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:
Oct. 18, 1988
Filed:
Aug. 13, 1987
Jun Taniguchi, Tamayama, JP;
Fumihisa Hori, Takizawa, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A printer comprising a printing drive gear for generating a print operation output and having a print control cam for controlling a print operation; a paper feed control cam adapted to be rotated with the printing drive gear as a unit for controlling a paper feed operation; a paper feed driving intermittent gear for generating a paper feeding output; a ratchet wheel for controlling an output timing of the paper feed driving intermittent gear; a print control lever adapted to be moved in association with the print control cam and be releasably engaged therewith; a paper feed control lever adapted to be moved in association with the paper feed control cam; a pawl lever adapted to be moved integrally with the paper feed control lever and be releasably engaged with the ratchet wheel; and an electromagnetic clutch capable of generating a first rotative output for driving the print control lever and a second rotative output for driving the paper feed control lever and the pawl lever, wherein the paper feed control cam has such a shape as to disengage the pawl lever from the ratchet wheel after printing of a type at a final column.