Patents by Inventor Timothy Boothroyd

Timothy Boothroyd 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: 7832521
    Abstract: An axle assembly for a vehicle, the axle assembly comprising a differential gear having an input for connection to a drive shaft, and a first wheel hub to support a first wheel and a second wheel hub to support a second wheel, the first wheel hub and the second wheel hub being drivingly connected to the differential gear, wherein the first wheel hub is drivingly connected to the differential gear via a reverser mechanism, the reverser mechanism having a first operating mode where the first wheel hub is driven in the same direction as the second wheel hub and a second operating mode where the first wheel hub is driven in the opposite direction to the second wheel hub.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: November 16, 2010
    Assignee: J.C. Bamford Excavators Limited
    Inventors: Paul Levell, Simon James Peter Evans, Timothy Boothroyd
  • Publication number: 20080128194
    Abstract: An axle assembly for a vehicle, the axle assembly comprising a differential gear having an input for connection to a drive shaft, and a first wheel hub to support a first wheel and a second wheel hub to support a second wheel, the first wheel hub and the second wheel hub being drivingly connected to the differential gear, wherein the first wheel hub is drivingly connected to the differential gear via a reverser mechanism, the reverser mechanism having a first operating mode where the first wheel hub is driven in the same direction as the second wheel hub and a second operating mode where the first wheel hub is driven in the opposite direction to the second wheel hub.
    Type: Application
    Filed: October 25, 2007
    Publication date: June 5, 2008
    Applicant: J.C. Bamford Excavators Limited
    Inventors: Paul Levell, Simon James Peter Evans, Timothy Boothroyd
  • Patent number: 6752403
    Abstract: A working apparatus includes a body, an engine, axles each carrying ground engaging wheels or tracks for moving the apparatus over the ground, an operator's cab mounted on the body, and at least one working arm supported at or adjacent one end on the body at a position for movement relative to the body, the arm being adapted to carry a working implement at or adjacent a second end thereof, and wherein one of the front and rear axles is suspended from the body by a suspension system which is adjustable independently of the other axle to raise the body to a fully raised position in which an uppermost part of the body is at a maximum height above the ground and a fully lowered position in which an uppermost part of the body is at a minimum height above the ground.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: June 22, 2004
    Assignee: J.C. Bamford Excavators Ltd.
    Inventors: Walter Roy Allen, Ian Harrold Carswell, Phillip Jackson, Dominic Francis Marten Simpson, Timothy Boothroyd, Peter Jowett
  • Publication number: 20010024021
    Abstract: A working apparatus includes a body, an engine, a front axle and a rear axle, the axles each carrying ground engaging wheels or tracks on which the apparatus may move over the ground, the apparatus further including an operator's cab mounted on the body, and there being at least one working arm supported at or adjacent one end on the body at a position for movement relative to the body, the arm being adapted to carry a working implement at or adjacent a second end thereof, and wherein one of the front and rear axles is suspended from the body by suspension means which is adjustable independently of the other axle to raise the body to a fully raised position in which a plane in which an uppermost part of the body lies, is at a maximum height above the ground and a fully lowered position in which the is at a minimum height above the ground.
    Type: Application
    Filed: January 25, 2001
    Publication date: September 27, 2001
    Inventors: Walter Roy Allen, Ian Harrold Carswell, Phillip Jackson, Dominic Francis Marten Simpson, Timothy Boothroyd, Peter Jowett