US3394852A - Wristwatch strap - Google Patents

Wristwatch strap Download PDF

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Publication number
US3394852A
US3394852A US608178A US60817867A US3394852A US 3394852 A US3394852 A US 3394852A US 608178 A US608178 A US 608178A US 60817867 A US60817867 A US 60817867A US 3394852 A US3394852 A US 3394852A
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US
United States
Prior art keywords
strap
wrist
watch
hook
case
Prior art date
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
Application number
US608178A
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English (en)
Inventor
Kehrer Edmond
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3394852A publication Critical patent/US3394852A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the object of the present invention is to provide a wristwatch strap the greater part of which is formed of a non-metallic material which is attached to the watch-case by hooking means.
  • non metallic wristwatch straps that is to say wrist-straps of leather, plastic material or other material, comprise two strands, each of which are fixed by one of its ends to the watch-case, whereas the other ends of the strands are connected one to the other 'by a loop or other type closing member.
  • This typical construction of a wristwatch strap presents various disadvantages, in particular the following:
  • the thickness of the wrist-strap is considerable at the point of superposition of the two strands of the strap or band forming the greater part of the wrist-strap.
  • This thickness is further increased by the nooses or sliding keepers guaranteeing the superposition of the two strands.
  • the loops or other closing devices of this type tend to mark and damage the strands of the wrist-straps in a. relatively short period of time.
  • the object of the present invention is to overcome the above-mentioned disadvantages.
  • the improvement provided by my invention is characterized by the fact that the non metallic strap is of one piece and is fixed in an adjustable manner in length to the hook means of the watch-case.
  • FIG. 1 is a view in elevation of said wrist-strap connected to a watch-case.
  • FIG. 2 is a plan view of one end of the wrist-strap and of the corresponding hook means, one element being removed for the sake of clarity.
  • FIG. 3 is a sectional view along line III-IH of FIG. 2, showing the wrist-strap in the assembling position.
  • FIG. 4 is a view similar to FIGURE 3, showing one end of the wrist-strap and hook means in assembled relationship.
  • the wristwatch strap is formed, to the greater extent, by a non metallic strap 1 comprising, for example, a strip of leather, plastic material, or another satisfactory material.
  • the strap 1 may be formed in a known manner of a composite band comprising a high resistance inner 3,394,852 Patented July 30, 1968 textile portion, covered by a leather sheath.
  • Said strap 1 is adapted to be fixed to the spindle-s 2 of a watch-case 3 by hook means indicated generally by the reference number 4.
  • said hook means 4 comprises a trough-shaped element 5, and a tongue 6 opposite the open portion of said element.
  • the element 5 and the tongue 6 are formed by means of a folded or reversely bent metal blank, so that said elements 5 and 6 form at their connecting a uniting edge 7, a hinge element which is adapted to receive an axle or pin 8 forming the connecting link of the hinge.
  • a book element 9 is hinged to the axle 8. The hook-shaped curved outer end portion 10 of said hook element 9 is adapted to be engaged on the corresponding spindle 2 of the watch-case 3.
  • the trough-shaped element 5 has edges 11 folded inwardly.
  • a locking plate 12 is adapted to be slipped under said folded edges 11 to force the tongue 6 and the claws 13 provided at the free end thereof, against the end 14 of the strap 1, once the latter is engaged in the trough-shaped element 5.
  • the plate 12 is shown withdrawn so as to show the position of the tongue 6.
  • the plate 12 has an opening 15 in which a pointed tool, such as a screwdriver, may be engaged to facilitate the sliding of said plate 12 into position.
  • the strap 1 may easily be adjusted in length in the trough-shaped element 5, since it is sufiicient to withdraw the plate 12 from its assembled position to permit the separation of the tongue '6 and the claws 13 from end 14 of the strap and thus place the end 14 in another position in relation to the element 5".
  • this wrist-strap construction permits stocking a wrist-strap of a single length, that is to say one of the largest normal size, which can be adapted to the varying sizes of the users wrists by merely cutting one end of the strap 1 and engaging the end 14 in the troughshaped element 5.
  • the re-engagement of the plate 12 beneath edges 11 ensures'the locking of the end 14 relative to the element 5 by engagement of the claws 13 transversely in said end 14.
  • one of the hook elements 9 may be tightened securely around one of the spindles 2 of the watch-case, while the other hook element 9 hinged at the other end of the strap 1 retains its illustrated shape of a hook 10 to permit the ready engagement of said book 10 on the axle 2, as well as its disengagement when the user wishes to remove his watch.
  • the wrist-watch strap shown in the drawing is of much simpler manufacture than that of usual wrist-straps, since the straps 1 can be cut from a band of great length or even from a continuous hand without difficulty.
  • the replacement of the strap 1 after the same is worn or soiled can be effected without loss of time, since it is sufficient to disengage the plates 12 from the elements 5 to withdraw the worn strap 1 and substitute a new strap 1 therefor.
  • a wristwatch strap for attachment to a watch case, said watch case including oppositely disposed spindle members, said strap comprising a one piece non metallic body, strap adjustment means secured to opposite ends of said body for adjusting the length thereof, means connecting said strap adjustment means to said watch case, said strap adjustment means comprising a trough-shaped member including inwardly folded edges, a tongue member disposed opposite the open portion of said trough member and joined thereto, said tongue member including claw elements directed toward the bottom of the trough and adapted to engage at a selected point an end portion of said strap body inserted in said trough to provide adjustment of the length of the strap, and a locking plate slidable beneath said inwardly folded edges and overlying said tongue to force the hooks of said tongue into engagement with the end portion of the strap body.

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  • Buckles (AREA)
  • Adornments (AREA)
US608178A 1966-02-15 1967-01-09 Wristwatch strap Expired - Lifetime US3394852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH218166A CH431167A (fr) 1966-02-15 1966-02-15 Bracelet de montre

Publications (1)

Publication Number Publication Date
US3394852A true US3394852A (en) 1968-07-30

Family

ID=4227775

Family Applications (1)

Application Number Title Priority Date Filing Date
US608178A Expired - Lifetime US3394852A (en) 1966-02-15 1967-01-09 Wristwatch strap

Country Status (3)

Country Link
US (1) US3394852A (fr)
CH (1) CH431167A (fr)
DE (1) DE1557615A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422353A1 (fr) * 1978-04-13 1979-11-09 Vendome Ets Fermoir de securite pour fixation souple et notamment bracelet-montre

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1692511A (en) * 1928-06-07 1928-11-20 Hickok Mfg Co Inc Strap connection
US1701339A (en) * 1928-06-26 1929-02-05 Gimex Company End hook
US1765966A (en) * 1927-04-25 1930-06-24 James W Clark Wrist-watch-strap fastener
US1866670A (en) * 1930-06-27 1932-07-12 Gemex Co Bracelet end connecter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765966A (en) * 1927-04-25 1930-06-24 James W Clark Wrist-watch-strap fastener
US1692511A (en) * 1928-06-07 1928-11-20 Hickok Mfg Co Inc Strap connection
US1701339A (en) * 1928-06-26 1929-02-05 Gimex Company End hook
US1866670A (en) * 1930-06-27 1932-07-12 Gemex Co Bracelet end connecter

Also Published As

Publication number Publication date
DE1557615A1 (de) 1970-04-02
CH431167A (fr) 1967-02-28

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