Patent US4081937A successfully refreshed from Google Patents.
US4081937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle sun-shade
Assignee: Individual
•
Filing: 1976-09-28
•
Granted: 1978-04-04
•
Expires: 1996-09-28
Abstract
Abstract A vehicle sun-shade of the louvre type formed from plastic wherein sagging due to high temperature imparted to the plastic is reduced by the use of a spacer rod passing through bushes in which it is frictionally engaged, the bushes being in the louvres and between their ends.
Inventors
- 👤 Kevin Errol Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:46
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60J1/2011; B60J1/2088
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
A vehicle sun-shade of the louvre type which is attachable over the rear vision window of a motor vehicle, comprising: a sheet of polymeric material having a surround, attachment means extending outwardly of the surround, and a plurality of louvres inclined to the general plane of the surround; a series of aligned apertures in respective said louvres between their ends; a plurality of bushes each engaging a respective said aperture, said bushes being of polymeric material; and a spacer rod also comprising polymeric material extending through said bushes and frictionally engaging each of the bushes with an interference fit, the alignment of apertures being in such direction that the spacer rod extends substantially at right angles to the general direction of the louvres.
Claim 2
Dependent Claim
123 words
A vehicle sun-shade of the louvre type which is attachable over the rear vision window of a motor vehicle, comprising: a sheet of polymeric material having a surround, attachment means extending outwardly of the surround, and a plurality of louvres inclined to the general plane of the surround; a series of aligned apertures in respective said louvres between their ends; a plurality of bushes each engaging a respective said aperture, said bushes being of polymeric material; and a spacer rod also comprising polymeric material extending through said bushes and frictionally engaging each of the bushes with an interference fit, the alignment of apertures being in such direction that the spacer rod extends substantially at right angles to the general direction of the louvres.
Claim 3
Dependent Claim
43 words
A vehicle sun-shade according to claim 1 wherein each louvre has a land containing a said aperture, the land being (a) in a deformed portion of the louvre, (b) parallel to lands in other louvres, and (c) at right angles to said rod.
Claim 4
Dependent Claim
55 words
A vehicle sun-shade according to claim 2 wherein said surround has further lands each containing an aperture aligned with said louvre apertures, each said further land also being at right angles to said rod, and a further bush in each respective surround aperture, said rod also frictionally engaging said further bushes with an interference fit.
Claim 5
Dependent Claim
53 words
A vehicle sun-shade according to claim 1 including a plurality of said series of aligned apertures each containing a respective said bush, and a corresponding series of spacer rods of polymeric material, each extending through the bushes of a respective said series of apertures and frictionally engaging those bushes with an interference fit.
Claim 6
Dependent Claim
18 words
A vehicle sun-shade according to claim 1 wherein the edge of each louvre comprises a shallow stiffening flange.
References Cited (Backward Citations)
US2759413A
Cited
US2757040A
Cited
US2807062A
Cited
US3221636A
Cited
GB1179748A
Cited
US3818667A
Cited
DE2361669A1
Cited
CH561831A5
Cited
US3868803A
Cited
DE2407456A1
Cited
US3977143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |