Patent US2337509A successfully refreshed from Google Patents.
US4208151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yard roller
Assignee: Individual
•
Filing: 1978-11-16
•
Granted: 1980-06-17
•
Expires: 1998-11-16
Abstract
Abstract A yard roller having a frame traversable over ground to be rolled by a drum rotatably mounted on the frame and arranged engaging ground over which the frame traverses. A power unit is mounted on the frame and connected to the drum for rotating the drum and moving the frame together with the drum.
Inventors
- 👤 Andrew C. Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:25
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/26; E01C19/262; A; A01; A01G; A01G20/00; A01G20/30; A01G20/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
260 words
A yard roller, comprising, in combination: (a) a frame transversable over ground to be rolled, said frame including a U-shaped element having a web and a pair of spaced, substantially parallel, coextensive legs extending from the web toward and terminating at ends forming an open end area of the element, a platform extending from the web of the element, and a cross-bar disposed extending between and connected to the legs of the element, the bar supporting the platform in cooperation with the web of the element, a caster wheel swivel mounted at the web of the U-shaped element centrally of the legs of the element for cooperating with the drum to form a traversing support for the U-shaped element; (b) a drum rotatably mounted on the frame and arranged extending between the legs at the ends of the legs for bridging the open end area of the U-shaped element and engaging ground over which the frame traverses; (c) power means including an engine mounted on the platform, a gear box also mounted on the platform and connected to the engine, and a drive train connected to the gear box and the drum for causing the engine to rotate the drum and propel the frame, the cross-bar being journaled on the legs of the U-shaped element and forming the output shaft of the gear box, the cross-bar being connected to the drive train for actuating same; and (d) a handle pivotally mounted on the platform adjacent the web of the U-shaped element and arranged extending away from the drum and frame.
Claim 2
Dependent Claim
260 words
A yard roller, comprising, in combination: (a) a frame transversable over ground to be rolled, said frame including a U-shaped element having a web and a pair of spaced, substantially parallel, coextensive legs extending from the web toward and terminating at ends forming an open end area of the element, a platform extending from the web of the element, and a cross-bar disposed extending between and connected to the legs of the element, the bar supporting the platform in cooperation with the web of the element, a caster wheel swivel mounted at the web of the U-shaped element centrally of the legs of the element for cooperating with the drum to form a traversing support for the U-shaped element; (b) a drum rotatably mounted on the frame and arranged extending between the legs at the ends of the legs for bridging the open end area of the U-shaped element and engaging ground over which the frame traverses; (c) power means including an engine mounted on the platform, a gear box also mounted on the platform and connected to the engine, and a drive train connected to the gear box and the drum for causing the engine to rotate the drum and propel the frame, the cross-bar being journaled on the legs of the U-shaped element and forming the output shaft of the gear box, the cross-bar being connected to the drive train for actuating same; and (d) a handle pivotally mounted on the platform adjacent the web of the U-shaped element and arranged extending away from the drum and frame.
References Cited (Backward Citations)
US1246696A
Cited
US1811394A
Cited
US2133173A
Cited
US2096911A
Cited
US3120159A
Cited
US3422735A
Cited
US3547014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-06-17 | 1983-12-17 | 1984-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-17 | 1987-12-17 | 1988-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-17 | 1991-12-17 | 1992-06-17 | $7700.00 | Window Closed / Lapsed |