Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Patent
1982-11-04
1988-09-13
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed fastener element with securing means and biasing spring
411549, 24596, 24594, 24590, 16 86A, 2483451, F16B 2100
Patent
active
047705868
ABSTRACT:
A bumper assembly is provided employing a fastener device which is received in a slotted opening formed in a sheet or plate. The fastener device is constructed such that an elongated flange is inserted through the slotted opening, and the fastener may be rotated through one quarter turn at which point it reaches a stop position and is locked in position. Upon reversal of rotation of the fastener through one quarter turn the rotation reaches a stop position at which point the fastener is easily removed from the slotted opening.
REFERENCES:
patent: 3123389 (1964-03-01), Biesecker
Brueske Curtis B.
Emhart Industries Inc.
Smith Gary L.
Szatkowski Thomas S.
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