Building machine, particularly an excavator

Details Building machine, particularly an excavator Building machine, particularly an excavator

1977-06-02

1979-05-01

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Attachment

267 65D, 280 64, 280714, B60P 118

Patent

active

041520041

ABSTRACT:
In a wheeled vehicle such as an excavator, a pivotable axle for two of the wheels can be locked against pivoting by means of two blocking cylinders each of which is controlled by its own valve. Each valve is closed by venting a control conduit and applying a valve member against a seating, the valve member being subjected to the action of a return spring.

REFERENCES:
patent: 3077952 (1963-02-01), Neises
patent: 3909035 (1975-09-01), Aikawa

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