Distance measuring wheel device
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United States of America Patent
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Nov 6, 2018
Grant Date -
Mar 15, 2018
app pub date -
Sep 9, 2016
filing date -
Sep 9, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A distance measuring wheel device includes a base and a counter is arranged inside the base and laterally connected to the axle of a first gear. Two connection arms respectively extend from the base. The wheel is rotatably between the two connection arms. Each end of the axle of the wheel is rotatably connected with one end of each connection arm opposite to the base. A first chain gear is connected to the axle of the wheel corresponding to the first gear. A second gear is rotatably arranged at one side of the base and engaged with the first gear. A third gear is coaxially linked to the second gear. A fourth gear is engaged with the third gear. The second chain gear is coaxially linked to the fourth gear. The chain is surrounded and engaged with the first chain gear and the second chain gear.
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