Patent ID: 7251861

Claim:
An operation tool to be mounted on a support member; wherein said operation tool includes: an operation portion to be operated by an operator; a mounting portion formed spaced apart from the operation portion in a direction where an impact is applied to the operation tool, the mounting portion being arranged to be mounted on fixed to the support member; and a crashable connecting portion for connecting together the operation portion and the mounting portion, the crashable connecting portion being adapted to be crashed upon an impact force exerted on the operation portion such that when the crashable connecting portion is crashed, the operation portion moves with respect to the mounting portion, wherein said crashable connecting portion radially extends from the mounting portion to the operation portion, and wherein said crashable connecting portion includes plural bridge portions radially extending between the mounting portion and the operation portion so as to connect together said mounting portion and said operation portion, wherein each of the bridge portions has a cross section of which the thickness, in a direction along a shaft, is smaller than the width thereof, in a direction perpendicular to the shaft.