Six-way vehicle seat adjuster

Claim 1

Six-way seat adjusting mechanism for a vehicle seat comprising a generally horizontal support adapted to be positioned to extend fore and aft of a vehicle, a carriage slidabLe longitudinally on said support, and a seat frame connected by pivoted lift arms at its front and rear edges to said carriage, a reversible motor mounted on said carriage, said carriage comprising a housing having a driving worm therein, a drive shaft connecting said motor and worm, a first worm gear in said housing in mesh with said worm, first and second aligned shafts coaxial with said first worm gear, independently operable clutches for selectively coupling the adjacent ends of said first and second shafts to said first worm gear, the other ends of said first and second shafts extending to points adjacent the front and rear edges of said seat frame, gearing connecting the said other ends of said first and second shafts to said lift arms, a second worm gear in said housing in mesh with said worm, a third shaft coaxial with said second worm gear, a clutch for selectively coupling said third shaft to said second worm gear, said support comprising a rack extending longitudinally thereof, a pinion in mesh with said rack, and gearing connecting said third shaft to said pinion.