RING COMPRESSION DEVICE AND METHOD

Title:

RING COMPRESSION DEVICE AND METHOD

Document Type and Number:

WIPO Patent Application WO/2004/113018

Kind Code:

A1

Abstract:

A ring compression device has pressing members (2) that are arranged in a radial pattern with a head of each pressing member oriented to the center axis (O) of a base body (1) and are made proceedable and recedable relative to the center axis (O) on a predetermined plane, a pivoting body (3) provided on the base body (1) so as to be pivotable about the center axis (O), and follower means (25, 32) advancing the head of each pressing member (2) toward the center axis (O) as the pivoting body (3) pivots and applying a load, from the outside of a ring, by the head of each pressing member (2). Further, engagement means (16, 26) engaging the ring are provided at the heads. Holding means (7) for positioning and holding, relative to the center axis (O), an object to be installed is also provided.

Inventors:

SUZUKI HITOSHI (JP)
OGINO TAKASHI (JP)
MIURA TAKASHI (JP)

Application Number:

PCT/JP2004/008933

Publication Date:

December 29, 2004

Filing Date:

June 18, 2004

Export Citation:

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Assignee:

NHK SPRING CO LTD (JP)
SUZUKI HITOSHI (JP)
OGINO TAKASHI (JP)
MIURA TAKASHI (JP)

International Classes:

B21D39/04; B25B27/10; B25B27/20; B23P19/02; (IPC1-7): B23P19/02; B25B27/20; B21D39/04

Foreign References:

JPS60245897A	1985-12-05
JPS5755495B2	1982-11-24
JPS457817Y1	1970-04-14
JPH03238124A	1991-10-23
JPS51109516A	1976-09-28
JPS60113134U	1985-07-31
JPS51139427U	1976-11-10
US5715723A	1998-02-10
US4578982A	1986-04-01

Other References: