Patent ID: 7975355

Claim:
A device for adjusting the orientation of the working axis (A 6 ) of a working tool ( 35 ), said working tool being in rotation about said working axis to work an ophthalmic lens, said adjustment being about at least one swivel axis (A 7 ) extending substantially transversely to said working axis, the lens being secured to a support that is rotationally drivable by a drive about a lens rotation axis, the device comprising: pivot means enabling the working axis (A 6 ) of the working tool ( 35 ) to perform pivoting movement (PIV) about said at least one swivel axis relative to said axis of rotation of the lens support; and adjustment means for adjusting the angular position of the working tool ( 35 ) about said at least one swivel axis; the device including first movement means for enabling the working tool ( 35 ) to move relative to the lens (L) to be drilled with a first degree of freedom in movement (ESC; TRA) distinct from the pivoting (PIV) of the working axis (A 6 ) of the working tool ( 35 ) about said at least one swivel axis, and additionally, said adjustment means are arranged to control pivoting (PIV) of the working axis (A 6 ) of the working tool ( 35 ) about said at least one swivel axis by means of said first degree of freedom in relative movement of the working tool ( 35 ) relative to the lens (L), which is to be drilled.