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:
Dec. 09, 1997
Filed:
Nov. 10, 1994
Applicant:
Inventors:
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ; G01D / ;
U.S. Cl.
CPC ...
347215 ; 347218 ;
Abstract
A transmission device is provided for transmitting an output of a drum motor to a drum on which a sheet of paper is mounted, for driving the drum. The transmission device has a plurality of pulleys and a timing belt. Each of the pulleys has a plurality of grooves to be engaged with projections of the timing belt. The number of the grooves is determined to times of an integer number.