US 9,809,426 B2
Low-speed brake apparatus for escalator
Ho Yeon Lee, Seoul (KR)
Assigned to Mijuhitec Co., LTD., Seoul (KR)
Appl. No. 15/317,062
Filed by MIJUHITEC CO., LTD., Seoul (KR)
PCT Filed Jun. 5, 2015, PCT No. PCT/KR2015/005687
§ 371(c)(1), (2) Date Dec. 7, 2016,
PCT Pub. No. WO2015/190763, PCT Pub. Date Dec. 17, 2015.
Claims priority of application No. 10-2014-0069556 (KR), filed on Jun. 9, 2014.
Prior Publication US 2017/0113903 A1, Apr. 27, 2017
Int. Cl. B66B 25/00 (2006.01); B66B 29/00 (2006.01)
CPC B66B 25/00 (2013.01) [B66B 29/00 (2013.01)] 4 Claims
OG exemplary drawing
1. A low-speed brake apparatus for an escalator, comprising:
a brake sprocket installed on a driving shaft, wherein step sprockets engaged with step chains and a driving sprocket are installed on the driving shaft and a driving chain inserted into a rotation shaft of a driving motor rotates the driving sprocket so that a step is driven;
a follower sprocket connected to the brake sprocket by a brake chain in such a way as to operate in conjunction with the brake sprocket;
an electronic clutch regulating connection between the follower sprocket and a transmission gear;
a brake motor having a center shaft rotated by the transmission gear;
a plurality of switching means connected to a plurality of windings which is a stator of the brake motor; and
a controller for supplying an operation pulse to selected switching means.