Patent ID: 7100515

Claim:
A device for positioning a tool ( 1 ) in a working area, said device having two spaced parallel horizontal guide tracks ( 3 , 4 ), two guide slides ( 5 , 6 ) movably supported one in each of the guide tracks 3 , 4 , two coupler link ( 15 , 16 ) pivotally supported at one end thereof each on one of the guide slides ( 5 , 6 ) so as to be pivotable about first and second vertical joint axes, and being joined to each other by a third joint formed at the other ends of the coupler links ( 15 , 16 ) pivotally about the third joint axis which extends parallel to the first and second vertical joint axes, a spindle extending from the joint of the coupler links in alignment with the third joint axis ( 17 ) so as to be linearly adjustable, and a tool or tool holder ( 11 ) mounted on the spindle ( 18 ), the coupler links ( 15 , 16 ) being longer than the distance between the two guide tracks ( 3 , 4 ) so that also areas at opposite sides of the guide tracks ( 3 , 4 ) can be swept over by third joint and the spindle with the tool or tool holder ( 11 ) connected thereto.