US3610609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deformable shock-absorbing guard
Assignee: Individual
•
Filing: 1969-01-21
•
Granted: 1971-10-05
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Expires: 1989-01-21
Abstract
Abstract Devices for vehicles or the like to reduce shock of collision by utilizing energy absorbing material which compresses under the force of impact of collision offering increased resistance and effecting gradual momentum deceleration of the moving vehicle as it is being compressed.
Inventors
- 👤 Leonard H Sobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:39
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/44; B60R19/46; B60R19/24; B60R19/26; B60R19/32
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
56 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, and means sequentially mounting said materials; said rigid crushable mAterial being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible compressible material having a protracted return after forces of said impact have been released.
Claim 2
Dependent Claim
56 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, and means sequentially mounting said materials; said rigid crushable mAterial being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible compressible material having a protracted return after forces of said impact have been released.
Claim 3
Dependent Claim
16 words
Crash guard according to claim 1, said rigid crushable cellular material being substantially crystalline in structure.
Claim 4
Dependent Claim
11 words
Crash guard according to claim 1, said materials comprising foam plastic.
Claim 5
Dependent Claim
23 words
Crash guard according to claim 1, and a pressure plate interposed between said rigid crushable cellular material and said flexible compressible cellular material.
Claim 6
Dependent Claim
34 words
Crash guard according to claim 1, said rigid crushable cellular and flexible compressible cellular materials comprising a plurality of members disposed in side-by-side relation, at least some of said members progressively varying in density.
Claim 7
Dependent Claim
20 words
Crash guard according to claim 1, said rigid crushable cellular material of said sequentially mounted materials being replaceable after impact.
Claim 8
Dependent Claim
19 words
Crash guard according to claim 1, said rigid crushable cellular material comprising a plurality of members having different densities.
Claim 9
Dependent Claim
23 words
Crash guard according to claim 7, and rigid impact-receiving means for distributing an impact load substantially over the area of said cellular materials.
Claim 10
Dependent Claim
16 words
Crash guard according to claim 8, said rigid impact-receiving means being mounted for universal angular movement.
Claim 11
Dependent Claim
17 words
Crash guard according to claim 7, and a pressure plate interposed between adjacent rigid crushable cellular members.
Claim 12
Dependent Claim
19 words
Crash guard according to claim 1, said flexible compressible cellular material comprising a plurality of members having different densities.
Claim 13
Dependent Claim
23 words
Crash guard according to claim 11, and rigid impact-receiving means for distributing an impact load substantially over the area of said cellular materials.
Claim 14
Dependent Claim
16 words
Crash guard according to claim 12, said rigid impact-receiving means being mounted for universal angular movement.
Claim 15
Dependent Claim
17 words
Crash guard according to claim 11, and a pressure plate interposed between adjacent flexible compressible cellular members.
Claim 16
Dependent Claim
71 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact; said flexible material having a protracted return after forces of said impact have been released; and rigid impact-receiving means for distributing an impact load substantially over the area of said cellular materials.
Claim 17
Dependent Claim
71 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact; said flexible material having a protracted return after forces of said impact have been released; and rigid impact-receiving means for distributing an impact load substantially over the area of said cellular materials.
Claim 18
Dependent Claim
16 words
Crash guard according to claim 15, said rigid impact-receiving means being mounted for universal angular movement.
Claim 19
Dependent Claim
85 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible material having a protracted return after forces of said impact have been released; and an expandable and retractable pleated housing substantially covering said materials, said housing when in expanded condition yielding with said materials during said impact and retaining said materials after said impact.
Claim 20
Dependent Claim
85 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible material having a protracted return after forces of said impact have been released; and an expandable and retractable pleated housing substantially covering said materials, said housing when in expanded condition yielding with said materials during said impact and retaining said materials after said impact.
Claim 21
Dependent Claim
65 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible material having a protracted return after forces of said impact have been released; and a flexible housing, said material being contained within said housing.
Claim 22
Dependent Claim
65 words
Crash guard comprising rigid crushable cellular material, flexible compressible cellular material, means sequentially mounting said materials; said rigid crushable material being substantially destroyed during an impact to absorb energy and said flexible compressible material being compressed during said impact, said flexible material having a protracted return after forces of said impact have been released; and a flexible housing, said material being contained within said housing.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |