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:
Nov. 17, 1998
Filed:
Apr. 16, 1997
Heinrich Hippenmeyer, Freiamt, DE;
Christoph Anselment, Waldkirch/Breisgau, DE;
Sick AG, Waldkirch/Breisgau, DE;
Abstract
A rotary mirror arrangement (10) for changing the focus of an already focused laser beam is characterized in that a plurality of deflecting mirrors (12) of different focal length are secured on one side of a base plate (14) which is rotatably journalled on a stationary latch plate (16) arranged on the opposite side and can be latched with the latter in various rotational positions. In a respective latch position, a relevant deflecting mirror (12) is pivoted into the beam path of the incident light beam (LS). The base plate (14) is displaceably journalled on the latch plate (16) in the direction of the axis of rotation (A) and is held against the latch plate by spring force (18). The base plate (14) is supported by a three-point mounting on the latch plate (16) The mounting includes, in particular, three ball-segment-like projections (20) which cooperate with a conical bore (22), a wedge-shaped groove (24), or a lower disposed section (26) of the latch plate (16) or of the base plate (14) in order to unambiguously and reproducibly fix the base plate (14) in the respective latched position,