作者: Thomas W. Kennedy
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摘要: A hand tool, such as striking device like a sledgehammer, having replaceable head elements, which comprises handle raised extension on one end and threaded cavity therein, element, therein; an insert hole therein to fit into the top part of bolt, retaining tubular, elastomeric subject expansion axial compression, whereby various elements different size may be secured by placing bolt through tubular element threading axially compress expand outwardly frictional shock-absorbing relationship with interior surface cavity, thereby providing tool dimensions rapidly efficiently handle.