Magnetic retaining device for machine tool

Details Magnetic retaining device for machine tool Magnetic retaining device for machine tool

2007-05-29

2007-05-29

Lee, K. (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Work or object holding type

C269S008000

Reexamination Certificate

active

10892053

ABSTRACT:
A magnetic retaining device for attaching a work piece to a machine tool includes a magnetic housing having two housing members secured together and having different magnetic poles, and a magnetic core rotatably received in the magnetic housing and having two core members having different magnetic poles. The magnetic force of the housing members may be offset by the core members when the core members are received in the housing members of different magnetic poles, and may be increased when the core members are received in the housing members of the same magnetic poles, in order to selectively and stably retain the work piece to the machine tool.

REFERENCES:
patent: 4250478 (1981-02-01), Cardone et al.
patent: 6854777 (2005-02-01), Jung

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