Photographic camera with a time-delay mechanism

Details Photographic camera with a time-delay mechanism Photographic camera with a time-delay mechanism

1975-11-04

1977-09-27

Griffin, Donald A.

G03B 964

Patent

active

040515001

ABSTRACT:
A photographic camera has a shutter and a shutter setting and releasing mechanism which includes an operating member which moves in a predetermined path and direction when released. The camera further includes a time-delay mechanism for the shutter which is arrested by an arresting member when the latter is in its resting position. A coupling element selectively pivots between two positions in one of which it is located outside the path of movement of the operating member while in the other position it engages both the operating member and the arresting member. The coupling component is also mounted for movement in the direction of movement of the operating member when in engagement therewith so that it displaces the arresting member out of the arresting position whereby the time-delay mechanism is released. In a predetermined period of time, the time-delay mechanism activates a sliding member which moves the coupling component out of engagement with the operating member whereby the latter is freed to perform its movement in the aforementioned direction during which the shutter is operated. The camera can be used with or without utilizing the time-delay feature thereof.

REFERENCES:
patent: 703893 (1902-07-01), Bruck
patent: 2619171 (1952-11-01), Goldhammer
patent: 2880798 (1959-04-01), Lohmeyer
patent: 3194140 (1965-07-01), Winkler et al.
patent: 3276344 (1966-10-01), Rentschiler
patent: 3955209 (1976-05-01), Akiyama

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