Patents by Inventor Robert Mael

Robert Mael 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).

  • Wheelchair including a collapsible and/or angle adjustable backrest frame
    Patent number: 9364378
    Abstract: The present invention relates to a wheelchair (10) comprising a wheelchair frame (1) resting on wheels (2, 3) and supporting a seat (4), and a backrest frame (5) supporting a backrest (6), said backrest frame (5) being pivotally connected to said wheelchair frame (1) and comprising two lateral tubular elements (5a), wherein each tubular element (5a) comprises an upper end portion (5b) provided with a handle (5d) and a lower end portion (5c) pivotally mounted on an axis (7) supported on a support (11) fixedly connected to the wheelchair frame (1), characterized in that locking/unlocking means (12) are provided for preventing the lower end portion (5c) of at least one of said tubular elements (5a), and preferably of each one of said tubular elements, to pivot relative to the corresponding support (11) in a locked inclined position of the backrest frame (5), said locking/unlocking means (12) being configured so as to permit a stepless adjustment of the angle (?0) between a plane (P1) defined by the backrest (6)
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: June 14, 2016
    Assignee: INVACARE INTERNATIONAL SARL
    Inventors: Robert Mael, Jean-Michel Roncin
  • WHEELCHAIR INCLUDING A COLLAPSIBLE AND/OR ANGLE ADJUSTABLE BACKREST FRAME
    Publication number: 20150231003
    Abstract: The present invention relates to a wheelchair (10) comprising a wheelchair frame (1) resting on wheels (2, 3) and supporting a seat (4), and a backrest frame (5) supporting a backrest (6), said backrest frame (5) being pivotally connected to said wheelchair frame (1) and comprising two lateral tubular elements (5a), wherein each tubular element (5a) comprises an upper end portion (5b) provided with a handle (5d) and a lower end portion (5c) pivotally mounted on an axis (7) supported on a support (11) fixedly connected to the wheelchair frame (1), characterized in that locking/unlocking means (12) are provided for preventing the lower end portion (5c) of at least one of said tubular elements (5a), and preferably of each one of said tubular elements, to pivot relative to the corresponding support (11) in a locked inclined position of the backrest frame (5), said locking/unlocking means (12) being configured so as to permit a stepless adjustment of the angle (?0) between a plane (P1) defined by the backrest (6)
    Type: Application
    Filed: July 31, 2012
    Publication date: August 20, 2015
    Applicant: Invacare International Sarl
    Inventors: Robert Mael, Jean-Michel Roncin