The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 1979
Filed:
May. 27, 1977
Applicant:
Inventor:
Hiroyuki Nakajima, Tokyo, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346141 ; 33 1 / ;
Abstract
A pen holding device has a pen or pens slidable in a pen holder which is fixed removably to a drafting head frame. The pens are moved up and down by actuating means mounted on the drafting head frame, for drafting and mooring. The engagement of the actuating means to the pens are very easily released by a single releasing mechanism for easy and quick exchange of the pens.