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:
Oct. 01, 2002
Filed:
May. 14, 2001
Applicant:
Inventor:
Paul Grafenhain, Heerbrugg, CH;
Assignee:
Leica Microsystems AG, Heerbrugg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 ; G02B 1/104 ;
U.S. Cl.
CPC ...
G02B 7/02 ; G02B 1/104 ;
Abstract
The invention describes a sleeve ( ) for movably retained eyepiece tubes ( ) for optical devices which rests with its eyepiece-side part ( ) against the outer wall of the eyepiece tube ( ), and with its housing-side part ( ) fits around the inner wall of an opening ( ) in the tube housing ( ) provided for the eyepiece tube ( ). The sleeve ( ) is characterized an immovable fit on both device assemblies ( and ), and is securely protected against even unintentional removal. The result is to achieve a hermetic seal, impermeable to air and moisture, of the relevant parts of the optical device.