Speedometer for vehicle

Details Speedometer for vehicle Speedometer for vehicle

1997-03-27

1999-10-19

Chilcot, Richard

Measuring and testing

Instrument proving or calibrating

Speed, velocity, or acceleration

73488, 116 621, 116 622, 116 623, 324160, 340441, 340936, G01P 107

Patent

active

059692243

ABSTRACT:
An object of the present invention is to provide a speedometer capable of distinctly indicating traveling speeds in a range of traveling speeds at which a vehicle travels in most of the time. A speedometer has a scale plate provided with a main speed scale of a substantially semicircular shape. The overall scale range of the main speed scale is divided by division points into four equal sections, and scale marks 5, 10, 15 and 45 mph are marked on the main speed scale at the division points, respectively. A low-speed range, i.e., a working speed range, of 0 to 15 mph extends in 3/4 of the overall scale range and the working speed range is graduated in quinary divisions of 5 mph. Therefore, speed indications in the low-speed range can accurately be read with an increase number of digits.

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