Fifth wheel with anti-theft protection device
First Claim
1. A truck tractor-trailer combination comprising a fifth wheel to connect a truck tractor to a trailer, the fifth wheel comprises a coupling plate on the tractor and a kingpin on the trailer, the coupling plate includes an opening for receiving the kingpin, a locking mechanism for detachably securing the kingpin in the opening of the coupling plate, a driver'"'"'s cab on the truck tractor, and an anti-theft protection device which comprises elements different from those of the locking mechanism is disposed in a housing which is integrally connected to and beneath the coupling plate, the anti-theft protection device is arranged in the housing such that it is not discernible from the outside, wherein the anti-theft protection device is configured to be electrically actuated, the anti-theft protection device comprises a locking part which projects from the housing and which is configured such that it fits a receiving fixture in a lock part of the fifth wheel, which is adapted to be actuated by a bolt part from a first position, wherein the kingpin may be removed from the opening of the coupling plate, and a second position, wherein the lock part provides a mechanical locking of the kingpin within the opening of the coupling plate, and further includes a control unit in the driver'"'"'s cab for unlocking the anti-theft protection device, wherein the housing and the coupling plate comprises a cast structure, and wherein the housing is rigidly fixed to the coupling plate.
3 Assignments
0 Petitions
Accused Products
Abstract
A fifth wheel comprising a coupling plate and an anti-theft protection device, the anti-theft protection device being configured such that it is integrally connected to the coupling plate and can be electrically actuated and the anti-theft protection device being arranged such that it is not discernible from the outside.
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Citations
7 Claims
- 1. A truck tractor-trailer combination comprising a fifth wheel to connect a truck tractor to a trailer, the fifth wheel comprises a coupling plate on the tractor and a kingpin on the trailer, the coupling plate includes an opening for receiving the kingpin, a locking mechanism for detachably securing the kingpin in the opening of the coupling plate, a driver'"'"'s cab on the truck tractor, and an anti-theft protection device which comprises elements different from those of the locking mechanism is disposed in a housing which is integrally connected to and beneath the coupling plate, the anti-theft protection device is arranged in the housing such that it is not discernible from the outside, wherein the anti-theft protection device is configured to be electrically actuated, the anti-theft protection device comprises a locking part which projects from the housing and which is configured such that it fits a receiving fixture in a lock part of the fifth wheel, which is adapted to be actuated by a bolt part from a first position, wherein the kingpin may be removed from the opening of the coupling plate, and a second position, wherein the lock part provides a mechanical locking of the kingpin within the opening of the coupling plate, and further includes a control unit in the driver'"'"'s cab for unlocking the anti-theft protection device, wherein the housing and the coupling plate comprises a cast structure, and wherein the housing is rigidly fixed to the coupling plate.
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6. A truck tractor-trailer combination comprising a fifth wheel to connect a truck tractor to a trailer, the fifth wheel comprises a coupling plate on the tractor and a kingpin on the trailer, the coupling plate includes an opening for receiving the kingpin, a locking mechanism for detachably securing the kingpin in the opening of the coupling plate, a driver'"'"'s cab on the truck tractor, and an anti-theft protection device which comprises elements different from those of the locking mechanism is disposed in a housing which is integrally connected to and beneath the coupling plate, the anti-theft protection device is arranged in the housing such that it is not discernible from the outside, wherein the anti-theft protection device is configured to be electrically actuated, the anti-theft protection device comprises a locking part which projects from the housing and which is configured such that it fits a receiving fixture in a lock part of the fifth wheel, which is adapted to be actuated by a bolt part from a first position, wherein the kingpin may be removed from the opening of the coupling plate, and a second position, wherein the lock part provides a mechanical locking of the kingpin within the opening of the coupling plate, and further includes a control unit in the driver'"'"'s cab for unlocking the anti-theft protection device, wherein the housing and the coupling plate comprises a welded structure, and wherein the housing is rigidly fixed to the coupling plate.
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7. A truck tractor-trailer combination comprising a fifth wheel to connect a truck tractor to a trailer, the fifth wheel comprises a coupling plate on the tractor and a kingpin on the trailer, the coupling plate includes an opening for receiving the kingpin, a locking mechanism for detachably securing the kingpin in the opening of the coupling plate, a driver'"'"'s cab on the truck tractor, and an anti-theft protection device which comprises elements different from those of the locking mechanism is disposed in a housing which is integrally connected to and beneath the coupling plate, the anti-theft protection device is arranged in the housing such that it is not discernible from the outside, wherein the anti-theft protection device is configured to be electrically actuated, the anti-theft protection device comprises a locking part which projects from the housing and which is configured such that it fits a receiving fixture in a lock part of the fifth wheel, which is adapted to be actuated by a bolt part from a first position, wherein the kingpin may be removed from the opening of the coupling plate, and a second position, wherein the lock part provides a mechanical locking of the kingpin within the opening of the coupling plate, and further includes a control unit in the driver'"'"'s cab for unlocking the anti-theft protection device, and wherein the housing is rigidly fixed to the coupling plate.
Specification