Focusing head of a laser beam provided with a focusing lens for

Details Focusing head of a laser beam provided with a focusing lens for Focusing head of a laser beam provided with a focusing lens for

1996-12-12

1998-11-17

Mills, Gregory L.

Electric heating

Metal heating

By arc

2191216, B23K 2600

Patent

active

058379657

ABSTRACT:
A focusing head of a laser beam provided with a focusing lens for a machine for working parts comprises an extractable lens-holding frame that supports the focusing lens, a supporting and centering bracket wherein the lens-holding frame is mounted in a disengageable manner, a spring in engagement with the supporting and centering bracket to urge the lens-holding frame in abutment against a stop socket. In that way the lens-holding frame is disengageable from the supporting and centering bracket by an action of compression of the spring and it can be extracted and reassembled in the focusing head without modifying centering and positioning of the focal spot of the lens.

REFERENCES:
patent: 4135778 (1979-01-01), Lincoln
patent: 4896944 (1990-01-01), Irwin et al.
patent: 4979180 (1990-12-01), Muncheryan
patent: 5508490 (1996-04-01), Klose
patent: 5702622 (1997-12-01), Schubert et al.
-A-59 024595 (Matsushita Denki Sangyo), 8 Feb. 1984.

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