Patent ID: 6079524
Filing Date: 2000-06-27
Classification: E06B,F16D,H02K

Abstract:
An automatic stop mechanism for a rolling door, comprising:a motor received in a motor casing and having a shaft extending therefrom;a first member movably mounted to said shaft with a spring biased between said motor and said first member, said first member having a first serrated end;a stop member fixedly connected to said first member with said first serrated end of said first member extending centrally through said stop member, two slots defined through the periphery thereof and two protrusions extending radially inwardly therefrom, said stop member having a flange extending radially outward therefrom;two brake members having two respective first ends thereof connected by a spring and two respective second ends thereof each having a curved plate, each of said brake members having a brake pad attached thereto, said two brake members mounted to said stop member and said two curved plates engaged with said two protrusions via said two slots, said two brake pads located within said motor casing;a fixture having an inclined flange extending from the first side thereof and a handle pivotally connected to the second side of said fixture, said flange of said stop member disengagably contacting said inclined flange of said fixture, anda second member extending centrally through said fixture and having a second serrated end which is removably engaged with said first serrated end of said first member, said handle pivotally connected to said second member so that said second member is shifted when pivoting said handle.