Back to results
US 9,956,685 B2Granted
Fifth wheel release handle yanker
OwnerThomas J. Oswaldinventor
Life of this patent
Estimating the term…
Abstract
A fifth wheel yanker moves a fifth wheel release handle in the sequence needed to operate the release handle in the sequence used by, for example, the Yost brand of fifth wheel Jost fifth wheel safety catch release mechanisms.
Claims11
A yanker for releasing a trailer from a tractor, the yanker comprising
- a yanker shaft extending between a first end connected to a yanker handle, and a second end connected to a yanker lever, the yanker lever having a first linear section extending laterally away from the second end of the shaft, and the yanker lever having a second linear section extending laterally from the first linear section in a direction away from the yanker handle, and
- a yanker hook connected to the yanker shaft proximate the second end on a side of the yanker shaft opposite the yanker lever, the second linear section of the yanker lever pointing generally opposite the direction of the yanker hook, and
- wherein, when the second linear section of the yanker lever contacts a top surface of a frame of the tractor and the yanker handle is twisted clockwise or counterclockwise, the yanker hook moves upward.
A yanker for releasing a trailer from a tractor, the yanker comprising
- a yanker shaft extending between a first end connected to a yanker handle, and a second end connected to a yanker lever, and
- a yanker hook connected to the yanker shaft proximate the second end, the yanker lever pointing generally opposite the direction of the yanker hook,
- wherein the yanker lever has a first linear section extending laterally from the second end of the shaft, and a second linear section extending laterally from the first linear section and parallel to the axis of the yanker shaft, a third linear section extending laterally from the second linear section and parallel to the first linear section, and a fourth linear section extending from the third linear section and parallel to the second linear section, and
- wherein, when the second linear section of the yanker lever contacts a top surface of a frame of the tractor and the yanker handle is twisted clockwise or counterclockwise, the yanker hook moves upward.
1 more element
Dependencies are inferred from the claim text.