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Title:
GRINDING DEVICE USING ULTRASONIC VIBRATION
Document Type and Number:
WIPO Patent Application WO/2006/137453
Kind Code:
A1
Abstract:
A grinding device using ultrasonic vibration has a support table (32) on the upper surface of which an object (31) to be ground is supported and fixed, a liftable rotating shaft (34) provided above the support table, a drive device (35) for vertically driving the rotating shaft, a drive device (36) for rotating the rotating shaft, an elastic body (37) fixed to a base section of the rotating shaft, an annular grind stone (38) provided at a lower part of the elastic body, ultrasonic vibrators (39) arranged on the elastic body, and a transmission device (41) for transmitting electric energy to the ultrasonic vibrators. The elastic body is an annular elastic body, a connection plate (42) is provided between the annular elastic body and the base section of the rotating shaft, and the connection plate and the annular elastic body are connected by connection means (45) each constructed from alternately formed connection sections and space sections. An object to be ground can be ground at high accuracy by using the grinding device (30) having the ultrasonic vibrators arranged at predetermined positions of the elastic body.

Inventors:
OHNISHI KAZUMASA (JP)
Application Number:
PCT/JP2006/312440
Publication Date:
December 28, 2006
Filing Date:
June 21, 2006
Export Citation:
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Assignee:
OHNISHI KAZUMASA (JP)
International Classes:
B24B1/04; B24B41/047; B24B47/12; B06B1/02
Foreign References:
JPH10156706A1998-06-16
JPS62225280A1987-10-03
JPS483156B1
JPH05200659A1993-08-10
JPH10315334A1998-12-02
Attorney, Agent or Firm:
Yanagawa, Yasuo (2-14 Yotsuy, Shinjuku-ku Tokyo04, JP)
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