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. 06, 2013
Filed:
Mar. 11, 2011
Chia-tsui Lan, Taipei, TW;
Chia-Tsui Lan, Taipei, TW;
Primax Electronics Ltd., Neihu, TW;
Abstract
A paper roll fixing device of a printer includes a first supporting base, a second supporting base, a first fixing member and a second fixing member. The first fixing member comprises a rotatable first fixing slab. The second fixing member comprises a rotatable second fixing slab. When the first fixing slab and the first fixing slab are pushed by a paper roll, the first fixing slab and the first fixing slab are rotated to the position without stopping the paper roll from entering or leaving the space between the first supporting base and the second supporting base. As a consequently, the paper roll can be smoothly introduced into or removed from the paper roll fixing device. By the paper roll fixing device, the paper roll can be introduced into or removed from the paper roll fixing device with a single hand or in a single step.