Abstract: A detachable operating handle for an elongated handheld portable power tool with a nose portion having an output shaft and a slidable operating switch having an outer recess and being configured to slide between on and off positions, the handle comprising a housing configured to cooperatively mate with the power tool housing and be attached at least to the nose portion of the power tool, the housing having an elongated handle portion, a trigger located in the bottom of the handle portion positioned to be moved between depressed and rest positions by a user's finger while holding the handle portion, a linkage mechanism for interconnecting the trigger and the switch, and the linkage mechanism having a lockout mechanism for preventing the trigger from moving the switch when the lockout mechanism is in a locked position and permitting the trigger to move the switch when in a release position.

Abstract: A detachable operating handle for an elongated handheld portable power tool with a nose portion having an output shaft and a slidable operating switch having an outer recess and being configured to slide between on and off positions, the handle comprising a housing configured to cooperatively mate with the power tool housing and be attached at least to the nose portion of the power tool, the housing having an elongated handle portion, a trigger located in the bottom of the handle portion positioned to be moved between depressed and rest positions by a user's finger while holding the handle portion, a linkage mechanism for interconnecting the trigger and the switch, and the linkage mechanism having a lockout mechanism for preventing the trigger from moving the switch when the lockout mechanism is in a locked position and permitting the trigger to move the switch when in a release position.