Patent US3845796A successfully refreshed from Google Patents.
US3845796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Root cutter
Assignee: Individual
•
Filing: 1973-06-14
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Granted: 1974-11-05
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Expires: 1993-06-14
Abstract
Abstract The stump clearing vehicle includes a root cutter comprising an upstandingly disposed blade having a multiplicity of detachable cutting bits suitably driven and carried on an articulating cutter carrying arms mounted to the rearwardmost terminal end of the vehicle chassis; and a sweeper-lift assembly comprising a pair of pivotally mounted, parallelly disposed lifting arms mounted at each side of the vehicle chassis, lifting forks fastened at the forwardmost terminal end of the lifting arms, detachable panel which is slidably engagable with the lifting forks and a sweeper brush mounted on a forwardly projecting arm.
Inventors
- 👤 C Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:12
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; A01G23/067
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
198 words
A root cutter to be carried on a stump clearing vehicle, comprising: an upstandingly disposed circular blade mounted at its center to and driven by a gear box; a multiplicity of cutting bits fastened radially on each side of and projecting from the outer circumferential edge of said blade; cutter carrying arms fastened at one of their terminal ends to said gear box and at their ends opposite pivotally to said vehicle chassis, said carrying arms being pivotally mounted to articulate vertically and sidewardly and having hydraulic cylinders fastened between said vehicle chassis and said carrying arms to accomplish said articulation; means for providing mechanical power to said gear box to rotate said blade; and a sweeper lift assembly including a pair of lift arms pivotally fastened at each of the terminal sides of and distally from the rearwardmost terminal end of said vehicle chassis, said lift arms having means for selectively lifting said arms, and lift forks including an upstanding, transversely disposed wall fastened to the forwardmost terminal ends of said lift arms and a plurality of rectilinearly horizontally parallel tine bars fastened to said upstanding wall and a detachable panel slidably engageable with said lift arms.
Claim 2
Dependent Claim
198 words
A root cutter to be carried on a stump clearing vehicle, comprising: an upstandingly disposed circular blade mounted at its center to and driven by a gear box; a multiplicity of cutting bits fastened radially on each side of and projecting from the outer circumferential edge of said blade; cutter carrying arms fastened at one of their terminal ends to said gear box and at their ends opposite pivotally to said vehicle chassis, said carrying arms being pivotally mounted to articulate vertically and sidewardly and having hydraulic cylinders fastened between said vehicle chassis and said carrying arms to accomplish said articulation; means for providing mechanical power to said gear box to rotate said blade; and a sweeper lift assembly including a pair of lift arms pivotally fastened at each of the terminal sides of and distally from the rearwardmost terminal end of said vehicle chassis, said lift arms having means for selectively lifting said arms, and lift forks including an upstanding, transversely disposed wall fastened to the forwardmost terminal ends of said lift arms and a plurality of rectilinearly horizontally parallel tine bars fastened to said upstanding wall and a detachable panel slidably engageable with said lift arms.
Claim 3
Dependent Claim
59 words
The apparatus of claim 1 wherein said sweeper lift assembly includes a sweeper brush including a suitably rotably driven cylindrical brush fastened on a pivotally, rectilinearly disposed arm fastened to said upstanding wall and an hydraulic cylinder fastened between said lift forks and said brush arm to selectively raise and lower said brush with respect to said lift forks.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |