With Means Locking Input Part Of Control Against Movement Patents (Class 187/299)
  • Patent number: 8875845
    Abstract: A lift car securing arrangement includes a restraining arrangement having a restraint that is supported by the lift car arranged such that it can be placed into and removed from restraining interaction with an extended stationary interaction element arranged to extend along the vertical pathway of the lift car, and which restraint when placed into restraining interaction locks the lift car to the stationary interaction element, a power-interruption device that can be placed into and removed from a power-interrupting position whereby the power to a driving motor unit that is part of the lift is interrupted when the power-interruption device is placed arranged in its power-interrupting position, in which the power-interruption device is so arranged at the restraining arrangement that the said power-interruption device is located in its power-interrupting position when the restraint has been set into restraining interaction with the extended stationary interaction element.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 4, 2014
    Assignee: Alimak AB
    Inventor: Gunnar Nygren
  • Patent number: 5817994
    Abstract: A remote control arrangement (and method) for generating a car command remotely, includes a wireless transmitter and a wireless receiver which is coupled to an elevator controller. The receiver is detachably connected to wiring which leads to the controller. After finishing use of the transmitter/receiver arrangement, elevator service personnel detaches the receiver from the elevator wiring leading to the controller.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: October 6, 1998
    Assignee: Otis Elevator Company
    Inventors: Gerald B. Fried, Michael Mutal