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. 06, 2015
Filed:
Jan. 09, 2013
Primax Electronics Ltd., Neihu, Taipei, TW;
Yi-Liang Chen, Taipei, TW;
Wen-Hsien Yen, Taipei, TW;
Primax Electronics Ltd., Neihu, TW;
Abstract
A paper roll fixing device of a printer is provided. The paper roll fixing device includes a first supporting member and a second supporting member. The first supporting member includes a first supporting protrusion part and plural first auxiliary rollers. The second supporting member includes a second supporting protrusion part and plural second auxiliary rollers. The first supporting protrusion part and the second supporting protrusion part are inserted into two ends of a hollow shaft of a paper roll. Consequently, the paper roll is fixed in the space between the first supporting member and the second supporting member, and supported by the first auxiliary rollers and the second auxiliary rollers. Moreover, especially, the paper roll fixing device is applicable to a variety of paper rolls with different diameters.