公开(公告)号：US20180162689A1

公开(公告)日：2018-06-14

申请号：US15378560

申请日：2016-12-14

Applicant: Otis Elevator Company

Inventor： Yong Hun Kim ,  Jong-Kon Bae ,  Kwon EunJin ,  Jusik Kim

IPC: B66B5/00 ,  B66B9/00 ,  B66B13/00 ,  B66B1/34

CPC classification number: B66B5/005 ,  B66B1/3415 ,  B66B9/00 ,  B66B13/00 ,  B66B13/16

Abstract: A pit switch module of elevator landing door for switching a mode of elevator between an inspection mode and a normal mode comprises a pit switch arranged that ON/OFF operation is configured to be done by an operator at a landing at the state when the elevator landing door has been closed such that the mode of elevator is switched before the operator enters a hoistway or after the operator leaves the hoistway.

公开(公告)号：US20200039794A1

公开(公告)日：2020-02-06

申请号：US16528236

申请日：2019-07-31

Applicant: Otis Elevator Company

Inventor： JungSam Kim ,  Jong-Kon Bae ,  Jinkoo Lee ,  Michael J. Tracey

IPC: B66B13/06

Abstract: A lost motion assembly for synchronizing, in an elevator, an opening and closing of center opening doors responsive to a belt moving in a first direction and a second direction, the assembly having: a first link having a plurality of opposing ends, the opposing ends including a first end and a second end, wherein the first end is connected to the belt, the first link being connected at a first pivot to a first door for pivoting the first link in a first pivotal direction and an opposing second pivotal direction, and the first pivot being disposed intermediate the opposing ends, wherein when the belt moves in the first direction the first link pivots in the first pivotal direction and when the belt moves in the second direction the first link pivots in the second pivotal direction, and the first door remains stationary while the first link pivots.