Magnetic adsorption device and production method thereof and...

Details Magnetic adsorption device and production method thereof and... Magnetic adsorption device and production method thereof and...

2006-05-23

2006-05-23

Barrera, Ramon M. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

C294S065500, C269S008000

Reexamination Certificate

active

07049919

ABSTRACT:
A magnetic adsorption device comprises: a magnetic circuit block having a cavity extending in one direction and divided into a plurality of magnetic pole members at intervals in the circumferential direction of the cavity by a plurality of spacers; and a permanent magnet assembly having an N pole and an S pole and capable of rotating selectively at a first and a second positions spaced apart about an axis of the cavity so as to adsorb and release a magnetic substance. Adjoining spacers about the axis are distant by an angular space of less than 180° about the axis.

REFERENCES:
patent: 2561769 (1951-07-01), Anderson
patent: 3142787 (1964-07-01), Levesque
patent: 5435613 (1995-07-01), Jung
patent: 7 (1995)-47845 (1995-11-01), None
patent: 3025361 (1996-03-01), None
patent: 2002-055186 (2002-02-01), None
patent: WO99/65644 (1999-12-01), None

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