Fastener wrench has hollow handle with drive battery for vibrator mass to loosen corrosion around nut

摘要

The fastener driver has a vibrator to loosen corrosion around the fastener, such as a nut, to allow easier movement of the nut. The vibrator (20) has a hollow tubular casing (21) to receive a battery (22), a drive (23) and a control switch (24). An eccentric mass (231) is driven to vibrate the handle of the driver.