Golf club and golf club insert

Abstract

A golf club includes: a shaft formed in a shaft shape; a head being provided at a first end portion side of the shaft and including a striking surface that strikes a golf ball; a grip being provided at a second end portion side of the shaft and being gripped by a user; and an impact-vibration/impact-sound emphasizing mechanism that emphasizes impact vibration or impact sound generated when the striking surface strikes the golf ball and transmits the emphasized impact vibration or emphasized impact sound to the user.

What is claimed is: 
     
         1 . A golf club comprising
 a shaft formed in a shaft shape;   a head being provided at a first end portion side of the shaft and including a striking surface that strikes a golf ball;   a grip being provided at a second end portion side of the shaft and being gripped by a user;   a hosel that connects the first end portion of the shaft to the head, and that is integrally formed with the head and the shaft in an unreplaceable state; and   an impact-vibration/impact-sound emphasizing mechanism that emphasizes impact vibration or impact sound generated when the striking surface strikes the golf ball and transmits the emphasized impact vibration or emphasized impact sound to the user, wherein   the impact-vibration/impact-sound emphasizing mechanism comprises a diaphragm member that is attached to the hosel and that emphasizes the impact vibration generated when the golf ball is hit.   
     
     
         2 . The golf club according to  claim 1 , wherein
 the diaphragm member is attached to both the head and the hosel.   
     
     
         3 . The golf club according to  claim 1 , wherein
 the impact-vibration/impact-sound emphasizing mechanism further comprises an auxiliary diaphragm member that is attached to at least one of the head and the hosel and that emphasizes the impact vibration generated when the golf ball is hit in addition to the diaphragm member.   
     
     
         4 . The golf club according to  claim 1 , wherein
 the hosel includes a frame structure that surrounds a circumference portion of the diaphragm member.   
     
     
         5 . The golf club according to  claim 1 , wherein
 the diaphragm member is integrally formed with the hosel in an unreplaceable state.   
     
     
         6 . The golf club according to  claim 2 , wherein
 the head and the hosel include a frame structure that surrounds a circumference portion of the diaphragm member.   
     
     
         7 . The golf club according to  claim 1 , wherein
 the hosel comprises a vibration sensor that detects vibration generated on the strike surface inside thereof, and the grip comprises one of a vibrating device that vibrates and a speaker that emits sound based on the information of detected by the vibration sensor inside thereof, the vibration sensor and the one of the vibration device and the speaker serving as the impact-vibration/impact-sound emphasizing mechanism.   
     
     
         8 . A golf club comprising:
 a shaft formed in a shaft shape;   a head being provided at a first end portion side of the shaft and including a striking surface that strikes a golf ball;   a grip being provided at a second end portion side of the shaft and being gripped by a user;   a hosel that connects the first end portion of the shaft to the head; and   an impact-vibration/impact-sound emphasizing mechanism being provided inside the golf club, that emphasizes impact vibration or impact sound generated when the striking surface strikes the golf ball and transmits the emphasized impact vibration or emphasized impact sound to the user, wherein   the impact-vibration/impact-sound emphasizing mechanism comprises
 a vibration transmitting member formed in an elongated shape, including a first end being fixed to the head and transmitting vibration generated at the striking surface to the grip, and 
 an installing member connecting a second end portion of the vibration transmitting member to the grip, 
 the installing member is provided such that the position thereof is adjustable in an extending direction of the grip, and 
   the installing member comprises
 a winding device that winds the second end portion of the vibration transmitting member manually or electrically, and 
 a pinion that meshes with a rack and that is rotatably wound by the winding device. 
   
     
     
         9 . The golf club according to  claim 8 , wherein
 the hosel comprises a first cavity formed in a hollow inside thereof,   the shaft comprises a second cavity formed in a hollow communicating with the first cavity inside thereof,   the grip comprises a third cavity formed in a hollow communicating with the second cavity inside thereof,   the vibration transmitting member is incorporated in the second cavity and the third cavity,   the installing member is provided inside the third cavity, and   the rack is fixed to an inner circumference surface of the third cavity.   
     
     
         10 . The golf club according to  claim 8 , wherein
 the hosel comprises a vibration sensor that detects vibration generated on the strike surface inside thereof, and the grip comprises one of a vibrating device that vibrates and a speaker that emits sound based on the information of detected by the vibration sensor inside thereof, the vibration sensor and the one of the vibration device and the speaker serving as the impact-vibration/impact-sound emphasizing mechanism.   
     
     
         11 . The golf club according to  claim 8 , further comprising a fin or a plate-shaped member between the head and the hosel, wherein
 the fin or the plate-shaped member is formed by a plate-like member and is fixed so as to connect the head to the hosel in a direction substantially parallel to the striking surface.   
     
     
         12 . The golf club according to  claim 8 , wherein
 the installing member is formed of one of a wire, a string, a rod member, and a linear elastic member.   
     
     
         13 . The golf club according to  claim 8 , wherein
 the vibration transmitting member comprises a mass member that amplifies the vibration.   
     
     
         14 . The golf club according to  claim 9 , wherein
 the head comprises a fourth cavity formed in a hollow communicating with the first cavity inside thereof, wherein   the impact-vibration/impact-sound emphasizing mechanism comprises an auxiliary vibration transmitting member that is provided inside the fourth cavity and transmits vibration generated on the striking surface to the vibration transmitting member.   
     
     
         15 . The golf club according to  claim 8 , wherein
 the vibration transmitting member contains magnetic material,   a first pickup is further provided as the impact-vibration/impact-sound emphasizing mechanism near the vibration transmitting member, the first pickup detecting vibration transmitted by the vibration transmitting member and electrically converting the detected vibration; and   a first amplifier is further provided as the impact-vibration/impact-sound emphasizing mechanism inside or outside of the golf club, the first amplifier amplifying an electric signal detected in the first pickup.   
     
     
         16 . The golf club according to  claim 8 , wherein
 the impact-vibration and impact-sound emphasizing mechanism comprises   a vibration sensor that is installed to the head and that detects vibration generated on the striking surface; and   an actuator that vibrates on the basis of an electric signal outputted from the vibration sensor, and transmits the vibration of the actuator to the user via the vibration transmitting member.   
     
     
         17 . The golf club according to  claim 9 , further comprising
 the hosel further comprises an opening that serves as the impact-vibration/impact-sound emphasizing mechanism, causes an inner space of the first cavity to communicate with an outside, and transmits reverberation sound in the hosel to the outside of the hosel; wherein   the first cavity is configured as a resonance mechanism that emphasizes the impact sound generated in the first cavity when the golf ball is hit and transmits the emphasized impact sound from the opening to an outside.   
     
     
         18 . The golf club according to  claim 14 , further comprising
 a second pickup that serves as the impact-vibration/impact-sound emphasizing mechanism, detects vibration transmitted by the auxiliary vibration transmitting member, converts the detected vibration into an electric signal, and is provided close to the auxiliary vibration transmitting member.   
     
     
         19 . A golf club comprising:
 a head including a striking surface that strikes a golf ball;   a shaft formed in a shaft shape;   a hosel that connects a first end portion of the shaft to the head;   a grip being provided at a second end portion of the shaft and being gripped by a user; and   a fin or a plate-shaped member between the head and the hosel, wherein   the fin or the plate-shaped member is formed by a plate-like member and is fixed so as to connect the head to the hosel in a direction substantially parallel to the striking surface.   
     
     
         20 . The golf club according to  claim 19 , wherein further comprising an illuminating member arranged in a planar shape or a chain shape on a top surface of the fin or the plate-shaped member. 
     
     
         21 . The golf club according to  claim 19 , wherein
 the fin or the plate-shaped member is erected on an upper surface of the head.   
     
     
         22 . The golf club according to  claim 19 , further comprising
 a plurality of the fins or plate-shaped members.   
     
     
         23 . The golf club according to  claim 19 , wherein
 the hosel comprises a vibration sensor that detects vibration generated on the strike surface inside thereof, and the grip comprises one of a vibrating device that vibrates and a speaker that emits sound based on the information of detected by the vibration sensor inside thereof, the vibration sensor and the one of the vibration device and the speaker serving as the impact-vibration/impact-sound emphasizing mechanism.