ENGAGEMENT CHAIN TYPE DEVICE FOR FORWARD AND BACKWARD MOVEMENT OPERATION

Title:

ENGAGEMENT CHAIN TYPE DEVICE FOR FORWARD AND BACKWARD MOVEMENT OPERATION

Document Type and Number:

WIPO Patent Application WO/2012/056777

Kind Code:

A1

Abstract:

In order to stably drive a body to be driven such as a lifting table, an engagement chain type device (100) for forward and backward movement is configured in such a manner that a pair of engagement chains (110, 110) has rigid chain portions (110D). The rigid chain portions (110D) are configured in such a manner that, within a predetermined range from the front ends of the chains in the direction in which the pair of engagement chains (110, 110) is rigid, inner tooth plates (111) are constantly engaged with each other and outer tooth plates (112) are constantly engaged with each other. Square column-shaped reinforcement core members (140) fitted in the square column-shaped hollow sections (S) of the rigid chain portions (110D) are connected to mounting members (C).

Inventors:

SAJI TOMOYUKI (JP)
TAKEUCHI YOSHIFUMI (JP)

Application Number:

PCT/JP2011/067032

Publication Date:

May 03, 2012

Filing Date:

July 27, 2011

Export Citation:

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Assignee:

TSUBAKIMOTO CHAIN CO (JP)
SAJI TOMOYUKI (JP)
TAKEUCHI YOSHIFUMI (JP)

International Classes:

F16H19/02; F16G13/20

Foreign References:

JP2009115106A	2009-05-28
JP2007205516A	2007-08-16
JPS612960A	1986-01-08
JPS5693697A	1981-07-29
JP2009049129A	2009-03-05
JP2007269414A	2007-10-18
JPH0782953A	1995-03-28

Other References: