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).
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Patent number: 8257193Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: GrantFiled: August 23, 2011Date of Patent: September 4, 2012Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall, Jr.
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Patent number: 8235840Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: GrantFiled: August 26, 2011Date of Patent: August 7, 2012Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall, Jr.
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Publication number: 20120064990Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: November 18, 2011Publication date: March 15, 2012Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Patent number: 8096895Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: GrantFiled: July 19, 2011Date of Patent: January 17, 2012Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall
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Publication number: 20110312434Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: August 26, 2011Publication date: December 22, 2011Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Publication number: 20110306437Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: August 23, 2011Publication date: December 15, 2011Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Publication number: 20110275449Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: July 19, 2011Publication date: November 10, 2011Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Patent number: 8002644Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: GrantFiled: January 25, 2011Date of Patent: August 23, 2011Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson, Broadus Perry Wall
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Publication number: 20110118047Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: January 25, 2011Publication date: May 19, 2011Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Publication number: 20100120551Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: January 22, 2010Publication date: May 13, 2010Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Patent number: 7491915Abstract: A heating apparatus (20) and method for heating golf clubs (30) during assembly is disclosed herein. The heating apparatus (20) preferably includes a frame (22), a club retention mechanism (24), a rotating mechanism (26) and a heating mechanism (28). The heating apparatus (20) is used to cure an adhesive to bond a shaft (34) to a golf club head (32).Type: GrantFiled: June 30, 2006Date of Patent: February 17, 2009Assignee: Callaway Golf CompanyInventors: Konrad Lenhof, Jerry V. Blanke, Giocchino S. Glorioso, Alan Bettencourt
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Publication number: 20080280694Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: October 30, 2007Publication date: November 13, 2008Applicant: CALLAWAY GOLF COMPANYInventors: ALAN HOCKNELL, MATTHEW T. CACKETT, DENVER HOLT, D. CLAYTON EVANS, DANIEL M. STEVENS, JAMES C. WENCK, STEVEN S. OGG, KONRAD LENHOF, JERRY V. BLANKE, JOEL B. ERICKSON, BROADUS PERRY WALL
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Patent number: 7354353Abstract: A method (500) for fitting a golf club to a golfer is disclosed herein. The method includes having a golfer hit a test golf club. If the test golf club is preferred, a final golf club is formed that matches the test golf club. Preferably, the final golf club matches the following parameters of the test golf club: volume, mass, mass location, inertial values, center of gravity location, club frequency, orientation, material composition and shape. In a preferred embodiment, a test golf club with an interchangeable shaft is utilized with the method.Type: GrantFiled: August 16, 2006Date of Patent: April 8, 2008Assignee: Callaway Golf CompanyInventors: Alan Hocknell, Matthew T. Cackett, Denver Holt, D. Clayton Evans, Daniel M. Stevens, James C. Wenck, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson
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Publication number: 20070004528Abstract: A method (500) for fitting a golf club to a golfer is disclosed herein. The method includes having a golfer hit a test golf club. If the test golf club is preferred, a final golf club is formed that matches the test golf club. Preferably, the final golf club matches the following parameters of the test golf club: volume, mass, mass location, inertial values, center of gravity location, club frequency, orientation, material composition and shape. In a preferred embodiment, a test golf club with an interchangeable shaft is utilized with the method.Type: ApplicationFiled: August 16, 2006Publication date: January 4, 2007Inventors: Alan Hocknell, Matthew Cackett, Denver Holt, D. Evans, Daniel Stevens, James Wenck, Steven Ogg, Konrad Lenhof, Jerry Blanke, Joel Erickson
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Publication number: 20060287125Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: July 31, 2006Publication date: December 21, 2006Inventors: Alan Hocknell, Matthew Cackett, Denver Holt, D. Evans, Daniel Stevens, James Wenck, Steven Ogg, Konrad Lenhof, Jerry Blanke, Joel Erickson, Broadus Wall
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Publication number: 20060237414Abstract: A heating apparatus (20) and method for heating golf clubs (30) during assembly is disclosed herein. The heating apparatus (20) preferably includes a frame (22), a club retention mechanism (24), a rotating mechanism (26) and a heating mechanism (28). The heating apparatus (20) is used to cure an adhesive to bond a shaft (34) to a golf club head (32).Type: ApplicationFiled: June 30, 2006Publication date: October 26, 2006Inventors: Konrad Lenhof, Jerry Blanke, Giocchino Glorioso, Alan Bettencourt
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Patent number: 7083529Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: GrantFiled: November 17, 2004Date of Patent: August 1, 2006Assignee: Callaway Golf CompanyInventors: Matthew T. Cackett, Alan Hocknell, Steven S. Ogg, Konrad Lenhof, Jerry V. Blanke, Joel B. Erickson
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Patent number: 7071450Abstract: A heating apparatus (20) and method for heating golf clubs (30) during assembly is disclosed herein. The heating apparatus (20) preferably includes a frame (22), a club retention mechanism (24), a rotating mechanism (26) and a heating mechanism (28). The heating apparatus (20) is used to cure an adhesive to bond a shaft (34) to a golf club head (32).Type: GrantFiled: October 19, 2004Date of Patent: July 4, 2006Assignee: Callaway Golf CompanyInventors: Konrad Lenhof, Jerry V. Blanke, Gioacchino S. Glorioso, Alan Bettencourt
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Publication number: 20060105855Abstract: A golf club (20) having a club head (22) with an interchangeable shaft (40) is disclosed herein. The golf club (20) includes a tube (44, 144) mounted in the club head (22), and a sleeve (46, 146) mounted on a tip end (50) of the shaft (40). The tube (44, 144) includes a tapered portion (60, 160) and a rotation prevention portion (62, 162). The sleeve (46, 146) has a frustoconical portion (72, 172) and a keyed portion (74, 174) that are respectively received in the tapered portion (60, 160) and the rotation prevention portion (62, 162) of the tube (44, 144). The golf club (20) further includes a mechanical fastener (48, 148) for removably securing the shaft (40) to the club head (22).Type: ApplicationFiled: November 17, 2004Publication date: May 18, 2006Applicant: CALLAWAY GOLFInventors: Matthew Cackett, Alan Hocknell, Steven Ogg, Konrad Lenhof, Jerry Blanke, Joel Erickson
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Publication number: 20060081611Abstract: A heating apparatus (20) and method for heating golf clubs (30) during assembly is disclosed herein. The heating apparatus (20) preferably includes a frame (22), a club retention mechanism (24), a rotating mechanism (26) and a heating mechanism (28). The heating apparatus (20) is used to cure an adhesive to bond a shaft (34) to a golf club head (32).Type: ApplicationFiled: October 19, 2004Publication date: April 20, 2006Applicant: CALLAWAY GOLF COMPANYInventors: Konrad Lenhof, Jerry Blanke, Giocchino Glorioso, Alan Bettencourt