Chuckless power seat adjuster slide
AssigneeGeneral Motors Corporation
InventorsHans J. Borlinghaus, James P. Nini, Thomas B. Blake
Life of this patent
Estimating the term…
Abstract
A powered seat adjuster slide unit is providing including a top rail for mounting a vehicle seat; a bottom rail for supporting the top rail; a guide rail pivotally joined to the top and bottom rails along generally opposite ends to stabilize the top rail; a first forward jack screw unit with a powered extendable jack screw, the first jack screw unit having pivotal axes in positions fixed with respect to the top and bottom rails; and a second rearward jack screw unit with a powered extendable jack screw, the second jack screw unit having pivotal axes in positions fixed with respect to the top and bottom rails.
Claims7
A four-way powered seat adjuster slide unit comprising:
- a top rail for mounting a vehicle seat;
- a bottom rail for supporting the top rail;
- a guide rail pivotally joined to the top rail and to the bottom rail along generally opposite ends to stabilize the top rail;
- a first forward jack screw unit with a powered extendable jack screw, the jack screw unit having fixed pivotal axes in positions fixed with respect to the top and bottom rails;
- and
- a second rearward jack screw unit with a powered extendable jack screw, the jack screw unit having fixed pivotal axes in positions fixed with respect to the top and bottom rails.
A six-way powered seat adjuster slide unit comprising:
- a top rail for mounting a vehicle seat;
- a bottom rail for supporting the top rail;
- a floor rail for slidably mounting the bottom rail in a fore and aft position;
- a guide rail pivotally joined along generally opposite ends to the top tail and to the bottom rail to stabilize the top rail;
- a first forward nonrotative jack screw unit, the unit being on a platform pivotally connected to the bottom rail, the unit having a nonrotative jack screw surrounded by a first gear which is in turn powered by a second gear, the second gear being powered by a motor located on the platform, the first jack screw unit having fixed pivotal axes in a position fixed with respect to the top rail and the bottom rail;
- a second rearward jack screw unit with an extendable nonrotative jack screw encircled by a first gear which in turn meshes with a second gear powered by a motor, the first and second gears being on a platform having a pivotal axes with the bottom rail and the second jack screw unit having fixed pivotal axes in a position fixed with respect to the top rail and the bottom rail;
- and a motor fixed with the bottom rail allowing a third gear to mesh with a portion of the bottom rail for providing selective fore and aft adjustment of the adjuster slide unit.
Dependencies are inferred from the claim text.