Patents by Inventor John R. McAfee

John R. McAfee 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).

  • Publication number: 20220193687
    Abstract: An apparatus for decompressing/pulverizing and fluffing up bales of compressed thermal insulation includes grinding wheel and a grinding die adjacent thereto thereby forming a gap therebetween. The grinding wheel is constructed with a plurality of plane members cut from flat steel material and stacked longitudinally about a rotatable shaft. The plane members each include a perimeter surface which together form the grinding wheel mantle surface and protrusions thereon. Coupling rods extend through aligned holes in the stacked plane members and retain the plane members in their stacked positions. The grinding die is constructed with a plurality of die plates cut from flat steel material and which are stacked longitudinally. The die plates each include an abutment surface which together form the grinding die surface and protrusions thereon. Coupling rods similarly extend through aligned holes in the stacked die plates and retain the die plates in their stacked positions.
    Type: Application
    Filed: December 22, 2020
    Publication date: June 23, 2022
    Applicant: Troyer Brothers, Inc.
    Inventors: Marcus C. Troyer, John R. McAfee
  • Publication number: 20160074261
    Abstract: A compact wheelchair lift mechanism utilizes a horizontal actuator to advance the vehicle doors outwardly away from the side of the vehicle together with a wheelchair user supported by a platform, and a vertical actuator which then lowers the platform with the wheelchair and user downwardly between the doors and vehicle. With the platform on the ground next to the vehicle, the user may then roll forward and away from the vehicle. The vehicle doors are also pivotably attached to the lift mechanism, such that a user may exit the vehicle by simply opening the vehicle door about its traditional door hinge, and therefore without powering the actuators. In this way, the wheel chair lift mechanism provides for safe and easy exit from the vehicle even if electrical power is lost, and facilitates use of the vehicle by both wheelchair-using drivers and drivers who do not use a wheelchair.
    Type: Application
    Filed: September 16, 2014
    Publication date: March 17, 2016
    Inventors: Richard J. Schoenian, John R. McAfee