Games using tangible projectile – Golf – Tee
Reexamination Certificate
2000-06-29
2001-08-28
Wong, Steven (Department: 3711)
Games using tangible projectile
Golf
Tee
Reexamination Certificate
active
06280350
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a golf tee on which a golf ball is positioned.
2. Description of the Prior Art
As shown in
FIG. 1
, the conventional golf tee
10
comprises a head
25
having a golf ball positioning portion on which a golf ball is positioned and a shaft
35
. The shaft
35
is tapered from the head
25
towards one end thereof. The golf ball positioning portion is convex towards the shaft, and supports the golf ball when the golf ball
20
is positioned on the golf ball positioning portion
15
.
However, since the above-mentioned golf tee
10
has a circular head
25
, the contact area with the golf ball is large, and the indication direction of the golf ball cannot be known, and the direction of the golf ball can be changed due to the excessive friction of the head portion.
SUMMARY OF THE INVENTION
The present invention has been made to solve the above mentioned problem, and accordingly it is the object of the present invention to provide a golf tee in which an edge portion of a funnel-shaped golf tee head
25
is cut-off to have an elliptical shape and one side is recessed.
By the above-mentioned head portion of the golf tee, the friction with the golf tee is reduced, the golf tee has an indication portion by which the striking direction of the golf ball is indicated.
In a golf tee which has a funnel-shaped golf ball positioning portion on the upper surface of a head portion and a shaft connected to the head portion, the shaft being tapered from the head portion towards one end thereof, at least one recessed portion is formed in the peripheral portion of the golf ball positioning portion of the head portion.
The shaft has a quadrangular cross-section, and the central line of the quadrangular surface plane and the central line of the recessed portion is identical axially aligned.
REFERENCES:
patent: D. 393301 (1998-04-01), Koskela
patent: 4787637 (1988-11-01), Lima et al.
patent: 4951945 (1990-08-01), Gamble
patent: 5413330 (1995-05-01), Disco et al.
patent: 6062990 (2000-05-01), Pierce
patent: 6139449 (2000-10-01), Cardarelli
Birch & Stewart Kolasch & Birch, LLP
Ire Chemical Ltd.
Wong Steven
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