IP Library Granted Patent US 8,926,444
Granted Patent B2
US 8,926,444 · App. 13/870,560 · Granted Jan 6, 2015

Golf club

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Quick Facts
Patent No.
US 8,926,444
App. No.
13/870,560
Granted
Jan 6, 2015
Kind
B2
Abstract

A golf club having a head disposed at a front end of a shaft and having a grip disposed at a back end of the shaft. The golf club includes a sensor section arranged on a grip-end edge of the grip and used for analyzing action of a golf swing.

Claims (14)

1. A golf club having a head disposed at a front end of a shaft and having a grip disposed at a back end of the shaft, the golf club comprising a sensor section arranged on a grip-end edge of the grip and used for analyzing action of a golf swing,

wherein the sensor section includes at least one of an angular velocity sensor, an acceleration sensor, and a magnetic sensor, and a sensor casing that houses the sensor,

wherein a pin capable of piercing the grip-end edge is disposed at one end surface of the sensor casing in a protruding manner, and

wherein a plurality of the pins are disposed in a protruding manner on an area surrounding a front-end bulged part formed on one end surface of the sensor casing.

2. The golf club according to claim 1 , wherein the total weight of the grip and the sensor section is not larger than 55 g.

3. The golf club according to claim 1 , wherein the weight of the sensor section is not larger than 15 g.

4. The golf club according to claim 1 , further comprising a temperature sensor.

5. The golf club according to claim 1 , wherein the sensor casing has a shape of a short cylinder arranged concentrically to an axial center of the shaft, and an outer diameter of the short cylinder is smaller than a diameter of the grip-end edge.

6. The golf club according to claim 1 , wherein the sensor casing is formed from a synthetic resin whose Rockwell hardness is R90 to 130.

7. The golf club according to claim 1 , wherein an engagement concavity for housing and fixing the front-end bulged part is formed at the grip-end edge.

8. A golf club having a head disposed at a front end of a shaft and having a grip disposed at a back end of the shaft, the golf club comprising a sensor section arranged on a grip-end edge of the grip and used for analyzing action of a golf swing,

wherein the sensor section includes a sensor casing that houses a sensor,

wherein a front-end bulged part is formed on one end surface of the sensor casing, and an engagement concavity for housing and fixing the front-end bulged part is formed at the grip-end edge,

wherein a pin capable of piercing the grip-end edge is disposed at the one end surface of the sensor casing in a protruding manner.

Assignments (2)
MERGER Recorded Apr 17, 2018
From: DUNLOP SPORTS CO. LTD.
To: SUMITOMO RUBBER INDUSTRIES, LTD.
Reel/Frame 045959/0204 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 21, 2013
From: KATO, MASATOSHI; UEDA, MASAHIKO
To: DUNLOP SPORTS CO. LTD.; SUMITOMO RUBBER INDUSTRIES, LTD.
Reel/Frame 030458/0715 →