BALANCER MECHANISM FOR ROTATING SHAFT

Title:

BALANCER MECHANISM FOR ROTATING SHAFT

Document Type and Number:

WIPO Patent Application WO/2005/038291

Kind Code:

A1

Abstract:

A balancer mechanism (8) for a rotating shaft capable of easily and surely reducing a torque acting on the rotating shaft by allowing a balancing torque offsetting at least a part of the torque acting on the rotating shaft to act on the rotating shaft by using a gas spring, comprising a cam member (10) fixed to the left end part of the rotating shaft (3), a cam follow-up member (15) following up the cam member (10) in contact therewith, and the gas spring (20) elastically energizing the cam follow-up member (15) toward the cam member (10) and allowing the balancing torque offsetting at least the part of the torque to act on the rotating shaft (3) through the cam follow-up member (15) and the cam member (10).

Inventors:

MACHIDA MASAHIRO (JP)
YOTSUBAYASHI HIROYUKI (JP)

Application Number:

PCT/JP2003/013388

Publication Date:

April 28, 2005

Filing Date:

October 20, 2003

Export Citation:

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Assignee:

PASCAL ENG CORP (JP)
MACHIDA MASAHIRO (JP)
YOTSUBAYASHI HIROYUKI (JP)

International Classes:

B23Q1/52; B23Q11/00; B30B1/26; B30B15/00; F16F15/04; F16F15/22; F16F15/26; (IPC1-7): F16F15/16; B30B15/06; B23Q1/50

Foreign References:

US5544576A	1996-08-13
US5544577A	1996-08-13
JP2001277059A	2001-10-09

Other References: