Rack and pinion steering gear, especially for motor vehicles

Details Rack and pinion steering gear, especially for motor vehicles Rack and pinion steering gear, especially for motor vehicles

1982-04-13

1984-10-30

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74498, 92 85R, 180148, 267140, B62D 312, B62D 510

Patent

active

044794002

ABSTRACT:
An impact damping or cushioning means is provided to overcome the noise occasioned when a reciprocating slide block member, to which steering rods are secured, is limited in motion by engaging the ends of a housing slot in which the member slides. Such slide block is secured to a drive rod in the housing, which may be a pinion driven rack or operated by a pressure piston, and protrudes through the slot for connection to steering rods. The construction effects a damped or cushioned initial impact engagement of increasing resilient resistance up to the point of metallic non-yielding engagement of either end of the slide block with the respective end of the slot. Thus, the cushioning means at each end of the travel is of deforming, compressible rubber-like plastic material compressed in comfinement during initial impact in a recess which may be in the slide block or in the housing slot edge. Such cushioning means is shaped so that initially only a small portion is compressed as an end of the slide block approaches the respective slot end, followed by compression of the main mass prior to metallic impact.

REFERENCES:
patent: 2193898 (1940-03-01), Carter et al.
patent: 3143933 (1964-08-01), Norton
patent: 4187736 (1980-02-01), Haegele
patent: 4281588 (1981-08-01), Jaske

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