US3563608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ripping machine
Assignee: Individual
•
Filing: 1969-03-14
•
Granted: 1971-02-16
•
Expires: 1989-03-14
Abstract
Abstract An attachment for a tractor is provided which is used to thrust along the surface of a deck to break loose and remove old roofing paper from a roof. The machine, in addition to the tractor, consists of a thrust distributor assembly and a fork assembly. The fork is provided with a plurality of tapered teeth to break loose and remove the paper when driven forward by the tractor.
Inventors
- 👤 Daniel P Crispino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:22
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/006; E04D; E04D15/00; E04D15/003
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
A deck-covering ripper attachment for tractors and the like, comprising means for separating a covering from a deck at multiple-spaced places, means for distributing thrust to said separating means at said multiple-spaced places, means for thrusting said thrust distributing means, means for deflecting said covering on separation from the deck by said separating means, and separating means including a fork assembly having a plurality of laterally related teeth; said thrust distributing means including a plate member affixed to the fork assembly in the plane of said teeth, a beam member affixed to the plate member and projecting parallel thereto away from said teeth; and a coupling plate affixed angularly to said beam member, said coupling plate having means therein for attachment to a said tractor for thrusting of said attachment by the tractor.
Claim 2
Dependent Claim
133 words
A deck-covering ripper attachment for tractors and the like, comprising means for separating a covering from a deck at multiple-spaced places, means for distributing thrust to said separating means at said multiple-spaced places, means for thrusting said thrust distributing means, means for deflecting said covering on separation from the deck by said separating means, and separating means including a fork assembly having a plurality of laterally related teeth; said thrust distributing means including a plate member affixed to the fork assembly in the plane of said teeth, a beam member affixed to the plate member and projecting parallel thereto away from said teeth; and a coupling plate affixed angularly to said beam member, said coupling plate having means therein for attachment to a said tractor for thrusting of said attachment by the tractor.
Claim 3
Dependent Claim
31 words
A deck-covering ripper attachment as recited in claim 1, wherein said fork assembly includes a transverse bar carrying all said teeth, and said bar is detachably affixed to said plate member.
Claim 4
Dependent Claim
19 words
A deck-covering ripper attachment as recited in claim 1, wherein said teeth are tapered on the upper surfaces thereof.
Claim 5
Dependent Claim
28 words
A deck-covering ripper attachment as recited in claim 1, wherein said covering deflecting means is affixed to said transverse bar and is detachable therewith from said plate member.
Claim 6
Dependent Claim
26 words
A deck-covering ripper attachment as recited in claim 4, wherein a portion of said deflecting means is supported in assembly by contact with said beam member.
References Cited (Backward Citations)
US2565841A
Cited
US3251629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |