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Class 280/427 - Interrelated operation of coupling, landing gear, and brake


Subclass of Class 280 - Land vehicles
Definition: Devices which are provided with two or more of the following:
No. of patents: 4
Last issue date: 01/11/2005


NumberTitleIssue Date
6840529Articulated pickup truck camper/trailer
A recreational vehicle is made up of a pickup truck, a camper which is releasably mounted on the pickup truck and includes an accessway between the cab of the pickup truck and the camper, and a trailer which communicates with the camper through an articulated passag...
01/11/2005
4943079Temporary trailer brake release system
A system for temporarily releasing spring actuated emergency brakes on semi-trailers without the necessity for the operator to leave the cab of the tractor for movement within marshalling yards comprises an air receiving valve centrally positioned at the ...
07/24/1990
4898400Remote operated hitch apparatus with safety interlock
A remote actuator and interlock for a trailer hitch of the type having a main body, a ball receiving socket at one end of the main body with the other end of the main body being attachable to the end of a trailer. A pivotal member is hinged at the ball re...
02/06/1990
4383696Brake control system for the retractible auxiliary wheel train of a truck trailer
A system for raising and lowering an auxiliary retractable wheel train of a truck trailer to permit neutralizing the braking mechanism of the wheels of the auxiliary train when the latter rises. A selection valve for rising and falling of the auxiliary re...
05/17/1983
 
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