Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7191642 | Method, apparatus and system for measuring brake force A brake force measurement system comprises at least one sensor configured to generate an output indicative of a force applied by to a first braking member associated with a rotatable wheel of a vehicle by a second braking member. The second braking member may be an ... | 03/20/2007 |
| 7066439 | Three directional support mechanism for vehicle wheels A device with at least a supporting arrangement is coupled to a movement-system making the upper-plate moving. The device is characterized in that it includes a mechanism by which the supporting arrangement may be moved vertically thanks to the operation of a moveme... | 06/27/2006 |
| 7043396 | Methods for measuring alignment in customized vehicles A method and apparatus for guiding an operator in the alignment of the wheels of an automotive vehicle which has been either modified from a original manufacturer configuration, or for which no previously established alignment settings are known. Initially, the oper... | 05/09/2006 |
| 6612152 | Lifting, servicing, and diagnosing automobiles A system for servicing a racing car or other car at a track, other race course, or similar destination employs an open platform for supporting the car by its tires in a horizontal position. The platform supports the car, and is itself supported by a crawl... | 09/02/2003 |
| 6047594 | Digital turn plate apparatus A digital turn plate apparatus for aligning steering systems of wheeled devices. The turn plate apparatus has a rotational degree of motion for determining the angle of wheel alignment. The turn plate apparatus also has lateral and longitudinal degrees of... | 04/11/2000 |
| 5467645 | Remote brake performance testing system/method A remote system (10)/method for testing vehicle brake or brake system performance of vehicles (30) driving past a testing module (36) adjacent a test roadway (28A) is provided. Preferably, the system/method is associated with a typical highway weight stat... | 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 |
| 5379636 | 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... | 01/10/1995 |
| 5305636 | Plate brake tester and method A plate brake tester for testing the adequacy of the brakes of a vehicle, particularly suited for testing the brakes of multi-axle vehicles, includes weight bearing plates suitably sized to receive thereon wheel/tire assemblies of a vehicle as the vehicle... | 04/26/1994 |
| 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 |
| 5129260 | Plate brake tester A plate brake tester for testing the brakes of a motor vehicle, comprises two pair of tread plates one beside the other, each of said tread plates having a measuring device for measuring the force exerted on the tread plate, a processing unit for processi... | 07/14/1992 |
| 5083456 | 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... | 01/28/1992 |
| 4912970 | Diagnostic testing device A diagnostic testing device for diagnosing and testing chassis, mechanical, tire and tire tread problems in vehicles which simulates normal operating angles and normal vehicle weight conditions with the wheels of the vehicle being cycled and steered at a ... | 04/03/1990 |
| 4011751 | Brake tester Vehicle brake testing apparatus of the type in which there are yieldable restrained pairs of tread plates engaging the front wheels and rear wheels of a vehicle in which there is means for producing an electrical signal depending in value upon the braking... | 03/15/1977 |
