Cushman Darby & Cushman
Operating handle for a cutting device
 An operating handle for a cutting device includes a handle body adapted to be mounted securely on the saw carrier of the device; a switch installed on the handle body and adapted to be activated to drive a cutting saw carried by the carrier; a trigger member mounted swingably on the handle body; a switch driving piece mounted swingably on the handle body and biased to locate at a predetermined position adjacent to the trigger member, the trigger member being capable of being rotated in a first direction so as to rotate the switch driving piece in a second direction opposite to the first direction, thereby activating the switch to drive the saw; and a lock unit releasably locking the switch driving piece on the handle body to prevent the switch driving piece from rotation in the second direction. 
P&F Brother Industrial Corporation
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Y10T H01H Y10S Y10T F16P Y10T H01H Y10T
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Chiu-Tsun
Chang