Uniaxial drive unit and surface shape measuring apparatus...

Electrical generator or motor structure – Dynamoelectric – Linear

Reexamination Certificate

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Details

C310S014000, C310S020000

Reexamination Certificate

active

10807133

ABSTRACT:
There is provided a uniaxial drive unit using a linear motor having a fixed part which is a rod-shaped magnet fixed to a unit body and formed so that the N poles and the S poles are arranged alternately; and a moving part which is a ring-shaped member having a coil member, fitted on the fixed part, and capable of moving along the fixed part. A driving section provided so as to be slidable in the uniaxial direction with respect to the unit body is connected to the moving part or a balance weight fixed to the moving part by a winding motion transmission member via a winding motion transmitting support member provided near one end or both ends of the unit body.

REFERENCES:
patent: 5299662 (1994-04-01), Reddy et al.
patent: 5909066 (1999-06-01), Nanba et al.
patent: 5949161 (1999-09-01), Nanba
patent: 6008552 (1999-12-01), Yagoto et al.
patent: 6367159 (2002-04-01), Naoi et al.
patent: 0917004 (1999-05-01), None
patent: 62-166764 (1987-07-01), None
patent: 08-331834 (1996-12-01), None
patent: 11-150973 (1999-06-01), None
patent: 2001 190088 (2001-07-01), None
patent: 2002-139317 (2002-05-01), None

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