US3829803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seating detecting device
Assignee: Tokai Rika Co Ltd
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Filing: 1973-12-10
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Granted: 1974-08-13
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Expires: 1993-12-10
Abstract
Abstract A seating detecting device comprising a pressure receiving member of synthetic resin, a bracket of synthetic resin, a permanent magnet mounted in the pressure receiving member, and a magnetically actuated switch mounted in the bracket. The device is simple in construction, inexpensive and mechanically strong and can be very easily mounted on the seat spring in the seat of vehicles.
Inventors
- 👤 T Maeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/003; B; B60; B60N; B60N2/00; B60N2/002; B60N2/0021; B60N2/003; B60N2/0032; B60N2/70; B60N2/7094; H01H36/00; H01H36/0006; H01H36/0033; B60N2210/00; B60N2210/40; B60N2230/00; B60N2230/10; H01H3/00; H01H3/02; H01H3/14; H01H3/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A seating detecting device comprising a bracket including a substantially disc-shaped head portion, a cavity formed in the central portion of said head portion, a neck portion extending integrally from said head portion and having a space formed therearound for receiving portions of a seat spring used in the seat of a vehicle therein, a relatively large flange portion extending integrally from said neck portion, and a holding member projecting from the lower surface of said head portion for grasping a portion of the seat spring; a substantially discshaped pressure receiving member having a rim extending from the outer peripheral end edge thereof for fitting on said head portion of said bracket, said pressure receiving member being provided with a central recess; a magnetically actuated switch mounted in said cavity formed in said head portion of said bracket; a permanent magnet mounted in said central recess of said pressure receiving member opposite to said magnetically actuated switch; and a coil spring interposed between said pressure receiving member and said head portion of said bracket.
Claim 2
Dependent Claim
174 words
A seating detecting device comprising a bracket including a substantially disc-shaped head portion, a cavity formed in the central portion of said head portion, a neck portion extending integrally from said head portion and having a space formed therearound for receiving portions of a seat spring used in the seat of a vehicle therein, a relatively large flange portion extending integrally from said neck portion, and a holding member projecting from the lower surface of said head portion for grasping a portion of the seat spring; a substantially discshaped pressure receiving member having a rim extending from the outer peripheral end edge thereof for fitting on said head portion of said bracket, said pressure receiving member being provided with a central recess; a magnetically actuated switch mounted in said cavity formed in said head portion of said bracket; a permanent magnet mounted in said central recess of said pressure receiving member opposite to said magnetically actuated switch; and a coil spring interposed between said pressure receiving member and said head portion of said bracket.
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |