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US4290628A Expired / Lapsed US ⏱️ 0.0 years remaining

Passive seat belt equipment

Assignee: Nissan Motor Co Ltd
•
Filing: 1979-12-07
•
Granted: 1981-09-22
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Expires: 1999-12-07
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Abstract

Abstract A passive seat belt equipment for a motor car comprises a lap belt stretched between one end coupled with a retractor mounted inside of a rear bottom portion of a door and the other end fixed on a rear top portion of the door through a ring engaged with a buckle fitted on a central portion of a floor, and an auxiliary belt stretched between one end connected with another ring though which the lap belt is stretched and the other end coupled with the retractor through a slit formed on the top portion of the door. As a result thereof, the lap belt which is loosened as the door is opened is lifted up automatically by the ring engaged with the auxiliary belt which is wound up as the door is opened, so as to facilitate getting in and out of the car.

Inventors

  • 👤 Hiroo Okuyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 08:35
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/04

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 168 words
a passive seat belt equipment for a vehicle comprising; a buckle to be connected to a central portion of a floor or to a seat of the vehicle, a lap belt which is stretched between one end thereof coupled with a retractor to be installed inside of a rear bottom portion of a door of the vehicle and the other end thereof to be fixed on a rear top portion of the door through a ring having a tang which is coupled with said buckle, an auxiliary belt which is stretched between one end thereof connected with a through ring through which said lap belt is stretched and the other end thereof coupled with a winding member to be installed inside of the door through a slit formed on the door above said retractor, and a transmission means which is interposed between said retractor and said winding member so as to force said winding member to do reverse action against the winding and rewinding of said retractor respectively.
Claim 2
Dependent Claim 168 words
a passive seat belt equipment for a vehicle comprising; a buckle to be connected to a central portion of a floor or to a seat of the vehicle, a lap belt which is stretched between one end thereof coupled with a retractor to be installed inside of a rear bottom portion of a door of the vehicle and the other end thereof to be fixed on a rear top portion of the door through a ring having a tang which is coupled with said buckle, an auxiliary belt which is stretched between one end thereof connected with a through ring through which said lap belt is stretched and the other end thereof coupled with a winding member to be installed inside of the door through a slit formed on the door above said retractor, and a transmission means which is interposed between said retractor and said winding member so as to force said winding member to do reverse action against the winding and rewinding of said retractor respectively.
Claim 3
Dependent Claim 20 words
A passive seat belt equipment as claimed in claim 1, wherein said transmission means consists of a combination of gears.

References Cited (Backward Citations)

US3679229A Cited
US3915473A Cited
US3754776A Cited
US4168850A Cited
US4201401A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-09-21 1985-03-23 1985-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-09-21 1989-03-23 1989-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-09-21 1993-03-23 1993-09-22 $7700.00 Window Closed / Lapsed

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