Class 73/123 - Roller or belt wheel support

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein vehicle wheels are supported upon
No. of patents: 36
Last issue date: 09/13/2011

Number	Title	Issue Date
8015863	Chassis dynamometer having an eddy current brake with adjustable air gap and modular components A chassis dynamometer is disclosed having a dynamometer drum member, a housing member to house a stator, a shoe member to form a gap with the dynamometer drum member, an extension shaft member to radially vary the gap dimension. The extension shaft member may extend...	09/13/2011
7752903	Roller brake testing dynamometer The present invention relates to a roller brake testing dynamometer (P) for vehicles whose braking forces are to be ascertained, wherein there is provided at least one roller (L) which is driven by way of a drive (A) in order in turn to drive a vehicle tire (R) bear...	07/13/2010
7685872	System and a method for vehicle testing and resulting valuation A method for automatic vehicle testing, inspection and valuation for a manual front wheel drive vehicle. The method includes connecting a probe for the emission test to the exhaust pipe and connecting the rpm cable to the cigarette lighter before starting the test. ...	03/30/2010
7584654	Roller brake testing dynamometer The present invention relates to a roller brake testing dynamometer (P) for vehicles whose braking forces are to be ascertained, wherein there is provided at least one roller (L) which is driven by way of a drive (A) in order in turn to drive a vehicle tire (R) bear...	09/08/2009
7406862	Apparatus and method for inspecting brake system of two-wheeled vehicle An apparatus and a method for inspecting a brake system of a two-wheeled vehicle are provided, which not only can reduce the time required for each inspection of the two-wheeled vehicle to efficiently perform inspection of the two-wheeled vehicle, but also remarkabl...	08/05/2008
7392693	Test stand for motor vehicles A test stand for motor vehicles with a roller assembly (1) having a contact surface (3) for rolling the wheels (2), with the contact surface (3) being rotatably driven and adapted to be blocked, and/or braked, and/or released. The roller ...	07/01/2008
7377153	Dynamometer frame A roller support assembly for a dynamometer system includes a plurality of bearing support structures wherein each bearing support structure includes at least one roller bearing, at least one vertical support assembly for supporting the at least one roller bearing i...	05/27/2008
7318340	Vehicle positioning apparatus A vehicle positioning apparatus capable of avoiding the elastic deformation of the tires or the development of histeresis in and around the legs allows a vehicle to be positioned with high accuracy. The apparatus includes two front wheel guide units 10 and tw...	01/15/2008
7272476	Universal automotive maintenance component controller apparatus A computer-implemented universal automotive maintenance component controller apparatus that may be used as common core enabling a user to interface with, control, and analyze data from, various modular automotive maintenance or diagnostic equipment and/or components...	09/18/2007
7213449	Flat track chassis dynamometer A chassis dynamometer for use with a test vehicle such as a snowmobile is provided. First and second spaced apart rolls support the test vehicle. A belt is arranged around the first and second rolls and rotationally couples the rolls to one another. The belt include...	05/08/2007
7203602	Method for operating a roller test bench and roller test bench A method and an apparatus for operating a test bench, e.g. a roller test bench, for carrying out simulation drives of a vehicle placed on the test bench. At least one vehicle wheel contacts at least one roller of the roller test bench. To determine the roller setpoi...	04/10/2007
7134326	Apparatus and method for inspecting motorcycle An apparatus and method for inspecting a motorcycle. A braking force inspecting unit is provided for calculating a braking force from results measured by a torque measuring unit to determine whether the braking force is acceptable or not when a brake is fully applie...	11/14/2006
7117730	Method and device for simulating slip on vehicle test benches A device for simulating slip on vehicle test benches wherein a vehicle wheel which rolls on a movable testing surface of a test device such as a test roller or flat belt and performs the object of changing the frictional force between the wheel and the testing surfa...	10/10/2006
7021401	Hammer An electrically powered hammer comprising a hammer housing (10,15) with a hollow cylindrical spindle (4) mounted within it and an air cushion hammering mechanism mounted within the spindle for generating repeated impacts on a tool or bit of the hammer ...	04/04/2006
6860145	Chassis dynamometer A motorized chassis dynamometer machine. In one embodiment, the dynamometer machine includes a fixed frame assembly. At least one roller assembly is mounted on the fixed frame assembly. At least one independent motor assembly is connected to each roller assembly. Th...	03/01/2005
6601445	Roller type test stand for testing motor vehicles and/or tires A roller type test stand for motor vehicles and/or wheel/tire combinations including at least one running roller for supporting the wheels, a supporting frame and a drive arranged between the running rollers. The drive is a motor/transmission combination ...	08/05/2003
6601441	Device and method for verifying the operation of a chassis dynamometer A test device and method for verifying the proper operation of a dynamometer is described. The inventive test device is portable and simple to operate, allowing dynamometer accuracy to be readily tested in the field....	08/05/2003
6257054	Portable roller dynamometer and vehicle testing method A roller dynamometer is provided, having at least one supporting carriage having a rotatable roller and a dynamometer linked to the roller for measuring torque output of a vehicle. The carriages are rollable on a substrate for positioning under a vehicle....	07/10/2001
6012329	Method and apparatus for testing tires on a motor driven roller set In the tire examination method before and after an alteration in the tire pressure a respective interferogram is produced of the tire surface using coherent radiation and the interferogram is converted into a modulo 2 π image, which for its part is proce...	01/11/2000
5945598	Dynamometer test apparatus for aircraft brakes The invention is in the field of dynamometer testing of aircraft wheel and brake assemblies and, more particularly, relates to the simulation of brake and landing gear vibration dynamics on a dynamometer. The test apparatus and method according to the inv...	08/31/1999
5756889	Automatic tire restraints for chassis dynamometers A device for restraining the driving tires of a vehicle on a chassis dynamometer which includes sidewall rollers that position themselves automatically as the vehicle approaches the dynamometer and which lock in place before the dynamometer test begins. T...	05/26/1998
5705744	Vehicle brake system checking method A method checks a vehicle brake system rapidly and reproducibly to measure the correlation between the brake pedal travel and the retardation produced. A test-bed routine is called up in the control unit. During the operation of the test-bed routine, the ...	01/06/1998
5656764	Mobile speedometer tester A mobile speedometer tester comprising at least two main wheels rotatably attached to a trailer frame, and a trailer frame. A target disk, pickup and totalizer measure the rate of roller rotation, and bellcranks rotatably mounted to the trailer frame allo...	08/12/1997
5621168	Simulator for testing an ABS modulator A simulator for testing an Anti-lock braking system modulator capable of easily setting the yawing of a vehicle and disproportionate concentration of a vehicle weight according to the various vehicle weights and diverse road surface conditions has wheels ...	04/15/1997
5495753	Apparatus and method of testing anti-lock brake system An apparatus for testing an anti-lock brake system has rolls and device for detecting rotational changes of the rolls. The test is performed by running a vehicle having mounted thereon the anti-lock brake system while wheels of the vehicle are placed on t...	03/05/1996
5467646	Process and device for controlling the braking of four-wheel drive vehicles Process and device for controlling the braking of a brake bench of a wheeled vehicle having plural interconnected drive shafts, each shaft having a differential. One wheel on a shaft is driven in the forward direction and the other wheel on the same shaft...	11/21/1995
5452607	Drive on roller brake dynamometer shuttle system, trailer and method of using same A roller brake dynamometer includes shuttle wheels which engage the dynamometer rollers and are movable between raised and lowered ground engaging positions. The shuttle wheels may be rotated in the same or opposite directions to move the dynamometer forw...	09/26/1995
5450748	Multiple function chassis dynamometer and method A simple, compact and inexpensive chassis dynamometer capable of performing a multiplicity of tests and of simulating a variety of conditions, including wind resistance, weight of the vehicle and grade or slope of a road, includes first and second pairs o...	09/19/1995
5339682	Apparatus and method of testing anti-lock brake system An apparatus for testing an anti-lock brake system has rolls and device for detecting rotational changes of the rolls. The test is performed by running a vehicle having mounted thereon the anti-lock brake system while wheels of the vehicle are placed on t...	08/23/1994
5230242	Plate brake tester apparatus and method The brakes of a two-axle vehicle are tested by weighing the vehicle and measuring the braking forces for both axles to determine the actual ratio of front axle braking force to total braking force. The deceleration applied to the vehicle is determined fro...	07/27/1993
5148703	Vehicle inspection trailer A vehicle inspection facility comprises a horizontal base frame supporting a pair of brake testing sub-assemblies. Each sub-assembly comprises a driven roller and a companion roller, and includes means for rotating the driver roller for rotating the wheel...	09/22/1992
5005405	Method of testing an anti-lock brake control system of a motor vehicle A method of testing the performance of an anti-lock brake control system of the type wherein an electronic control circuit signals each modulator to increase, decrease, or hold the hydraulic fluid pressure on the corresponding wheel brake as required by t...	04/09/1991
4932252	Method and device for testing an anti-skid braking system (ABS) of a motor vehicle Method and device for testing an anti-skid braking system (ABS) of a motor vehicle, using a roller test bench with at least four rollers or pairs of rollers. These rollers are put into rotation by the roller bench and braked by the brakes of the vehicle. ...	06/12/1990
4280359	Rotary cam drive for impact tool A hammer drill has a housing provided with a tool chuck in which a tool is to be mounted. A drive is provided which is capable of rotating and/or axially impacting the tool chuck. This drive includes a piston reciprocable in axial direction of the tool ch...	07/28/1981
4044609	Wheel-engaging roller structure for vehicle testing apparatus A roller is disclosed which is intended to have frictional engagement with a vehicle wheel during a testing operation and which is constructed by welding together: a central supporting shaft, a plurality of outwardly-extending axially-spaced supporting di...	08/30/1977
3952589	Apparatus for testing a wheeled vehicle The disclosure describes an improved apparatus for testing a wheeled vehicle utilizing wheel-supporting rollers. All the wheel-supporting rollers are constrained to rotate at the same peripheral speed. Means are provided for measuring the angular accelera...	04/27/1976

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Class 73/123 - Roller or belt wheel support