Flash changeover device

Abstract

Abstract PURPOSE: To make operation simpler by returning an aperture control lever in cooperation to the flash side power source switch OFF operation. CONSTITUTION: The power source switch operating mechanism 50 provided with a protruding pin 53 cooperating to an aperture control lever 3, an aperture cam 51 provided with protrusion 55, an oblong hole 57, a contact part 58 and a connecting lever 52 provided with an operating arm 36 is provided in the camera body 1 exclusive for the strobe and its operation is interlocked to that of the push pin 34 of the operation extending part 32 of the power source switch 23 in the exclusive flash. Then, if the exclusive flash is mounted to the camera body 1 and the apreture control lever 3 is matched to the flash mark, the aperture cam 51 turns clockwise to cause the power source switch 23 to be turned ON by means of the connecting level 52 and push pin 34, thus the flash operation becomes feasible. Next, when the knob on the excluaive flash side is pushed, the power source switch 23 goes OFF and at the same time the push pin 34 is moved leftward, causing the aperture cam 51 to turn counterclockwise. Then, the aperture control level 3 returns to the EE photographing position. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Yoshihisa Yonetani
• 👤 Fujio Enomoto
• 👤 Osamu Kawarada

Bibliographic Details