Title:
TIRE AIR PRESSURE ALARM
Document Type and Number:
Japanese Patent JP2003065870
Kind Code:
A
Abstract:
To provide an inexpensive tire air pressure alarm capable of simply and easily informing of the tire pressure state.
This air pressure alarm is constituted from an outside frame body having a light emitting diode mounted thereon, an electric circuit chamber, a cylinder chamber and a valve core pressing member, a piston body comprising a pin type lithium battery moving vertically in the outside frame body, a press spring for imparting an energizing force downward to the piston body, and an electric circuit installed in the electric circuit chamber and having a structure for feeding the light emitting diode when the piston body is lowered.
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Inventors:
MORI KEIJI
Application Number:
JP2001251077A
Publication Date:
March 05, 2003
Filing Date:
August 22, 2001
Export Citation:
Assignee:
MORI KEIJI
International Classes:
G01L17/00; B60C23/04; G01L9/00; (IPC1-7): G01L17/00; B60C23/04; G01L9/00
Attorney, Agent or Firm:
Masayuki Tsukiyama