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. 17, 1984
Filed:
Feb. 11, 1982
Yasuhiko Iwane, Tamayama, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A serial printer of the type having a carriage carrying a type head and adapted to be column-shifted by a cooperation between a rack and a screw member. The printer comprises a rotary shaft adapted to be driven by a suitable power source, a first and second screw members splined to the rotary shaft, a first and second carriages carrying the first and second screw members, the first and second carriages having home positions defined at both ends of the column-shift, spiral screws formed on the first and second screw members and orientated in the opposite directions, and a rack member having short racks formed on both ends thereof and an intermediate long rack, the long rack being engageable selectively with the first and second screw members by a selection of rotational positions of the two short racks.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile