Invention Grant
US09073381B1 Wheeled compass 有权
轮式指南针

Wheeled compass
Abstract:
A wheeled compass including a shaft having a first portion, including a first end, and a second portion, including a second end, a control rolling member having an adjustable radius, a drawing rolling member having a radius greater than the adjustable radius, the control rolling member and the drawing rolling member being co-axially arranged on the shaft, and a drawing arm coupled to the shaft, the drawing arm being adapted to hold a drawing instrument. The wheeled compass can include a motor, in communication with the control rolling member and the drawing rolling member, adapted to move the wheeled compass. The control rolling member can include a plurality of adjustable rods/adjustable arms. The control rolling member can also include a flexible member to adjust the radius of the control rolling member to correspond to the radius of the wanted circle. The control rolling member can also include a housing.
Information query
Patent Agency Ranking
0/0