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.

Date of Patent:
Aug. 29, 1978

Filed:

Feb. 22, 1977
Applicant:
Inventors:

Kyozo Uesugi, Izumi, JP;

Tsuneyo Metabi, Sakai, JP;

Ryuzo Hachiken, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350255 ; 354195 ; 354286 ;
Abstract

A buffer or cushion made of a plastic material is interposed between an external device exposed to the exterior of a lens barrel and an internal mechanism within the barrel of a lens to absorb any impact applied to the external device and transmitted toward the internal mechanism and the lens unit. The external device may include an ornament ring and a barrel head sleeve and the internal mechanism may include sleeves for shifting the lens unit and members for holding the lens unit.


Find Patent Forward Citations

Loading…