Mechanical speed measuring device for a beach buggy

Details Mechanical speed measuring device for a beach buggy Mechanical speed measuring device for a beach buggy

2001-09-10

2003-04-29

Joyce, William C (Department: 3682)

Machine element or mechanism

Power take-off

Speedometer

C073S494000

Reexamination Certificate

active

06553854

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to a mechanical measuring device for a beach buggy, particularly to one easy to assemble and attach on a beach buggy, measuring the rotating speed of a chain wheel of an engine, saving cost for the speed measuring device and having effect of acquiring accuracy of measuring.
A common conventional mechanical measuring device for a beach buggy has a shaft of two wheels is positioned with a direction changing joint to have only one end of the shaft positioned so that the speed measuring device has a single side locking frame. When the shaft of the single side locking frame positions the gear sets of a mechanical speed measuring device, a very complicated structure is needed, because the shaft of the wheels of a beach buggy only has one end firmly positioned with the direction changing joint. So the gear set of the speed-measuring device is not easily fixed, and if compulsorily fixed, the gear set has to be kept in place with a complicated structure causing a high cost.
SUMMARY OF THE INVENTION
The objective of the invention is to offer a mechanical speed-measuring device for a beach buggy easy to assembly and attach on the chain wheel of an engine of a beach buggy, lowering effectively its cost.


REFERENCES:
patent: 1298646 (1919-04-01), Berg
patent: 1465003 (1923-08-01), Schulze
patent: 4869120 (1989-09-01), Kashiwai et al.

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