Snubber device for parallelogram grapple

Details Snubber device for parallelogram grapple Snubber device for parallelogram grapple

1986-07-21

1987-10-06

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Swing dampener

267153, 267279, B66C 100, F16F 116

Patent

active

046978402

ABSTRACT:
The device of the present invention provides a mechanism which arranges a set of elastomeric blocks, one adjacent the other, in separate housings, so as to limit rotation between an input and an output of the housings and in which a surface of a bushing arrangement cooperates with the device so as to limit rotation of a shaft and housing arrangement of the bushing. The structural arrangement limits radial loading and, improves wear life of the elastomeric block.

REFERENCES:
patent: 1541276 (1925-06-01), Powell
patent: 3301587 (1967-01-01), Heikkinen
patent: 3545737 (1970-12-01), Lamprey et al.
patent: 3560040 (1971-02-01), Funk
"Rubber-A New Material in Machine Design", published by Lord Mfg. Co., date stamped 3-29-33.

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