Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Patent
1982-04-09
1984-01-17
Swiatek, Robert P.
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
A44B 1126
Patent
active
044256892
ABSTRACT:
A fastener for a piece of apparel, e.g. a nursing bra, comprises a male and a female portion of resilient plastic material, the female portion being partly shaped as a substantially rectangular frame forming a guide channel for the introduction of a flat shank of the male portion which is integral with a tongue whose free end faces away from the leading end of the shank and forms a stepped transverse edge engageable with a shoulder of a cross-member of the frame in a locking position. A tab integral with the female portion occupies the frame opening on one side of the guide channel and has a free edge overlying the free end of the inserted tongue which is substantially narrower than the tab and can be released from its locking position by finger pressure upon that tab. An asymmetrical hump on the leading end of the shank prevents locking by coming to lie against an internal projection of the frame when the shank is introduced into the channel in an inverted position. The female portion may also be provided with an elastically deformable element tending to eject the inserted shank from the channel upon the disengagement of the tongue from the cross-member of the frame.
REFERENCES:
patent: 4035877 (1977-07-01), Brownson et al.
patent: 4093271 (1978-06-01), Weigl et al.
patent: 4195392 (1980-04-01), Ueda et al.
Ross Karl F.
Swiatek Robert P.
Tarnoff David I.
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