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. 14, 2003
Filed:
Feb. 28, 2001
Kazuhisa Kawakami, Nagano, JP;
Kiyoto Komuro, Nagano, JP;
Toshikazu Kotaka, Nagano, JP;
Takashi Akahane, Nagano, JP;
Yasumichi Okuda, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Springs and are located on the back face of a paper cassette, between a movable plate and a bar , coupled with a side edge aligner . A slot extending in the direction in which a spring load is generated is formed in the movable plate, and a hook portion is formed at the end of the spring in the direction in which the spring is extended or contracted. The length of the slot and the length of the spring end in the direction in which the spring load is generated differ for the individual springs, and correspond to the distance the movable plate is displaced. That is, a size difference is defined for each spring until the spring load is applied. During the insertion of the paper cassette, the movable plate is displaced by the mechanism constituted by the groove cam and the boss , and in accordance with the displacement, different spring loads are multiply applied the paper side edge aligning member via the bar.