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US 7,140,685 B2Granted
Swivel chair joint
OwnerKenneth J. Gardnerinventor
Life of this patent
Estimating the term…
Abstract
A swivel chair joint utilizing a tapered roller bearing assembly to substantially transform the seating load to the tapered roller bearings and thereby reducing frictional resistance to swiveling.
Claims17
A swivel chair joint for rotationally joining a seat support extending from a seat to a post, comprising:
- a tapered roller bearing assembly having a cup, an outer race, and an inner race assembly with a top portion of said inner race assembly extending out of the outer race,
- said tapered roller bearing assembly disposed on a top end of the post and said seat support resting upon the top portion of the inner race assembly, and
- a disc disposed between the seat support and the top portion of the inner race assembly,
- whereby, the seat is rotationally joined to the post.
1 more element
A swivel chair joint comprising:
- a. a cup;
- b. a tapered roller bearing assembly,
- i. said tapered roller bearing assembly having an outer race, tapered rollers, and a cage for retaining the rollers,
- ii. said cage having a top circular edge that protrudes above a top edge of the cup;
- c. a disc with a top surface and a bottom surface,
- said bottom surface of the disc being disposed adjacent to and supported by the top circular edge of the cage,
- whereby, said tapered roller bearing assembly can be disposed in an upright post and the top surface of the disc can support a seat support connected to a seat.
4 more elements
A swivel chair joint comprising
- a. a cup;
- b. a tapered roller bearing assembly,
- i. said tapered roller bearing assembly having an inner race, an outer race, tapered rollers, and a cage for retaining the rollers,
- ii. said inner race having a top circular edge that protrudes above a top edge of the cup;
- c. a disc having a top surface and a bottom surface, with the bottom surface disposed adjacent to and supported by the top circular edge of the inner race and the top surface supporting a seat support connected to a seat,
- whereby, the tapered roller bearing assembly can be disposed on an upright post with the disc disposed between the tapered roller bearing assembly and the seat.
3 more elements
A swivel chair, comprising:
- a. an upright post;
- b. a seat support connected to a seat;
- and
- c. a tapered roller bearing assembly positioned between the upright post and the seat support,
- said tapered roller bearing assembly having a cup, an outer race and an inner race assembly with a top portion of said inner race assembly extending out of the cup,
- said tapered roller bearing assembly being disposed on a top end of the post and said seat support resting upon the top portion of the inner race assembly;
- and
- d. a disc disposed between the seat support and the top portion of the inner race assembly,
- whereby, the seat is rotationally joined to the post.
6 more elements
A swivel chair comprising
- a. an upright post;
- b. a seat support connected to a seat;
- c. a cup:
- d. a tapered roller bearing assembly,
- i. said tapered roller bearing assembly having an outer race, tapered rollers, and a cage for retaining the rollers,
- ii. said cage having a top circular edge that protrudes above a top edge of the cup;
- e. a disc with a top surface and a bottom surface,
- said bottom surface of the disc being disposed adjacent to and supported by the top circular edge of the cage,
- whereby, said tapered roller bearing assembly can be disposed in the upright post and the top surface of the disc can support the seat support connected to a seat to constitute the swivel chair.
6 more elements
A swivel chair comprising
- a. an upright post;
- b. a cup;
- c. a seat support connected to a seat;
- d. a tapered roller bearing assembly,
- i. said tapered roller bearing assembly having an inner race, an outer race, tapered rollers, and a cage for retaining the rollers,
- ii. said inner race having a top circular edge that protrudes above a top edge of the cup;
- e. a disc having a top surface and a bottom surface, with the bottom surface disposed adjacent to and supported by the top circular edge of the inner race and the top surface supporting a seat support connected to a seat,
- whereby, the tapered roller bearing assembly can be disposed on an upright post with the disc disposed between the tapered roller bearing assembly and the seat to constitute the swivel chair.
5 more elements
Dependencies are inferred from the claim text.