Wear-compensating universal quick coupling device for heavy equi

Details Wear-compensating universal quick coupling device for heavy equi Wear-compensating universal quick coupling device for heavy equi

1998-03-18

2000-09-26

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

37468, E02F 328

Patent

active

061235016

ABSTRACT:
A first coupler component (12) is pivotally attached to a boom (14) for rotation about a first pivot axis (20) and is also pivotally attached to an actuation linkage (24) for pivotal movement about a second axis (22). A trunnion (26) surrounds and is concentric with the first pivot axis (20). A second coupler component (16) includes a notch (32) of a size and shape to engage the trunnion (26). The second coupler component (16) also includes an end portion (52) that is located above and is spaced from an end portion (54) on the first coupler component (12). A lock member (50) is received within a space between the end portions (52, 54). The lock member (50) is forceable into the space for spreading the end portions (52, 54) apart and forcing divergent side edges (34, 36) of the notch (32) into tight engagement with the trunnion (22). The second coupler component (16) is connected to a bucket (18) or other implement.

REFERENCES:
patent: 3556323 (1971-01-01), Heimmermann
patent: 3818551 (1974-06-01), Coughran, Jr.
patent: 4214840 (1980-07-01), Beales
patent: 4881867 (1989-11-01), Essex et al.
patent: 4955779 (1990-09-01), Knackstedt
patent: 4986722 (1991-01-01), Kaczmarczyk et al.
patent: 5024010 (1991-06-01), Hulden
patent: 5082389 (1992-01-01), Balemi
patent: 5597283 (1997-01-01), Jones

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