Patent US4059313A successfully refreshed from Google Patents.
US4059313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track belt assembly
Assignee: Caterpillar Inc
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Filing: 1976-09-27
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Granted: 1977-11-22
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Expires: 1996-09-27
Abstract
Abstract A track belt assembly is disclosed which includes an elastomeric belt, a shoe externally mounted on the belt, a keeper member internally mounted on the belt, a threaded bolt, and a removable retaining device which is interlockingly associated with the keeper member for screw threadably receiving the bolt therein and allowing the shoe and keeper member to be drawn clampingly together and tightly to the belt.
Inventors
- 👤 Marvin E. Beyers
- 👤 Floyd S. Dadds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:13
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/26; B62D55/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
117 words
A track belt assembly comprising: an elastomeric belt having an opening therethrough; a shoe having an opening therethrough, said shoe being externally mounted on said belt; a keeper member having an aperture therethrough, said keeper being connected to said belt; a threaded bolt extending through said opening in said shoe; and an internally threaded retaining element removably connected to said keeper member, said retaining element being nonrotatably disposed in said aperture, screw threadably receiving said bolt therein, and allowing said shoe and said keeper member to be drawn clampingly together and tightly to said belt, said retaining element extending through said opening in said belt and maintaining a preselected spacing between said shoe and said keeper member.
Claim 2
Dependent Claim
117 words
A track belt assembly comprising: an elastomeric belt having an opening therethrough; a shoe having an opening therethrough, said shoe being externally mounted on said belt; a keeper member having an aperture therethrough, said keeper being connected to said belt; a threaded bolt extending through said opening in said shoe; and an internally threaded retaining element removably connected to said keeper member, said retaining element being nonrotatably disposed in said aperture, screw threadably receiving said bolt therein, and allowing said shoe and said keeper member to be drawn clampingly together and tightly to said belt, said retaining element extending through said opening in said belt and maintaining a preselected spacing between said shoe and said keeper member.
Claim 3
Dependent Claim
32 words
The track belt assembly of claim 1 wherein said retaining element has a locking portion and a juxtaposed overlapping flange portion, said flange portion making load bearing engagement with said keeper member.
Claim 4
Dependent Claim
15 words
The track belt assembly of claim 2 wherein said locking portion is of hexagonal construction.
Claim 5
Dependent Claim
47 words
The track belt assembly of claim 1 wherein said retaining element has an overlapping flange portion and an inner end surface spaced a predetermined distance apart for defining said preselected spacing and thereby a predetermined compressive preload of said belt between said shoe and said keeper member.
Claim 6
Dependent Claim
27 words
The track belt assembly of claim 2 wherein said aperture of said keeper member and said locking portion of said retaining element are of interlocking polygonal construction.
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) | 1980-11-21 | 1981-05-23 | 1981-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-21 | 1985-05-23 | 1985-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-21 | 1989-05-23 | 1989-11-22 | $7700.00 | Window Closed / Lapsed |