Loader boom mechanism

Details Loader boom mechanism Loader boom mechanism

1986-10-23

1988-09-06

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414701, 414708, 414713, B66C 2300, B66F 900

Patent

active

047689170

ABSTRACT:
A boom mechanism including a linkage which interconnects the frame of a loader with the boom arm and the loader bucket. The linkage includes a cross-shaped member having arms extending forwardly, rearwardly and laterally. The rearward arm is pivotally connected to a hydraulic cylinder which is pivotally connected to the frame. The forward arm is pivotally connected to the bucket. The two lateral arms are pivotally connected to a pair of push rods which are pivotally connected to the sides of the boom arm.

REFERENCES:
patent: 2590454 (1952-03-01), Pilch
patent: 2753059 (1956-07-01), Pilch
patent: 2807379 (1957-09-01), Pilch
patent: 2817448 (1957-12-01), Pilch
patent: 3411647 (1968-11-01), Zimmerman
patent: 3648871 (1972-03-01), Layton
patent: 3658202 (1972-04-01), Peterson
patent: 4156488 (1979-05-01), Stark
patent: 4163498 (1979-08-01), Grooss et al.
patent: 4239444 (1980-12-01), Schmelzer
patent: 4431364 (1984-02-01), Redenbarger et al.
Terex 72-11 Loader Brochure dated Jun. 1971.

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