公开(公告)号：US3610269A

公开(公告)日：1971-10-05

申请号：US3610269D

申请日：1970-04-22

Applicant: DIAMOND U PRODUCTS INC

Inventor： ADAMS DONALD L

IPC: B60C23/00 ,  F16K15/20

CPC classification number: B60C23/0496 ,  Y10T137/2617 ,  Y10T137/3662 ,  Y10T137/8326

Abstract: A pressure gauge and valve for a tire which includes a housing adapted to be force fitted in the wall of a tire, an open receptacle in the outer end of the housing, a passage establishing communication through the housing between the tire and the receptacle, a spring-urged plunger accommodated for movement within the receptacle, the position thereof indicating the tire pressure, a valve through which the tire is inflated accommodated within the plunger, and cooperating valve head and valve seat formations on the plunger and receptacle to form a seal when the tire pressure falls below a predetermined level.