Two-sided grab bucket with plural operating cylinders

Details Two-sided grab bucket with plural operating cylinders Two-sided grab bucket with plural operating cylinders

1985-09-09

1987-09-22

Crowder, Clifford D.

Handling: hand and hoist-line implements

Hoistable receptacle

With discharge or loading means

294 88, 37186, 92111, 92151, B66C 302

Patent

active

046950869

ABSTRACT:
A two-sided grab bucket comprises a U-shaped scoop carrier and two scoops, which are provided with crosspieces, which are welded to the inside surfaces of the upper edge portions of the side walls of the scoops and are pivoted to the legs of the scoop carrier on two spaced apart parallel axes, actuating levers, which are welded to the crosspieces, and a transversely extending hydraulic piston-cylinder unit, which is pivoted to and connects the free ends of said levers. The hydraulic piston-cylinder unit comprises two cylinders, each of which is pivoted to the actuating lever or levers associated with a crosspiece, and the pistons associated with said cylinders are interconnected by a common piston rod.

REFERENCES:
patent: 295159 (1884-03-01), Fitts et al.
patent: 3413029 (1968-11-01), Donovan
patent: 4080870 (1978-03-01), Lusby
patent: 4405167 (1983-09-01), Kinshofer

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