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:
Jul. 12, 1988
Filed:
Feb. 26, 1987
Takashi Onozato, Morioka, JP;
Alps Electrical Co., Ltd., , JP;
Abstract
In a pen pressure device including a carriage, a pen axially movably supported to the carriage in such a manner that a front end of the pen is opposed to a paper, a pen pressure spring for biasing the pen toward the paper, a return spring for biasing the pen in a direction apart from the paper; the improvement comprises a hammer mounted on the carriage and adapted to be biased by the pen pressure spring having a spring force greater than that of the return spring to thereby urge the pen, and a cam member for moving the hammer to a retracted position where the pen is not urged by the hammer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile