Elevator buffer

Details Elevator buffer Elevator buffer

B - Operations, Transporting

66

B

187/18

B66B 5/28 (2006.01) B66B 5/22 (2006.01)

Patent

CA 1197793

Elevator Buffer Abstract A plate is attached to a rail which moves verti- cally in a housing. The housing includes a brake which rubs on one side of the rail; on the other side, there is a roller. A leaf spring is positioned between the housing and the roller. When the rail moves verti- cally in one direction, the roller is pushed progressive- ly harder against the rail. This squeezes the rail against the brake, creating a braking force on the rail that increases, to maximum, in relation to distance the rail moves. This arrangement may be used as a buffer for an elevator cab or counterweight in an elevator.

431760

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