Patents by Inventor Weifeng Shao

Weifeng Shao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Escalator handrail chain
    Patent number: 9056750
    Abstract: A handrail assembly for an escalator system includes a handrail movable along a length of the escalator and a handrail guide assembly defining a travel path for the handrail. The handrail guide assembly includes a handrail guide and a plurality of sliding bearing supports interconnected to form a handrail chain and secured to the handrail guide. One or more sliding bearings extend at least partially through each sliding bearing support of the handrail chain. A shaft extends through each sliding bearing support and is in sliding contact with the one or more sliding bearings. One or more rollers are secured to at least one end of the shaft and is in rolling contact with the handrail.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: June 16, 2015
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Wei Ge, Weifeng Shao, MingPing Jiang, Jun Li
  • PROFILE TRACK INTEGRATED DRIVE SYSTEM
    Publication number: 20130192952
    Abstract: A method for assembling a drive system for an escalator system includes securing one or more track sets extending along a path of the escalator to one or more support members extending at least partially across a width of the escalator system. A drive member is secured to the one or more support members such that the drive member is operably connected to the one or more track sets. The one or more track sets, the one or more support members and the drive member are installed into the escalator system as a unit.
    Type: Application
    Filed: December 23, 2010
    Publication date: August 1, 2013
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Guobin Lin, Zhaohui Lui, Ke Ye, Songjian He, Biao Li, Coliu Muke Wu, Yanying Anne Chen, Richard Qingdong Jiang, Ji An Wan, Yaoji Xu, Guojie Samuel Ye, De Wu, MingPing Jiang, JianGuo Li, Weifeng Shao, Wei Ge, Graham Worthington
  • ESCALATOR HANDRAIL CHAIN
    Publication number: 20120279827
    Abstract: A handrail assembly for an escalator system includes a handrail movable along a length of the escalator and a handrail guide assembly defining a travel path for the handrail. The handrail guide assembly includes a handrail guide and a plurality of sliding bearing supports interconnected to form a handrail chain and secured to the handrail guide. One or more sliding bearings extend at least partially through each sliding bearing support of the handrail chain. A shaft extends through each sliding bearing support and is in sliding contact with the one or more sliding bearings. One or more rollers are secured to at least one end of the shaft and is in rolling contact with the handrail.
    Type: Application
    Filed: January 13, 2011
    Publication date: November 8, 2012
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Wei Ge, Weifeng Shao, MingPing Jiang, Jun Li