Hydraulic working machine having a projecting portion

Details Hydraulic working machine having a projecting portion Hydraulic working machine having a projecting portion

1996-05-14

1998-01-27

Melius, Terry Lee

Excavating

Combined or convertible

With scraper

37443, 37379, 180327, 180329, E02F 396

Patent

active

057110956

ABSTRACT:
A hydraulic excavator includes a revolving upper structure having a rear half swingable within the width of the machine. The revolving upper structure has a front portion on which a cab is disposed. An internal combustion engine is mounted in the rear of the cab. Various components including a direction control valve, a hydraulic oil tank, and a fuel tank are mounted alongside the cab. The revolving upper structure has a front end portion supporting thereon a bracket, and a boom pivotally mounted on the bracket for undertaking a swing motion within an angular range of an angle less than 180.degree.. The swing angle is so set as to extend over a greater extent on one side located close to the cab than on the other side remote from the cab. The revolving upper structure further includes a projecting portion swelling out into an area kept out of the swing range of the boom. With the projecting portion thus provided, an internal space of the revolving upper structure available for mounting various components can be enlarged.

REFERENCES:
patent: 4102461 (1978-07-01), Soyland
patent: 4444542 (1984-04-01), Shaw et al.
patent: 4541161 (1985-09-01), Shimoie
patent: 4771855 (1988-09-01), Takashima et al.
patent: 5007882 (1991-04-01), Mizumoto et al.
patent: 5195863 (1993-03-01), De Pingon
patent: 5367796 (1994-11-01), Bowers et al.
patent: 5596824 (1997-01-01), Scott et al.
Patent Abstracts of Japan, vol. 95, No. 001, JP-A-07 018701, Jan. 20, 1995.
Patent Abstracts of Japan, vol. 95, No. 005, JP-A-07 0127100, May 16, 1995.

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