PARALLEL MECHANISM - MURATA MACHINERY LTD

Title:

PARALLEL MECHANISM

Document Type and Number:

WIPO Patent Application WO/2008/059659

Kind Code:

A1

Abstract:

An end effector is positioned with high precision by stabilizing the posture thereof. A parallel mechanism comprising an arm (101) having a pair of rods (121) being arranged in parallel, a bracket (3) fixed with the end effector and held by the pair of rods (121), ball joints (41, 42) having a first joint (411) for coupling the bracket (3) displaceably with the arm (101) and having a ball (413), a second joint (412) having a socket (414) for holding the ball (413), a member (2) for coupling the pair of parallel rods (121) with each other and regulating rotation of the rods (121) about an axis parallel with its longitudinal direction, and a member (24) which imparts an urging force for holding the ball (413) in the socket (414).

More Like This:

JP4290312	Parallel mechanism and its control method and control device
WO/2004/028755	END EFFECTOR

Inventors:

NAKAO TAKASHI (JP)
NISHIDA TATSUHIKO (JP)
NAKANISHI HIDEAKI (JP)
NAKAMURA DAIGORO (JP)

Application Number:

PCT/JP2007/067937

Publication Date:

May 22, 2008

Filing Date:

September 14, 2007

Export Citation:

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Assignee:

MURATA MACHINERY LTD (JP)
NAKAO TAKASHI (JP)
NISHIDA TATSUHIKO (JP)
NAKANISHI HIDEAKI (JP)
NAKAMURA DAIGORO (JP)

International Classes:

B25J11/00; B25J17/00; F16H21/02

Foreign References:

JP2002529258A	2002-09-10
JP3050992B2	2000-06-12
JPH08403U	1996-02-27
JPH08403A	1996-01-09
JPH0350992B2	1991-08-05
JP2002529258A	2002-09-10

Other References: