Radiant energy – Photocells; circuits and apparatus – Housings
Patent
1982-02-04
1985-05-14
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Housings
12 7, A43D 2100, H01J 502
Patent
active
045174571
ABSTRACT:
Photo electric sensors, located in a supporting body, are mounted in association with selected one of the plurality of mold sections in a lasting machine. The photo sensors include a light source and a mirror in one housing and a transistor and a mirror in a second housing. The housing being arranged so that the mirrors transfer the light across the gap between the gap between the plier bodies intersecting the path of movement of the associated clamping jaw. The sensors sense the actual position of the work piece in the mold and provide a signal thereof.
REFERENCES:
patent: 2178609 (1969-11-01), Rohrer
patent: 4292529 (1981-09-01), Thurston
Hradek Jaroslav
Langer Frantisek
Seeman Jindrich
Valasek Miloslav
Schaffer Murray
Tovarny strojirenske techniky
Westin Edward P.
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