Loader boom construction

Details Loader boom construction Loader boom construction

1987-09-11

1989-01-17

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414697, E02F 336

Patent

active

047985127

ABSTRACT:
An articulated four-wheel drive loader has a forward vertically swingable boom that is controlled by a pair of hydraulic cylinders acting between the main frame of the loader and a pair of parallel, transversely spaced boom arms that are interconnected by a transverse tube. A pair of tabs are respectively welded to the tube a short distance from the opposite ends of the tube, and the piston ends of the cylinders are respectively connected to the boom arms by a transverse pin extending through aligned bores in the tabs, eye members attached to the ends of the hydraulic cylinder piston rods, and the boom arms.

REFERENCES:
patent: D167758 (1952-09-01), Michaels et al.
patent: D204246 (1966-04-01), Shumaker
patent: D214833 (1969-08-01), Glommen
patent: 4156488 (1979-05-01), Stark
patent: 4439089 (1984-03-01), Anderson et al.

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