Single use camera auto wind motor control mechanism

Details Single use camera auto wind motor control mechanism Single use camera auto wind motor control mechanism

1995-06-05

1996-11-12

Mathews, A. A.

Photography

With film drive

Mechanical detail

396502, G03B 112, G03B 1738

Patent

active

055745245

ABSTRACT:
An auto wind motor control mechanism for a camera is provided which includes a user actuatable shutter release button (26) and a control switch (16) which upon closure thereof, activates a film advance motor (14) for advancing film disposed within the camera. A high energy lever (54) is provided which in response to movement of the shutter release button (26), sequentially actuates the switch (16) after actuating the shutter (24). A cam (36) serves to open the control switch (16) after the film has advanced a predetermined distance. The shutter release button (26) engages the lever (54) with first and second hooks (78 and 76). The lever (54) is released from the first hook (78) upon movement of the shutter release button (26) from its ready position towards its release position, whereby the shutter (24) is actuated. The lever (54) is then engaged by the second hook (76) until release of the button (26) by the user, whereby the lever (54) is released from the second hook (76) and the switch (16) is closed.

REFERENCES:
patent: 4060818 (1977-11-01), Furuta
patent: 4428657 (1984-01-01), Tezuka
patent: 5166715 (1992-11-01), Labaziewicz

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