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US4101091A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle safety belt apparatus

Assignee: Volkswagen AG
•
Filing: 1976-05-20
•
Granted: 1978-07-18
•
Expires: 1996-05-20
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Abstract

Abstract A vehicle safety belt, which is mounted to an automatic winding device is provided with increased longitudinal rigidity in the region of the winding device, which tends to reduce the spring force of the winding device applied to the passenger when the safety belt is used.

Inventors

  • 👤 Gunter Breitfeld

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 11:47
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/18; B60R22/19

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 111 words
In a vehicle safety belt apparatus, including a safety belt winding device, having a spring activated roller for retracting a safety belt, and a safety belt, mounted on said roller and having a first belt portion comprising at least the portion of said safety belt remaining on said roller when said safety belt is applied to a vehicle occupant and a second belt portion comprising the remainder of said belt, said first belt portion having a greater longitudinal rigidity than said second belt portion, the improvement wherein the belt material forming said first belt portion is itself substantially non-resilent and more rigid than the belt material forming said second belt portion.
Claim 2
Dependent Claim 111 words
In a vehicle safety belt apparatus, including a safety belt winding device, having a spring activated roller for retracting a safety belt, and a safety belt, mounted on said roller and having a first belt portion comprising at least the portion of said safety belt remaining on said roller when said safety belt is applied to a vehicle occupant and a second belt portion comprising the remainder of said belt, said first belt portion having a greater longitudinal rigidity than said second belt portion, the improvement wherein the belt material forming said first belt portion is itself substantially non-resilent and more rigid than the belt material forming said second belt portion.
Claim 3
Dependent Claim 25 words
A vehicle safety belt apparatus as specified in claim 1 wherein said first portion comprises approximately 25 percent of the total length of said belt.
Claim 4
Dependent Claim 25 words
A vehicle safety belt apparatus as specified in claim 1 wherein the rigidity of said first portion is increased by impregnating said belt with plastic.
Claim 5
Dependent Claim 17 words
A vehicle safety belt apparatus as specified in claim 3 wherein said plastic comprises a synthetic resin.

References Cited (Backward Citations)

US3343623A Cited
DE1479711A1 Cited
US3529865A Cited
US3462192A Cited
US3819197A Cited
US3957222A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-07-17 1982-01-16 1982-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-17 1986-01-16 1986-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-17 1990-01-16 1990-07-18 $7700.00 Window Closed / Lapsed

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