Supports – Stand – Horizontally movable support surface
Patent
1990-04-26
1991-05-28
Foss, J. Franklin
Supports
Stand
Horizontally movable support surface
74 8916, 296 651, 297346, F16M 1300
Patent
active
050186965
ABSTRACT:
A floating drive mechanism for a power seat adjuster in which carriages are carried by two parallel inserts, each of the inserts including a toothed rack in mesh with a pinion drive gear. The gear and rack are held in a consistent mesh with one another by a spring retainer so that during adjustment of the seat, as the carriage is moving, dimensional variations of the carriages and inserts do not effect the mesh between the gears and racks. The gears include drive shafts which terminate in spherically radiused square drive ends to which are crimped the ends of a torque tube coupling the pinion gears to one another. A transmission/motor assembly pivotally mounted to one of the carriages is used to drive the two gears. The drive shaft couplings with the torque tube enable the two gears to float relative to one another and also relative to the motor/transmission assembly to maintain the consistent mesh between the gears and the racks.
REFERENCES:
patent: 4275914 (1981-06-01), Holweg
patent: 4516811 (1985-05-01), Akiyama
patent: 4721337 (1988-01-01), Tomita
patent: 4796951 (1989-01-01), Tamura
patent: 4802374 (1989-02-01), Hamelin
patent: 4805866 (1989-02-01), Aihara
patent: 4838511 (1989-06-01), Terada
patent: 4863209 (1989-09-01), Deegener
patent: 4909468 (1990-03-01), Aihara
Foss J. Franklin
Hoover Universal Inc.
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