US4224995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for removing palmetto bushes
Assignee: Individual
•
Filing: 1978-08-21
•
Granted: 1980-09-30
•
Expires: 1998-08-21
Abstract
Abstract A device for removing palmetto bushes which is adapted to be attached to a 3 point hitch and which is composed of a reinforced laterally extending or horizontally disposed frame having an attachment surface and a plurality of downwardly and forwardly extending equispaced fingers of tempered spring steel extending vertically downwardly and being forwardly tilted at an angle of between 5 and 20 degrees for use in digging, scraping, and raking palmetto bushes upon forward movement of a tractor to which the device is attached.
Inventors
- 👤 Richard C. Alberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:59
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
145 words
A digging device adapted for attachment to a 3 point hitch of a tractor for use in removing palmetto bushes from the earth comprising; an angle iron support frame having a horizontal member with an upper horizontal surface and a vertical member with a forwardly faciang vertical surface, said vertical surface approximately at right angles to said horizontal surface and collectively defining a forward frame face, the frame face being reinforced by a plurality of generally right angle gusset members each connected at the vertical and horizontal surfaces on the foward face, a plurality of generally cylindrical, downwardly and forwardly extending teeth being of a uniform diameter and cross section having a first end fixedly connected to the horizontal member at predetermined widely spaced intervals and a second truncated terminal end, and means for adapting the frame for use with a 3 point tractor-type hitch.
Claim 2
Dependent Claim
145 words
A digging device adapted for attachment to a 3 point hitch of a tractor for use in removing palmetto bushes from the earth comprising; an angle iron support frame having a horizontal member with an upper horizontal surface and a vertical member with a forwardly faciang vertical surface, said vertical surface approximately at right angles to said horizontal surface and collectively defining a forward frame face, the frame face being reinforced by a plurality of generally right angle gusset members each connected at the vertical and horizontal surfaces on the foward face, a plurality of generally cylindrical, downwardly and forwardly extending teeth being of a uniform diameter and cross section having a first end fixedly connected to the horizontal member at predetermined widely spaced intervals and a second truncated terminal end, and means for adapting the frame for use with a 3 point tractor-type hitch.
Claim 3
Dependent Claim
23 words
The device as set forth in claim 1 wherein said frame is of a lateral length of between 24 inches and 36 inches.
Claim 4
Dependent Claim
15 words
The device as set forth in claim 2 wherein the lateral length is 30 inches.
Claim 5
Dependent Claim
13 words
The device as set forth in claim 1 wherein 4 fingers are provided.
Claim 6
Dependent Claim
27 words
The device as set forth in claim 4 wherein said teeth are about 10 inches in length and of a diameter between 1-1/4 inch and 1-1/2 inch.
Claim 7
Dependent Claim
30 words
The device as set forth in claim 5 wherein the teeth are spaced 5 inches apart and tilted forwardly with respect to the vertical surface between 5 and 20 degrees.
Claim 8
Dependent Claim
51 words
The device as set forth in claim 1 wherein the gusset members are reinforcing means composed of approximately 3/8 inch thick flat iron gussets between the horizontal and vertical surface and the frame, the frame is made of a strong material of the strength of steel and approximately 1/2 inch thick.
Claim 9
Dependent Claim
27 words
The device as set forth in claim 7 wherein said vertical surface is 6 inches in height and said horizontal surface is about 3 inches in size.
Claim 10
Dependent Claim
16 words
The device as set forth in claim 1 wherein said teeth are of tempered spring steel.
Claim 11
Dependent Claim
30 words
The device as set forth in claim 1 wherein there are four gusset members and four teeth, the teeth being attached to the horizontal member adjacent each gusset member respectively.
References Cited (Backward Citations)
US2731896A
Cited
US2735198A
Cited
US757795A
Cited
US2512114A
Cited
US2479719A
Cited
US2711036A
Cited
DE906384C
Cited
GB808218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |