Patents by Inventor Kenneth I. Robinson

Kenneth I. Robinson 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: 8235153
    Abstract: The motorized wheelbarrow has longitudinally extending frame members, which extend into handle portions. Resting height adjustment of the wheelbarrow is achieved with a pair of tubular legs cooperatively attached to a wheelbarrow support strut and a support strut brace. A wheel is secured proximate the front end of the wheelbarrow to mounting points on a wheel frame. An electric motor is attached to a front portion of the support frame members underneath a load rack or load bucket, depending on the barrow type. A battery is attached under the support frame proximate the motor. A drive mechanism consisting of a chain and sprocket is operably linked to a wheel sprocket and to the electric motor. A disk brake assembly having a disk rotor and caliper is disposed on the wheel and frame for engagement with the wheel and is operably engaged to a control mechanism for safe wheelbarrow stopping.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: August 7, 2012
    Inventors: Kenneth I. Robinson, Stephanie Dashiell Robinson
  • Publication number: 20090178864
    Abstract: The motorized wheelbarrow has longitudinally extending frame members, which extend into handle portions. Resting height adjustment of the wheelbarrow is achieved with a pair of tubular legs cooperatively attached to a wheelbarrow support strut and a support strut brace. A wheel is secured proximate the front end of the wheelbarrow to mounting points on a wheel frame. An electric motor is attached to a front portion of the support frame members underneath a load rack or load bucket, depending on the barrow type. A battery is attached under the support frame proximate the motor. A drive mechanism consisting of a chain and sprocket is operably linked to a wheel sprocket and to the electric motor. A disk brake assembly having a disk rotor and caliper is disposed on the wheel and frame for engagement with the wheel and is operably engaged to a control mechanism for safe wheelbarrow stopping.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Inventors: Kenneth I. Robinson, Stephanie Dashiell Robinson