Trigger device in motor drive unit of camera
专利汇可以提供Trigger device in motor drive unit of camera专利检索，专利查询，专利分析的服务。并且PURPOSE: To perform automatic winding sequence of photometry through 2-stage operations and automatic winding with a motor without misoperation by transmitting the elastic forces of the first and second springs to the finger operating a trigger button according to the depressing strokes of the trigger button.
CONSTITUTION: When a trigger button 16 is pushed in by the finger, the first trigger lever 21 and the second trigger lever 22 coupled by way of a lever 21 and first trigger spring 26 turn and the photometry by an exposure meter is accomplished by the switching actuating part 33 of the lever 22, the actuating piece 33 of a switch 31 for exposure meter, etc. When the button 16 is further pushed in from this state, the lever 22 abuts against the stopper 34 of a substrate 10 and the lever 21 turns while compressing the second trigger spring 27, causing the switch actuating part 30 of the lever 21 to depress the actuating piece of the switch 28 to start the motor. Film winding is thereby accomplished and photographic accomplished according to the two-stage operations of the button 16. In this case, the different elastic forces of the springs are sensed by the operating finger according to the operations of the button 16 in the respective stages and therefore mis-operations such as photographing prior to ending of photometry, etc. are prevented.
COPYRIGHT: (C)1980,JPO&Japio，下面是Trigger device in motor drive unit of camera专利的具体信息内容。
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