Patents by Inventor John Nakashima

John Nakashima 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: 20070117645
    Abstract: A golf club kit having selectively interchangeable heads and shafts. The upper face of a club head is provided with hosel having a recessed sleeve with an open ends. A receiver, having a bore provided with spline grooves, is secured within the sleeve. A recessed screw port, axially aligned with the bore and the sleeve, is provided in the head's lower face. A club shaft includes a hosel connector on its lower end. The connector has a lower portion provided with external splines and an internally threaded bore, and an upper portion with a circumferential flange. The hosel connector of a selected shaft is inserted into the receiver of a selected club. A screw is passed upwardly through the screw port and is threadably installed within the bore of the hosel connector. The hosel connector flange is compressed securely against the upper end of the receiver.
    Type: Application
    Filed: November 10, 2006
    Publication date: May 24, 2007
    Inventor: John Nakashima