Safety seat belt buckle
First Claim
Patent Images
1. In a safety seat belt buckle, the improvement comprising:
- a housing, a clip-holding latching lever and a spring constituting a three element operative unit apart from the rest of the buckle,said housing having an open top, a base and first and second opposed side walls integral with said base, said side walls of said housing each having an opening, said opening having a forward edge and an upper edge,said clip-holding latching lever having a push button releasing portion and a transversely extending forward edge, said lever mounted for limited pivotal movement within said housing,said spring being mounted between said lever and said base of said housing, said lever when depressed compressing said spring, said spring engaging said lever and said housing, said spring and said housing providing the sole support for said lever,said lever having a pair of outwardly extending ears integral therewith, said ears extending into said side wall openings of said housing, said ears having a forward edge and an upper surface,said forward edge of said ears bearing against said forward edge of said side wall openings to provide resistance against forward movement of said lever in said housing when a clip is engaged by said lever,the upward position of said forward edge of said lever being limited by said upper edge of said side wall openings of said housing,the forward portion of said housing having members extending inwardly from said side walls, said members, said side walls and said lever serving to receive and guide the mating clip,said housing having a front portion extending up from said base and integral therewith, said forward edge of said lever being closely spaced from said front portion of said housing, said spacing between said lever and said front portion of said housing having a relationship to the elasticity of said lever and housing such that under pre-determined load conditions, said forward edge of said lever engages said front portion of said housing.
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Abstract
A self-sufficient three-piece structure constituting an open top metal housing within which there is mounted a pushbutton lever and a V-shaped leaf-type spring between lever and base of housing. A single plastic insert providing a crush resistent wall between base of housing and plastic cover also holds an electrical switching arrangement. The electrical switching arrangement includes a rotatable shaft and a radially outward extending finger which is actuated by insertion of the mating clip.
25 Citations
6 Claims
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1. In a safety seat belt buckle, the improvement comprising:
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a housing, a clip-holding latching lever and a spring constituting a three element operative unit apart from the rest of the buckle, said housing having an open top, a base and first and second opposed side walls integral with said base, said side walls of said housing each having an opening, said opening having a forward edge and an upper edge, said clip-holding latching lever having a push button releasing portion and a transversely extending forward edge, said lever mounted for limited pivotal movement within said housing, said spring being mounted between said lever and said base of said housing, said lever when depressed compressing said spring, said spring engaging said lever and said housing, said spring and said housing providing the sole support for said lever, said lever having a pair of outwardly extending ears integral therewith, said ears extending into said side wall openings of said housing, said ears having a forward edge and an upper surface, said forward edge of said ears bearing against said forward edge of said side wall openings to provide resistance against forward movement of said lever in said housing when a clip is engaged by said lever, the upward position of said forward edge of said lever being limited by said upper edge of said side wall openings of said housing, the forward portion of said housing having members extending inwardly from said side walls, said members, said side walls and said lever serving to receive and guide the mating clip, said housing having a front portion extending up from said base and integral therewith, said forward edge of said lever being closely spaced from said front portion of said housing, said spacing between said lever and said front portion of said housing having a relationship to the elasticity of said lever and housing such that under pre-determined load conditions, said forward edge of said lever engages said front portion of said housing. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification