US3899219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning sprocket means
Assignee: Caterpillar Inc
•
Filing: 1974-05-28
•
Granted: 1975-08-12
•
Expires: 1994-05-28
Abstract
Abstract A vehicle includes a sprocket member and an endless traction chain engaged therewith, the sprocket member being made up of an annular sprocket and detachable toothed segments, such sprocket being provided with openings in communication with openings provided in the segments. Such openings provide that the sprocket member is self-cleaning, with debris passing through the openings outwardly of the sprocket member.
Inventors
- 👤 Roger L Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:32
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/62; B60S1/66; B60S1/68; Y; Y10; Y10S; Y10S474/00; Y10S474/901
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
122 words
A tractor having a sprocket member and an endless traction chain cooperatively engaged with said sprocket member, said sprocket member comprising a sprocket hub; sprocket tooth defining means defining a plurality of spacedapart first flanges defining a plurality of first open portions; the sprocket hub defining a plurality of spaced-apart second flanges defining a plurality of second open portions, said sprocket tooth defining means being positionable relative to said sprocket hub so that said second open portions are positioned adjacent said first open portions and communicate therewith; and means for detachably securingly interconnecting said sprocket tooth defining means relative to said sprocket hub with the second open portions in communication with the first open portions; whereby said sprocket member provides self-cleaning means.
Claim 2
Dependent Claim
122 words
A tractor having a sprocket member and an endless traction chain cooperatively engaged with said sprocket member, said sprocket member comprising a sprocket hub; sprocket tooth defining means defining a plurality of spacedapart first flanges defining a plurality of first open portions; the sprocket hub defining a plurality of spaced-apart second flanges defining a plurality of second open portions, said sprocket tooth defining means being positionable relative to said sprocket hub so that said second open portions are positioned adjacent said first open portions and communicate therewith; and means for detachably securingly interconnecting said sprocket tooth defining means relative to said sprocket hub with the second open portions in communication with the first open portions; whereby said sprocket member provides self-cleaning means.
Claim 3
Dependent Claim
27 words
The apparatus of claim 1 wherein said sprocket tooth defining means comprise a plurality of generally arcuate segments disposed end-to-end on one side of the sprocket hub.
Claim 4
Dependent Claim
38 words
The apparatus of claim 2 wherein said sprocket tooth defining means further comprise a second plurality of generally arcuate segments disposed end-to-end on the other side of the sprocket hub, and spaced from said first-mentioned plurality of segments.
Claim 5
Dependent Claim
32 words
The apparatus of claim 2 wherein the means for detachably interconnecting the sprocket tooth defining means to the sprocket hub comprise means for detachably interconnecting the first flanges to the second flanges.
Claim 6
Dependent Claim
39 words
The apparatus of claim 4 wherein the means for detachably interconnecting the first flanges to the second flanges comprisE bolt means disposed through bores defined by the first and second flanges, and nut means associated with said bolt means.
References Cited (Backward Citations)
US301743A
Cited
US1201748A
Cited
US2599233A
Cited
US3068711A
Cited
US3120409A
Cited
US3486574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |