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:
Jan. 24, 1995
Filed:
Mar. 10, 1993
Applicant:
Inventors:
Mitsugi Shimoda, Tokyo, JP;
Hiroaki Hatori, Tokyo, JP;
Yoshinori Takubo, Tokyo, JP;
Takashi Masuda, Tokyo, JP;
Hirokazu Takada, Gunma, JP;
Assignee:
Max Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43L / ;
U.S. Cl.
CPC ...
33 181 ; 33 / ;
Abstract
In order to reduce an impact noise which is made when a pen lifting rail (5) is swung up into contact with a pen support arm (4) in a writing apparatus wherein the arm is swung up and down by swinging the rail up and down, in the present invention, immediately before the pen lifting rail (5) being swung up by de-energizing a solenoid, which is energized to swing down the rail, comes into contact with the bottom of the pen support arm (4), the solenoid is instantaneously energized to slow down the upward swinging of the rail to reduce the impact noise.