Rack and pinion gear bearing support

Details Rack and pinion gear bearing support Rack and pinion gear bearing support

1980-03-31

1981-10-27

Husar, C. J.

Machine element or mechanism

Gearing

Directly cooperating gears

74498, 308 3R, 308 21, F16H 104

Patent

active

042966418

ABSTRACT:
A rack and pinion gear set wherein a driving pinion having spur gear or helical gear teeth rotates to produce axial displacement of the rack member has a saddle bearing located above the pinion for supporting the rack shaft. The saddle bearing furnishes support surfaces, which engage complementary support surfaces on the rack shaft. The surfaces have a center of curvature located at approximately the center of the contact area on the face of the pinion teeth. A second embodiment has a cradle bearing for supporting the rack shaft on planar surfaces and has, at its outer periphery, a cylindrical surface which is held by a saddle bearing. The center of curvature of the cylindrical surface is likewise located approximately at the mean contact surface on the pinion teeth faces.

REFERENCES:
patent: Re28740 (1976-03-01), Bishop
patent: 2973658 (1961-03-01), Bishop
patent: 3064491 (1962-11-01), Bishop
patent: 3267763 (1966-08-01), Merritt
patent: 3623379 (1971-11-01), Bradshaw et al.
patent: 3820415 (1974-06-01), Cass
patent: 4224833 (1980-09-01), Jablonsky

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