Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners
Patent
1977-07-18
1978-10-31
Gelak, Bernard A.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
With tighteners
24241PP, A44B 1302
Patent
active
041225856
ABSTRACT:
The invention is a single-action double-lock snap, a snap hook having a lock arm. The hook includes a shank with a hook at one end of the shank. The other end of the snap is connected to a cable or a lanyard and in use, the hook is connected to an anchor eye or the like. To avoid accidental disengagement of the hook from the anchor eye, a lock arm, or gate, is pivoted on the shank of the hook to reach across the throat of the hook to engage the point of the hook. This lock arm will thus normally lock the hook upon an anchor eye. However, the possibility exists that the hook can be accidentally opened to release the hook from the anchor eye whenever the snap is swung about while connected to the anchor eye. A detent is pivotally mounted upon the shank to bear against a seat on the lock arm whenever the lock arm is extended to close the throat of the hook. When the detent is so seated, the lock arm cannot be opened. The detent may be swung to an out-of-the-way position against the hook shank to free the lock arm and permit it to open. A spring interconnects the detent with the lock arm in such a manner as to pull the detent to its seat to secure the lock arm in its locking position. A wing on the detent, arranged for easy pushing by an operator's thumb or finger, permits the detent to be manually pushed away from its seat against the pull of the spring while at the same time, the spring pulls the lock arm to its open position against the shank.
REFERENCES:
patent: 1521811 (1925-01-01), Hartbauer
patent: 1879168 (1932-09-01), Freysinger
patent: 1949608 (1934-03-01), Johnson
patent: 3126603 (1964-03-01), Cedarstaff
Ross Frank R.
Sharp Jonathan E.
Gelak Bernard A.
Lowe Frank C.
Van Valkenburgh Horace B.
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