Patent ID: 9541368
Date: 2017-01-10
CPC Classifications: G01B,G01L

Claim:
1. A tire pressure gauge comprising: a housing in which an open accommodating chamber is defined, with the open accommodating chamber having a groove defined around an outer rim thereof relative to the housing and communicating therewith, wherein the open accommodating chamber also has a pressure measuring unit disposed therein, wherein the pressure measuring unit has an air guiding device opposite to the housing, wherein the pressure measuring unit further has a numerical display panel mounted on one end surface thereof relative to the housing, wherein the numerical display panel has a tire pressure displaying area and a tire-tread depth displaying area, wherein the tire-tread depth displaying area is circular to display a tire-tread depth in a clockwise direction; wherein the groove of the housing has a plurality of first orifices defined on two sides thereof, wherein the housing further includes a through hole formed on a predetermined position thereof relative to the plurality of first orifices; wherein the groove of the housing also has a tire-tread depth measuring unit fixed thereon, wherein the tire-tread depth measuring unit contains: