Patent US1838154A successfully refreshed from Google Patents.
Patent US4389155A successfully refreshed from Google Patents.
US4389155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor scoop mechanism
Assignee: Kness Manufacturing Co Inc
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Filing: 1981-05-11
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Granted: 1983-06-21
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Expires: 2001-05-11
Abstract
Abstract The present specification discloses a tractor scoop mechanism which is connected to the rear hydraulic arms of a tractor and pivotally to a tractor scoop. The tractor scoop can then be dumped by pulling the handle on the scoop mechanism which releases the scoop by rotating locking pins from an engaged position and allows the scoop to pivot downwardly into a dumping posture.
Inventors
- 👤 Charles A. Absher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:30
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3417
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
95 words
A tractor scoop mechanism comprising: a frame member for pivotable attachment to a scoop device, a pin assembly for engagement with and disengagement from said scoop device, said pin assembly mounted on said frame member, a handle means, said handle means affixed to said pin assembly, said pin assembly having a telescoping portion having inner and outer sections, said outer section containing a resilient member, said inner section and said outer section each having a pin member whereby said telescoping portion is in a collapsed configuration when said pin assembly is in a disengaged position.
Claim 2
Dependent Claim
95 words
A tractor scoop mechanism comprising: a frame member for pivotable attachment to a scoop device, a pin assembly for engagement with and disengagement from said scoop device, said pin assembly mounted on said frame member, a handle means, said handle means affixed to said pin assembly, said pin assembly having a telescoping portion having inner and outer sections, said outer section containing a resilient member, said inner section and said outer section each having a pin member whereby said telescoping portion is in a collapsed configuration when said pin assembly is in a disengaged position.
Claim 3
Dependent Claim
17 words
A tractor scoop mechanism as claimed in claim 1 wherein aid telescoping portion includes a camming finger.
Claim 4
Dependent Claim
18 words
A tractor scoop mechanism as claimed in claim 1 wherein said frame member includes a pin housing means.
Claim 5
Dependent Claim
18 words
A tractor scoop mechanism as claimed in claim 3 wherein said pin housing means includes a camming face.
Claim 6
Dependent Claim
60 words
A tractor scoop mechanism as claimed in claim 1 wherein said pin assembly includes a telescoping portion having a camming finger, said frame member includes a pin housing means, said pin housing means having a camming face, said camming finger being contiguous with said camming face whereby rotating said handle means causes said camming finger to follow said camming face.
Claim 7
Dependent Claim
18 words
A tractor scoop mechanism as claimed in claim 1 wherein said frame member includes a pivotable hitching means.
Claim 8
Dependent Claim
17 words
A tractor scoop mechanism as claimed in claim 1 wherein said pin assembly includes a release member.
References Cited (Backward Citations)
US1964114A
Cited
US2188532A
Cited
US2482286A
Cited
US2721404A
Cited
US2788138A
Cited
US2812082A
Cited
US2930151A
Cited
US3181903A
Cited
US3536222A
Cited
CA970559A
Cited
US3912092A
Cited
US3876091A
Cited
US4030624A
Cited
US4042141A
Cited
US4068774A
Cited
US4256337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-06-20 | 1986-12-20 | 1987-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-20 | 1990-12-20 | 1991-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-20 | 1994-12-20 | 1995-06-21 | $7700.00 | Window Closed / Lapsed |