Lifting hook with cam lock gate

Details Lifting hook with cam lock gate Lifting hook with cam lock gate

1980-04-10

1981-12-15

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

With tighteners

24241PS, 24241SB, 294 82R, 294 83AB, A44B 1302, B66C 134

Patent

active

043051812

ABSTRACT:
A lifting hook with a safety gate journaled about the shank thereof, which safety gate is locked against rotation about the shank by a cam member mounted for pivotal movement on the safety gate and spring loaded to abut a flat formed on the shaft when the safety gate is in its closed position. The cam member is adapted to be manually pivoted out of abutment with the flat on the shaft to enable the safety gate to be opened and a preferred embodiment is described in detail in which the cam member is pivoted in the opposite direction to release the safety gate from the direction in which the safety gate is rotated to open the hook, the cam member being protected by the structure of the safety gate from accidental pivoting to release the safety gate.

REFERENCES:
patent: 2196460 (1940-04-01), Hertel
patent: 2791817 (1957-05-01), Burnham
patent: 3003214 (1961-10-01), Geraghty
patent: 3121274 (1964-02-01), Evans
patent: 3121276 (1964-02-01), Evans
patent: 3187395 (1965-06-01), Gaylord
patent: 3430307 (1969-03-01), Burnham
patent: 3480319 (1969-11-01), Raschke
patent: 3568269 (1971-03-01), Moretti
patent: 3611515 (1971-10-01), Raschke
patent: 3674301 (1972-07-01), Crook, Jr.

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