Shoulder harness for portable working machine

A shoulder harness having a harness network composed of at least a back-fitting plate to be worn on the back of an operator and right and left shoulder belts to be worn on the right and left shoulders of the operator, and having a hanging element with a hip pad connected to the harness network, such that a working machine can be retained on the hanging element, comprising:

• the right and left shoulder belts having an asymmetric configuration:
• and
• a first band is connected to a front end of a shoulder-fitting portion of one of said right and left shoulder belts as a first shoulder belt, which said first shoulder belt is opposite from one side of the shoulder harness where the hanging element is capable of having the working machine retained therefrom, wherein said first band is capable of transmitting a pulling force applied to said first shoulder belt from said working machine, wherein a front portion of said first shoulder belt has a curved or slanted shape that extends toward the one side having the hanging element to align with the direction of said pulling force applied to said first shoulder belt from said working machine, and a second one of said right and left shoulder belts is a second shoulder belt that extends straight, and said second shoulder belt has a second band connected to a front end thereof, wherein the first and second shoulder belts have an asymmetric configuration with respect to said one side of the shoulder harness, wherein front ends of the first and second bands join at a juncture in front of a central part of the operator.