Patent US4466632A successfully refreshed from Google Patents.
US4466632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch having a winch coupling assist
Assignee: Individual
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Filing: 1982-11-18
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Granted: 1984-08-21
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Expires: 2002-11-18
Abstract
Abstract A highway trailer hitch having a trailer connector secured to one end of a cable with the other end of the cable extending through a guide and support sleeve and mounted on a cable drum. A crank powers the cable drum to reel in cable and the attached trailer connector to provide a coupling assist for connecting a trailing vehicle to a towing vehicle.
Inventors
- 👤 Dwight F. Devorak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:09
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/36; B60D1/38
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
342 words
A heavy duty trailer hitch for coupling a trailing vehicle to a towing vehicle comprising: a tapered sleeve means rigidly secured to said haulage vehicle and having an extended tapered portion with an enlarged bellmouth opening at one end thereof and a reduced dimension opening at a second end thereof; said bellmouth opening having opposed faces diverging outwardly from said extended tapered portion, a winch means positioned adjacent said tapered sleeve means and including a cable drum being rotatably supported at said second end of said tapered sleeve means; a cable means having one end thereof extending through said second end of said tapered sleeve means and being windable on said cable drum, said cable means having a second end extendable outward through said enlarged bellmouth opening of said tapered sleeve means; means to wind up said cable means on said cable drum; and a trailer connector means secured to said second end of said cable means and having tapered faces thereon adapted to nest within said tapered portion of said tapered sleeve means in a complementary orientation and including spaced stop means having limited abutting surfaces to abut complementary spaced portions on said opposed faces of said bellmouth opening to provide a predetermined non-binding, nesting penetration of said trailer connector means into said tapered sleeve means wherein a coupling pin is installed to retain said trailer connector means in said nesting relationship with said tapered sleeve means in a rigid towing assembly and further adapted to be outwardly extensible from said tapered sleeve means whereby said trailer connector means may be coupled to said trailing vehicle by unreeling said cable means from said cable drum to position said trailer connector means in a coupling orientation with said trailing vehicle and thereafter said trailer connector means is drawn into the nesting relationship with said tapered sleeve means by reeling in said cable means on said cable drum whereby said bellmouth serves to guide said cable means, and said trailer connector means into said tapered sleeve means to provide said rigid towing assembly.
Claim 2
Dependent Claim
342 words
A heavy duty trailer hitch for coupling a trailing vehicle to a towing vehicle comprising: a tapered sleeve means rigidly secured to said haulage vehicle and having an extended tapered portion with an enlarged bellmouth opening at one end thereof and a reduced dimension opening at a second end thereof; said bellmouth opening having opposed faces diverging outwardly from said extended tapered portion, a winch means positioned adjacent said tapered sleeve means and including a cable drum being rotatably supported at said second end of said tapered sleeve means; a cable means having one end thereof extending through said second end of said tapered sleeve means and being windable on said cable drum, said cable means having a second end extendable outward through said enlarged bellmouth opening of said tapered sleeve means; means to wind up said cable means on said cable drum; and a trailer connector means secured to said second end of said cable means and having tapered faces thereon adapted to nest within said tapered portion of said tapered sleeve means in a complementary orientation and including spaced stop means having limited abutting surfaces to abut complementary spaced portions on said opposed faces of said bellmouth opening to provide a predetermined non-binding, nesting penetration of said trailer connector means into said tapered sleeve means wherein a coupling pin is installed to retain said trailer connector means in said nesting relationship with said tapered sleeve means in a rigid towing assembly and further adapted to be outwardly extensible from said tapered sleeve means whereby said trailer connector means may be coupled to said trailing vehicle by unreeling said cable means from said cable drum to position said trailer connector means in a coupling orientation with said trailing vehicle and thereafter said trailer connector means is drawn into the nesting relationship with said tapered sleeve means by reeling in said cable means on said cable drum whereby said bellmouth serves to guide said cable means, and said trailer connector means into said tapered sleeve means to provide said rigid towing assembly.
Claim 3
Dependent Claim
82 words
The heavy duty trailer hitch according to claim 1, wherein said means to wind up said cable means includes a drive shaft connected to said cable drum and extending laterally outward from between said towing and trailing vehicles to an accessible position and further includes a hand crank being connectible to said drive shaft to rotatably drive said cable drum to reel in said cable means whereby said trailer connector means is brought into said nesting relationship with said tapered sleeve means.
Claim 4
Dependent Claim
25 words
The heavy duty trailer hitch according to claim 2, wherein said trailer connector means includes a hitch tongue being swivelably connectible to said trailing vehicle.
Claim 5
Dependent Claim
28 words
The heavy duty trailer hitch according to claim 2, wherein said trailer connector means includes a coupler ball being connectible to said trailing vehicle for universal movements therebetween.
Claim 6
Dependent Claim
249 words
A highway trailer hitch having a coupling assist for connecting a trailing vehicle to a towing vehicle including: a trailer connection means having tapered side walls and being securable to a trailing vehicle; a support means rigidly secured to said towing vehicle; means to receive said trailer connection means in a rigid complementary nested orientation comprising a tapered sleeve means and being carried on said support means; a cable winch means rotatably carried on said support means in alignment with said means to receive said trailer connection means; cable means connected between said trailer connection means and said cable winch means; and means to drive said cable winch means to wind or unwind cable from said cable winch means whereby said trailer connection means may be rearwardly extensible with said cable means to couple said trailer connection means to said trailing vehicle which is remote from said towing vehicle and thereafter said trailer connection means is retractible into said rigid nested orientation relative to said means to receive said trailer connection means by winding said cable means onto said winch means; said means to receive said trailer connection means includes a guide means comprising an enlarged bellmouth to guide said cable means and said trailer connection means into said rigid nested orientation, said trailer connection means includes spaced stop members adapted to abut complementary spaced surfaces on said bellmouth to provide a non-wedging orientation between said tapered sleeve means and said tapered side walls of said trailer connection means.
Claim 7
Dependent Claim
249 words
A highway trailer hitch having a coupling assist for connecting a trailing vehicle to a towing vehicle including: a trailer connection means having tapered side walls and being securable to a trailing vehicle; a support means rigidly secured to said towing vehicle; means to receive said trailer connection means in a rigid complementary nested orientation comprising a tapered sleeve means and being carried on said support means; a cable winch means rotatably carried on said support means in alignment with said means to receive said trailer connection means; cable means connected between said trailer connection means and said cable winch means; and means to drive said cable winch means to wind or unwind cable from said cable winch means whereby said trailer connection means may be rearwardly extensible with said cable means to couple said trailer connection means to said trailing vehicle which is remote from said towing vehicle and thereafter said trailer connection means is retractible into said rigid nested orientation relative to said means to receive said trailer connection means by winding said cable means onto said winch means; said means to receive said trailer connection means includes a guide means comprising an enlarged bellmouth to guide said cable means and said trailer connection means into said rigid nested orientation, said trailer connection means includes spaced stop members adapted to abut complementary spaced surfaces on said bellmouth to provide a non-wedging orientation between said tapered sleeve means and said tapered side walls of said trailer connection means.
Claim 8
Dependent Claim
22 words
The highway trailer hitch according to claim 5, wherein a coupling pin retains said trailer connection means in said rigid nested orientation.
Claim 9
Dependent Claim
79 words
The highway trailer hitch according to claim 5, wherein said means to drive said cable winch means includes a drive shaft extending laterally outward from said cable winch means to an accessible position and further includes a hand crank being connectible to said drive shaft to rotatably drive said cable winch means to wind in said cable means whereby said trailer connection means is pulled into said nesting relationship relative to said means to receive said trailer connection means.
Claim 10
Dependent Claim
24 words
The highway trailer hitch according to claim 7, whereby said trailer connector means includes a hitch tongue being swivelably connectible to said trailing vehicle.
Claim 11
Dependent Claim
27 words
The highway trailer hitch according to claim 7, whereby said trailer connector means includes a coupler ball being connectible to said trailing vehicle for universal movements therebetween.
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) | 1987-08-21 | 1988-02-20 | 1988-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-21 | 1992-02-20 | 1992-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-21 | 1996-02-20 | 1996-08-21 | $7700.00 | Window Closed / Lapsed |