded together for insertion into the cavity of the head.
  • Fig. 6 shows a modification in the form of the hook.
  • Fig. 7 represents an enlarged section taken in the line 7 7, of Fig. 4.
  • a represents the hollow ornamental head, provided with a large and a small end, and to the small end is soldered the ring I).
  • Thehook c and the tongue (Z may be formed from a blank e, of half round wire, swaged at the portions f f, to the requisite thickness for securing the required s )ring action in the shank j of the hook c, and also of the tongue d, the semi-cylindrical end portions 9 g of the said blank which are thicker than the spring portion being pro vided with the transverse peripheral groove h.
  • the blank 6 when bent up, as shown in Fi 5 is to be inserted into the cavity of the head a, at its larger end, so that the swaged portions f f, will be covered in the hollow of the head, and then the wall of the said head at its smaller clasping end is to be pressed into the peripheral groove 71, as shown in Fig. 2, and thereafter the out i is to-be made, which serves to separate the portion 0, which forms the hook, from the portion (Z, which forms the tongue.
  • Figs. 2 and 5 The preferred form of construction is shownin Figs. 2 and 5, in which both the hook c, and the tongue d are provided with a spring shank f, but the hook 0 may be made without the spring shank as shown in Fig. 6, in carrying out my invention.
  • hook and tongue may be formed in separate pieces, and then placed. together within the cavity of the head and secured therein as shown in Fig. 2.
  • a snap hook for watch chains, the combination of the hook swaged at the side of its shank to form a spring, and having an end portion thicker than the spring part, and the separate tongue swaged at the side of its shank to form a spring, and also having an end portion thicker than the spring part, with a hollow ornamental head, provided with a small end which serves to clasp the thick end portions of the shanks of the hook and tongue -firmly together, the said shanks being inclosed in the hollow of the head.
  • a snap hook for watch chains, the combination of the hook, and a separate tongue swaged at the side of its shank to form a spring, and having an end portion thicker than the spring part, with a hollow ornamental head, provided with a small end which serves to clasp the end portion of the shank of the tongue firmly to the end portion of the shank of the hook, the said shanks being inclosed in the hollow of the head.

Description

PATENTED JUNE 11, 1907.
E. L. ROBINSON. SNAP HOOK FOR WATCH CHAINS.
APPLIOATIOH FILED HA3. 9, 1904.
4 FIEE- INVENTUH K fhf FIBEL A-rTY.
EDWIN L. ROBINSON, OF NORTH ATTLEBORO, MASSACHUSETTS.
SNAP-HOOK FOR WATCH-CHAINS- Specification of Letters Patent.
Patented June 11, 1907.
Application filed March 9,1904- Serial No. 197,349.
To all whom it may concern.-
Be it known that I, EDWIN L. ROBINSON,
a citizen of the United States, residing at North Attleboro, in the county of Bristol and State of Massachusetts, have invented a new and useful Improvement in Snap-Hooks for Watch-Chains, of which the following is a specification. The nature of my invention consists in the improved construction of the spring-means, for closing the opening of the hook, as hereinafter set forth.
In the accompanying drawings :Figure 1. represents a side view of a snap hook for watch chains embodying my invention. Fig. 2 represents a longitudinal section of the same. Fig. 3 represents an axial section of the hollow head. Fig. 4 re resents the preferred form of the wire blank from which the hook and the ton ue are made. Fig. 5 shows the same when the ends are folded together for insertion into the cavity of the head. Fig. 6 shows a modification in the form of the hook. Fig. 7 represents an enlarged section taken in the line 7 7, of Fig. 4.
In the drawing, a represents the hollow ornamental head, provided with a large and a small end, and to the small end is soldered the ring I). Thehook c and the tongue (Z may be formed from a blank e, of half round wire, swaged at the portions f f, to the requisite thickness for securing the required s )ring action in the shank j of the hook c, and also of the tongue d, the semi-cylindrical end portions 9 g of the said blank which are thicker than the spring portion being pro vided with the transverse peripheral groove h.
In putting the parts together, the blank 6 when bent up, as shown in Fi 5, is to be inserted into the cavity of the head a, at its larger end, so that the swaged portions f f, will be covered in the hollow of the head, and then the wall of the said head at its smaller clasping end is to be pressed into the peripheral groove 71, as shown in Fig. 2, and thereafter the out i is to-be made, which serves to separate the portion 0, which forms the hook, from the portion (Z, which forms the tongue.
The preferred form of construction is shownin Figs. 2 and 5, in which both the hook c, and the tongue d are provided with a spring shank f, but the hook 0 may be made without the spring shank as shown in Fig. 6, in carrying out my invention.
Instead of forming up the hook and tongue from a blank in one piece of stock, they may be formed in separate pieces, and then placed. together within the cavity of the head and secured therein as shown in Fig. 2.
I claim as my invention:
1. In a snap hook for watch chains, the combination of the hook swaged at the side of its shank to form a spring, and having an end portion thicker than the spring part, and the separate tongue swaged at the side of its shank to form a spring, and also having an end portion thicker than the spring part, with a hollow ornamental head, provided with a small end which serves to clasp the thick end portions of the shanks of the hook and tongue -firmly together, the said shanks being inclosed in the hollow of the head.
2. In a snap hook for watch chains, the combination of the hook, and a separate tongue swaged at the side of its shank to form a spring, and having an end portion thicker than the spring part, with a hollow ornamental head, provided with a small end which serves to clasp the end portion of the shank of the tongue firmly to the end portion of the shank of the hook, the said shanks being inclosed in the hollow of the head.
3. In a snap hook for watch chains, the combination of the hook provided with a transverse groove at the end of its shank, and a separate tongue swaged at the side of its shank to form a spring, and having an end portion thicker than the spring part, and provided with a transverse groove, with a hollow ornamental head, provided with a small end which serves to clasp the thick end portion of the shank of the tongue firmly to the end portion 01 the shank of the hook, and having the (:lasping end of the ornamental head swaged into the transverse grooves of the hook and tongue, the said shank of the 1tlongue being inclosed in the hollow of the eau.
EDWIN IJ. ROBINSON.
Witnesses:
SooRA'rEs SCI-IOLFIELD, GEORGE D. GooDsPnnn.
US19734904A 1904-03-09 1904-03-09 Snap-hook for watch-chains. Expired - Lifetime US856913A (en)

Priority Applications (1)

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US19734904A US856913A (en) 1904-03-09 1904-03-09 Snap-hook for watch-chains.

Applications Claiming Priority (1)

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US19734904A US856913A (en) 1904-03-09 1904-03-09 Snap-hook for watch-chains.

Publications (1)

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US856913A true US856913A (en) 1907-06-11

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