Games using tangible projectile – Golf – Anchored projectile
Reexamination Certificate
1998-01-12
2001-07-03
Wong, Steven (Department: 3711)
Games using tangible projectile
Golf
Anchored projectile
C473S146000, C473S149000
Reexamination Certificate
active
06254491
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a golf practicing device and, more particularly, to an improved golf practicing device including a golf ball pivotally and rotatably connected to a sleeve which is rotatably connected with a light detecting means so as to send messages to an illustration member when the golf ball is hit.
2. Brief Description of the Prior Art
Some golf practicing devices, especially for those for practicing servicing, known to applicant are very simple and provide limited functions. Generally, the conventional golf practicing device has a golf ball connected to a rod which is then connected to a fixed member so that a golf practicer can hit the golf ball by using different types of golf clubs. The golf practicer can only know that the golf ball is hit or not when using such a golf practicing device, he/she cannot know how will the golf ball fly. In fact, when a golf ball is hit, the golf ball will self-rotate and produces at least two vectors in three dimensions. All of the above mentioned factors decide how the golf ball fly, but the conventional golf practicing device cannot provides these information so that the golf practicer could fail when servicing when he/she plays golf in court.
The present invention intends to provide an improved golf practicing device to mitigate and/or obviate the above-mentioned problems.
SUMMARY OF THE INVENTION
In one aspect of the present invention, there is provided a golf practicing device comprising a tube fixedly disposed to a supporting floor and having a detecting member disposed beside the tube. A sleeve is rotatably mounted to the tube and has a flange extending radially and outwardly therefrom which has a plurality of protrusions extending downwardly from a periphery of the flange so as to cooperate with the detecting member. A base member is attached to the sleeve and has a spherical cavity and a cone-shaped opening defined therein. The cone-shaped opening communicates with the spherical cavity.
A rod has a first end with a ball member which is rotatably received in the spherical cavity and the rod extends through the cone-shaped opening, and a second end having a golf ball disposed thereto.
An illustrative member is disposed to a top of the tube and electrically connected to the detecting member.
It is an object of the present invention to provide a golf practicing device which illustrates information how the golf ball flies.
It is another object of the present invention to provide a golf practicing device having a golf ball which is allowed to self-rotate.
Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 2510266 (1950-06-01), Taylor
patent: 3383921 (1968-05-01), Palmer
patent: 4023809 (1977-05-01), Newton
patent: 5178393 (1993-01-01), Dennesen
patent: 5255920 (1993-10-01), Mangeri et al.
patent: 5513847 (1996-05-01), Hu et al.
Pro-Techtor International
Wong Steven
LandOfFree
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