B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
15/1
B43L 19/00 (2006.01) B03C 1/28 (2006.01) H01F 7/02 (2006.01)
Patent
CA 1241508
ABSTRACT A device for use with an eraser of a rubber compo- sition having magnetic particles dispersed therein. The de- vice has a permanent magnet for attracting the magnetic dust created by use of the eraser. For the ready removal of the collected dust the device further comprises a shield normal- ly enclosing the magnet. When held close to or in direct contact with a dust collecting wall forming a part of the shield, the magnet attracts eraser dust therethrough. The eraser dust attached to the dust collecting wall can be readily released, as into a suitable receptacle such as a trash can, as the magnet is moved away from the dust col- lecting wall as by being pulled out of the shield. The device may incorporate a magnetic eraser to provide a con- venient eraser/dust collector combination, as in some embod- iments disclosed herein. Additional embodiments suggest the combined use of a brush for collecting eraser dust, and the provision of an open space for confining the collected dust on the dust collecting wall of the shield.
445738
Macrae & Co.
Taiyo Yuden Co. Ltd.
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