Task chair
First Claim
Patent Images
1. An adjustable task chair comprising:
- a seat;
at least two back support members;
each said back support member independently supported by a single, tiltable, vertical brace support member, each of said back support members being adjustable;
each said brace support member supported by, and pivotally attached to, a frame;
each said brace support member adjustable, independent of each said other brace support member, adjusting a position of each said back support member in an anterior and a posterior direction to vary an angle defined by said back support member with respect to said seat;
at least one holding component mounted on a posterior section of said frame and holding each said brace support member in a position; and
each said holding component comprises a spring to bias said corresponding brace support member.
1 Assignment
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Accused Products
Abstract
The present invention relates to task chairs that support the body of the user in healthy positions while the user performs various tasks over extended sitting periods and that provide independent and independently adjustable support to the lower and the upper back.
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Citations
23 Claims
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1. An adjustable task chair comprising:
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a seat; at least two back support members; each said back support member independently supported by a single, tiltable, vertical brace support member, each of said back support members being adjustable; each said brace support member supported by, and pivotally attached to, a frame; each said brace support member adjustable, independent of each said other brace support member, adjusting a position of each said back support member in an anterior and a posterior direction to vary an angle defined by said back support member with respect to said seat; at least one holding component mounted on a posterior section of said frame and holding each said brace support member in a position; and each said holding component comprises a spring to bias said corresponding brace support member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An adjustable task chair comprising:
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a seat; at least two back support members; each said back support member independently supported by a single, tiltable, vertical brace support member, at least one of said back support members being adjustable; each said brace support member supported by, and pivotally attached to, a frame; each said brace support member adjustable, independent of each said other brace support member, adjusting a position of said corresponding back support member in an anterior and a posterior direction to vary an angle defined by said back support member with respect to said seat; at least one holding component mounted on a posterior section of said frame and holding each said brace support member in a position; and at least one adjusting component for overcoming holding of said holding component to adjust at least one of said vertical brace support members, wherein at least one of said adjusting components connects to at least one pneumatic gas cylinder.
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23. An adjustable task chair comprising:
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a seat; at least two back support members; each said back support member independently supported by a single, tiltable, vertical brace support member, at least one of said back support members being adjustable; at least one adjusting component to independently adjust a length of at least one of said brace support members; at least one adjusting component to independently adjust at least one of said brace support members in a direction towards, or away from, said seat; at least one adjusting component to independently control tilt tension of at least one said brace support member; each said brace support member supported by, and pivotally attached to, a frame; and each said brace support member adjustable, independent of each said other brace support member, adjusting a position of said corresponding back support member in an anterior and a posterior direction to vary an angle defined by said back support member with respect to said seat.
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Specification