Distance measuring wheel device

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.

Dependencies are inferred from the claim text.