Machine element or mechanism – Gearing – Directly cooperating gears
Patent
1991-05-20
1992-06-02
Herrmann, Allan D.
Machine element or mechanism
Gearing
Directly cooperating gears
74498, F16H 104
Patent
active
051177056
ABSTRACT:
The assembly comprises a rack (2) and a pinion (1) each having an axis of symmetry (7, 8) perpendicular to each other in their transversal section. The rack (2) is located in a chamber (6) provided within a rigid body (5), this chamber (6) having a partly cylindrical inner wall (9), the axis of symmetry of the chamber (6) being merged into the rack axis (8). The track (2) includes a front face engaged with the pinion (1) and a rear face opposite the front face, this rear face comprising two lateral tapered sides (15) converging toward the rack axis (8) and an extending rib (13) having flat lateral sides (17) parallel to the rack axis. Within the rigid body (5), is provided a pair of members (31, 32) disposed symmetrically with respect to the rack axis (8), each member (31, 32) being rotatively slideable along the cylindrical inner wall (9), each of the members engaging one of the lateral tapered sides (15) at about one point and one of the lateral flat sides (17) at about one point, and further including a spring (4) located between ends of the members (31, 32) and urging the ends in opposite directions in such a way that the members (31, 32) bear on the rib (13) to generate an anti-ungearing force applied to the lateral tapered sides (15) of the rack (2).
REFERENCES:
patent: 3592075 (1971-07-01), Clark
patent: 4215591 (1980-08-01), Bishop
patent: 4263817 (1981-04-01), Taig
patent: 4271716 (1981-06-01), Carduner
patent: 4296641 (1981-10-01), May
patent: 4369669 (1983-01-01), Allen
patent: 4448088 (1984-05-01), Adams
Bendix Espana S.A.
Decker Ken C.
Herrmann Allan D.
Laub David W.
Palguta Larry J.
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