Guide system for optical systems, particularly zoom systems

Details Guide system for optical systems, particularly zoom systems Guide system for optical systems, particularly zoom systems

2006-06-20

2006-06-20

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S703000, C359S704000, C359S821000

Reexamination Certificate

active

07064911

ABSTRACT:
The invention relates to a guide system for optical systems, particularly for zoom systems, with which optical assemblies such as lenses and/or sets of lenses can be moved along an optical axis (16). The proposed guide system comprises a housing (2) defining an internal diameter (1) and extending along the optical axis (16). A slide (3) is configured to accommodate an optical assembly (19) and has a sleeve segment (15) which has on its outside a plurality of contact surfaces (4) for abutment on the internal diameter (1) of the housing (2). For defined movement of the slide (3) along the optical axis (16) a drive unit (12) is provided. A device (17) serves to hold the sleeve segment (15) at the internal diameter (1), another device (18) serves to secure the slide (3) against rotation in the cross-sectional area of the housing. The guide system according to the invention provides guidance which is absolutely free from play and low in friction. Openings (10) in the housing allow access to the lenses for adjustment and cleaning.

REFERENCES:
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patent: 11084210 (1999-03-01), None
patent: 11305103 (1999-11-01), None

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