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:
Aug. 02, 1988
Filed:
Dec. 22, 1986
Fumihisa Hori, Takizawa, JP;
Alps Electric Co., Ltd., , JP;
Abstract
A two color printer of the ink roll type which can attain change-over in color with high accuracy with a simple construction. The printer comprises a plurality of type wheels arranged in a row and a pair of ink rolls in which inks of different colors are impregnated. A change-over cam is integrally provided on an end one of the type wheels and has first and second cam sections formed in an axially and circumferentially displaced phase relationship thereon. The ink rolls are carrier on a roll carrier which is mounted for pivotal and sliding movement toward and away from the type wheels and has first and second cam pawls opposed to the first and second cam sections of the change-over cam, respectively, whereby the first and second cam pawls of the roll carrier are alternately engaged with the first and second cam sections of the change-over cam, respectively, to selectively contact one of the ink rolls with the type wheels.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile