Patents by Inventor Robert W. Rush, Jr.

Robert W. Rush, Jr. 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: 4857681
    Abstract: A control for an electrical tool, particulary of the garden tool type, comprises a housing containing an electrical switch having a projecting actuator and a handle assembly for switching the electrical switch from a deactivated condition to an activated condition by contact with the actuator. The handle assembly comprises an elongated handle projecting from the housing and pivotably attached to the housing by a pivot with one end of the handle adjacent to one side of the actuator. The handle assembly also includes an elongated trigger pivotably attached to the handle with an end projecting outside the housing and the other end adjacent to another side of the switch actuator. The handle further includes a spring biasing the handle and therefore the actuator towards the adjacent end of the trigger.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: August 15, 1989
    Assignee: Aircap Industries Corp.
    Inventors: Robert W. Rush, Jr., Michael K. Huizenga
  • Patent number: 4362004
    Abstract: A brake and clutch mechanism for a rotary type lawn mower or the like in which first friction element (25) carried by a rotor member (24) is rotatable with the working element or blade (14) and is resiliently urged by springs (26) into clutching engagement with a clutch member (27) rotated by the driving shaft (13) of the mower, and in which second friction elements (32) are resiliently urged radially outward by springs (36) into braking engagement with a braking surface (24A) of said rotor member (24).
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: December 7, 1982
    Assignee: MTD Products Inc.
    Inventors: Robert W. Rush, Jr., Paul R. Fortlage
  • Patent number: 4362228
    Abstract: A mounting (12) for the throttle lever (13) and the dead-man control lever (22) to the handle (11) of an appliance such as a lawn mower, and including a locking bolt (30) carried by a leaf spring (27) to interfere with the movement of the dead-man control lever (22) so as to insure against accidental or unintentional movement of the dead-man control from one position to another.
    Type: Grant
    Filed: October 22, 1980
    Date of Patent: December 7, 1982
    Assignee: MTD Products Inc.
    Inventors: Gerhard R. Plamper, Hartmut Kaesgen, Robert W. Rush, Jr.