US4509792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated seat
Assignee: Individual
•
Filing: 1983-04-12
•
Granted: 1985-04-09
•
Expires: 2003-04-12
Abstract
Abstract A ventilation seat substantially includes a housing with a lateral wall having passages for air ventilation, a fan which is adapted to be driven by a motor and rotatably mounted in the housing, and a seat member mounted on the housing. By means of providing a plurality of holes at the seat member in communication with the inside of the housing, cool air reaches the thighs, hip, sides, back and front parts of a person on the seat.
Inventors
- 👤 Yen-Hsiung Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:54
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/62; A47C7/72; A47C7/74
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
96 words
A ventilated seat substantially comprising: a housing including a lateral wall having passages extending therethrough for air ventilation; a fan rotatably mounted in said housing and being adapted to be driven by a motor; and a seat member mounted on said housing and having a top surface; wherein the top surface of said seat member is provided with a plurality of holes which communicate with the inside of said housing, and the top surface of said seat member is provided with a plurality of annular grooves, and said holes communicate with the bottom of said grooves.
Claim 2
Dependent Claim
96 words
A ventilated seat substantially comprising: a housing including a lateral wall having passages extending therethrough for air ventilation; a fan rotatably mounted in said housing and being adapted to be driven by a motor; and a seat member mounted on said housing and having a top surface; wherein the top surface of said seat member is provided with a plurality of holes which communicate with the inside of said housing, and the top surface of said seat member is provided with a plurality of annular grooves, and said holes communicate with the bottom of said grooves.
Claim 3
Dependent Claim
18 words
A ventilation seat according to claim 1, wherein said seat member is a truncated cone which diverges upwardly.
Claim 4
Dependent Claim
15 words
A ventilation seat according to claim 1, wherein said seat member is a flat piece.
Claim 5
Dependent Claim
21 words
A ventilation seat according to claim 3, wherein said seat member further provides a plurality of arc-bores for passing more air.
Claim 6
Dependent Claim
51 words
A ventilation seat according to claim 3, wherein said lateral wall has a plurality of upper annular vanes for guiding the air out of said housing and a plurality of lower vanes for guiding the air into said housing, characterized in that said upper vanes are gradually downwardly narrower in breadth.
Claim 7
Dependent Claim
41 words
A ventilated seat according to claim 1, further comprising a back, said back being a hollow member which communicates with the inside of said housing and has a plurality of holes at the front side thereof to transmit the air therefrom.
Claim 8
Dependent Claim
29 words
A drafty seat according to claim 6, wherein the upper portion of the lateral wall has a vane and a circular thin plate which is broader than said vane.
References Cited (Backward Citations)
US800458A
Cited
FR429326A
Cited
DE265435C
Cited
US2144631A
Cited
US2372830A
Cited
US2826135A
Cited
US2829635A
Cited
US3137523A
Cited
US4134615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |