Games using tangible projectile – Golf – Practice swingable implement or indicator associated with...
Reexamination Certificate
1999-08-06
2001-05-29
Passaniti, Sebastiano (Department: 3711)
Games using tangible projectile
Golf
Practice swingable implement or indicator associated with...
Reexamination Certificate
active
06238298
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to a golf accessory, and more particularly to an aiming device for a putter.
BACKGROUND OF THE INVENTION
The U.S. Pat. No. 5,494,290 discloses a golf putter handle which is provided with a laser member, a through hole, and a control button. The through hole is provided respectively in the inside thereof and in the outside thereof with a reflector under which a round reflector is disposed. The handle is provided with a battery. In operation, when the control button is pressed, an aiming line is projected on the head such that the aiming line is perpendicular to the ball striking surface of the head. Such an aiming device as described above must be purchased along with a golf putter and is rather expensive.
The U.S. Pat. No. 5,611,739 discloses a putter which is provided in a head thereof with an aiming device capable of emitting an aiming line perpendicular to the ball-striking surface. The aiming device is sold separately and can be detachably fastened with the putter. The drawback of the aiming device is that it is visible to a golfer using the putter. In addition, the aiming device gives an added weight to the putter head.
The U.S. Pat. No. 5,725,440 discloses a putter which is provided in the grip thereof with a cavity in which a laser pen is disposed. The putter shaft is provided in the bottom end thereof with a reflector capable of reflecting light at right angle so as to form an aiming line. The putter is expensive.
The U.S. Pat. No. 5,707,296 discloses a putter head which is provided at two ends thereof with a laser member. The two laser members emit two aiming lines parallel to each other. The putter is expensive and can not be used in a tournament.
The U.S. Pat. Nos. 5,464,221 and 5,464,222 disclose respectively a putter which is provided in the juncture of the head thereof and the shaft thereof with a laser member for emitting an aiming line. The putter is not cost-effective and is used for practice only. In addition, the aiming line emitted by the laser member is fuzzy.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a golf putter with an aiming device which can be fastened with the shaft or the grip of the golf putter for projecting a clear aiming line on the green.
It is another objective of the present invention to provide a golf putter with an aiming device which is relatively small in size.
In keeping with the principle of the present invention, the foregoing objectives of the present invention are attained by an aiming device comprising a holding member, a main body, a locating member, a laser member, a switch, and a power source. The device is fastened with the shaft or grip of a golf putter by the holding member. The main body is fastened pivotally with the holding member in conjunction with the locating member. The laser member is disposed in the main body and is capable of forming an aiming line on a projection surface. The laser member is provided with power by the power source which is located in the main body. The laser member is turned on or off by the switch.
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patent: 5611739 (1997-03-01), Carney
patent: 5692965 (1997-12-01), Nighan
patent: 5693041 (1997-12-01), Murphy-Chutorian
patent: 5707296 (1998-01-01), Hodgson et al.
patent: 5725440 (1998-03-01), Finney
patent: 5788588 (1998-08-01), Hooker
patent: 5897200 (1999-04-01), Ho
patent: 5964668 (1999-10-01), Tai
Browdy & Neimark
Passaniti Sebastiano
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