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US 4,257,569 AGranted
Power seat adjusting mechanism for a platform seat
AssigneeGeneral Motors Corporation
InventorJohn A. Budinski
Life of this patent
Estimating the term…
Abstract
A seat adjusting mechanism has two vertical and one horizontal drive systems that are power actuated to control the attitude of the seat. The vertical drive systems are disposed between a seat support and a seat base which is connected to the seat support by a hinged link. The horizontal drive system is mounted on the seat support and is operable to move a seat platform relative to the seat support.
Claims4
A seat adjusting mechanism comprising:
- a base member;
- a seat platform member;
- a seat support member slidably supporting said seat platform member;
- a link member hinged at first spaced locations to said base member and at second spaced locations to said seat support member at a location longitudinally displaced from the first spaced locations;
- first vertical drive means drivingly connected to said base member and housed in said seat support member between said first spaced hinge locations on said seat support member for raising and lowering one portion of said seat support member relative to said base member;
- second vertical drive means drivingly connected to said base member having the drive axis coplanar with the drive axis of the first vertical drive means disposed between said second spaced hinge locations on said base member and being housed in said seat support member for raising and lowering another portion of said seat support member relative to said base member;
- and single horizontal drive means housed in said seat support member and being drivingly connected to said seat platform member for moving said seat platform member linearly relaive to said seat support member, said vertical drive means and said horizontal drive means being selectively operable to position a seat within a predetermined space.
4 more elements
A seat adjusting mechanism comprising:
- a base member;
- a seat platform member;
- a seat support member slidably supporting said seat platform member;
- a link member hinged at two locations to said base member and hinged at two locations to said seat support member at respective longitudinally spaced locations;
- first vertical drive means including a screw actuator operatively connected to said base member and an electric drive means housed in said seat support member intermediate said two spaced hinge locations on said seat support member and operable to drive said screw actuator to raise and lower one portion of said seat support member relative to said base member;
- second vertical drive means including a screw actuator operatively connected to said base member and an electric drive means housed in said seat support member intermediate said two spaced hinge locations and operable to drive said screw actuator to raise and lower another portion of said seat support member relative to said base member;
- and single horizontal drive means housed in said seat support member and being drivingly connected to said seat platform member for moving said seat platform member linearly relative to said seat support member, said first vertical drive means, said second vertical drive means and said horizontal drive means each being selectively operable to position a seat within a predetermined space and each having a respective drive axis coplanar with both of the other drive axes.
4 more elements
A seat adjusting mechanism comprising:
- a base member;
- a seat platform member;
- a seat support member slidably supporting said seat platform member;
- a link member hinged to said base member at first spaced locations and to said seat support member at second spaced locations longitudinally of the first spaced locations;
- first vertical drive means having a drive axis and including a screw actuator rotatable on said drive axis and operatively connected to said base member and an electric drive means housed in said seat support member for operating said screw actuator for raising and lowering one portion of said seat support member relative to said base member;
- second vertical drive means having a drive axis including a screw actuator rotatable on said drive axis and operatively connected to said base member, and electric drive means housed in said seat support member for operating said screw actuator for raising and lowering another portion of said seat support member relative to said base member;
- and single horizontal drive means including electric motor drive means housed in said seat support member and gear means having a drive axis coplanar with the drive axis of both vertical drive means drivingly connected to said electric motor drive means, said seat platform member for moving said seat platform member linearly relative to said seat support member, said vertical drive means and said horizontal drive means being selectively operable to position a seat within a predetermined space.
4 more elements
A seat adjusting mechanism comprising:
- a base member;
- a seat platform member having rack gear means;
- a seat support member slidably supporting said seat platform member;
- a link member hinged to said base member at first spaced locations and to said seat support member at second spaced locations;
- first vertical drive means drivingly connected to said base member and including electric motor drive means and gear means having an axis disposed centrally of said first spaced locations and being housed in said seat support member for raising and lowering one portion of said seat support memeber relative to said base member;
- second vertical drive means drivingly connected to said base member and including electric motor drive means and gear means having an axis displaced longitudinally of the axis of the first mentioned gear means and being disposed centrally of said second spaced locations and being housed in said seat support member for raising and lowering another portion of said seat support member relative to said base member;
- and single horizontal drive means including electric motor means and gear means having an axis housed in said seat support member and being drivingly connected to said rack gear means on said seat platform member for moving said seat platform member linearly relative to said seat support member, said vertical drive means and said horizontal drive means being selectively operable to position a seat within a predetermined space said axis of each of said gear means being disposed coplanar.
4 more elements
Dependencies are inferred from the claim text.