Snubbing apparatus for grapples and the like

Details Snubbing apparatus for grapples and the like Snubbing apparatus for grapples and the like

1984-07-19

1986-03-04

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Swing dampener

188 711, 188 83, 188366, B66C 100, F16F 704

Patent

active

045737282

ABSTRACT:
A snubbing device for a suspended grapple or the like operable by pressurized fluid in a cavity between a pin and housing of a universal joint which actuates a ramp to cause a retarding reaction between the pin and housing to prevent free swinging of the grapple.

REFERENCES:
patent: 3301587 (1967-01-01), Heikkinen
patent: 3493135 (1970-02-01), Novotny
patent: 3895694 (1975-07-01), Muntjanoff
patent: 3937302 (1976-02-01), Palmcrantz
patent: 4417759 (1983-11-01), Pierrot et al.

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