Patent ID: 7196616
Filing Date: 2007-03-27
Classification: B60C,G01L

Abstract:
1. A tire pressure warning device with adjustable tire pressure setting for being removably connected to a valve on a tire so as to show a warning signal when the tire has an insufficient tire pressure, comprising: a casing being internally provided with a transverse partition, having a central hole, to divide the inner space of said casing into an upper chamber and a lower chamber, and said upper chamber being provided at an inner side near the top thereof with an annular shoulder portion; a valve structure mounted in said lower chamber of said casing; a membrane mounted on the top of said transverse partition; a bushing mounted in said upper chamber of said casing and located above an annular outer peripheral portion of said membrane, and being provided at the top with a through hole; a push member including a push bar, said push bar being located in said bushing with a lower end of said push bar pressed against said membrane and an upper end upward projected from said through hole of said bushing; and said push bar being formed near the lower end with a radially extended flange; an elastic element being mounted around said push bar of said push member and being located between said flange of said push member and the top of said bushing; at least one pressure-adjusting element being mounted on the top of said push member; a cover being provided at a predetermined position with a through hole, and mounted around the top of said casing; and an elastic fixing element for elastically positioning said at least one pressure-adjusting element between said push member and said cover.