Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2005-02-01
2005-02-01
Arbes, Carl J. (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S598000, C029S605000, C029S606000, C029S607000, C029S712000, C310S012060, C310S156450, C335S306000
Reexamination Certificate
active
06848164
ABSTRACT:
A magnet fixing method of a linear servo motor wherein a cage for simultaneously securing positions and angles of a plurality of magnets is injection-molded where the cage is utilized to fix the magnets such that productivity is improved to shorten the working hours and reduce the manufacturing cost. A mutual twisting phenomenon can be prevented by interacting magnetic force among the plurality of magnets to thereby reduce the rate of defects.
REFERENCES:
patent: 4012651 (1977-03-01), Burson
patent: 5751075 (1998-05-01), Kwon et al.
patent: 6097125 (2000-08-01), Park et al.
Arbes Carl J.
Gordon & Rees
Gordon & Rees LLP
Phan Tim
Soonhan Engineering, Inc.
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