Signal transmission device for towing vehicle
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United States of America Patent
Stats
-
Jun 29, 2010
Grant Date -
Jul 2, 2009
app pub date -
Jul 17, 2008
filing date -
Jan 2, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A signal transmission device is used for connection between a first electrical connector at a truck-tractor of a towing vehicle and a second electrical connector at a trailer of the towing vehicle. The signal transmission device includes first and second magnetic holders, third and fourth electrical connectors mounted to the first and second magnetic holders respectively, a stretchable coil tube, and a cable. The first magnetic holder is adapted to be attached to the truck-tractor and the second magnetic holder is adapted to be attached to the trailer. The third electrical connector is adapted for connecting the first electrical connector at the truck-tractor and the fourth electrical connector is adapted for connecting the second electrical connector at the trailer. The cable is spirally inserted through the stretchable coil tube and provided with two ends electrically connected with the third and fourth electrical connectors.
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