Hydraulic system for a double acting cylinder

Details Hydraulic system for a double acting cylinder Hydraulic system for a double acting cylinder

1995-12-12

1997-01-28

Raduazo, Henry E.

Excavating

Snow or ice removing or grooming by portable device

Vehicle mount with obstacle responsive trip, or yieldable tool

37236, 60413, F15B 102, E01H 504

Patent

active

055968236

ABSTRACT:
A hydraulic system includes a double acting hydraulic cylinder for suitably supporting a snow wing on an articulated motor grader in a fixed roading position. The hydraulic system is provided with a pressure relief circuit that permits the motor grader to be articulated without manual adjustment of the hydraulic pressure in the hydraulic cylinder.

REFERENCES:
patent: 2750688 (1956-06-01), Grabow
patent: 3561541 (1971-02-01), Woelfel
patent: 3800903 (1974-04-01), Beals et al.
patent: 3872670 (1975-03-01), Dezelan et al.
patent: 4834191 (1989-05-01), Vecchio
patent: 5083811 (1992-01-01), Sato et al.
patent: 5177887 (1993-01-01), McGugan et al.
Caterpillar service publication "Hydraulic Snow Wings for CAT Motor Graders"--using Balderson Hydraulic Snow Wing, Form No. CM5060, 1994.

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