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US 8,985,612 B2Granted
Towing assembly
AssigneeDefense Products and Services Holding Company
InventorsCharles Kennith Fincher, Chad Leighton Helland, Paul Elhardt, Ellis J. Smith
Life of this patent
Estimating the term…
Abstract
A towing bar assembly that is convertible from an articulated assembly for extracting a vehicle in an inaccessible location to a rigid assembly for safely towing a vehicle on a road.
Claims17
A towing assembly, comprising:
- a) a hitch;
- and
- b) a pair of members each pivotally attached to said hitch, wherein each of the pair of members has a first shaft, a second shaft, and a pivotable locking joint between the first shaft and the second shaft;
- and
- c) a means for fixing an orientation of said members relative to said hitch,
- whereby the first shaft and the second shaft are pivotable relative to each other about the pivotable locking joint in an unlocked position and the first shaft and the second shaft are not pivotable relative to each other about the pivotable locking joint in a locked position.
3 more elements
A towing bar assembly, comprising:
- a) a lunette;
- b) a first shaft attached at one end to said lunette, and having a first locking elbow joint attached at the other end;
- c) a second shaft attached at one end to said lunette, and having a second locking elbow joint attached at the other end;
- d) a third shaft attached at one end to said first locking elbow joint;
- e) a fourth shaft attached at one end to said second locking elbow joint;
- and
- f) a means for fixing an orientation of said first and second shafts relative to said lunette,
- whereby the first shaft and the second shaft are pivotable relative to each other about the first locking elbow joint in an unlocked position and the first shaft and the second shaft are not pivotable relative to each other about the first locking elbow joint in a locked position;
- and
- whereby the third shaft and the fourth shaft are pivotable relative to each other about the second locking elbow joint in an unlocked position and the third shaft and the fourth shaft are not pivotable relative to each other about the second locking elbow joint in a locked position.
7 more elements
An articulating towing assembly, comprising:
- a) a hitch;
- b) a pair of members attached to said hitch, wherein each pair of members has two shafts and a pivotable locking joint between each of said two shafts of each of said pair of members;
- and
- c) a means for fixing an orientation of said members relative to said hitch,
- wherein each of said pair of members can be locked in a locked position for rigidly securing an orientation thereof with respect to said hitch.
2 more elements
Dependencies are inferred from the claim text.