Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Filing date
Publication date
Application filedfiledCritical
Publication of JPS5070914UpublicationCriticalpatent/JPS5070914U/ja
Application grantedgrantedCritical
Publication of JPS5518814Y2publicationCriticalpatent/JPS5518814Y2/ja
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
G03B21/321—Holders for films, e.g. reels, cassettes, spindles
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Details Of Cameras Including Film Mechanisms
(AREA)
Shafts, Cranks, Connecting Bars, And Related Bearings
(AREA)
Storage Of Web-Like Or Filamentary Materials
(AREA)