Motor vehicles – Steering gear – With fluid power assist
Patent
1998-12-04
2000-10-24
Culbreth, Eric
Motor vehicles
Steering gear
With fluid power assist
180432, 180433, B62D 506
Patent
active
061352322
ABSTRACT:
A steering axle with hydrostatic two-circuit steering system for agricultural, forestry and construction vehicles. The steering axle includes a first double-acting pressure medium cylinder (1) which in the area of its center is connected with an axle bridge housing (2) and at its two ends with joint housings (4, 5) via tie bars (3) and an additional second double-acting pressure medium cylinder (6) which is mounted on one side of the axle. The second cylinder acts simultaneously together with the first pressure medium cylinder (1). In this manner a two-circuit steering system is obtained. At the same time said second double-acting pressure medium cylinder (6) is connected at one end via a ball joint (7) with a joint housing (5) and at the other end is fastened on the axle bridge housing (2).
REFERENCES:
patent: 3101808 (1963-08-01), Gordon
patent: 3720282 (1973-03-01), Bianchetta et al.
patent: 3776356 (1973-12-01), France
patent: 4449600 (1984-05-01), Telfer
patent: 4475615 (1984-10-01), Stanek
Japanese Abstract, JP 07 257 413A, dated Oct. 9, 1995 "Fitting Structure for Power Steering Cylinder" issued to Ishikawajima Shibaura Mach Co Ltd.
Japanese Abstract, JP 08 183 469A, dated Jul. 16, 1996 "Power Cylinder for Power Steering" issued to Koyo Sheiko Co Ltd.
Culbreth Eric
Shriver J. Allen
ZF Friedrichshafen AG
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