Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Head driving structure
Patent
1992-07-07
1994-08-16
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Head driving structure
411368, 411407, 411910, 811762, 81 63, 384545, F16B 2300, F16B 3506, F16C 1300
Patent
active
053381424
ABSTRACT:
A quick release mechanism for securing a part to the frame of a bicycle. The mechanism includes an axially elongated skewer element adapted to be mounted to the frame. A fastening element is rotatably mounted on the skewer element for securing the part to the frame upon relative rotation of the skewer and fastening elements in a first direction and for releasing the part upon relative rotation of the skewer and fastening elements in a second direction. Ratchet means is attached to one of the elements for turning that element to selectively effect relative rotation of the two elements in the first and second directions. Hardened lock washers are embedded in the confronting faces of the fastening element and a washer mounted on the skewer.
REFERENCES:
patent: 1298397 (1919-03-01), Purple
patent: 1609645 (1926-12-01), Dewire
patent: 2536172 (1951-01-01), Halperin
patent: 3922018 (1975-11-01), Shook
patent: 4384812 (1983-05-01), Miyasawa
patent: 4459074 (1984-07-01), Capwano
patent: 5123310 (1992-06-01), McManus
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