Hydraulic working machine

Details Hydraulic working machine Hydraulic working machine

1996-05-14

1998-02-10

Melius, Terry Lee

Excavating

Ditcher

Shovel or scoop

296 371, 180 6921, B62D 2524

Patent

active

057156158

ABSTRACT:
A hydraulic working machine includes a bonnet assembly extending along a rear end and opposite sides of a cab on a revolving upper structure so as to cover an internal combustion engine, a cooling fan, a radiator, and a hydraulic pump. The bonnet assembly is composed of first to three bonnets. The first bonnet and the second bonnet each cover an upper portion and a side portion of the internal combustion engine. The third bonnet covers a hydraulic oil tank and a fuel tank for the internal combustion engine. The first bonnet can be opened and closed in the horizontal direction and hence makes no contact or interference with a seat in the cab. The horizontally openable first bonnet is disposed above a counterweight and hence does never interfere with the counterweight. With the bonnet assembly thus arranged, the components mounted in the upper structure can be readily exposed in condition ready to maintain without involving dismounting of the seat even when the revolving upper structure is small in size.

REFERENCES:
patent: 3841430 (1974-10-01), Babbih Jr. et al.
patent: 4062582 (1977-12-01), Youmans
patent: 4616872 (1986-10-01), Akira et al.
patent: 5192108 (1993-03-01), Richardson et al.
patent: 5303792 (1994-04-01), Shimizu
patent: 5465803 (1995-11-01), Kirchen et al.
patent: 5481857 (1996-01-01), Umemoto et al.

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