Stiffleg construction for power shovels

Details Stiffleg construction for power shovels Stiffleg construction for power shovels

1981-08-31

1983-06-21

Love, John J.

Material or article handling

Vertically swinging load support

Shovel or fork type

212144, B66C 2300, E02

Patent

active

043891527

ABSTRACT:
A stiffleg for a power shovel generally consisting of a pair of transversely spaced, longitudinally disposed side beams each having an I-shaped cross-sectional configuration including upper and lower flange portions and an interconnecting web portion, a cross-piece section interconnecting said side beam sections and a web section interconnecting the web portions of said side beam sections, apparatus for operatively connecting one end thereof to a support unit and apparatus for operatively connecting a dipper handle thereto.

REFERENCES:
patent: 1739952 (1929-12-01), Downie
patent: 3501034 (1970-03-01), Baron
patent: 3527362 (1970-09-01), Allen
patent: 3648863 (1972-03-01), Baron et al.
patent: 3722864 (1973-03-01), Borer et al.
patent: 4134507 (1979-01-01), Piercy et al.

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