US3927907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile bumper
Assignee: Individual
•
Filing: 1974-07-19
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Granted: 1975-12-23
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Expires: 1994-07-19
Abstract
Abstract A bumper for motor vehicles including a strip of resilient material, such as a rubber or polyurethane material attached to and protruding forward from a bumper member constructed from a more rigid material such as steel. A pair of leaf springs are attached to the bumper member and to the frame of the motor vehicle. The leaf springs may be constructed into an arch shape. Furthermore a resilient cushion member may be secured between the leaf springs and the bumper member within the space defined by the arch.
Inventors
- 👤 Francis J Bialek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:10
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/18; F16F1/26; B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/26; B60R19/44; B60R19/445
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
276 words
A bumper for attaching to the frame of moving vehicles comprising: a bumper bar constructed of a rigid material extending across the width of the vehicle and including outer ends; a first spring means and a second spring means, each of said spring means having a substantially ''''U'''' shape and including a hump portion between a pair of outer feet; the pair of feet of said first spring means being attached to one of the ends of said bumper bar so that said first spring means extends inward therefrom, and the pair of feet of said second spring means being attached to the other end of said bumper bar so that said second spring means also extends inward therefrom; said first and second spring means including a plurality of leaf springs laminated one on back of the other; a first and second hollow member each including a front side and a rear side, each of said plurality of leaf springs passing through one of said hollow members so that said hump portion of the corresponding spring means is positioned in the hollow member, each of said hollow members being attached to the frame at the rear side thereof for securing said hump portion of the corresponding spring means to the frame; a first cushioning means attached to the front side of the first hollow member and extending forward thereof spaced from the bumper bar and between the feet of said first spring means; and a second cushioning means attached to the front side of the second hollow member and extending forward thereof spaced from the bumper bar and between the feet of said second spring means.
Claim 2
Dependent Claim
276 words
A bumper for attaching to the frame of moving vehicles comprising: a bumper bar constructed of a rigid material extending across the width of the vehicle and including outer ends; a first spring means and a second spring means, each of said spring means having a substantially ''''U'''' shape and including a hump portion between a pair of outer feet; the pair of feet of said first spring means being attached to one of the ends of said bumper bar so that said first spring means extends inward therefrom, and the pair of feet of said second spring means being attached to the other end of said bumper bar so that said second spring means also extends inward therefrom; said first and second spring means including a plurality of leaf springs laminated one on back of the other; a first and second hollow member each including a front side and a rear side, each of said plurality of leaf springs passing through one of said hollow members so that said hump portion of the corresponding spring means is positioned in the hollow member, each of said hollow members being attached to the frame at the rear side thereof for securing said hump portion of the corresponding spring means to the frame; a first cushioning means attached to the front side of the first hollow member and extending forward thereof spaced from the bumper bar and between the feet of said first spring means; and a second cushioning means attached to the front side of the second hollow member and extending forward thereof spaced from the bumper bar and between the feet of said second spring means.
Claim 3
Dependent Claim
48 words
The bumper of claim 1 further includes: a strip of resilient material extending longitudinally across the length of the bumper bar and secured to the front side of the bumper bar and protruding forward therefrom, said spring means being attached to the rear side of the bumper bar.
References Cited (Backward Citations)
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Cited
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US1302279A
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US1571713A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |