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US 7,967,379 B2Granted
Seat with independently adjustable user support assemblies
AssigneeL&P Property Management Company
InventorsJoseph L. Walters, Dana E. Lockwood, Robert Ripplinger, James A. Riegsecker
Life of this patent
Estimating the term…
Abstract
A seat including a plurality of user support assemblies that are independently adjustable. User support assemblies, which are independently adjustable, include a head support assembly, a thoracic support assembly, and a lumbar support assembly. Moreover, the seat might include a independently adjustable seat assembly.
Claims14
A seat comprising:
- a base assembly;
- a back coupled to the base assembly;
- and
- coupled to the back:
- (i) a lumbar support adjustment mechanism for independent, vertical adjustment of a lumbar support assembly;
- (ii) a thoracic support adjustment mechanism for independent, vertical adjustment of a thoracic support assembly;
- and
- (iii) a mechanism for independent, vertical adjustment of a head support assembly,
- wherein at least one of the lumbar support assembly and the thoracic support assembly comprises;
- a) a central mounting bracket that attaches to a respective adjustment mechanism;
- b) a left swing rod that pivotally couples a left-side skin to a left side of the central mounting bracket;
- and
- (c) a right swing rod that pivotally couples a right-side skin to a right side of the central mounting bracket.
10 more elements
A chair comprising:
- a base assembly;
- a seat chassis coupled to the base assembly, wherein attached to the seat chassis is a horizontally adjustable seat assembly;
- a back coupled to the seat chassis, wherein the back comprises a central mounting base and wherein the central mounting base is coupled to the seat chassis by a mounting plate;
- and
- coupled to the central mounting base:
- (i) a lumbar support adjustment mechanism for independent, vertical adjustment of a lumbar support assembly;
- (ii) a thoracic support adjustment mechanism for independent, vertical adjustment of a thoracic support assembly;
- and
- (iii) a head support adjustment mechanism for independent, vertical adjustment of a head support assembly,
- wherein both the lumbar support assembly and the thoracic support assembly comprise:
- (a) a top central mounting bracket and a bottom central mounting bracket for attachment to an adjustment mechanism;
- (b) swing rods pivotally coupled to one or more of the top central mounting bracket and the bottom central mounting bracket, wherein at least one swing rod is pivotally coupled to a left side of the one or more of the top central mounting bracket and the bottom central mounting bracket and wherein at least one swing rod is pivotally coupled to a right side of the one or more of the top central mounting bracket and the bottom central mounting bracket;
- and
- (c) a left-side skin for unifying rotation of the at least one swing rod pivotally coupled to the left side and a right-side skin for unifying rotation of the at least one swing rod pivotally coupled to the right side.
11 more elements
A chair comprising:
- a base assembly;
- a seat chassis coupled to the base assembly, wherein attached to the seat chassis is a horizontally adjustable seat assembly;
- a back coupled to the seat chassis, wherein the back comprises a central mounting base and wherein the central mounting base is coupled to the seat chassis by a mounting plate;
- coupled to the central mounting base:
- (i) a lumbar support adjustment mechanism for independent, vertical adjustment of a lumbar support assembly;
- (ii) a thoracic support adjustment mechanism for independent, vertical adjustment of a thoracic support assembly;
- and
- (iii) a head support adjustment mechanism for independent, vertical adjustment of a head support assembly,
- wherein one or more of the thoracic support assembly and the lumbar support assembly comprise:
- a top central mounting bracket and a bottom central mounting bracket for attachment to an adjustment mechanism;
- swing rods pivotally coupled to one or more of the top central mounting bracket and the bottom central mounting bracket, wherein at least one swing rod is pivotally coupled to a left side of the one or more of the top central mounting bracket and the bottom central mounting bracket and wherein at least one swing rod is pivotally coupled to a right side of the one or more of the top central mounting bracket and the bottom central mounting bracket;
- and
- a left-side skin for unifying rotation of the at least one swing rod pivotally coupled to the left side and a right-side skin for unifying rotation of the at least one swing rod pivotally coupled to the right side;
- and
- wherein the head support adjustment mechanism comprises:
- one or more angled head support posts, wherein the one or more angled head support posts are vertically adjustable, and
- a head support mounting bracket pivotally attached to a terminal end of each of the one or more angled head support posts, wherein the head support mounting bracket is fixed to a rigid backing of a head support cushion.
14 more elements
Dependencies are inferred from the claim text.