Auxiliary focusing tool for laser marker

Electric heating – Metal heating – By arc

Reexamination Certificate

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C219S121830

Reexamination Certificate

active

06924458

ABSTRACT:
An auxiliary focusing tool for a laser marker for adjusting a distance between a laser focal lens and a work piece before laser marking, the tool comprises: a holding member provided on the laser marker, and a collapsible measuring kit provided on the laser marker at an outputting position of a light source, the measuring kit and the holding member get a predetermined length and are perpendicular to a working surface on the work piece after they are stretched out; and the measuring kit is collapsible to be received in the holding member when it is stored.

REFERENCES:
patent: 5837962 (1998-11-01), Overbeck
patent: 2002/0057481 (2002-05-01), Souda et al.
patent: 2004/0104202 (2004-06-01), Downes et al.
patent: 2004/0159641 (2004-08-01), Kaplan et al.

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