| 摘要 |
A fastening system to press together 2 work pieces. These are plates with a circular aperture on each plate. The first work piece is engaged to the second work piece through a biased engagement. The receptacle assembly consists of a housing and its mechanical contents attached to the first work piece. The bolt assembly consists of a cylindrical bolt with a head and a shank attached and captured thru a retaining bracket to the second work piece and is moveable with respect to the receptacle assembly between the extended and retracted position. Two or more disc springs inside the housing bias the fastener toward the locked position with a biasing force. The bolt fastener has 2 opposing spiral cam slots machined on its shank and when introduced into the pin ring, inside the housing, will engage 2 radial placed cross-pins in its cam slots. Said cross-pins are seated in the pin ring. When the bolt fastener is rotated from the extended position to the retracted position it will lift the cross-pins and with it the pin ring against the disc springs and compressing them so as to provide a biasing force to press the first work piece in engagement with the second work piece.
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