Indicating instrument
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Mar 2, 1995
filing date -
Aug 6, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is to provide an indicating instrument useful to a speedometer for a vehicle. An internal driving unit (2) is secured to a printed circuit board (1), and a cylindrical rotating shaft (6) is carried by bearings (4, 5) of the internal driving unit (2). A pointer (9) is secured to the rotating shaft (6) and rotated via the rotating shaft (6) by the internal driving unit (2). A light emitting diode (12) is disposed inside the rotating shaft (6) and secured to the printed circuit board (1). Light emitted by the light emitting diode is collected by a light collecting portion (9a) of the pointer (9), reflected by a reflecting portion (9b) and illuminates the pointer (9).
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