US4171724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for lawn edging machine
Assignee: Individual
•
Filing: 1978-02-13
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Granted: 1979-10-23
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Expires: 1998-02-13
Abstract
Abstract A lawn edging tool to be mounted to a conventional rotating shaft on a lawn edging machine which is composed of a disc-shaped member having radially extending passageways and an inner opening spaced between the center of the disc and the periphery of the disc and in communication with the passageways and sized to nest an enlarged end of a strip of rubbery material, such as a strip cut from a tire carcass and wherein the strip extends radially outwardly through the passageway to serve as flailing members.
Inventors
- 👤 Frank B. Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:06
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/06; A01G3/062
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
290 words
An edger apparatus to be mounted to a rotatable shaft of a lawn edging machine comprising: a disc-shaped member having a center zone adapted to be mounted for rotation with the rotatable lawn edging machine shaft, said disc having a main axial face bounded by a peripheral surface, said main face having common size recesses of a predetermined size and each of said recesses being spaced a common radial distance between the center zone and the peripheral surface, equispaced radial passageways in the member of a predetermined cross sectional area and each of said passageways being in open communication with one of the recesses and extending to the peripheral surface, and said disc-shaped member being adapted to captivate a strip of tire carcas in each passageway, each strip comprising an elongate body having a first end zone and a second end and being of a common length, the first end zone being characterized by a dimension greater than the maximum distance across the cross sectional area of said passageway and said first end zone of each strip being sized to nest in said recesses, and the length of said body between the first end zone and second end being greater than the common radial distance between each of the recesses and the peripheral surface and being of a cross sectonal area between the first end zone and second end sized for passage through the recess and passageway to extend from the peripheral surface of the disc when the first end zone is nested in the opening and the elongate body is threaded through the passageway, the extending portion from the peripheral surface of said disc-shaped member to said second end comprising a flailing member of tire carcas for cutting vegetation.
Claim 2
Dependent Claim
290 words
An edger apparatus to be mounted to a rotatable shaft of a lawn edging machine comprising: a disc-shaped member having a center zone adapted to be mounted for rotation with the rotatable lawn edging machine shaft, said disc having a main axial face bounded by a peripheral surface, said main face having common size recesses of a predetermined size and each of said recesses being spaced a common radial distance between the center zone and the peripheral surface, equispaced radial passageways in the member of a predetermined cross sectional area and each of said passageways being in open communication with one of the recesses and extending to the peripheral surface, and said disc-shaped member being adapted to captivate a strip of tire carcas in each passageway, each strip comprising an elongate body having a first end zone and a second end and being of a common length, the first end zone being characterized by a dimension greater than the maximum distance across the cross sectional area of said passageway and said first end zone of each strip being sized to nest in said recesses, and the length of said body between the first end zone and second end being greater than the common radial distance between each of the recesses and the peripheral surface and being of a cross sectonal area between the first end zone and second end sized for passage through the recess and passageway to extend from the peripheral surface of the disc when the first end zone is nested in the opening and the elongate body is threaded through the passageway, the extending portion from the peripheral surface of said disc-shaped member to said second end comprising a flailing member of tire carcas for cutting vegetation.
Claim 3
Dependent Claim
43 words
The device as set forth in claim 1 wherein the disc-shaped member is provided with an axial through mounting hole in said center zone for receiving the shaft and a recess is provided in said axial face to nest a mounting nut therein.
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) | 1982-10-22 | 1983-04-23 | 1983-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-22 | 1987-04-23 | 1987-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-22 | 1991-04-23 | 1991-10-23 | $7700.00 | Window Closed / Lapsed |