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Buckle for a safety belt

  • US 4,622,727 A
  • Filed: 08/24/1984
  • Issued: 11/18/1986
  • Est. Priority Date: 08/31/1983
  • Status: Expired due to Term
First Claim
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1. In a buckle fastener for a safety belt comprising a housing having a guiding channel for guiding a tongue into and from said housing, a latching member movable transversely to said insertion channel for selective engagement and disengagement with a recess formed in the tongue, a leaf spring member biasing said latching member into engagement with the recess in the tongue, and a pressure key slidably guided in said housing in a direction parallel to said guiding channel, said pressure key being provided with ramp means engaging said latching member for pushing said latching member out of engagement with the recess in the tongue when said pressure key is depressed, the improvement wherein said leaf spring has one end secured to said pressure key and its opposed free end bearing on said latching member, said leaf spring moving simultaneously with said pressure key when it is depressed, an abutment member connected with said housing and having an edge extending transversely relative to said leaf spring and being positioned in such a manner in relation to said leaf spring that, upon partial depression of said pressure key, an intermediate portion of said leaf spring abuts against said edge and upon further depression of said pressure key said free end of said leaf spring is lifted off said latching member.

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