| 摘要 |
<p>The present invention relates to a size adjustable spanner. The spanner through which a bolt is fastened or loosened with a nut, comprises: a body comprising a head part and a knob part having a top plate and a bottom plate in which through holes are formed in each center; a grip operation part mounted on an upper surface of the top plate of the body so as to be manipulated by a user for a size adjustment; and a size adjusting part disposed between the top plate of the head part and the bottom plate of the head part and coupled to the grip operation part, for performing the size adjustment on a horizontal surface of an interpolating space of the bolt or the nut according to a rotational motion based on a horizontal surface of the grip operation part.</p> |
