Patent US3783914A successfully refreshed from Google Patents.
US3783914A
Expired / Lapsed
US
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Stump cutter
Assignee: Individual
•
Filing: 1972-06-22
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Granted: 1974-01-08
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Expires: 1992-06-22
Abstract
Abstract A manually operated stump cutter is disclosed including an elongated tubular frame member with an engine mounted at one end and a cutting means at the other. An operator handle extends from the other end and a shield assembly protects the operator. The tubular frame member is supported by a pair of wheels on a transverse axle midway of the tubular frame member.
Inventors
- 👤 J Daugherty
- 👤 J Baber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:59
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; A01G23/067
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
130 words
A stump cutter comprising: a tubular frame member; an engine mounted on top of the tubular frame member near a first end thereof and including a drive shaft depending into the tubular frame member; a pair of ground engaging wheels mounted transversely to the tubular frame member at approximately the center of gravity of the stump cutter; a vertically disposed driven shaft mounted near a second end of the tubular frame member and having cutting means attached thereto, the driven shaft being operatively connected to the engine drive shaft by drive means extending through and completely enclosed by the tubular frame member; operating handle means extending beyond the second end of the tubular frame member; and a shield assembly disposed about the cutting means and adapted to protect an operator.
Claim 2
Dependent Claim
130 words
A stump cutter comprising: a tubular frame member; an engine mounted on top of the tubular frame member near a first end thereof and including a drive shaft depending into the tubular frame member; a pair of ground engaging wheels mounted transversely to the tubular frame member at approximately the center of gravity of the stump cutter; a vertically disposed driven shaft mounted near a second end of the tubular frame member and having cutting means attached thereto, the driven shaft being operatively connected to the engine drive shaft by drive means extending through and completely enclosed by the tubular frame member; operating handle means extending beyond the second end of the tubular frame member; and a shield assembly disposed about the cutting means and adapted to protect an operator.
Claim 3
Dependent Claim
41 words
A stump cutter as defined in claim 1 wherein the shield assembly includes a flexible skirt portion depending downwardly and extending about a substantial portion of the cutting means, and an upper protective screen through which the cutting means is visible.
Claim 4
Dependent Claim
30 words
A stump cutter as defined in claim 1 wherein the drive means comprises a pair of drive belts, and a belt guide is disposed midway in the tubular frame member.
Claim 5
Dependent Claim
67 words
A stump cutter as defined in claim 1 wherein the operating handle means includes a pair of handle halfs connected to the second end of the tubular frame member by a pair of bolts, the operating handle means being adapted to be folded over the tubular frame member upon removal of one of the pair of bolts and loosening of the other of the pair of bolts.
Claim 6
Dependent Claim
54 words
A stump cutter as defined in claim 1 wherein the cutting means includes a cutter plate and alternating upwardly, horizontally, and downwardly disposed, integrally formed cutting arms, the cutting arms having hardened tips, and the cutter plate having an opening formed between each adjacent pair of arms whereby the throwing of cuttings is minimized.
References Cited (Backward Citations)
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Cited
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Cited
US2635649A
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |