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:
Feb. 05, 1985
Filed:
Jan. 21, 1983
Carl Yurdin, Port Washington, NY (US);
Carmel S Monti, Deer Park, NY (US);
Photographic Peripherals, Inc., Dexter, MI (US);
Abstract
A collapsible lens shade comprises a foldable bellows connected between front and second plate-like members. A track member is pivotally connected to one of the front and rear plate-like members, preferably the front member, and locking means is provided for locking the track in a position extending from the member to which it is pivotally connected. Slide means is coupled to the other of the front and rear members to permit same to slide along the length of the track member when the track member is in its extended, locked position, and second locking means is provided for locking the slide means at selected positions along the length of the track means. Replaceable adaptors are preferably provided to enable the lens shade to be used with lenses of various barrel diameters. Also, means for inserting filters or other special effect plates is provided, as well as a flash or accessory shoe.