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US 2007/0182232 A1Published application
Adjustable, locking armrest for chair
OwnerHerbert Knappinventor
Life of this patent
Estimating the term…
Abstract
An armrest that is infinitely adjustable is provided by the combination of a pin and slot arrangement for adjusting the arm in one direction and a second pin and slot arrangement for angularly adjusting the arm in a different direction, the second pin being in the form of a locking cam which locks the arm to a portion of the chair.
Claims16
An armrest for a chair, comprising:
- a. an arm having a longitudinal arm slot therein;
- b. a bracket having a generally planar face connected to the chair, the bracket having a swivel pin on which the arm is disposed at the arm slot;
- c. a friction disk having a bore and disposed between the arm and the bracket;
- and
- d. locking means for compressing the arm, bracket, and friction disk together to lock the arm in place.
2 more elements
An armrest for a chair, comprising:
- a. an arm having a longitudinal arm slot therein;
- b. a strut having a strut slot substantially along its length and being pivotally attached to the chair;
- c. a friction disk having a bore and disposed between the arm and the strut;
- and
- d. locking means for compressing the arm, the strut, and the friction disk together to lock the arm in place.
2 more elements
An armrest for a chair, comprising:
- a. an arm having a bore therein;
- b. a bracket having a generally planar face connected to the chair, the bracket having an upstanding portion;
- c. friction disk means between the arm and the bracket selected from the group consisting of a friction disk disposed therebetween, a friction disk integral with the bracket, or a friction disk integral with the arm, said friction disk means having a bore therein;
- and
- d. locking means for compressing the arm, bracket, and friction disk means together to lock the arm in place.
2 more elements
Dependencies are inferred from the claim text.