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.:

US 7396172 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 08, 2008

Filed:

Sep. 21, 2005
Applicants:

Ling-hwee Ong, Singapore, SG;

Ai-meng Cheah, Singapore, SG;

Hoong-wai Wong, Singapore, SG;

Wing-kong Lo, Singapore, SG;

Yew-sia Liem, Singapore, SG;

Raghuveer Mudambi Srinivasan, Singapore, SG;

Inventors:

Ling-Hwee Ong, Singapore, SG;

Ai-Meng Cheah, Singapore, SG;

Hoong-Wai Wong, Singapore, SG;

Wing-Kong Lo, Singapore, SG;

Yew-Sia Liem, Singapore, SG;

Raghuveer Mudambi Srinivasan, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 11/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A carriage system for a printing apparatus is disclosed. The carriage system includes a movable carriage for carrying at least one ink pen, a carriage rod on which the carriage is rotatably mounted, an anti-rotation rail that is adjacent to one end of the carriage to prevent the rotation of the carriage in one direction, and a spring-loaded preloader coupled to an underside of the carriage to prevent the rotation of the carriage in the opposite direction and to urge the carriage against the anti-rotation rail. The preloader includes a preloader body made of a nonmetallic material, a roller operable to roll along a surface below the carriage, and a resilient spring.


Find Patent Forward Citations

Ong, Ling-Hwee. (2008). Carriage preloader and carriage system having a preloader (U.S. Patent No. 7396172). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7396172

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