Apparatus for monitoring and securing accessible danger zones of

Details Apparatus for monitoring and securing accessible danger zones of Apparatus for monitoring and securing accessible danger zones of

1993-10-14

1994-06-21

Watts, Douglas D.

Solid material comminution or disintegration

Apparatus

With means to protect operator from injury

19 80R, 241 33, 2411017, 241605, F16P 314, D01G 700, D01G 3100

Patent

active

053222261

ABSTRACT:
An apparatus for securing danger zones in a bale opening system. The apparatus includes a first beam transmitting/receiving device and a beam guide for guiding the first beam in a generally U-shaped course. A space between the legs of the U-shaped course accommodates conveyor belts on which bales are supported, the bale opener in any position along a path of travel thereof, a shuttle carriage in any position along a path of travel thereof and at least one part of a loading station. The shuttle carriage travels between a loading station where a bale is loaded on the carriage and a location on a conveyor belt where the carriage deposits the bale. The apparatus further has second and third beam transmitting/receiving devices for generating and detecting second and third beams each having a course connecting legs of the U-shaped course in a zone of the loading station. The second beam is more remote from the base of the U-shaped course of the first beam than the third beam. A switching arrangement selectively activates and deactivates the second and third beam transmitting/receiving devices.

REFERENCES:
patent: 4544106 (1985-10-01), Haekenbeck et al.
patent: 4813616 (1989-03-01), Hosel et al.

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