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Strap fastener

  • US 4,712,280 A
  • Filed: 04/22/1986
  • Issued: 12/15/1987
  • Est. Priority Date: 04/26/1985
  • Status: Expired due to Fees
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First Claim
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1. A separable connector for two strap ends, comprising:

  • a socket member constituted as a flat body formed with an insertion opening at one side thereof subdivided into a central opening and a pair of lateral openings flanking said central opening, a central passage extending linearly into said body from said central opening, and respective lateral passages each extending into said body from a respective one of said lateral openings and terminating in respective locking slits provided at opposite edges of said body; and

    a plug member constituted with a flat body formed with a central guide tongue insertable through said central opening and guided into said central passage, and a pair of outer tongues flanking said central tongue and elastically deflectable inwardly toward said central tongue and insertable in said lateral openings and slidable in said lateral passages, said outer tongues having end formations engageable in said slits for impeding withdrawal of said plug member from said socket member, and wherein;

    said central guide tongue has a generally V shape in a projection in a plane parallel to said members truncated at a free end of said central guide tongue and is formed with a shank having parallel edges at an opposite end of said central guide tongue connected to said body of said plug member, said parallel edges defining therebetween a maximum width of said tongue,said lateral tongues each have shanks which extend generally parallel to said shank of said central guide tongue and terminate in end portions engageable with said parallel edges, said central tongue tapering in thickness from a region of said end portions to said free end,said central passage is separated from each of said lateral passages by respective pairs of guide ribs formed on said body of said socket member and engageable with said plug member the guide ribs of each pair projecting toward one another from opposite ends of the socket member,said pairs of guide ribs are spaced apart by a distance substantially corresponding to the spacing of said parallel edges from one another and at least equal to half of a width of the insertion opening of said socket member,said body of said socket member is formed with a bar at a side thereof remote from the other body when the bodies are engaged with one another and defining therein a slot accommodating a respective strap end, andsaid body of said plug member is provided with a window bordered by a movable bar and a fixed bar and forming a clamp element for another strap end received between the bars of said window.

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