Tire pressure gauge

Details Tire pressure gauge Tire pressure gauge

Filed on

1994-03-16

Date issued

1995-07-25

Examiner

Chilcot, Jr., Richard E.

Patent Class

Measuring and testing

SubClass

Tire, tread or roadway

SubSubClass

Tire inflation testing installation

Other Related Categories

73744, B60C 2302

Type

Patent

Status

active

Patent number

054351731

Description

ABSTRACT:
A tire pressure gauge comprises an outer housing seat provided with a semicircular slot having one open end provided with a ring-shaped edge and having another open end provided with a semicircular arresting edge. A first outer housing cover is used to fix a guide tube. The outer housing seat is provided with a battery compartment and a lamp socket extending from the periphery of the battery compartment toward the outer edge of the outer housing seat. A second outer housing cover is used to fix the batteries and the lighting fixture. The guide tube is provided at the front end thereof with a partition having a protruded column extending outwards from the center thereof. The protruded column is provided in one side thereof with an air hole. Disposed sequentially behind the partition in the guide tube are a piston, a pressure scale, a spring and a plug having a through hole dimensioned to permit the pressure scale to extend therethrough.

REFERENCES:
patent: 3889530 (1975-06-01), Bluem
patent: 4779457 (1988-10-01), Hwang
patent: 5025244 (1991-06-01), Hwang
patent: 5168751 (1992-12-01), Hwang
patent: 5233864 (1993-08-01), Hwang
patent: 5365967 (1994-11-01), Moore

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