Carrier frame for a quick coupler

Details Carrier frame for a quick coupler Carrier frame for a quick coupler

1989-10-31

1991-01-15

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

403 2, E02F 300

Patent

active

049849581

ABSTRACT:
A quick attachment holder for connecting an attachment to the boom arms of a loader includes right-hand and left-hand end portions connected by a semi-rigid cross tube, without additional structural cross members. A pin connection of the holder end portions to the tube causes the left- and right-hand end portions to generally move together while permitting several degrees of relative rotational movement between end portions to aid in the reconnection of the attachment even when there is slight misalignment between the holder and the attachment. The cross tube is located on the pivot center of the holder so that only torque loads are applied to the tube. The pin connection will shear if the tube is accidentally over-torqued, and individual components of the holder are replaceable.

REFERENCES:
patent: 1744536 (1930-01-01), Faverty
patent: 3503455 (1970-03-01), Derman
patent: 4135584 (1979-01-01), Smith et al.
patent: 4243356 (1981-01-01), Takojima
patent: 4253793 (1981-03-01), Braml
patent: 4274493 (1981-06-01), Freese
patent: 4436477 (1984-03-01), Lenertz et al.
patent: 4761113 (1988-08-01), Smith et al.
patent: 4812103 (1989-03-01), Cochran et al.
Deere 240 and 245 Farm Loaders Operator's Manual; OM-W28596 Issue B3; cover and p. 39.

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