| CPC D05B 39/00 (2013.01) [D05C 9/04 (2013.01); F16M 13/02 (2013.01); H01F 7/0252 (2013.01); F16B 2200/83 (2023.08); H01F 7/02 (2013.01)] | 13 Claims |

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1. A holding frame for holding a medium, comprising:
a frame forming portion having a first magnet and a placement surface on which the medium is configured to be placed, the first magnet being arranged along the placement surface, the frame forming portion having an annular shape, and having a plurality of first magnetic field generation portions generating magnetic fields with the first magnet, the first magnet being arranged on the frame forming portion so that the orientations of the magnetic fields of the plurality of first magnetic field generation portions that are adjacent are reversed from each other on the placement surface;
at least one holder corresponding to a partial part of the frame forming portion that sandwiches the medium to be held and not an entire part of the frame forming portion that sandwiches the medium to be held, the at least one holder having a holding surface and a second magnet, the holding surface sandwiching, with the placement surface, the medium, the second magnet being arranged along the holding surface, each holder of the at least one holder having a plurality of second magnetic field generation portions generating magnetic fields with the second magnet, the second magnet being arranged in each holder so that the orientations of the magnetic fields of the plurality of second magnetic field generation portions that are adjacent are reversed from each other on the holding surface, and in a state in which each holder is attached to the frame forming portion, the plurality of first magnetic field generation portions and the plurality of second magnetic field generation portions facing each other, and the orientations of the magnetic fields of the plurality of first magnetic field generation portions being the same as the orientations of the magnetic fields of the plurality of second magnetic field generation portions;
a fixing frame accommodating the second magnet; and
a fastener including a retaining tab, the fixing frame being fixed to the holder with the retaining tab of the fastener.
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