Grooved wheel-contact rollers for vehicle testing apparatus

Details Grooved wheel-contact rollers for vehicle testing apparatus Grooved wheel-contact rollers for vehicle testing apparatus

1975-04-14

1976-09-28

Myracle, Jerry W.

Measuring and testing

Brake testing

Roller or belt wheel support

G01L 528

Patent

active

039824284

ABSTRACT:
Wheel-contact rollers for a vehicle test-bed have helical grooves formed in their outer surfaces to improve start-up friction by providing fast removal of water and other foreign materials from tire surfaces. The grooves are preferably formed by a thread-cutting or thread-forming process. The helical grooves should be equally-sloped left-hand and right-hand threads, in order to provide balanced side-to-side forces on the tire; however, the opposing left and right hand slopes may be formed on separate rollers, i.e., one slope on the left wheel roller and the opposite slope on the right wheel roller.

REFERENCES:
patent: 2144793 (1939-01-01), Christensen
patent: 2696104 (1954-12-01), Markey et al.
patent: 3585855 (1971-06-01), Albertson
patent: 3651758 (1972-03-01), Harrod

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