US4350378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper for use on vehicles
Assignee: Aisin Corp
•
Filing: 1980-08-22
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Granted: 1982-09-21
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Expires: 2000-08-22
Abstract
Abstract A bumper for vehicles includes a rim, a foamed plastic form positioned within the rim for absorbing shock, a reinforcement member for reinforcing the plastic form, and at least one extended portion defined by the reinforcement member and projecting into the plastic form to integrally join the foamed plastic form and the reinforcement member.
Inventors
- 👤 Fumio Wakamatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:42
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B60R2019/1806; B60R2019/1813; B60R2019/186; B60R2019/1873; B60R2019/1886
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
118 words
A bumper for vehicles comprising: a rim member formed from setting of molten material as a result of a molding operation, a foamed urethane form positioned within said rim member to absorb shocks to which the bumper may be subjected, and a reinforcement member to reinforce the bumper positioned rearwardly of said foamed urethane form and affixed to said rim member when the latter is formed, said reinforcement member having at least one extended portion which projects into said foamed urethane form and defining apertures through which the molten material is poured to form said rim member, whereby said foamed urethane form and said reinforcement member are integrally fixed to each other upon setting of the molten material.
Claim 2
Dependent Claim
118 words
A bumper for vehicles comprising: a rim member formed from setting of molten material as a result of a molding operation, a foamed urethane form positioned within said rim member to absorb shocks to which the bumper may be subjected, and a reinforcement member to reinforce the bumper positioned rearwardly of said foamed urethane form and affixed to said rim member when the latter is formed, said reinforcement member having at least one extended portion which projects into said foamed urethane form and defining apertures through which the molten material is poured to form said rim member, whereby said foamed urethane form and said reinforcement member are integrally fixed to each other upon setting of the molten material.
Claim 3
Dependent Claim
23 words
A bumper for vehicles of the type set forth in claim 1 wherein said at least one extended portion comprises a flange-shaped portion.
Claim 4
Dependent Claim
23 words
A bumper for vehicles of the type set forth in claim 1 wherein said at least one extended portion comprises a bended portion.
Claim 5
Dependent Claim
23 words
A bumper for vehicles of the type set forth in claim 1 wherein said at least one extended portion comprises a spherical portion.
Claim 6
Dependent Claim
23 words
A bumper for vehicles of the type set forth in claim 1 wherein said at least one extended portion comprises a T-shaped portion.
Claim 7
Dependent Claim
27 words
A bumper for vehicles of the type set forth in claim 1 wherein there is a first T-shaped extended portion and a second spherical shape extended portion.
References Cited (Backward Citations)
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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) | 1985-09-20 | 1986-03-22 | 1986-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-09-20 | 1990-03-22 | 1990-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-09-20 | 1994-03-22 | 1994-09-21 | $7700.00 | Window Closed / Lapsed |