Patents by Inventor Konrad Lenhof

Konrad Lenhof 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: 7017252
    Abstract: A method and apparatus for assembling a shaft to a golf club head is disclosed. The club head is positioned in a club head alignment device of the apparatus, which further includes a holding device and a press device with a jaw mechanism. A ferrule and a sleeve are placed on the tip end of the shaft, and the butt end is inserted into the holding device. The tip end of the shaft and the sleeve are inserted into a tapered bore in the hosel of the club head. The jaw mechanism of the press device is then enclosed around the shaft, and the press device is operated to force the sleeve further into the tapered hosel bore. The club head and partially attached shaft are then removed from the apparatus, and the ferrule is secured to the hosel to completely attach the shaft.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: March 28, 2006
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Patent number: 7012224
    Abstract: An apparatus (20) and method for heating golf clubs (30) during assembly is disclosed herein. The apparatus (20) preferably includes a frame (22), a club retention mechanism (24), a rotating mechanism 26 and a heating mechanism 28. The apparatus (20) is utilized to heat an adhesive to bond a shaft (34) to a golf club head (32).
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: March 14, 2006
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke, Giocchino S. Glorioso, Alan Bettencourt
  • Patent number: 6981922
    Abstract: The golf club (20) of the present invention includes a shaft (22), a club head (24) and an attachment assembly (30), which allows for an essentially adhesive free connection between the shaft (22) and the club head (24). In one embodiment, the attachment assembly (30) includes a screw (34) and a shaft ring (32). The shaft ring (32) is welded to the interior wall (40) of the shaft (22) near the tip end (41). Another embodiment of the attachment assembly (30) includes a locking sleeve (50).
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: January 3, 2006
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Patent number: 6966847
    Abstract: The golf club (20) of the present invention includes a shaft (22), a club head (24) and an attachment assembly (30), which allows for an essentially adhesive free connection between the shaft (22) and the club head (24). In one embodiment, the attachment assembly (30) includes a screw (34) and a shaft ring (32). The shaft ring (32) is welded to the interior wall (40) of the shaft (22) near the tip end (41). Another embodiment of the attachment assembly (30) includes a locking sleeve (50).
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: November 22, 2005
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Publication number: 20050227779
    Abstract: The golf club (20) of the present invention includes a shaft (22), a club head (24) and an attachment assembly (30), which allows for an essentially adhesive free connection between the shaft (22) and the club head (24). In one embodiment, the attachment assembly (30) includes a screw (34) and a shaft ring (32). The shaft ring (32) is welded to the interior wall (40) of the shaft (22) near the tip end (41). Another embodiment of the attachment assembly (30) includes a locking sleeve (50).
    Type: Application
    Filed: June 16, 2005
    Publication date: October 13, 2005
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Konrad Lenhof, Jerry Blanke
  • Publication number: 20050101405
    Abstract: The golf club (20) of the present invention includes a shaft (22), a club head (24) and an attachment assembly (30), which allows for an essentially adhesive free connection between the shaft (22) and the club head (24). In one embodiment, the attachment assembly (30) includes a screw (34) and a shaft ring (32). The shaft ring (32) is welded to the interior wall (40) of the shaft (22) near the tip end (41). Another embodiment of the attachment assembly (30) includes a locking sleeve (50).
    Type: Application
    Filed: May 17, 2004
    Publication date: May 12, 2005
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Konrad Lenhof, Jerry Blanke
  • Patent number: 6797106
    Abstract: The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a mechanism for holding a shaft for attachment to the golf club head. The present invention allows for greater efficiency in the amount of adhesive material that is used to attach the shaft to the golf club head, and reduces the assembly time.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: September 28, 2004
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke, Paul D. Zanolli
  • Publication number: 20040143955
    Abstract: A method and apparatus for assembling a shaft to a golf club head is disclosed. The club head is positioned in a club head alignment device of the apparatus, which further includes a holding device and a press device with a jaw mechanism. A ferrule and a sleeve are placed on the tip end of the shaft, and the butt end is inserted into the holding device. The tip end of the shaft and the sleeve are inserted into a tapered bore in the hosel of the club head. The jaw mechanism of the press device is then enclosed around the shaft, and the press device is operated to force the sleeve further into the tapered hosel bore. The club head and partially attached shaft are then removed from the apparatus, and the ferrule is secured to the hosel to completely attach the shaft.
    Type: Application
    Filed: November 21, 2003
    Publication date: July 29, 2004
    Applicant: CALLAWAY GOLF COMPANY
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Patent number: 6652388
    Abstract: A method and apparatus for assembling a shaft to a golf club head is disclosed. The club head is positioned in a club head alignment device of the apparatus, which further includes a holding device and a press device with a jaw mechanism. A ferrule and a sleeve are placed on the tip end of the shaft, and the butt end is inserted into the holding device. The tip end of the shaft and the sleeve are inserted into a tapered bore in the hosel of the club head. The jaw mechanism of the press device is then enclosed around the shaft, and the press device is operated to force the sleeve further into the tapered hosel bore. The club head and partially attached shaft are then removed from the apparatus, and the ferrule is secured to the hosel to completely attach the shaft.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: November 25, 2003
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Publication number: 20030079831
    Abstract: The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a mechanism for holding a shaft for attachment to the golf club head. The present invention allows for greater efficiency in the amount of adhesive material that is used to attach the shaft to the golf club head, and reduces the assembly time.
    Type: Application
    Filed: January 10, 2003
    Publication date: May 1, 2003
    Applicant: Callaway Golf Company
    Inventors: Konrad Lenhof , Jerry V. Blanke , Paul D. Zanolli
  • Patent number: 6508288
    Abstract: The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a rotating mechanism for holding and rotating a shaft for attachment to the golf club head. The present invention allows for greater efficiency in the amount of adhesive material that is used to attach the shaft to the golf club head, and reduces the assembly time.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: January 21, 2003
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke, Paul D. Zanolli
  • Publication number: 20020112818
    Abstract: The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a rotating mechanism for holding and rotating a shaft for attachment to the golf club head. The present invention allows for greater efficiency in the amount of adhesive material that is used to attach the shaft to the golf club head, and reduces the assembly time.
    Type: Application
    Filed: September 24, 2001
    Publication date: August 22, 2002
    Inventors: Konrad Lenhof, Jerry V. Blanke, Paul D. Zanolli
  • Patent number: 6332945
    Abstract: The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a rotating mechanism for holding and rotating a shaft for attachment to the golf club head. The present invention allows for greater efficiency in the amount of adhesive material that is used to attach the shaft to the golf club head, and reduces the assembly time.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: December 25, 2001
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke, Paul D. Zanolli
  • Patent number: 6279637
    Abstract: An automated apparatus for installation of a handgrip on a golf club shaft is disclosed herein. The handgrip is installed on the golf club shaft in a dry state. The present invention does not utilize solvents, lubricants or the like for the installation of the handgrip onto the golf club shaft. The apparatus has a taping mechanism for automatically wrapping a double-sided tape onto the butt end of the golf club shaft. The apparatus also has a gripping mechanism for preparing a grip for automated installation on a shaft while in a dry state. The apparatus also has a shaft shuttle mechanism for transferring the golf club shaft from the taping mechanism to the gripping mechanism. The gripping mechanism has means for expanding the handgrip prior to placement on the butt end of the golf club shaft.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: August 28, 2001
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Patent number: 6245178
    Abstract: An automated process and apparatus for installation of a handgrip on a golf club shaft is disclosed herein. The handgrip is installed on the golf club shaft in a dry state. The present invention does not utilize solvents, lubricants or the like for the installation of the handgrip onto the golf club shaft. The apparatus has a taping mechanism for automatically wrapping a double-sided tape onto the butt end of the golf club shaft. The apparatus also has a gripping mechanism for preparing a grip for automated installation on a shaft while in a dry state. The apparatus also has a shaft shuttle mechanism for transferring the golf club shaft from the taping mechanism to the gripping mechanism. The gripping mechanism has means for expanding the handgrip prior to placement on the butt end of the golf club shaft.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: June 12, 2001
    Assignee: Callaway Golf Company
    Inventors: Konrad Lenhof, Jerry V. Blanke
  • Publication number: 20010000780
    Abstract: An automated apparatus for installation of a handgrip on a golf club shaft is disclosed herein. The handgrip is installed on the golf club shaft in a dry state. The present invention does not utilize solvents, lubricants or the like for the installation of the handgrip onto the golf club shaft. The apparatus has a taping mechanism for automatically wrapping a double-sided tape onto the butt end of the golf club shaft. The apparatus also has a gripping mechanism for preparing a grip for automated installation on a shaft while in a dry state. The apparatus also has a shaft shuttle mechanism for transferring the golf club shaft from the taping mechanism to the gripping mechanism. The gripping mechanism has means for expanding the handgrip prior to placement on the butt end of the golf club shaft.
    Type: Application
    Filed: December 29, 2000
    Publication date: May 3, 2001
    Inventors: Konrad Lenhof, Jerry V. Blanke