Patent US4487544A successfully refreshed from Google Patents.
US4487544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Towing vehicle
Assignee: Individual
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Filing: 1982-09-13
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Granted: 1984-12-11
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Expires: 2002-09-13
Abstract
Abstract Disclosed is a towing vehicle or wrecker of the type in which a winch drawn cable is attached to the trailing portion of an auto or truck to be towed and a carrier member ascends an inclined track elevating the leading portion of the load as the cable is winched in. The apparatus is characterized by pivotal mounting of the inclined member with a hydraulic positioning cylinder for aiding in acquisition of a load, such as a disabled auto which is ditched or laterally displaced from the wrecker. The pivoted, inclined member also facilitates cornering of the wrecker and load when in motion.
Inventors
- 👤 John S. Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:24
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60P3/125
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
215 words
A vehicle for acquiring and towing a load comprising a base and a suppport means extending upwardly from the base, an elongated vertically inclined member pivotally mounted on said support means and carrying idler sheaves thereon adjacent its upper and lower ends, carrier means supported by and movable along the length of said inclined member, the mounting of said inclined member providing for pivotal movement thereof about an axis parallel to the inclined member's longitudinal axis, said carrier means including a saddle being adapted to engage and support the leading portion of said load, a winch mounted on said carrier means and having a cable passing through said idler sheaves, said cable having one end being adapted for attachment to the trailing portion of the load so that reeling in said cable by the winch elevates said carrier means on said inclined member and raises the leading portion of the load, and power means carried by said support means and acting on said inclined member to pivot it about said axis parallel to its longitudinal axis to facilitate the acquisition of loads laterally displaced from the towing vehicle, said cable and winch being located on said inclined member to pivot with said idler sheaves as a unit whenever said power means pivots said inclined member.
Claim 2
Dependent Claim
215 words
A vehicle for acquiring and towing a load comprising a base and a suppport means extending upwardly from the base, an elongated vertically inclined member pivotally mounted on said support means and carrying idler sheaves thereon adjacent its upper and lower ends, carrier means supported by and movable along the length of said inclined member, the mounting of said inclined member providing for pivotal movement thereof about an axis parallel to the inclined member's longitudinal axis, said carrier means including a saddle being adapted to engage and support the leading portion of said load, a winch mounted on said carrier means and having a cable passing through said idler sheaves, said cable having one end being adapted for attachment to the trailing portion of the load so that reeling in said cable by the winch elevates said carrier means on said inclined member and raises the leading portion of the load, and power means carried by said support means and acting on said inclined member to pivot it about said axis parallel to its longitudinal axis to facilitate the acquisition of loads laterally displaced from the towing vehicle, said cable and winch being located on said inclined member to pivot with said idler sheaves as a unit whenever said power means pivots said inclined member.
Claim 3
Dependent Claim
77 words
A towing vehicle as claimed in claim 1 in which said inclined member is provided with spaced parallel, coextensive tracks and said carrier means includes a carrier member which spans the space between said tracks and carrier rollers accommodated by the tracks, said saddle is pivotally mounted to said carrier member and is pivotable when said inclined member is pivoted to increase lateral freedom to position said saddle adjacent said load located laterally relative to said vehicle.
Claim 4
Dependent Claim
38 words
A towing vehicle as claimed in claim 1 having means for locking the position of said carrier means with relation to said inclined member while allowing free pivotal motion of said carrier means relative to said support means.
Claim 5
Dependent Claim
72 words
A towing vehicle as claimed in claim 1 in which said power means may be functionally disconnected from said inclined member during towing to permit floating of the pivotal connection of the inclined member to the support means and thereby facilitate cornering of the towing vehicle and its load and said carrier means may be allowed to move freely on said inclined member as said load applies force to the connected cable.
Claim 6
Dependent Claim
152 words
A towing vehicle comprising: a base; a vertically inclined member pivotally mounted on said base; carrier means slidably mounted to said inclined member and movable vertically therealong, said carrier means being pivotable with said inclined member about a first axis parallel to said inclined member, said carrier means having a towed vehicle engaging portion pivotable about a second vertical axis; winch means mounted on said carrier means and having a cable extending therefrom upwardly along said member and then downwardly therebeneath being attachable to the rear portion of a towed vehicle having a front portion supported by said engaging portion of said carrier means, said winch means operable to hold said cable while said carrier means moves along said member transferring load from said front portion to said towing vehicle, said winch means and said cable pivotable about said first axis as a unit with said carrier means and said inclined member.
Claim 7
Dependent Claim
152 words
A towing vehicle comprising: a base; a vertically inclined member pivotally mounted on said base; carrier means slidably mounted to said inclined member and movable vertically therealong, said carrier means being pivotable with said inclined member about a first axis parallel to said inclined member, said carrier means having a towed vehicle engaging portion pivotable about a second vertical axis; winch means mounted on said carrier means and having a cable extending therefrom upwardly along said member and then downwardly therebeneath being attachable to the rear portion of a towed vehicle having a front portion supported by said engaging portion of said carrier means, said winch means operable to hold said cable while said carrier means moves along said member transferring load from said front portion to said towing vehicle, said winch means and said cable pivotable about said first axis as a unit with said carrier means and said inclined member.
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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) | 1987-12-11 | 1988-06-11 | 1988-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-11 | 1992-06-11 | 1992-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-11 | 1996-06-11 | 1996-12-11 | $7700.00 | Window Closed / Lapsed |