Patents by Inventor John A. West

John A. West 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: 10023448
    Abstract: A lift truck includes an operator compartment and a pair of forks extending away from said operator compartment in a forward direction. A pair of mast columns are interposed between the operator compartment and the forks. Components mounted on at least one of the mast columns are arranged to fall within a viewing shadow so as not to obstruct the operator's field of view.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: July 17, 2018
    Assignee: The Raymond Corporation
    Inventors: Robert Lewis, John A. West
  • Publication number: 20150360921
    Abstract: A lift truck includes an operator compartment and a pair of forks extending away from said operator compartment in a forward direction. A pair of mast columns are interposed between the operator compartment and the forks. Components mounted on at least one of the mast columns are arranged to fall within a viewing shadow so as not to obstruct the operator's field of view.
    Type: Application
    Filed: August 21, 2015
    Publication date: December 17, 2015
    Inventors: Robert Lewis, John A. West
  • Patent number: 7984793
    Abstract: A mast includes a base section, an outer telescopic section and an inner telescopic section which are raised and lowered by a pair of main lift cylinders. A fork carriage is slidably mounted to the inner telescopic section and is raised and lowered thereon by a pair of free lift cylinders. The mast elements are arranged to form two mast columns which produce minimum obstruction to the truck operator's field of view when looking forward through the mast.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: July 26, 2011
    Assignee: The Raymond Corporation
    Inventors: Robert Lewis, John A. West
  • Publication number: 20110048860
    Abstract: A lift truck includes an operator compartment having a center operating position providing an operator with a first field of view and an off center operator position providing the operator with a second field of view. A pair of forks extend away from the operator compartment. Each of the forks include a distal end. A pair of base legs extend away from the operator compartment and space laterally outwardly from the pair of forks away from a central axis of the truck. Each of the base legs include a distal end. A pair of mast columns is interposed between the operator compartment and the forks. A portion of the first field of view is blocked by the mast columns and a portion of the second field of view is blocked by the mast columns. The distal ends of the forks and the distal ends of the base legs are visible in the first field of view and the second field of view.
    Type: Application
    Filed: November 8, 2010
    Publication date: March 3, 2011
    Inventors: Robert Lewis, John A. West
  • Publication number: 20080196976
    Abstract: A mast includes a base section, an outer telescopic section and an inner telescopic section which are raised and lowered by a pair of main lift cylinders. A fork carriage is slidably mounted to the inner telescopic section and is raised and lowered thereon by a pair of free lift cylinders. The mast elements are arranged to form two mast columns which produce minimum obstruction to the truck operator's field of view when looking forward through the mast.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 21, 2008
    Inventors: Robert Lewis, John A. West
  • Patent number: 7398859
    Abstract: A mast includes a base section, an outer telescopic section and an inner telescopic section which are raised and lowered by a pair of main lift cylinders. A fork carriage is slidably mounted to the inner telescopic section and is raised and lowered thereon by a pair of free lift cylinders. The mast elements are arranged to form two mast columns which produce minimum obstruction to the truck operator's field of view when looking forward through the mast.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: July 15, 2008
    Assignee: The Raymond Corporation
    Inventors: Robert Lewis, John A. West
  • Patent number: 7096999
    Abstract: A mast includes a base section, an outer telescopic section and an inner telescopic section which are raised and lowered by a pair of main lift cylinders. A fork carriage is slidably mounted to the inner telescopic section and is raised and lowered thereon by a pair of free lift cylinders. The mast elements are arranged to form two mast columns which produce minimum obstruction to the truck operator's field of view when looking forward through the mast.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: August 29, 2006
    Assignee: The Raymond Corporation
    Inventors: Robert Lewis, John A. West