A device for relative movement of two elements

F - Mech Eng,Light,Heat,Weapons – 16 – H

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F16H 21/10 (2006.01) B25J 9/10 (2006.01) F16H 21/02 (2006.01)

Patent

CA 2248590

A device for relative movement of two elements (1, 2) comprises at least two first links (8, 9), which are connected relative to a first (1) of the elements via hinges (10, 11) and which are pivotable in substantially parallel planes relative to the first element (1) under influence of at least one first power-exerting member (12). At least two second links (14, 15), which are connected relative to a second (2) of the elements via hinges (16, 17), are pivotable in substantially parallel planes relative to the second element under influence of at least one second power-exerting member (18). The two first links (8, 9) form a first four-hinges system (FS1). The two second links (14, 15) form a second four-hinges system (FS2). These two four-hinges systems are coupled in series to each other between the first and second elements (1, 2).

Dispositif conçu pour le mouvement relatif de deux éléments (1, 2), comprenant au moins deux premières liaisons (8, 9) rattachées à un premier élément (1) de ces deux éléments par des articulations (10, 11) et qui peuvent pivoter dans des plans sensiblement parallèles par rapport à ce premier élément (1) sous l'influence d'au moins un premier élément (12) exerçant une force. Deux secondes liaisons (14, 15) sont reliées à un deuxième élément (2) de ces éléments par des articulations (16, 17) et peuvent pivoter dans des plans sensiblement parallèles par rapport à ce deuxième élément sous l'influence d'au moins un deuxième élément (18) exerçant une force (18). Les deux premières liaisons (8, 9) constituent un premier système à quatre articulations (FS1). Les deux secondes liaisons (14, 15) constituent un deuxième système à quatre articulations (FS2). Ces deux systèmes à quatre articulations sont reliés en série l'un à l'autre entre les premier et deuxième éléments (1, 2).

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