Backpack tool apparatus

A backpack tool apparatus, the tool apparatus comprising:

• a backpack assembly,
• a distance adjusting assembly coupled to the backpack assembly including:
• a neck part,
• an adjustable part,
• a driving part, and
• a resetting part, and
• a tool coupled to the distance adjusting assembly;
• wherein the tool is connected to the backpack assembly through the distance adjusting assembly, and the distance adjusting assembly is applicable to switch the tool between at least a first position and a second position to adjust the distance between the tool and the backpack assembly, and
• the neck part is formed with at least a first groove and a second groove;
• a protrusion formed on the adjustable part, the protrusion being received in the first groove to fix the tool in the first position;
• the driving part is applicable to drive the adjustable part moving to disengage the protrusion on the adjustable part from the first groove;
• when the protrusion on the adjustable part is disengaged from the first groove, the tool can move relative to the backpack assembly such that the protrusion on the adjustable part is aligned with a second groove on the neck part;
• the resetting part can drive the driving part to be reset such that the protrusion on the adjustment part is received within the second groove to secure the tool in the second position.