Patent ID: 8832947
Filing Date: 2014-09-16
Classification: B25F,B27B,Y10T

Abstract:
1. A top-handle portable working machine in which an implement is provided to the front of a housing in which a motor is mounted, and a handle having a top grip positioned at the top of the housing is provided to the housing; wherein the direction of an axis in which the top grip extends and the direction of a working axis of the implement are inclined from each other in a vertical direction so as to intersect at a point to the rear of the housing, and the inclination angle Θ between the direction of the axis of the top grip and the direction of the working axis of the implement is set in the range of 15 to 25°, and wherein an index-finger support comprising a curved surface that corresponds to the inside of the index finger of the gripping hand when bent in a hook shape is formed in a downward diagonal position from a distal end portion of the top grip, a thumb support comprising a flat surface that corresponds to the thick of the thumb of the gripping hand is formed in a position at the opposing corner from the downward diagonal position from the distal end portion in the top grip, wherein a concave part that corresponds to the thick portion of the palm on the little-finger side of the gripping hand is formed on one side surface of the rear portion of the top grip, and wherein a grip-position restricting member for restricting the position of the little surface of the palm is detachably installed in the concave part.