Golf club, in particular golf putter

Abstract

A golf club with a club head attached to a shaft. The club head includes a wide front area, a narrower middle area, and a rear area. A straight line runs from the front area through the middle area to the rear area, extends perpendicular to the striking face of the front area viewed from the perspective of the user. A bore hole along the straight line in the middle area has, on a first plane, a first marking and has, on a second plane, a second marking visible to the user through the first opening, the second plane being farther from the eye of the user than the first plane. The second marking is visible to the eye of the user within the first marking when the club head is oriented in a certain way with respect to the eye of the user.

1 . Golf club, in particular golf putter, with a club head ( 10 ) which is attached to a shaft ( 18 ) and has a visual alignment aid, characterized in that the club head ( 10 ) comprises a wide front area ( 14 ) which forms the striking face ( 12 ) and which also has a bore hole ( 16 ) for receiving the shaft ( 18 ), as well as a narrower middle area ( 24 ) and a rear area ( 26 ), and in that a straight line ( 28 ) runs from the front area ( 14 ) through the middle area ( 24 ) to the rear area ( 26 ), which line ( 28 ) extends perpendicular ( 34 ) to the striking face ( 12 ) of the front area ( 14 ) viewed from the perspective of the user ( 22 ). 
     
     
         2 . Golf club according to  claim 1 , characterized in that a bore hole ( 40 ) along the straight line ( 28 ) in the middle area ( 24 ) has, on a first plane ( 44 ), a first marking ( 42 ) which is visible to the user in the form of a circumferential line such as a circular line and has, on a second plane ( 48 ), a second marking ( 46 ) which is visible to the user ( 22 ) through the first opening ( 40 ) in the form of a dot ( 46 ) or circular area, which second plane is farther from the eye of the user than the first plane, wherein the arrangement is carried out in such a way that the second marking ( 46 ) is visible in a certain way to the eye of the user within the first marking ( 42 ) when the club head ( 10 ) is oriented in a certain way with respect to the eye of the user ( 22 ) ( 200 ,  30 ). 
     
     
         3 . Golf club according to  claim 1 , characterized in that a notch or a plurality of notches ( 1040 ,  1140 ) along the straight line ( 28 ) in the middle area ( 24 ) has, on a first plane ( 44 ), a first marking ( 42 ) which is visible to the user in the form of a line or line segments extending perpendicular to the straight line ( 24 ) such as part of a centrally arranged cross or laterally arranged notches and has, on a second plane ( 48 ), a second marking ( 46 ) which is visible to the user ( 22 ) through the first opening ( 40 ) in the form of a centrally arranged cross ( 46 ) or lines or line segments parallel to the first line segments, which second plane is farther from the eye of the user than the first plane, wherein the arrangement is carried out in such a way that the second marking ( 46 ) is visible in a certain way to the eye of the user lateral to the first marking ( 42 ) when the club head ( 10 ) is oriented in a certain way with respect to the eye of the user ( 22 ) ( 200 ,  30 ). 
     
     
         4 . Golf club according to  claim 2 , characterized in that the first marking is a circular circumference ( 42 ) and the second marking is a circular circumference or circular area ( 46 ) with a smaller radius than the first marking. 
     
     
         5 . Golf club according to  claim 2 , characterized in that the first marking ( 142 ) is a rectangle with the addition of half-circles having a first, larger radius, while the second marking ( 146 ) is a circle with a second equal or smaller radius. 
     
     
         6 . Golf club according to  claim 3 , characterized in that the first marking ( 246 ) is a circular circumference with notches proceeding therefrom, these notches extending perpendicular to and parallel to the straight line ( 28 ) and forming a cross, and the second marking is a cross ( 246 ) with the same orientation as the first marking. 
     
     
         7 . Golf club according to one of  claims 1  to  6 , characterized in that the middle area ( 24 ) has a rectangular hollow profile whose outer surface serves as the plane for arranging the first marking ( 42 ,  142 ) and whose inner surface extending parallel to and at a distance from it serves to accommodate the second marking ( 46 ,  146 ). 
     
     
         8 . Golf club according to  claim 7 , characterized in that at least one of the two walls of the hollow profile which are perpendicular to the surfaces for the markings is cut out or transparent to light in order to illuminate the second marking ( 46 ,  146 ). 
     
     
         9 . Golf club according to  claim 1 , characterized in that a cut-off bore hole ( 1040 ) along the straight line ( 28 ) in the middle area ( 24 ) has, on a first plane ( 44 ), a first marking ( 42 ) which is visible to the user in the form of a circumferential line such as a half-circular line and has, on a second plane ( 48 ), a second marking ( 46 ) which is visible to the user ( 22 ) through the first, cut-off opening ( 1040 ) in the form of a dot ( 46 ) or circular area having lines which run through its center and which are parallel to and perpendicular to the straight line, which second plane is farther from the eye of the user than the first plane, wherein the arrangement is carried out in such a way that the second marking ( 46 ) is visible in a certain way to the eye of the user within the first marking ( 42 ) or as a continuation thereof when the club head ( 10 ) is oriented in a certain way with respect to the eye of the user ( 22 ) ( 200 ,  30 ). 
     
     
         10 . Golf club according to  claim 9 , characterized in that the first marking marks the edge of the cut-off opening and its cut area extending perpendicular to the straight line, and in that the second marking comprises lines which extend parallel to the perpendicular line lying on the second plane. 
     
     
         11 . Golf club according to  claim 1 , characterized in that notches are arranged ( 1140 ) laterally along the straight line ( 28 ) in the middle area ( 24 ) symmetrically with respect to the straight line and have, on a first plane ( 44 ), a first marking ( 42 ) which is visible to the user in the form of a peripheral line and have, on a second plane ( 48 ), a second marking ( 46 ) which is visible to the user ( 22 ) past the peripheral line in the form of two lines parallel to the straight line and dots or dashes arranged at the latter, which second plane is farther from the eye of the user than the first plane, wherein the arrangement is carried out in such a way that the second marking ( 46 ) is visible in a certain way to the eye of the user within or adjoining the first marking ( 42 ) when the club head ( 10 ) is oriented in a certain way with respect to the eye of the user ( 22 ) ( 200 ,  30 ). 
     
     
         12 . Golf club according to one of  claims 1  to  11 , characterized in that the rear area ( 26 ) has a receptacle for a weight insert ( 52 ). 
     
     
         13 . Golf club according to  claim 12 , characterized in that the weight insert ( 52 ) extends into the interior of the middle area ( 24 ). 
     
     
         14 . Golf club according to  claims 1  to  13 , characterized in that the side walls of the middle area ( 24 ) are formed by exchangeable weights ( 152 ,  252 ,  1152 ,  1252 ). 
     
     
         15 . Golf club according to  claim 14 , characterized in that two opposite side walls (e.g.,  1152 ,  152 ) are clamped to one another and to the rest of the parts of the head by means of clamping screw ( 54 ,  56 ). 
     
     
         16 . Golf club according to one of  claims 1  to  15 , characterized in that the head has the shape of an airplane when viewed from above. 
     
     
         17 . Golf club according to one of  claims 1  to  16 , characterized in that a plurality of pairs of markings extending perpendicular to the straight line ( 1128 ,  1328 ) are provided ( 1242 ,  1246 ,  1242 - 1 ,  1246 - 1 ,  1242 - 2 ,  1246 - 2 ) to adjust different angles of attack.