Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1981-06-09
1983-08-30
Mitchell, David M.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
74498, 91467, 92136, B62D 312, B62D 510, F15B 910
Patent
active
044011806
ABSTRACT:
An improved power steering device which has a pinion shaft connected with a steering wheel, a rack rod which is connected with steerable wheels and whose rack is in mesh with the pinion of the pinion shaft in the gear box, a power cylinder for hydraulically actuating the rack rod, and a changeover valve for selectively connecting the first and second hydraulic chambers of the power cylinder with the hydraulic pressure source and the oil reservoir. The pinion shaft is rotatably supported in the oscillating cage which is rotatably mounted on the gear box in a manner such that the axis of the oscillating cage is offset a certain distance from the axis of the pinion shaft, whereby the oscillating cage rotates about its axis when the steering torque is applied to the pinion shaft. The oscillating cage is connected with the changeover valve so that the latter is actuated by the rotary movement of the oscillating cage. With this construction, the changeover valve can be made to respond accurately to the steering torque and at the same time it is possible to reduce the size and simplify the structure of the device.
REFERENCES:
patent: 4299302 (1981-11-01), Nishikawa et al.
Aoki Takashi
Aoyama Toshihiko
Nishikawa Masao
Sato Yoichi
Takaoka Tokuro
Honda Giken Kogyo Kabushiki Kaisha
McGiehan Donn
Mitchell David M.
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