US3829128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick hitch adapter
Assignee: Deutz Allis Corp
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Filing: 1972-12-22
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Granted: 1974-08-13
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Expires: 1992-12-22
Abstract
Abstract A quick hitch adapter for adjustably providing connection between a tractor and an implement for category 2 and category 3 hitches by selectively adjusting a base portion of the adapter.
Inventors
- 👤 M Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:15
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/14; B60D1/141; A; A01; A01B; A01B59/00; A01B59/06; A01B59/061; A01B59/062
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
198 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms comprising, a pair of downwardly extending arms, means on said pair of arms adapted for connection to and supported by two lower draft arms of a three-point hitch, a hook and a latch on the end of each of said downwardly extending arms adapted for connection to an implement, a central base member, transversely extending portions integral with each of said arms, transverse adjustable means on said base member and connected to said arms for adjusting said arms transversely with said base member including, positioning means adjustably positioning said arms in at least two positions on said base member, fastening means firmly locking said arms in the positions on said base member, means on said base member adapted for connection to the upper link, an upper hook on said base member adapted for connection to an implement, vertical adjustable means on said base member adjustably connecting said hook in at least two different vertical positions on said base member to thereby provide an adapter while supported on the lower draft arms permitting vertical and transverse adjustment of said adapter.
Claim 2
Dependent Claim
198 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms comprising, a pair of downwardly extending arms, means on said pair of arms adapted for connection to and supported by two lower draft arms of a three-point hitch, a hook and a latch on the end of each of said downwardly extending arms adapted for connection to an implement, a central base member, transversely extending portions integral with each of said arms, transverse adjustable means on said base member and connected to said arms for adjusting said arms transversely with said base member including, positioning means adjustably positioning said arms in at least two positions on said base member, fastening means firmly locking said arms in the positions on said base member, means on said base member adapted for connection to the upper link, an upper hook on said base member adapted for connection to an implement, vertical adjustable means on said base member adjustably connecting said hook in at least two different vertical positions on said base member to thereby provide an adapter while supported on the lower draft arms permitting vertical and transverse adjustment of said adapter.
Claim 3
Dependent Claim
46 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein, said vertical adjustable means on said base member includes means for slidably positioning said upper hook in two different positions.
Claim 4
Dependent Claim
63 words
A tractor hitch adapter for use with a three-point hitch having upper link and two lower draft arms as set forth in claim 1 wherein said transverse adjustable means includes opening means in said central base member for receiving and selectively positioning said transversely extending portion of each of said pair of arms in at least two positions relative to said base member.
Claim 5
Dependent Claim
40 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said pair of arms includes means defining tubular structure for receiving latch operating means.
Claim 6
Dependent Claim
89 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said fastening means between said base member and said arms includes a clamp on said base member for gripping said transversely extending portion of each of said arms, said positioning means includes hole means in each of said transversely extending portion of each of said arms, a pin received iN hole means for selectively connecting each of said arms to said base member.
Claim 7
Dependent Claim
48 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said base member includes flanges defining transverse openings for receiving bolt means for connection to the upper link and said upper hook.
Claim 8
Dependent Claim
59 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said base member defines cylindrical openings for receiving said arms, reinforcing strips extending transversely of said base member, a pair of vertical flanges for connection to the upper link and said upper hook.
Claim 9
Dependent Claim
55 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said base member defines an integral structure including said means adapted for connection to said upper link and vertical adjustable means connecting said upper hook with said base member.
Claim 10
Dependent Claim
40 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said base member defines a casting of tubular structure adapted for receiving said arms.
Claim 11
Dependent Claim
70 words
A tractor hitch adapter for use with a three-point hitch having an upper link and two lower draft arms as set forth in claim 1 wherein said base member defines an integral tubular structure for adjustably receiving each of said transversely extending portions of said arms for providing transverse adjustment, a pair of vertical flanges adapted for adjustably connecting said upper hook to provide vertical adjustment of said hitch adapter.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |