Patent ID: 6176016
Filing Date: 2001-01-23
Classification: A01D

Abstract:
In an engine-powered portable working machine including an engine attached to one end of an elongated support rod, a working tool attached to the other end of said support rod and connected to be driven by said engine, a brake mechanism associated with said support rod for braking said working tool, and an operation control lever unit provided on said support rod and adapted to be gripped by an operator to enable the operator to keep a desired working position of said working machine while regulating power of said engine, said operation control lever unit comprising:a handle case having a grip configured to be gripped by a hand of the operator;a throttle lever pivotally mounted to said handle case and arranged to be manipulated by depression with or releasing from at least one finger excluding the thumb of the hand of the operator to regulate rotational speed of said engine while said grip of said handle case is being gripped by the hand of the operator; anda brake release lever pivotally mounted to said handle case in diametrically opposite relation to said throttle lever such that said brake release lever can be depressed with a portion of a palm adjacent the thumb of the hand of the operator to release said brake mechanism while said grip of said handle case is being gripped by the hand of the operator.