Patents by Inventor Endison Lu

Endison Lu 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).

  • Patent number: 9693625
    Abstract: A seat pivotably mounted to a seat base via a swivel connector, and a work surface assembly pivotably mounted above the seat base and below the seat via the swivel connector. In particular, a bushing may be attached to an outer surface of the swivel connector in a manner in which the bushing is axially fixed, yet rotatable relative to the swivel connector, such as via an arrangement of protrusions and grooves on the bushing and connector, respectively. A portion of the tablet arm is received over the bushing, such that the bushing provides a low-friction interface between work surface assembly and the seat. In this arrangement, the pivot connection between the work surface assembly and the chair is functionally independent of the pivot connection between the seat and seat base. This functional independence facilitates assembly of the work surface assembly to the chair, and allows the pivotable work surface to be retrofit to preexisting swivel chairs.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 4, 2017
    Assignee: Kimball International, Inc.
    Inventor: Endison Lu
  • Publication number: 20160353887
    Abstract: A seat pivotably mounted to a seat base via a swivel connector, and a work surface assembly pivotably mounted above the seat base and below the seat via the swivel connector. In particular, a bushing may be attached to an outer surface of the swivel connector in a manner in which the bushing is axially fixed, yet rotatable relative to the swivel connector, such as via an arrangement of protrusions and grooves on the bushing and connector, respectively. A portion of the tablet arm is received over the bushing, such that the bushing provides a low-friction interface between work surface assembly and the seat. In this arrangement, the pivot connection between the work surface assembly and the chair is functionally independent of the pivot connection between the seat and seat base. This functional independence facilitates assembly of the work surface assembly to the chair, and allows the pivotable work surface to be retrofit to preexisting swivel chairs.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 8, 2016
    Inventor: Endison Lu