Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Load releasing means
Patent
1987-04-13
1987-12-22
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Load releasing means
24241PP, 294 8227, 114252, B66C 136
Patent
active
047142880
ABSTRACT:
A device with which a tow line may be attached to a towed object, e.g., a submarine vessel, and then detached remotely includes a body member, a trip member, a latch and a keeper member. The body member has a pivot portion and an integral tow portion. The pivot portion includes a first arcuate section integral with the tow portion, a second arcuate section hinged to the first arcuate section and fastener means to forceably close the second section upon the first section forming a circular opening in the the pivot portion, which opening serves as the means for connection of the device to the towed object. The tow portion is J-shaped while the trip member is C-shaped and is pivoted on the tow portion to swing between a latched position and a release position. The latch includes a hook member pivoted on the tow portion and a ledge on the trip member is positioned so that the hook member can engage the ledge to retain it in the latched position. A piston which can be operated from a remote location moves the hook member into and out of engagement with the ledge. The keeper is pivoted on the trip member to swing from a tow line admission position to a tow line retention position and spring means biases the keeper member into the retention position.
REFERENCES:
patent: 2429769 (1947-10-01), Petouhoff
patent: 3259418 (1966-07-01), Munday et al.
patent: 3763815 (1973-10-01), Hodate
patent: 4034992 (1977-07-01), Epstein
patent: 4061103 (1977-12-01), Mampaey
patent: 4201410 (1980-05-01), Crawford et al.
patent: 4611842 (1986-09-01), Epstein
Cherry Johnny D.
Harbor Branch Oceanographic Institution Inc.
Palmer Carroll F.
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