Device for measuring tire pressure and tire tread depth

Details Device for measuring tire pressure and tire tread depth Device for measuring tire pressure and tire tread depth

1989-10-26

1990-11-20

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73744, 340442, B60C 2302, G01L 716

Patent

active

049708945

ABSTRACT:
A safety device includes a compacted body accommodating a pressure gauge for determining the internal pressure of a tire and a unit for determining the degree of wear caused to the tread of a tire, which includes a slide ruler to measure the depth of the indentations in the tread of the tire. The slide ruler is received in a slide groove provided in the body of the device and associated with graduation marks which show the depth of the indent in the tire tread when the slide ruler extends thereinto.

REFERENCES:
patent: 4526030 (1985-07-01), Vecera, Jr.
patent: 4574629 (1986-03-01), Weng
patent: 4916944 (1990-04-01), Ho-Chuan

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