| 摘要 |
A blender arm includes a body equipped at one end with a connection for a power unit. The blender arm further includes a rotary shaft having a tool at the end opposite to the connection end. A peripheral protection is provided around the tool. The rotary shaft with the tool is attached movably in axial direction to the body so that the tool may be positioned in a retracted position for operation or a protracted position for cleaning, without having to touch the tool with the hands. The blender arm may further include a resilient element, functionally connected to the tubular body and the rotary shaft, for moving the rotary shaft between the protracted and retracted positions. When the rotary shaft is releases, the tool automatically returns to the retracted position.
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