Camera shutter assembly

Details Camera shutter assembly Camera shutter assembly

1980-11-20

1982-06-22

Griffin, Donald A.

354274, G03B 908, G03B 902

Patent

active

043359477

ABSTRACT:
A camera leaf shutter assembly having at least one activation ring rotatable about a stationary carrier ring for operating the shutter assembly is provided. The number of individual parts of the assembly is reduced and assembly is facilitated by forming the activation ring and carrier ring of a synthetic material.
The carrier ring is formed with a groove for receiving the activation ring with the groove walls securing the activation ring in the radial direction. The camera ring is formed with securing elements for securing the activation ring in the axial direction. The securing element may be a bayonet-type closure or deformable tabs biased toward the axis of the assembly. In a preferred embodiment the shutter blades are pivotably mounted between two activation rings, the activation rings and shutter blades disposed within a shutter chamber formed by an outer ring cooperating with the camera ring for securing the assembly.

REFERENCES:
patent: 3136236 (1964-06-01), Hartl
patent: 3366024 (1968-01-01), Starp
patent: 3935581 (1976-01-01), Starp
patent: 4009946 (1977-03-01), Geyer
Das grosse Baustoff-Lexikon, R. Stegemann, Deutsch Verlags-Anstatlt Stuttt Berlin 1941, pp. 526-529.
Buch: Taschenbuch Feingerattetechnik, Band 2, VEB Verlag Technik, Berlin p. 580.

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