Tire pressure gauge

Details Tire pressure gauge Tire pressure gauge

1990-01-25

1990-10-30

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73744, 116 34R, B60C 2302, G01L 716

Patent

active

049660357

ABSTRACT:
A pen-like pressure gauge has an elongated outer casing with a chuck, having a first portion accommodating a transparent inner casing and a second portion accommodating a piston member which is in sliding and sealing contact with the inner surface of the metallic outer casing and which is connected to a scale member extending into the inner casing. The graduation marks of the scale member can be viewed from a window of the outer casing through the transparent inner casing.

REFERENCES:
patent: 3670688 (1972-06-01), Seaberg
patent: 4768460 (1988-09-01), Soon-Fu
patent: 4873864 (1989-10-01), Huang

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