HAND-HELD POWER TOOL AS WELL AS AXIAL HOLDING ARRANGEMENT AND WORKING ELEMENT FOR SUCH A POWER TOOL

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20240351179A1
SERIAL NO

18632415

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention refers to hand-held power tool (10) comprising a tool housing (12), a motor (24) and a tool shaft (36) having a rotational axis (40) and actuated by the motor (24), and further comprising a working element (38) releasably attachable to the tool shaft (36) from outside the tool housing (12) in an axial direction and, after attachment to the tool shaft (36), held in respect to the tool shaft (36) by means of an axial holding arrangement (80). The axial holding arrangement (80) comprises a first element (36; 38) constituted by one of the working element (38) and the tool shaft (36) and a second element (38; 36) constituted by the other one of the working element (38) and the tool shaft (36), and at least two locking elements (70) assigned to the first element (36; 38) movably in a radial direction between a retracted position and a locking position, at least one recess (66) assigned to the second element (38; 36) for receiving the locking elements (70) when in their locking positions. The locking elements (70) or the second element (38; 36) in and/or around the at least one radial recess (66) comprises a magnetic material and the at least other one of the locking elements (70) and the second element (38; 36) in and/or around the at least one radial recess (66) comprises a magnetic material or a ferromagnetic material. The locking elements (70) are automatically moved into and held in their locking positions and in the at least one radial recess (66) by means of magnetic force after attachment of the working element (38) to the tool shaft (36).

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Patent Owner(s)

Patent OwnerAddress
VALENTINI ANDREA20145 MILANO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
VALENTINI, Andrea Milano, IT 9 7

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