US3632134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rollover protective structure for tractors
Assignee: Caterpillar Inc
•
Filing: 1969-09-04
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Granted: 1972-01-04
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Expires: 1989-09-04
Abstract
Abstract This rollover protective structure is fabricated of tubular members welded to specially designed castings which form the corners of a framelike structure and eliminate corner failures which occur in many such structures.
Inventors
- 👤 John H Babbitt Jr
- 👤 Richard L Bell
- 👤 Edwin L Riedesel
- 👤 Sheldon L Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:08
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/11; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
85 words
A vehicle rollover protective structure having an integrated corner assembly comprising: a vertical member, a longitudinal member, a transverse member, a longitudinal axis of each of said members positioned to intersect a longitudinal axis of each of said other members, and means securing adjacent ends of all of said members together comprising a Y-shaped member having an intermediate portion secured to opposed ends of said vertical and transverse members and a tongue portion secured to a side of each of said vertical and transverse members.
Claim 2
Dependent Claim
85 words
A vehicle rollover protective structure having an integrated corner assembly comprising: a vertical member, a longitudinal member, a transverse member, a longitudinal axis of each of said members positioned to intersect a longitudinal axis of each of said other members, and means securing adjacent ends of all of said members together comprising a Y-shaped member having an intermediate portion secured to opposed ends of said vertical and transverse members and a tongue portion secured to a side of each of said vertical and transverse members.
Claim 3
Dependent Claim
39 words
The invention of claim 1 wherein said means further comprises a three-arm member having a tubular portion secured directly to an end of said longitudinal member and a tongue portion secured to each of said vertical and transverse members.
Claim 4
Dependent Claim
35 words
The invention of claim 2 wherein the longitudinal axis of each of said vertical, longitudinal and transverse members is disposed at substantially a 90* angle with the longitudinal axis of each of said other members.
Claim 5
Dependent Claim
15 words
The invention of claim 2 wherein the tongue portions of said three-arm member are coplanar.
Claim 6
Dependent Claim
23 words
The invention of claim 2 wherein the tongue portions of said three-arm member taper toward their ends to permit flexing of their ends.
Claim 7
Dependent Claim
23 words
The invention of claim 2 wherein a longitudinal axis of said longitudinal member is substantially parallel to a longitudinal axis of the vehicle.
Claim 8
Dependent Claim
23 words
The invention of claim 1 wherein the tongue portions of said Y-shaped member are longer than the tongue portions of said three-arm member.
Claim 9
Dependent Claim
37 words
The invention of claim 2 wherein the Y-shaped member is welded to the vertical member and the transverse member and the three-arm member is welded to the vertical member and the transverse member and the longitudinal member.
Claim 10
Dependent Claim
23 words
The invention of claim 1 wherein the tongue portions of said Y-shaped member taper toward their ends to permit flexing of their ends.
Claim 11
Dependent Claim
52 words
The invention of claim 1 wherein the vertical member is clamped at its lower end by L-shaped clamp members at least one of which has a lip which projects under the vertical member, and wherein the vertical member has a depending lip which projects under at least one of said clamp members.
References Cited (Backward Citations)
US781068A
Cited
US2208227A
Cited
US2364083A
Cited
US2895224A
Cited
US3244251A
Cited
US3357727A
Cited
CH443013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |