Self-correcting sensor for an entrance

Movable or removable closures – Radiant energy control

Reexamination Certificate

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Details

C049S026000, C049S028000, C049S197000

Reexamination Certificate

active

10662005

ABSTRACT:
A radiation transmitting or sensing element is placed in a generally elongated holder of resilient material so that, if it is distorted by an accidental impact or otherwise, it will automatically re-orient itself when the intruding force is released. The invention is especially useful in safety accessories for automatic overhead doors, garages, and the like.

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