公开(公告)号：US10927915B2

公开(公告)日：2021-02-23

申请号：US15843781

申请日：2017-12-15

Applicant: OTIS ELEVATOR COMPANY

Inventor： Enrico Manes ,  Robert A. Barth ,  Xiaodong Luo ,  Shihemn Chen ,  Daryl J. Marvin ,  Michael A. Klecka ,  Luke A. Mishler

IPC: F16F1/18 ,  B33Y80/00 ,  B66B5/22

Abstract: An illustrative example spring includes a curved shape body having a length. The body includes a cavity that extends along at least a majority of the length. The body has a cross-section across the length that is different at a plurality of locations on the body along the length.

公开(公告)号：US20190011007A1

公开(公告)日：2019-01-10

申请号：US16068008

申请日：2017-01-04

Applicant: Otis Elevator Company

Inventor： Aaron T. Nardi ,  Robert A. Barth ,  Xiaodong Luo ,  Mark Steven Thompson ,  Michael A. Klecka

IPC: F16D69/02 ,  B66B5/22 ,  F16D69/04

Abstract: An elevator safety brake for stopping an elevator car, the brake including a brake shoe including a base, and a brake pad disposed on the base, wherein the brake pad includes a rail contacting friction surface for contacting an elevator guide rail surface, wherein the brake pad is fuse bonded to the base, wherein the brake pad is chosen from a group consisting of: molybdenum and molybdenum alloys.