Apparatus and method for the position checking of a...

Details Apparatus and method for the position checking of a... Apparatus and method for the position checking of a...

2007-07-24

2007-07-24

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S559290

Reexamination Certificate

active

10563512

ABSTRACT:
An apparatus for checking the integrity of tools includes an optoelectronic system (7) with a laser beam (21), a base (6) movable along a longitudinal direction (X) for enabling displacements between tool and optoelectronic system and a device for checking the mutual position including, for example, a transducer (9,10). A sensor (22) of the optoelectronic system detects the interruption of the beam and, on the basis of the transducer signal at said interruption and on the comparison with a known value, the integrity of the tool is determined. A coupling mechanism (24) of the optoelectronic system coupled at the base enables oscillations of the former along a transversal reference surface, that define a sensitive delimited area (33). The oscillations are controlled by means of a motor (26) and interruptions of the beam are detected and signalled by the sensor the moment that the end of the tool interferes with the sensitive delimited area.

REFERENCES:
patent: 3471234 (1969-10-01), Studebaker
patent: 3912925 (1975-10-01), Gaskell
patent: 2001/0017699 (2001-08-01), Egelhof
patent: 196 29 616 (1998-01-01), None
patent: 9-300178 (1997-11-01), None

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