Safety hook

Details Safety hook Safety hook

1976-07-06

1977-12-13

Gilliam, Paul R.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

With tighteners

A44B 1300

Patent

active

040620921

ABSTRACT:
A safety hook is provided with a spring loaded closure segment normally closing the mouth of the hook. A pin carried by the segment is normally engaged by a spring loaded crank latch. The crank latch prevents the pin and segment from rotating to open the hook mouth until the crank latch is first rotatably released under the influence of a force acting to rotate the latch in a direction opposite to the direction of rotation which would occur under the influence of the force which would be transmitted from the segment to the latch in opening.

REFERENCES:
patent: 705526 (1902-07-01), Gray
patent: 1879168 (1932-09-01), Freysinger
patent: 1949608 (1934-03-01), Johnson
patent: 1964428 (1934-06-01), Duffy
patent: 3317972 (1967-05-01), Harley

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