.~.~.~.~> With additional detachable or shiftable gooseneck
DEFINITION
Classification: 280/425.1
Coupling and uncoupling with facilitating lift means:
(under subclass 423.1) Vehicles in which there is provided power or manually actuated lift means on the tractor or reacting between the tractor and trailer to vertically position the connecting members (a) for coupling, or (b) to raise the trailer after coupling.
(1) Note. Devices wherein the trailer is raised or lowered by relative movement between the vehicles and direct contact with a camming surface on the tractor are not included in this subclass. This subclass does include devices wherein the tractor fifth wheel member is elevated or lowered by cams on the tractor, the power being provided by movement of the tractor.
(2) Note. Also included are tractors commonly referred to as "terminal tractors" having fifth wheels which are raised after coupling to enable trailer movement without retracting the landing gear.
SEE OR SEARCH THIS CLASS, SUBCLASS:
477+, for coupling facilitating devices for articulated vehicles other than the semitrailer type and see the search notes thereto.
SEE OR SEARCH CLASS
298, Land Vehicles: Dumping, 22, for dumping bodies raised by the fifth wheel.
414, Material or Article Handling,
482, for a coupling lift to lower the rear end of the trailer to facilitate loading.
