| 摘要 |
PURPOSE: Automatic battery scissors using a quick changeover unit are provided to detect the change of the load on blades of the scissor to automatically open blades using sensors. CONSTITUTION: Automatic battery scissor are composed of a housing(10) having a motor(14), a driving switch(20) for driving the motor, a fixing member(30) engaged to the housing, a worm(40) rotated with the motor, a worm wheel(45) engaged with the worm, a crank pin(47) protruded from the worm wheel, a fixing blade portion(50) fixed to the fixing member, and a moving blade portion(60) rotatable with the fixing blade portion to a hinge shaft(68). The moving blade portion has a moving blade and a body having an elongated hole holding the crank pin. The hinge shaft is located apart from the worm wheel in an opposite direction to the engaging direction of the worm with the worm wheel. The moving and fixing blade portions are approaching with each other with stronger power than spacing apart. The moving blade portion is spaced apart from the fixing blade portion in a quick manner. |
