Cargo handling vehicle having push-pull unit

Details Cargo handling vehicle having push-pull unit Cargo handling vehicle having push-pull unit

1990-01-24

1994-03-29

Bucci, David A.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Comprising device on carrier to move or carry load laterally...

254122, 2941031, 414280, B66F 920

Patent

active

052979164

ABSTRACT:
A cargo handling vehicle such as a forklift truck having a push-pull unit is improved in responsibility, operation speed and in precise operability by: replacing a conventional hydraulic cylinder for moving a face member 10 back and forth along forks 9 of the vehicle with an electric motor 32. The thus employed motor 32 also eliminates a fear that a cargo 26 is smudged with oil leaking from the hydraulic cylinder and pressurized-oil supply pipes thereof. In cargo loading and discharging operation conducted by the cargo handling vehicle, the face member 10 of the push-pull unit of the vehicle is automatically operated so as to move back and forth along the forks 9 of the vehicle at the substantially same traveling speed as that of the vehicle in a direction counter to a vehicle traveling direction, whereby the sheet pallet B' carrying the cargo 26 is kept substantially stationary during cargo loading and discharging operation or the vehicle.

REFERENCES:
patent: 1977785 (1934-10-01), Wheelock
patent: 2615682 (1952-10-01), Stone
patent: 4284384 (1981-08-01), Olson
patent: 4411577 (1983-10-01), Shearer, Jr.
patent: 4742468 (1988-05-01), Ohashi et al.
patent: 4861223 (1989-08-01), Olson

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