Title:
PARALLEL STRADDLE COMPASS
Document Type and Number:
Japanese Patent JP2010076407
Kind Code:
A
Abstract:
To provide a drafting compass in which arms are straddled in parallel.
The parallel straddle compass for drafting is characterized by parallel straddle for both legs of compass by adjustable pin conjugation of a center point main leg and a drawing leg with a pen nib, through a double-articulated mechanism of a pantograph that has a translation function of a parallelogram shape.
Inventors:
ONISHI YASUO
Application Number:
JP2008272500A
Publication Date:
April 08, 2010
Filing Date:
September 24, 2008
Export Citation:
Assignee:
ONISHI YASUO
International Classes:
B43L9/14
Domestic Patent References:
JPS61155188U | 1986-09-26 | |||
JPH0248388U | 1990-04-04 |
Previous Patent: BOAT TYPE PIN
Next Patent: NOTEBOOK OR SLIP FOR OFFICE WORK WITH ATTACHED MARK TO BE SQUARE
Next Patent: NOTEBOOK OR SLIP FOR OFFICE WORK WITH ATTACHED MARK TO BE SQUARE