A device for relative movement of two elements

B - Operations – Transporting – 25 – J

Patent

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Details

B25J 9/10 (2006.01) B25J 11/00 (2006.01) B25J 17/02 (2006.01) B25J 18/00 (2006.01)

Patent

CA 2303774

A robot for movement of a moveable element (2) relative to a base element (1) comprises at least two link devices (4, 5, 6) coupleed between the elements. These link devices comprise each at least two mutually articulated link units (7, 8; 9, 10; 11, 12) and power exerting arrangements (13, 14, 15) adapted to pivot the link devices for changing the relative position of the elements. A first (4) of the link devices is connected with the moveable element (2) via a hinge connection (16) so that there are, on consideration of the robot in its entirety, at least two degrees of freedom in the form of relative pivotability about two pivot axes, real or imaginary, extending at an angle relative to each other between the first link device (4) and said element (2). A further (5) of the link devices is connected to the base element (1) via a hinge connection (32, 33, 28) which on consideration of the robot in its entirety provide for freedom of movement between the further link device (5) and the base element (1) with respect to at least two degrees of freedom consisting of pivotability about two different pivot axes, real or imaginary.

Robot permettant le mouvement d'un élément mobile (2) par rapport à un élément de base (1) et comprenant au moins deux dispositifs de liaison (4, 5, 6) accouplés entre les éléments. Ces dispositifs de liaison comprennent chacun au moins deux unités de liaison articulées (7, 8; 9, 10; 11,12) et des organes (13, 14, 15) exerçant une force, conçus pour faire pivoter les dispositifs de liaison et modifier la position relative des éléments. Un premier (4) des éléments de liaison est relié à l'élément mobile (2) à l'aide d'un raccord articulé (16), de sorte qu'au moins deux degrés de liberté, si on prend le robot dans son intégralité, se traduisant par une aptitude à pivoter autour de deux axes de pivot, réels ou imaginaires, s'étendant en formant un certain angle l'un par rapport à l'autre, entre le premier dispositif de liaison (4) et ledit élément (2). Un autre des dispositifs de liaison est raccordé à l'élément de base (1), par l'intermédiaire d'un raccord articulé (32, 33, 28) qui, si on prend le robot dans son intégralité, permet un degré de liberté entre ledit dispositif de liaison (5) et l'élément de base (1) par rapport à au moins deux degrés de liberté se traduisant par une pivotabilité autour de deux axes de pivot différents, réels ou imaginaires.

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