US4097016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable seat support assembly
Assignee: Danbar Inc
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Filing: 1977-05-12
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Granted: 1978-06-27
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Expires: 1997-05-12
Abstract
Abstract A rotatable seat support assembly for supporting a vehicle seat or the like for swiveling movement in opposite directions. A seat pedestal means carries a support tube, around which is fixedly mounted a lower bearing ring. A seat support means having a central plate is mounted around the support tube and carries an upper bearing ring. A plurality of ball bearings is operatively mounted between the bearing rings. A stop plate is fixedly mounted over the upper bearing ring, and it is attached to a support plate that is fixedly mounted in the support tube. A stop member is fixedly carried on the central plate of the seat support means for limiting the rotative movement of the seat support means about the support tube. A releasable cam locking means is carried on the seat support means for releasable locking engagement with a slot formed in the stop plate.
Inventors
- 👤 Primo O. Petrucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:12
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/14; B60N2/143; A; A47; A47C; A47C3/00; A47C3/18
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
140 words
In a rotatable seat support assembly for supporting a seat for swiveling movement in opposite directions, the combination comprising: (a) a seat pedestal means; (b) a support tube fixedly mounted on said pedestal means; (c) a ring bearing means mounted around the support tube; (d) a seat support means mounted around said support tube; (e) means retaining said seat support means on said ring bearing means and on said support tube to prevent axial movement relative to said support tube and allow rotative movement about said support tube; (f) means for releasably locking said seat support means in a normal use position; (g) stop means for limiting a swiveling movement of the seat support means about the support tube; and, (h) anti-noise means mounted between said support tube and means for retaining said seat support means on the bearing means.
Claim 2
Dependent Claim
140 words
In a rotatable seat support assembly for supporting a seat for swiveling movement in opposite directions, the combination comprising: (a) a seat pedestal means; (b) a support tube fixedly mounted on said pedestal means; (c) a ring bearing means mounted around the support tube; (d) a seat support means mounted around said support tube; (e) means retaining said seat support means on said ring bearing means and on said support tube to prevent axial movement relative to said support tube and allow rotative movement about said support tube; (f) means for releasably locking said seat support means in a normal use position; (g) stop means for limiting a swiveling movement of the seat support means about the support tube; and, (h) anti-noise means mounted between said support tube and means for retaining said seat support means on the bearing means.
Claim 3
Dependent Claim
66 words
A rotatable seat support assembly as defined in claim 1, wherein said ring bearing means includes: (a) a lower bearing circular ring fixedly mounted on said seat pedestal means and surrounding said support tube; (b) an upper bearing circular ring fixedly mounted on said seat support means and surrounding said support tube; and, (c) a plurality of bearing members operatively mounted between said circular bearing rings.
Claim 4
Dependent Claim
24 words
A rotatable seat support assembly as defined in claim 2, including: (a) retainer plate means for retaining said bearing members in spaced apart positions.
Claim 5
Dependent Claim
33 words
A rotatable seat support assembly as defined in claim 2, wherein said seat support means includes: (a) a central plate mounted around said support tube and secured to said upper bearing circular ring.
Claim 6
Dependent Claim
33 words
A rotatable seat support assembly as defined in claim 4, wherein: (a) said means retaining said seat support means on the ring bearing means includes a stop plate attached to the support tube.
Claim 7
Dependent Claim
42 words
A rotatable seat support assembly as defined in claim 5, wherein: (a) said support tube is provided with a support plate mounted therein; and, (b) said anti-noise means is mounted in said support tube between said support plate and said stop plate.
Claim 8
Dependent Claim
24 words
A rotatable seat support assembly as defined in claim 6, including: (a) a wear plate mounted between said anti-noise means and said stop plate.
Claim 9
Dependent Claim
20 words
A rotatable seat support assembly as defined in claim 6, wherein: (a) said anti-noise means comprises a circular urethane insert.
Claim 10
Dependent Claim
36 words
A rotatable seat support assembly as defined in claim 6, wherein said stop means includes: (a) a stop member carried on said central plate; and, (b) a pair of stop shoulders formed on said stop plate.
Claim 11
Dependent Claim
128 words
A rotatable seat support assembly as defined in claim 6, wherein said means for releasably locking said seat support means in a normal position, includes: (a) an elongated shaft rotatably mounted on said seat support means and provided with an operating handle; (b) a locking cam fixed on said shaft and having a cam nose normally positioned in a slot formed through said stop plate; and, (c) means for normally biasing said shaft and locking cam into a releasable normal use position, with the cam nose seated in said slot in said stop plate, whereby when the shaft is rotated by the handle in a release direction, the cam nose is raised from said slot to allow swivelling movement of the seat support means about the support tube.
Claim 12
Dependent Claim
31 words
A rotatable seat support assembly as defined in claim 10, wherein: (a) said means for normally biasing said shaft and locking cam into the normal use position comprises a spring means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |