Machine element or mechanism – Gearing – Directly cooperating gears
Patent
1989-11-02
1991-06-11
Herrmann, Allan D.
Machine element or mechanism
Gearing
Directly cooperating gears
74498, F16H 104, B62D 312
Patent
active
050222791
ABSTRACT:
A housing has accommodated therein a hollow cylindrical rack guide made of synthetic resin and pressed against a rack bar by a spring for guiding the rack bar and preloading the rack relative to the pinion, the rack guide being formed in its one end face with a guide groove for guiding the rack bar. The rack guide is shaped in the form of a double cylinder having an inner cylindrical portion and an outer cylindrical portion by being formed in the other end face thereof with a circular spring accommodating cavity and an annular groove positioned around the cavity concentrically therewith, a plurality of ribs being formed in the annular groove between the inner and outer cylindrical portions diametrically thereof and including ribs parallel to the guide groove, the inner cylindrical portion having an end face flush with or projecting beyond the end face of the outer cylindrical portion, at least the ribs parallel to the guide groove each having an end face flush with the end face of the inner cylindrical portion.
REFERENCES:
patent: 4593578 (1986-06-01), Kobayashi et al.
patent: 4785685 (1988-11-01), Kobayashi et al.
patent: 4800770 (1989-01-01), Kobayashi et al.
Arai Hirokazu
Hatabu Shoji
Ueno Hiroshi
Herrmann Allan D.
Koyo Seiko Co. Ltd.
Laub David W.
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