US3743358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt cutting attachment for backhoe bucket
Assignee: Individual
•
Filing: 1971-03-17
•
Granted: 1973-07-03
•
Expires: 1991-03-17
Abstract
Abstract An asphalt cutting attachment for the bucket of a backhoe or similar motor vehicle mounted bucket: a pair of plates are spaced apart so as to avoid interference with the bucket teeth, if any, and have a slot for receiving the front lip of the bucket. Below the bucket lip, front and rear laterally extending bars provide stability against twist, as does a pair of bearing surfaces provided by edges of the plates defining the slot.
Inventors
- 👤 W Guest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:23
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/962; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0913; E01C23/092
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
91 words
An asphalt cutting attachment for a backhoe or the like comprising: a. a cutting disc, b. axle means for rotatably supporting said disc, c. support means for said axle means including means defining a slot generally parallel to said axle means, said support means comprising a pair of spaced parallel plates which are generally C-shaped and define a pair of bearing edges at one end of said slot, for engagement with an edge of the bucket of a backhoe, and d. releasable clamp means movable transversely of said slot defining means.
Claim 2
Dependent Claim
91 words
An asphalt cutting attachment for a backhoe or the like comprising: a. a cutting disc, b. axle means for rotatably supporting said disc, c. support means for said axle means including means defining a slot generally parallel to said axle means, said support means comprising a pair of spaced parallel plates which are generally C-shaped and define a pair of bearing edges at one end of said slot, for engagement with an edge of the bucket of a backhoe, and d. releasable clamp means movable transversely of said slot defining means.
Claim 3
Dependent Claim
34 words
The asphalt cutter attachment of claim 1, said clamp means comprising a pad between said plates on the opposite side of said slot from said axle means, and screw means threaded through said pad.
Claim 4
Dependent Claim
40 words
The asphalt cutter attachment of claim 1, and further comprising stabilizer bar means extending parallel to said axle means, said stabilizer bar means being on said plates adjacent said slot and on the side thereof closest to said axle means.
Claim 5
Dependent Claim
19 words
The asphalt cutter attachment of claim 1, and further comprising stabilizing means extending generally parallel to said axle means.
Claim 6
Dependent Claim
116 words
In combination with a motor vehicle including boom means mounted for movement in a vertical plane and having bucket means on said boom means, said bucket means comprising a bottom having a forward Lip and spaced side walls joined to said bottom and upstanding therefrom, said motor vehicle including an operator''s station for operation and control of the boom providing substantially unimpeded viewing of the bucket means, an asphalt cutter attachment comprising a cutting disc, axle means for rotatably supporting said cutting disc, support means for said axle means including means defining a slot, the lip of said bucket means being in said slot, said attachment further comprising releasable clamp means for engaging said bucket means.
Claim 7
Dependent Claim
116 words
In combination with a motor vehicle including boom means mounted for movement in a vertical plane and having bucket means on said boom means, said bucket means comprising a bottom having a forward Lip and spaced side walls joined to said bottom and upstanding therefrom, said motor vehicle including an operator''s station for operation and control of the boom providing substantially unimpeded viewing of the bucket means, an asphalt cutter attachment comprising a cutting disc, axle means for rotatably supporting said cutting disc, support means for said axle means including means defining a slot, the lip of said bucket means being in said slot, said attachment further comprising releasable clamp means for engaging said bucket means.
Claim 8
Dependent Claim
34 words
The combination of claim 5, said attachment comprising a pair of bearing means engaging the forward edge of the lip of said bucket and spaced laterally of a plane passing through said cutter disc.
Claim 9
Dependent Claim
30 words
The combination of claim 6, said attachment comprising a pair of spaced stabilizer bars extending generally parallel to said axle means and engaging the bottom surface of said bucket means.
Claim 10
Dependent Claim
30 words
The combination of claim 5, said attachment comprising a pair of spaced stabilizer bars extending generally parallel to said axle means and engaging the bottom surface of said bucket means.
Claim 11
Dependent Claim
20 words
The combination of claim 8, said clamping means comprising screw threaded means engaging the upper surface of said bucket means.
Claim 12
Dependent Claim
20 words
The combination of claim 5, said clamping means comprising screw threaded means engaging the upper surface of said bucket means.
Claim 13
Dependent Claim
42 words
The combination of claim 5, wherein said support means comprises a pair of spaced parallel plates which are generally C-shaped, and define a pair of bearing edges at one end of said slot for engagement with the lip of said bucket means.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |