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US 7,581,791 B2Granted
Ergonomic chair arm
AssigneeHumanscale Corporation
InventorNiels Diffrient
Life of this patent
Estimating the term…
Abstract
The invention provides a chair armrest that is variably adjustable to allow a user to assume an ergonomically preferred sitting position. The ergonomic chair armrest comprises, either separately or together, an arm support assembly capable of adjustment to various positions through a vertical plane and an arm pad assembly capable of adjustment to various positions through a horizontal plane. The invention further provides an ergonomic chair having an armrest that is adjustable in both a vertical plane and a horizontal plane.
Claims23
A chair arm support assembly comprising:
- a. an upper bar having a first end and a second end;
- b. a lower bar having a first end and a second end;
- c. an arm lock plate comprising a rear portion and a front portion, said rear portion lockably engaged to said second end of said upper bar and said second end of said lower bar;
- d. an arm lock release button;
- and
- e. a motion-inducing component comprising a first end and a second end, said second end of said motion inducing component attached to said arm lock release button.
3 more elements
Dependencies are inferred from the claim text.