Patents Assigned to Northern Elevator Limited
  • Elevator traction sheave brake
    Patent number: 5007505
    Abstract: An elevator traction sheave brake for use on a counter-balanced elevator. The brake comprises a controllable friction member which when released from its running position is compressed against the traction sheave and is capable of providing a braking torque in accordance with a preset braking profile whereby uncontrolled rotation of the traction sheave is prevented.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: April 16, 1991
    Assignee: Northern Elevator Limited
    Inventor: Robert Lindegger