Hydraulic excavator with coupling pin access

Details Hydraulic excavator with coupling pin access Hydraulic excavator with coupling pin access

1997-06-30

2000-10-24

Batson, Victor

Excavating

Scoop or excavating and transporting container

Dipper-type

220562, 37327, 37 8913, E02F 332

Patent

active

061348163

ABSTRACT:
A pin is laid out so as to pass through a boom laid out between a pair of bosses of the center frame of the upper rotating body, and are attachably, detachably, and pivotably mounted on the boom. A cab is laid out on one side of the pair of bosses, and oil tanks such as a hydraulic oil tank and fuel oil tank are laid out on the other side thereof. The sections of oil tanks that meet the extension line of the center line of the pins are formed as a space section with which the pin does not interfere when the pin is moved along the extension line. In the upper rotating body where the hydraulic oil tank and the fuel oil tank are laid out to keep the relation of the front and rear positions, the space between both oil tanks is positioned nearly on the extension line of the center line of the pins, and a cut section of the oil tank is formed on at least one side of both oil tanks, and besides partly hollowly.

REFERENCES:
patent: 4056250 (1977-11-01), Uchiyama
patent: 4069637 (1978-01-01), Braithwaite
patent: 4444542 (1984-04-01), Shaw et al.
patent: 4541161 (1985-09-01), Shimoie
patent: 5711095 (1998-01-01), Oda et al.
patent: 5715615 (1998-02-01), Murakami et al.
Honda Shop Manual, CB700SC NightHawk S, p. 3-5, Oct. 1984.
Sears/Craftsman Electric Chain Saw Operator's Manual, p. 20, Dec. 1991.
Homelite BP250 Blower Owner's Manual, p. 7, Dec. 1996.
Toyota Truck & 4Runner 1988 Repair Manual, p. FA-31,FA-70,TF-4,BR-30,BR-37,EM-13,EM-17, Dec. 1988.
Kubota, "RX-502", pp. 27, 125, 146, and 160, Sep. 1995.

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