Invention Grant
- Patent Title: Wheeled compass
- Patent Title (中): 轮式指南针
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Application No.: US14516485Application Date: 2014-10-16
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Publication No.: US09073381B1Publication Date: 2015-07-07
- Inventor: Mohamed Yossry Elmassry
- Applicant: KING SAUD UNIVERSITY
- Applicant Address: SA Riyadh
- Assignee: KING SAUD UNIVERSITY
- Current Assignee: KING SAUD UNIVERSITY
- Current Assignee Address: SA Riyadh
- Agent Richard C Litman
- Main IPC: B43L9/04
- IPC: B43L9/04 ; B43L9/00 ; G01B3/16

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