Patent US4325574A successfully refreshed from Google Patents.
US4325574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing bumper of a vehicle
Assignee: Toyota Motor Corp
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Filing: 1980-07-01
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Granted: 1982-04-20
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Expires: 2000-07-01
Abstract
Abstract A shock absorbing bumper adaptable for mounting onto the front and rear of a vehicle such as an automobile, the bumper comprising an elastic external member having sheathed therein a flexible core material and a decorative facing base provided on the front side of the external member. An elastic facing base having formed on its front side the elastic decorative facing is provided on its rear side with a plurality of hooks which fit into the corresponding holes formed in bottom portion of the recession of the external member and are engaged therein in such a way that they overhang their undercuts towards at least three ways to the edge of said corresponding holes.
Inventors
- 👤 Yoshiro Umemoto
- 👤 Yasuhiro Mishima
- 👤 Shuichiro Takao
- 👤 Kazunori Sawada
- 👤 Nobuo Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:12
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B60R19/22; B60R19/44; B60R19/445
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
158 words
A shock absorbing bumper of a vehicle, comprising: a flexible, elastic compressible core member having a front side and a rear side, and an elongated horizontal groove extending along the front side of said core member along the length thereof; an elastic external member overlying the front side of said core member and shaped to provide an elongated horizontal recess overlying said horizontal groove of said core member, said external member having a series of holes passing therethrough spaced along the length of said horizontal recess; and an elastic facing base having a rear wall and a front wall and shaped so that its said rear wall fits within said horizontal recess while its said front wall projects therefrom, said front wall carrying a decorative facing and said rear wall carrying a plurality of hooks interengaging with the holes of said horizontal recess, each of said hooks being provided with undercuts extending in at least three different directions.
Claim 2
Dependent Claim
158 words
A shock absorbing bumper of a vehicle, comprising: a flexible, elastic compressible core member having a front side and a rear side, and an elongated horizontal groove extending along the front side of said core member along the length thereof; an elastic external member overlying the front side of said core member and shaped to provide an elongated horizontal recess overlying said horizontal groove of said core member, said external member having a series of holes passing therethrough spaced along the length of said horizontal recess; and an elastic facing base having a rear wall and a front wall and shaped so that its said rear wall fits within said horizontal recess while its said front wall projects therefrom, said front wall carrying a decorative facing and said rear wall carrying a plurality of hooks interengaging with the holes of said horizontal recess, each of said hooks being provided with undercuts extending in at least three different directions.
Claim 3
Dependent Claim
25 words
A shock absorbing bumper of a vehicle according to claim 1, wherein said hooks are arrow-shaped in section and molded integral with said facing base.
Claim 4
Dependent Claim
39 words
A shock absorbing bumper of a vehicle according to claim 1, wherein said recess is curved backwardly on the corner portion of said external member where said elastic facing base is engaged by a hook to a corresponding hole.
Claim 5
Dependent Claim
28 words
A shock absorbing bumper of a vehicle according claim 1, wherein the angle of said undercut side to the back side of said facing base is about 30°˜70°.
Claim 6
Dependent Claim
24 words
A shock absorbing bumper of a vehicle according claim 1, wherein said undercut is molded directly from the back side of said facing base.
Claim 7
Dependent Claim
30 words
A shock absorbing bumper according to claim 1, wherein said undercuts of said hooks extend laterally and upwardly and downwardly to engage at least three edges of each respective hole.
Claim 8
Dependent Claim
232 words
A shock absorbing bumper for a motor vehicle, comprising: a flexible, polyurethane foam core member having a front side and a rear side, and an elongated horizontal groove extending along the front side of said core member along the length thereof; an elastomeric external sheet member overlying the front side of said core member and shaped to provide an elongated horizontal recess overlying said horizontal groove of said core member with the bottom of said recess being spaced from the bottom of said groove, said elastomeric external sheet member having a series of holes passing therethrough spaced along the length of said horizontal recess; and an elastic facing base formed of urethane elastomer and having a rear wall and a front wall, said elastic facing base being shaped so that its rear wall fits within said horizontal recess while its front wall projects therefrom, said front wall carrying a decorative facing and said rear wall carrying a plurality of hooks interengaging with the holes of said horizontal recess, each of said hooks being provided with undercuts extending in at least three different directions; said shock absorbing bumper being curved at its two ends with said groove, said recess and said elastic facing base being curved along with said core member, and at least one of said plurality of hooks interengaging with a corresponding hole being located along each of said curved portions.
Claim 9
Dependent Claim
232 words
A shock absorbing bumper for a motor vehicle, comprising: a flexible, polyurethane foam core member having a front side and a rear side, and an elongated horizontal groove extending along the front side of said core member along the length thereof; an elastomeric external sheet member overlying the front side of said core member and shaped to provide an elongated horizontal recess overlying said horizontal groove of said core member with the bottom of said recess being spaced from the bottom of said groove, said elastomeric external sheet member having a series of holes passing therethrough spaced along the length of said horizontal recess; and an elastic facing base formed of urethane elastomer and having a rear wall and a front wall, said elastic facing base being shaped so that its rear wall fits within said horizontal recess while its front wall projects therefrom, said front wall carrying a decorative facing and said rear wall carrying a plurality of hooks interengaging with the holes of said horizontal recess, each of said hooks being provided with undercuts extending in at least three different directions; said shock absorbing bumper being curved at its two ends with said groove, said recess and said elastic facing base being curved along with said core member, and at least one of said plurality of hooks interengaging with a corresponding hole being located along each of said curved portions.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-19 | 1985-10-19 | 1986-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-19 | 1989-10-19 | 1990-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-19 | 1993-10-19 | 1994-04-20 | $7700.00 | Window Closed / Lapsed |