Self-releasing choker

Details Self-releasing choker Self-releasing choker

1981-01-09

1982-11-09

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hoist-line slings

Latch release

294 78R, 294 83R, 294110R, 294116, B66C 138

Patent

active

043581447

ABSTRACT:
A self-releasing choker has ferrule holding jaws in a casing movable between a ferrule accepting station, a load carrying station, and a ferrule releasing station located intermediate the other two stations. Locking means holds the jaws closed while in the load carrying station and releasing means permits the jaws to open only while they are moving past the ferrule releasing station in the direction of the ferrule accepting station. Dampening means provides a time delay to keep the jaws from moving all of the way to the ferrule releasing station when the load is only momentarily taken off the ferrule.

REFERENCES:
patent: 2732245 (1956-01-01), Lemoigne
patent: 2964347 (1960-12-01), Mitchell
patent: 3081122 (1963-03-01), Jungersen
patent: 3104909 (1963-09-01), Walker
patent: 3163401 (1964-12-01), Johnston et al.

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