Title:
【発明の名称】エレベーターシステムの非常停止装置
Document Type and Number:
Japanese Patent JP3376332
Kind Code:
B2
Abstract:
An emergency stop apparatus for an elevator having a simple structure as well as effectiveness, which may facilitate to reduce manufacturing and maintaining cost. The emergency stop apparatus for an elevator includes a pair of wedges for stopping the elevator by constricting the guide rail when the elevator moves in excess speed; a flexible cable for drawing the wedges upward when the elevator moves in excess speed; a cam having a rotary shaft engaged with the flexible cable for drawing the cable upward when the elevator moves in excess speed; a disk roller which rides and rolls on the guide rail on the center of a rotary shaft thereof when the elevator moves and receiving pressure from the cam means toward the guide rail when the elevator moves in excess speed; a centrifugal weight having same rotary shaft as the disk roller for rotating the cam means when the elevator moves in excess speed; and a spring for biasing the centrifugal weight to come in contact with the cam means when the elevator moves in excess speed.
Inventors:
Hyun Ho Jin
Application Number:
JP35151399A
Publication Date:
February 10, 2003
Filing Date:
December 10, 1999
Export Citation:
Assignee:
ELGE Otis Elevator Company
International Classes:
B66B5/22; B66B5/00; B66B5/04; B66B5/18; F16D63/00; F16D65/14; (IPC1-7): B66B5/22
Domestic Patent References:
| JP5235054A | ||||
| JP6422788A | ||||
| JP55119676A |
Attorney, Agent or Firm:
Takashi Ishida (7 others)