Hand tool with adjustable head, especially ratchet tool, has head locking arrangement for positioning and locking head at predefined angular position relative to handle
摘要
<p>The device has a head locking arrangement (40) for positioning and locking the head (30) at a predefined angular position relative to a handle (20). The head locking arrangement has a sliding block (41) movable in an oblong slot (208) between a rotary joint (311) and the base of the slot and an engagement device (411) for engaging the toothed outer surface of the rotary joint.</p>
