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:
Feb. 03, 2004
Filed:
Dec. 08, 2000
Yasuhiro Naoe, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A multi-beam source unit is disclosed wherein an arranged direction of light emitting points of a multi-beam laser diode relative to a horizontal scanning direction of a scanning optical system can be aligned with a predetermined standard design line. In this multi-beam source unit, a base member ( ) is formed with a pressing plate mounting portion ( ) which has a fitting hole ( ) and which supports a multi-beam laser diode ( ) rotatably, a cutout portion ( ) for aligning the direction of a virtual straight line with the direction of a standard design line is formed in a stem ( B), a positioning groove ( A) which cooperates with the cutout portion ( ) to align the direction of the virtual straight line with the direction of the standard design line is formed in the pressing plate mounting portion ( ) as a mounting seat portion, a tip of jig ( ) inserted through the positioning groove ( A) is brought into engagement with the cutout portion ( ), and in this aligned state of the cutout portion ( ) with the positioning groove ( A) the multi-beam diode ( ) is pressed and fixed to the base member ( ) by means of a pressing plate ( ) which presses a back side of the stem B.