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Document |
Document Title |
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6612357 |
Impact detection system for industrial doors
An impact detection system for an industrial door, the system including two members that are releasably coupled to each other to move together with the door as it travels, disposed beyond the...
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5829508 |
Door closer and method
Disclosed is a top mounted interior door closer utilizing as a drive mechanism a yieldable actuator which is exercised during the opening and retraction which is desirably mounted in an encasement...
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5540269 |
Motor-driven roller blind
The invention relates to a motor-driven roller blind comprising, on the one hand, an apron rolling up onto and unrolling from a winding shaft inside which is accommodated a tubular-type driving...
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5228492 |
Electric rolling steel door safety stopping device
A safety stopping device particularly adapted for use with an electric steel rolling door is disclosed which comprises a transmitter mounted on a base plate of the rolling door and a receiver...
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3249148 |
Automatic venetian blinds
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1936251 |
Safety curtain
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1186865 |
Title is not available
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