Roller shutter safety device

Details Roller shutter safety device Roller shutter safety device

H - Electricity

01

H

306/5

H01H 3/16 (2006.01) E06B 9/88 (2006.01) E06B 9/80 (2006.01)

Patent

CA 1115752

ROLLER SHUTTER SAFETY DEVICE Abstract of the Disclosure This invention relates to a switching arrangement for use in stopping or reversing an electrically driven roller door when an object lying in its path is struck during closing. The arrangement comprises a switch bar extending the width of the door curtain and projecting below its bottom edge, hinge mounting means securing the bar to the curtain and permitting swing movement about a horizontal axis, resilient loading means urging the bar into a rest position in which the lowermost bar surface is latterally displaced from the axis and a switch actuated by movement of the bar from its rest position. - 1 -

323652

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