Patent ID: 8573365
Filing Date: 2013-11-05
Classification: B66B

Abstract:
1. An emergency brake apparatus for an elevator system for braking movement of an elevator cage moving along a guide rail of the elevator system, the braking apparatus comprising: a pressing member mounted on the elevator cage and that is pressed against and into contact with the guide rail in response to an electrical signal generated in response to abnormal movement of the elevator cage, the pressing member being moved, translationally, (i) upward along the guide rail in relation to the elevator cage, upon braking downward movement of the elevator cage, and (ii) downward along the guide rail in relation to the elevator cage upon braking upward movement of the elevator cage, by a frictional force between the pressing member and the guide rail, wherein a pressing surface mounted on the elevator cage for braking by contacting the guide rail in response to movement of the pressing member against the guide rail.