LINK ACTUATING DEVICE - NTN TOYO BEARING CO LTD

Title:

LINK ACTUATING DEVICE

Document Type and Number:

WIPO Patent Application WO/2019/235523

Kind Code:

A1

Abstract:

In a link actuating device (1), a distal end-side link hub (13) is coupled to a proximal end-side link hub (12) by way of three or more sets of link mechanisms (14) in such a way that the attitude thereof can be changed. Two or more sets of the link mechanisms (14) are provided with an attitude control drive source (11) for freely changing the attitude of the distal end-side link hub (13). The link actuating device includes a storage means (8) for storing operating positions of the attitude control drive sources (11) when the distal end-side link hub (13) is in a prescribed attitude. In at least two sets of the link mechanisms (14), at least one of a proximal end-side end portion link member (15), a distal end-side end portion link member (16), and a central link member (17) is provided with a positioning portion (4). A positioning member (3) for positioning the distal end-side link hub (13) in a prescribed attitude is detachably installed extending between a plurality of the positioning portions (4).

Inventors:

NOSE KENZOU (JP)
ISOBE HIROSHI (JP)

Application Number:

PCT/JP2019/022328

Publication Date:

December 12, 2019

Filing Date:

June 05, 2019

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)

International Classes:

F16H21/52; B25J11/00

Foreign References:

JP2017219122A	2017-12-14
JP2017115954A	2017-06-29
JP2013096525A	2013-05-20
JP2000094245A	2000-04-04
US5893296A	1999-04-13
JP2014119069A	2014-06-30

Other References: