Patents by Inventor Keith Robert Machin

Keith Robert Machin 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: 9622570
    Abstract: A tablet assembly for use in a space partially defined by a wall structure having a substantially planar wall surface, the assembly comprising a first coupler supported by the wall structure, a tablet support arm assembly having a support arm length dimension between proximal and distal ends, the proximal end mounted to the first coupler adjacent the planar wall surface for rotation about a first vertical axis through a first range of motion between first and second first-axis limit positions, the arm assembly extending from the planar wall surface to form acute angles with the planar wall surface in each of the first and second first-axis limit positions and a tablet member forming top and bottom surfaces and having a side edge, the tablet member supported at the distal end of the arm for rotation about a second vertical axis through a second range of motion between first and second second-axis limit positions, wherein the limit positions limit the tablet member to positions in which the side edge of the tab
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: April 18, 2017
    Assignee: Steelcase Inc.
    Inventors: Russell T Holdredge, Sean Corcorran, David K Jones, Duck Young Kong, Todd Krupiczewicz, Keith Robert Machin, Mark Mckenna, Gordon Peterson, Mark William Spoelhof, Pradeep Mydur, David J Battey
  • Patent number: 9414685
    Abstract: A seating unit for use in a space including a floor surface, the seating unit comprising a base including a bottom ring adapted to be supported above the floor surface, a pan attached to the bottom ring and adapted to support articles above the floor surface, a central hub positioned above the pan and legs extending from the central hub to the bottom ring and a seat structure comprising a one-piece seat shell rotatably attached to and positioned above the central hub.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: August 16, 2016
    Assignee: Steelcase Inc.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J Battey, Nickolaus William Charles Deevers
  • Patent number: 9414686
    Abstract: A seating assembly comprising a seat structure including a seat member having an undersurface and a seat edge, a mounting bracket mounted to the undersurface of the seat member, a base including a central hub and a plurality of leg members, the mounting bracket mounted to the base and spaced above the central hub, a first vertical axis passing through the central hub, a base tube mounted to and extending upward along the first vertical axis from the central hub, a mounting collar mounted to the base tube for rotation about the first vertical axis, the mounting collar positioned proximate the mounting bracket and located at least in part located between the mounting bracket and the central hub, a support arm having first and second ends, the first end mounted to the mounting collar for rotation therewith about the vertical axis, the support arm extending radially outward from the mounting collar along the undersurface of the seat member and upward to the second end and a tablet member mounted to the second end
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: August 16, 2016
    Assignee: Steelcase Inc.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J Battey, Nickolaus William Charles Deevers
  • Patent number: 9277825
    Abstract: A seating unit for use in a space including a supporting floor surface, the seating unit comprising a seat structure comprising a mounting bracket having a female connector, a tablet assembly comprising a support arm having a mounting collar on an end and a base having a lower end to be supported by the floor surface and including a base mounting assembly and wherein the base mounting assembly comprises a cup attached to the base, a base tube having a first end inserted into the cup and a second end extending through the mounting collar and mateably engaging the female connector.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: March 8, 2016
    Assignee: Steelcase, Inc.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J Battey, Nickolaus William Charles Deevers
  • Publication number: 20150366356
    Abstract: A seating unit for use in a space including a supporting floor surface, the seating unit comprising a seat structure comprising a mounting bracket having a female connector, a tablet assembly comprising a support arm having a mounting collar on an end and a base having a lower end to be supported by the floor surface and including a base mounting assembly and wherein the base mounting assembly comprises a cup attached to the base, a base tube having a first end inserted into the cup and a second end extending through the mounting collar and mateably engaging the female connector.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Inventors: SEAN M. CORCORRAN, KEITH ROBERT MACHIN, CODY JAY HOLSTEGE, WILLIAM CAREY, LARRY CHENG, ELGER OBERWELZ, THOMAS OVERTHUN, LUKAS MARTIN SCHERRER, JOERG CHRISTOPH STUDENT, DAVID J. BATTEY, NICKOLAUS WILLIAM CHARLES DEEVERS
  • Patent number: 9060609
    Abstract: A base assembly including a pan member having a top surface, a bottom surface, an outer edge, a central portion and a peripheral portion, the outer edge forming a shape, the top surface concave upward, the pan member forming a plurality of openings that are spaced about the peripheral portion and located at a height above the bottom surface of the central portion, a bottom ring having a shape that is substantially similar to the shape of the pan member, a plurality of pintle mounts extending downward from an undersurface of the bottom ring, the bottom ring mounted to the top surface of the pan member and each pintle mount extending through one of the openings formed in the pan member, a central hub forming an opening in a top surface for receiving a lower portion of a chair mounting assembly, and a plurality of leg members extending upward and from spaced apart locations of the bottom ring to the central hub to support the central hub above the central portion of the pan member.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: June 23, 2015
    Assignee: STEELCASE, INC.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J Battey, Nickolaus William Charles Deevers
  • Patent number: 9044087
    Abstract: A seating assembly including a base having a bottom ring supported by casters, a pan supported by the bottom ring, a central hub forming an upwardly opening cavity, a plurality of legs extending outward and downward from the central hub to the bottom ring, a one-piece molded seat shell, a mounting bracket forming four apertures and including a female connector and at least one rib member that extends downward adjacent the female connector, the at least one rib member including end edges that forms first and second stop surfaces, the mounting bracket attached to the bottom of the seat by passing fasteners through the apertures, a support arm, a mounting assembly including, a cup member, a base tube, an annular mounting collar and a pivot cover forming an upwardly opening annular channel and an inverted U-shaped opening, the pivot cover attached to the mounting collar with the first end of the support arm extending through the inverted U-shaped opening and the at least one rib member received within the annular
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: June 2, 2015
    Assignee: STEELCASE, INC.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J Battey, Nickolaus William Charles Deevers
  • Publication number: 20140210237
    Abstract: A seating unit for use in a space including a floor surface, the seating unit comprising a base including a bottom ring adapted to be supported above the floor surface, a pan attached to the bottom ring and adapted to support articles above the floor surface, a central hub positioned above the pan and legs extending from the central hub to the bottom ring and a seat structure comprising a one-piece seat shell rotatably attached to and positioned above the central hub.
    Type: Application
    Filed: February 13, 2014
    Publication date: July 31, 2014
    Inventors: Sean M. Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J. Battey, Nickolaus William Charles Deevers
  • Patent number: 8696056
    Abstract: A seating unit having a seat structure, a base, and optionally a tablet assembly is provided. The seat can turn freely through 360 degrees of rotation. One base includes three or more legs and offset casters. Alternatively, the base includes a pedestal having a tapered gas cylinder. The tablet assembly includes a support arm, a pivot assembly attached to one end of the support arm tablet, and a tablet attached to the pivot assembly. The tablet can rotate horizontally on the support arm. The tablet assembly also includes a mounting assembly attached to the other end of the support arm. The support arm can rotate relative to the seat structure. Rotation of the tablet relative to the support arm and rotation of the support arm relative to the seat structure is constrained by stops in the pivot assembly and tablet mounting assembly, respectively.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: April 15, 2014
    Assignee: Steelcase Inc.
    Inventors: Sean M Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J. Battey, Nickolaus William Charles Deevers
  • Publication number: 20140097650
    Abstract: A seating unit for use in a space including a supporting floor surface, the seating unit comprising a seat structure comprising a mounting bracket having a female connector, a tablet assembly comprising a support arm having a mounting collar on an end and a base having a lower end to be supported by the floor surface and including a base mounting assembly and wherein the base mounting assembly comprises a cup attached to the base, a base tube having a first end inserted into the cup and a second end extending through the mounting collar and mateably engaging the female connector.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Inventors: Sean M. Corcorran, Keith Robert Machin, Cody Jay Holstege, William Carey, Larry Cheng, Elger Oberwelz, Thomas Overthun, Lukas Martin Scherrer, Joerg Christoph Student, David J. Battey, Nickolaus William Charles Deevers
  • Patent number: D646497
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: October 11, 2011
    Assignee: Steelcase Inc.
    Inventors: Thomas Overthun, Elger Oberwelz, David J. Battey, Sean M. Corcorran, Nickolaus William Charles Deevers, Keith Robert Machin, James N. Ludwig
  • Patent number: D679517
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: April 9, 2013
    Assignee: Steelcase Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin, James N. Ludwig
  • Patent number: D679523
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 9, 2013
    Assignee: Steelcase Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, James N. Ludwig, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin
  • Patent number: D679524
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 9, 2013
    Assignee: Steelcase Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, James N. Ludwig, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin
  • Patent number: D679525
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 9, 2013
    Assignee: Steelcase Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, James N. Ludwig, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin
  • Patent number: D679923
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 16, 2013
    Assignee: Steelcase Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin, James N. Ludwig
  • Patent number: D689723
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 17, 2013
    Assignee: Steelcase, Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin, James N. Ludwig
  • Patent number: D758776
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: June 14, 2016
    Assignee: Steelcase, Inc.
    Inventors: Mark McKenna, Mark William Spoelhof, Duck Young Kong, Keith Robert Machin
  • Patent number: D758777
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: June 14, 2016
    Assignee: Steelcase, Inc.
    Inventors: Mark McKenna, Mark William Spoelhof, Duck Young Kong, Keith Robert Machin
  • Patent number: D690143
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 24, 2013
    Assignee: Steelcase, Inc.
    Inventors: Sean M. Corcorran, Thomas Overthun, Elger Oberwelz, David J. Battey, Nickolaus William Charles Deevers, Keith Robert Machin, James N. Ludwig