Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Separate head element
Patent
1987-08-17
1989-06-20
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Separate head element
411275, 411393, 411384, 403320, F16B 2300, F16B 3500
Patent
active
048405299
ABSTRACT:
A safety lock for adjustment locking structures in which a set screw is passed longitudinally through a jam screw element at a position off-center from the axis and parallel to the axis of the jam screw and locking the jam screw against the end of the coaxially adjacent element in the adjustment stack.
REFERENCES:
patent: 1850917 (1932-03-01), Browne
patent: 3176745 (1965-04-01), Nyborg
patent: 4536115 (1985-08-01), Helderman
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