Firing spring cocking mechanism

Details Firing spring cocking mechanism Firing spring cocking mechanism

1977-03-22

1978-01-24

Griffin, Donald A.

G03B 1503

Patent

active

040706850

ABSTRACT:
A mechanism for cocking the firing spring of a piezoelectric generator in a photographic camera includes a ramp surface on a body release member that is movable into engagement with the firing spring during return movement of the body release member, to move the firing spring to a latched position. A latch is provided to maintain the firing spring in its latched position during a first portion of the operation of the body release member and to release the firing spring in synchronism with actuation of a photographic shutter.

REFERENCES:
patent: 2972937 (1961-02-01), Suits
patent: 3584550 (1971-06-01), Malone et al.
patent: 3677157 (1972-07-01), Sturm
patent: 3699860 (1972-10-01), Winkler
patent: 3719126 (1973-03-01), Engelsmann et al.
patent: 3958259 (1976-05-01), Genesky

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