Multi-optical axis photoelectric sensor

Details Multi-optical axis photoelectric sensor Multi-optical axis photoelectric sensor

2006-10-17

2006-10-17

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C340S555000, C250S221000

Reexamination Certificate

active

07122782

ABSTRACT:
A multi-optical axis photoelectric sensor where a main element holder and an additional element holder are relatively moved in a direction perpendicular to an arrangement direction of optical axes. An engagement projection of the additional element holder is fit into a receiving hole of the main element holder and the hook of the additional element holder engages with the end edge of the main element holder, whereby the main element holder and the additional element holder are mechanically coupled to each other.

REFERENCES:
patent: 3805061 (1974-04-01), De Missimy
patent: 5003169 (1991-03-01), Sakaguchi et al.
patent: 6635862 (2003-10-01), Shteynberg
patent: 2002/0017604 (2002-02-01), Nakazaki et al.
patent: 2000-251595 (2000-09-01), None
patent: 2001-135208 (2001-05-01), None

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