Reflex member hold-down mechanism

Details Reflex member hold-down mechanism Reflex member hold-down mechanism

1974-12-26

1976-05-18

Hix, L. T.

Motors: spring, weight, or animal powered

Spring

With winding means

185 40R, 354152, F03G 100, G03B 1912

Patent

active

039571360

ABSTRACT:
An improved override and hold-down mechanism for use with a reflex camera of the type incorporating a four bar linkage for effecting movement of a reflex member between viewing and exposure positions. The override mechanism includes a ramp surface configured to multiply the hold-down torque generated by a pair of override springs and secures the reflex member in the viewing position against inadvertent movement.

REFERENCES:
patent: 2579247 (1951-12-01), Angenieux
patent: 2972259 (1961-02-01), Favre
patent: 3685416 (1972-08-01), Coughlin
patent: 3760703 (1973-09-01), Blinow

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