Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shoji Okada0
Date of Patent
January 10, 2006
0Patent Application Number
110236000
Date Filed
December 29, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A manipulator of a compass for drawing a circle or a compass-cutter for cutting an object in circular configuration is provided with a mechanism for transmitting the force from the user's hand only in one direction. With such the construction, a user can smoothly draw a complete circle at 360 degree, or can cut a paper, a cloth and so on in circular configuration, without re-pinching the manipulator during operation, in a manner for a ratchet which is a commercially available tool.
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