Title:
カムを利用した電気式ドアロックシステム
Document Type and Number:
Japanese Patent JP5425301
Kind Code:
B2
Abstract:
The invention relates to an electric door-locking system to be applied to at least one electric door body that is movable in a sliding manner, comprising: forwardly and reversely rotatable screws disposed side by side along a direction in which the electric door body slides at the side of a door frame; a cam assembly provided at a predetermined position of the screws to perform a locking function and an unlocking function; and a sliding unit provided with a locking roller resiliently biased in a direction toward the cam assembly and engaging with the cam assembly to perform the locking function, one end of the sliding unit being rotatably connected to the screw and the other end of the sliding unit being connected to the electric door body. According to the present invention, even with an uncomplicated and simple structure, the electric door-locking system can ensure the reliability of the locking function thereof, and reduce the danger of failure and malfunction, and further, reduces costs as compared to the prior art due to the ease of manufacture, maintenance, and repair thereof.
Inventors:
Lee Chul
Application Number:
JP2012512957A
Publication Date:
February 26, 2014
Filing Date:
May 24, 2010
Export Citation:
Assignee:
THE KOREA DEVELOPMENT BANK
International Classes:
E05B47/00; B61D19/00; B61D19/02; E05B65/08; E05B85/24; E05F15/14
Domestic Patent References:
| JP4228788A |
Attorney, Agent or Firm:
Yuji Hayakawa