Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Resiliently flexible
Patent
1981-10-05
1983-12-13
Schmidt, Frederick R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Resiliently flexible
81471, 411395, 411418, F16B 3502
Patent
active
044202814
ABSTRACT:
The present invention relates to a threaded member incorporating structural features which prevents more than a required amount of torque or rotational force to be applied thereto. More particularly, the shaft of the threaded member is hollow and slotted so that it buckles or collapses inwardly when the member bottoms out.
REFERENCES:
patent: 1163897 (1915-12-01), Dodds
patent: 2292195 (1942-08-01), Brown
AMP Incorporated
Meislin Debra S.
Osborne Allan B.
Schmidt Frederick R.
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