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:
Sep. 26, 1989
Filed:
Dec. 11, 1987
Applicant:
Inventors:
Tomohiro Nakajima, Matsudo, JP;
Takeshi Komurasaki, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350631 ; 248473 ; 350-68 ;
Abstract
An optical apparatus in which optical devices are abutted against reference planes for positioning secured in the housing case of an optical system, and the housing cover is put on said housing case. On the inside surface of the housing cover a rib is provided to restrict the movement of the optical devices with the cover securely put on the housing case.