Double hook logging chain assembly

Details Double hook logging chain assembly Double hook logging chain assembly

1988-05-05

1989-09-12

Pedder, Dennis H.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

242305AD, B66C 136

Patent

active

048653748

ABSTRACT:
A double chain hook assembly includes a first hook and a second hook, each having a bill and throat portion and a common shank, which is bifurcated at its upper end. The bifurcation produces two projecting legs, having a bight at one end and a throat at the other. Each of the legs has a bore near the top in registry with the bore in the other leg. A closure includes a bolt, slidably fastened in the two bores, so as to selectively close the throats of both hooks or of either hook, as desired. A biased ball latch selectively positions the bolt.

REFERENCES:
patent: 769333 (1904-09-01), Aubrey
patent: 1523765 (1925-01-01), Gilchrist
patent: 1744538 (1930-01-01), Frazier
patent: 1758744 (1930-05-01), Haubert
patent: 2244572 (1941-06-01), Rawlins
patent: 3002780 (1961-10-01), Eggeman
patent: 3233933 (1966-02-01), Coski
patent: 3601978 (1971-08-01), Rieger et al.
patent: 3747971 (1973-07-01), Yake
patent: 4149369 (1979-04-01), Smetz
patent: 4257638 (1981-03-01), Koval

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