Title:
渦電流式ブレーキ装置
Document Type and Number:
Japanese Patent JP7240786
Kind Code:
B2
Abstract:
The invention provides an eddy current type brake device which is installed on an elevator car or a balance weight moving along a guide rail, the eddy current type brake device is provided with a magnet unit and an operation mechanism, and the guide rail extends along the vertical direction. The magnet unit includes at least one magnet. The operating mechanism moves the magnet unit between an operating position at which the magnet unit approaches the guide rail and actuates the brake and a non-operating position at which the magnet unit is farther from the guide rail than the operating position.
Inventors:
Yuji Ishii
Yu Maruyama
Shunta Sasaki
Satoshi Ogawa
Yu Maruyama
Shunta Sasaki
Satoshi Ogawa
Application Number:
JP2021131741A
Publication Date:
March 16, 2023
Filing Date:
August 12, 2021
Export Citation:
Assignee:
Toshiba Elevator and Building Company
International Classes:
B66B5/16; B66B1/34; F16D63/00
Domestic Patent References:
| JP8048473A | ||||
| JP2013514955A |
Foreign References:
| US3625317 | ||||
| US20060278478 | ||||
| WO2017158971A1 | ||||
| US5366044 | ||||
| US20150259175 | ||||
| US6523650 |
Attorney, Agent or Firm:
Nakamura Yukitaka
Miyajima Manabu
Kazuya Yamashita
Enami Kaoru
Miyajima Manabu
Kazuya Yamashita
Enami Kaoru