Patent US5078439A successfully refreshed from Google Patents.
US5078439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper assembly for vehicles
Assignee: Aisin Keikinzoku Co Ltd
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Filing: 1990-09-18
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Granted: 1992-01-07
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Expires: 2010-09-18
Abstract
Abstract An automotive vehicle bumper assembly includes a pair of side members constituting part of a vehicle body, a bumper reinforcement supported on the side members and extending transversely of the vehicle body, and an energy absorber arranged on a front surface of the bumper reinforcement. The bumper reinforcement has a rectangular cross section, upper and lower walls, and an intermediate wall connecting the upper and lower walls.
Inventors
- 👤 Haruhiko Terada
- 👤 Shinichi Haneda
- 👤 Kenji Ono
- 👤 Kiyohito Gyobu
- 👤 Kazunari Azuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B60R19/24; B60R2019/1806; B60R2019/1813; B60R2019/182; B60R2019/242
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
131 words
A bumper assembly for an automotive vehicle, comprising: a pair of side members constituting part of an automotive vehicle body; a bumper reinforcement supported on said side members and extending transversely of the vehicle body, said bumper reinforcement having a front surface; and an energy absorber arranged on the front surface of said bumper reinforcement; said bumper reinforcement comprising a one-piece hollow member of uniform rectangular cross section throughout the length thereof and having upper and lower walls, front and rear walls joining with said upper and lower walls, and an intermediate wall disposed between said front and rear walls to join with and connect said upper and lower walls, said intermediate wall extending in parallel relation to said front and rear walls for the full length of said one-piece member.
Claim 2
Dependent Claim
131 words
A bumper assembly for an automotive vehicle, comprising: a pair of side members constituting part of an automotive vehicle body; a bumper reinforcement supported on said side members and extending transversely of the vehicle body, said bumper reinforcement having a front surface; and an energy absorber arranged on the front surface of said bumper reinforcement; said bumper reinforcement comprising a one-piece hollow member of uniform rectangular cross section throughout the length thereof and having upper and lower walls, front and rear walls joining with said upper and lower walls, and an intermediate wall disposed between said front and rear walls to join with and connect said upper and lower walls, said intermediate wall extending in parallel relation to said front and rear walls for the full length of said one-piece member.
Claim 3
Dependent Claim
22 words
The bumper assembly according to claim 1, wherein said intermediate wall is situated closer to said rear wall than said front wall.
Claim 4
Dependent Claim
22 words
The bumper assembly according to claim 1, wherein said intermediate wall is situated closer to said front wall than said rear wall.
Claim 5
Dependent Claim
15 words
The bumper assembly according to claim 1, wherein said bumper reinforcement comprises extrusion-molded aluminum alloy.
Claim 6
Dependent Claim
20 words
The bumper assembly according to claim 4, wherein said bumper reinforcement has a front-to-back dimension less than a top-to-bottom dimension.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-06 | 1995-07-08 | 1996-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-06 | 1999-07-08 | 2000-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-06 | 2003-07-08 | 2004-01-07 | $7700.00 | Window Closed / Lapsed |