US4770436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable position trailer hitch
Assignee: Individual
•
Filing: 1987-08-19
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Granted: 1988-09-13
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Expires: 2007-08-19
Abstract
Abstract A drawbar type trailer hitch comprising a frame supported telescoping tongue extended and retracted by a first pressure cylinder while a second pressure cylinder may be operated to position the rearward end portion of the telescopically extended tongue in a lateral direction for correcting the direction of rearward movement of a towed vehicle being backed toward a parked position by the towing vehicle.
Inventors
- 👤 Alan D. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:52
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/44; B62; B62D; B62D13/00; B62D13/06; Y; Y10; Y10S; Y10S280/00; Y10S280/09; Y10S280/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
286 words
A towing apparatus for coupling a towed vehicle to a towing vehicle, comprising: first elongated members for attachment in horizontal superposed spaced relation to the rearward end of a towing vehicle; elongated extensible tongue means comprising an inner tongue portion connected at one end portion between said first members and projecting rearwardly therefrom and a tubular outer tongue portion telescopically receiving the inner tongue member and projecting rearwardly for connection with a towed vehicle and horizontal pivoting movement of the tongue means about a vertical axis; second elongated superposed members extending transversely of the rearward end portion of said tongue means in parallel relation with respect to said first members and in over and underlying relation with respect to said tongue means; brace means comprising a pair of tubular members each connected at one end portion between said first members on opposite sides of said tongue and horizontally diverging rearwardly into the space between said second members at their respective end portions for rigidly interconnecting said first and second members; first power cylinder means connected at its respective ends with said inner tongue and said outer tongue for telescopically extending and retracting the outer tongue relative to the inner tongue; second power cylinder means connected with said tongue means for pivoting respective end portions of said tongue means in a selected direction; tongue anchor means including a pin extending through cooperating apertures in said second members on opposing sides of said tongue means for normally preventing lateral movement of said tongue means relative to said second members; and, at least one vertically apertured tab horizontally secured to the side of said tongue means for receiving said pin when in register with the second members cooperating apertures.
Claim 2
Dependent Claim
286 words
A towing apparatus for coupling a towed vehicle to a towing vehicle, comprising: first elongated members for attachment in horizontal superposed spaced relation to the rearward end of a towing vehicle; elongated extensible tongue means comprising an inner tongue portion connected at one end portion between said first members and projecting rearwardly therefrom and a tubular outer tongue portion telescopically receiving the inner tongue member and projecting rearwardly for connection with a towed vehicle and horizontal pivoting movement of the tongue means about a vertical axis; second elongated superposed members extending transversely of the rearward end portion of said tongue means in parallel relation with respect to said first members and in over and underlying relation with respect to said tongue means; brace means comprising a pair of tubular members each connected at one end portion between said first members on opposite sides of said tongue and horizontally diverging rearwardly into the space between said second members at their respective end portions for rigidly interconnecting said first and second members; first power cylinder means connected at its respective ends with said inner tongue and said outer tongue for telescopically extending and retracting the outer tongue relative to the inner tongue; second power cylinder means connected with said tongue means for pivoting respective end portions of said tongue means in a selected direction; tongue anchor means including a pin extending through cooperating apertures in said second members on opposing sides of said tongue means for normally preventing lateral movement of said tongue means relative to said second members; and, at least one vertically apertured tab horizontally secured to the side of said tongue means for receiving said pin when in register with the second members cooperating apertures.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-13 | 1992-03-14 | 1992-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-13 | 1996-03-14 | 1996-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-13 | 2000-03-14 | 2000-09-13 | $7700.00 | Window Closed / Lapsed |