Bibliographic data: US4976582 (A) ― 1990-12-11


Device for the movement and positioning of an element in space  

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Page bookmark US4976582 (A)  -  Device for the movement and positioning of an element in space
Inventor(s): CLAVEL REYMOND [CH] +
Applicant(s): SOGEVA SA [CH] +
Classification:
- international: B25J11/00; B25J17/00; B25J17/02; B25J9/06; B25J9/10; (IPC1-7): B25J9/12
- cooperative:
Application number: US19890403987 19890906 
Priority number(s): CH19850005348 19851216
Also published as:


Abstract of  US4976582 (A)


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The device comprises a base element (1) and a movable element (8). Three control arms (4) are rigidly mounted at their first extremity (15) on three shafts (2) which may be rotated. The three assemblies each formed by a shaft (2) and an arm (4) are the movable parts of three actuators (13) of which the fixed parts (3) are integral with the base element. The other extremity (16) of each control arm is made integral with the movable element through two linking bars (5a, 5b) hingedly mounted on the one hand to the second extremity (16) of the control arm and, on the other hand, to the movable element. The inclination and the orientation in space of the movable element remain unchanged, whatever the motions of the three control arms may be. The movable element supports a working element (9) of which the rotation is controlled by a fixed motor (11) situated on the base element. A telescopic arm (14) connects the motor to the working element.