Harness for backpack blower

A backpack-type power tool configured to be carried on the back of its operator, the power tool comprising:

• a power tool housing at least partially encompassing an internal combustion engine;
• a harness on which the power tool housing is mounted, the harness comprising:
• a pair of shoulder straps;
• a waist strap;
• a panel connecting the shoulder straps and waist strap;
• a frame comprising at least one arcuate tool-supporting member having an upper end proximate the shoulder straps and a lower end proximate the waist strap, said power tool housing being mounted on said tool-supporting member, wherein said tool-supporting member is shaped along its vertical length such that a middle portion of the member arcs away from the panel such that there is an air-circulation space between the power tool housing and the panel, and wherein the frame comprises two elongate tool-supporting members, an upper cross member and a lower cross member, wherein the power tool is mounted on said two tool-supporting members;
• and
• wherein the power tool is a blower and the housing has an air intake port facing the air-circulation space.