Caliper for use with wheel balancers

Details Caliper for use with wheel balancers Caliper for use with wheel balancers

1994-01-14

1995-12-12

Williams, Hezron E.

Measuring and testing

Rotor unbalance

Tool and adjunct

3355801, G01B 508

Patent

active

054739403

ABSTRACT:
A caliper is provided to be used with an electronic wheel balancer to measure both the diameter and width of a wheel assembly. The caliper includes a pair of pivotally connected arms which are movable between a spread apart position in which the caliper can measure wheel assembly diameter and a crossed position in which the caliper can be used to measure wheel assembly width. Each arm includes a base portion and a measuring arm extending from the base portion. A measuring arm base is defined between the measuring arm and the caliper arm base. A first set of measuring marks are formed in the caliper arm base for use in measuring the wheel diameter. A second set of measuring marks are formed in the measuring arm base for use in determining wheel width. The second marks are calibrated to account for the width of the metal forming the wheel rim. The caliper arm base includes a pointer, positioned opposite the measuring arm. The pointer points to the second set of marks to indicate the measured wheel width. An edge of the caliper arm base is used to read the first set of measuring marks to determine wheel diameter. The measuring arm has a head which has two pointers. One of the pointers is used to determine wheel assembly width, the other is used to determine diameter.

REFERENCES:
patent: 302685 (1884-07-01), Dodson
patent: 345978 (1886-07-01), Lombard
patent: 672424 (1901-04-01), Starrett
patent: 777643 (1904-12-01), Sanger
patent: 832203 (1906-10-01), Kohler et al.
patent: 1281526 (1918-10-01), Curtis
patent: 5154003 (1992-10-01), Moore
patent: 5156049 (1992-10-01), Douglas
Operation Instructions DSP 9000 Wheel balancer Models 9001/9002/9003, Hunter Engineering Company-Copyright 1992.

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