Patents by Inventor King K. Lok

King K. Lok 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).

  • Encapsulated armature for electric motor
    Patent number: 4983866
    Abstract: The armature has windings supported by a core mounted on a shaft. The windings and the wires connecting the windings to a commutator are encapsulated in an insert-molded body of plastic, typically nylon. A ring having radially inwardly extending arms (33) equal in number to the number of commutator slots is mounted on the commutator. The arms are lcoated in respective slots between the commutator segments and are stiff enough to block flow of plastic material along the slots during insert molding of the body of plastic.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: January 8, 1991
    Assignee: Johnson Electric S.A.
    Inventor: King K. Lok