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Class 291/23 - Electric


Subclass of Class 291 - Track sanders
Definition: The sand is dispensed by the operation of an electric motor
No. of patents: 6
Last issue date: 09/06/2005


NumberTitleIssue Date
6789824Land vehicle traction control device
A land vehicle traction control device consisting of a box containing sand, or other suitable anti-skid material, mounted near the wheels of a vehicle, a mechanism which controls the flow of sand to the wheels, and a nozzle that distributes material or sand to the w...
09/14/2004
6170594Method and apparatus for reducing vehicle rollover
A sensor detects force or other indications of an impending rollover of a motorized land vehicle. Upon detection of a threshold force value, the sensor actuates an applicator that delivers traction reducing fluid to the contact patch between at least one ...
01/09/2001
4852949Traction control system
This invention consists of a funnel mounted near the wheel well of a vehicle, which contains marble chips and is activated when a button located on the steering wheel is depressed. The flow of marble chips continues until the button is depressed a second ...
08/01/1989
4789190System for improving the gripping power of a vehicle wheel on a support
A system for improving the power of vehicle wheels on a support, e.g. a winter slippery surface, has nozzles near the wheels supplied with a sticky or tacky liquid from a container under the control of the driver. The container is connected with a doser a...
12/06/1988
4272110Vibratory sander
A sanding device for motor vehicles comprising at least one refillable sand reservoir having a funnel-shaped bottom, its discharge being disposed above a vibrating channel, said channel being set into vibrations by electric energy and conveying the sand t...
06/09/1981
 
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