Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
1999-03-25
2001-06-12
Chapman, Jeanette (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S301000, C473S409000, C427S380000, C029S458000
Reexamination Certificate
active
06244975
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an improved grip for handles that are subject to shock when such devices are impacted.
Applicant has previously developed resilient grips which successfully reduce shock to the muscle and arm joints of the users of golf clubs, tennis racquets, racquetball racquets, baseball bats and other impact imparting devices such as hammers. See for example U.S. Pat. No. 5,374,059 granted to applicant Dec. 20, 1994. Such earlier grips utilize a polyurethane layer bonded to a felt layer to define a strip which is spirally wrapped around the handle of a racquet or the like to conform to the external configuration of such handle. In such earlier grips of applicant's design, the thickness of the polyurethane layer relative to the thickness of the felt layer as compared to prior art resilient grips, i.e., the ratio of the thickness of the polyurethane layer to the thickness of the felt layer was a minimum of approximately 0.18 with the thickness ofthe polyurethane layer being about equal to or thicker than the thickness of the textile layer in a typical grip of my design. In certain of such grips, the handle-abutting side of the strip utilized skiving, with the felt layer tapering from the side edges of the strip. The side edges of the strip were overlapped as the strip was wrapped around the handle or over a resilient sleeve telescopically carried by the handle.
My previously developed resilient grips afforded important advantages over prior art grips. However, problems were sometimes encountered with unraveling of the strip from the handle or the sleeve after use. Additionally, interference with other golf grips could occur where one of the golf clubs is removed from a golf bag. Another problem common to polyurethane-felt golf club and tennis racquet grips is slippage of the grip when moisture accumulates thereon as from perspiration or rainy conditions. Such slippage results in diminished control of the golf club or tennis racquet. A further problem inherent to the use of grips of a color other than black is ugly staining of the grip after use.
SUMMARY OF THE INVENTION
Applicant has developed an improved water-resistant, unraveling-resistant golfclub or tennis racquet handle grip which inhibits the formation of moisture on the grip and thereby reduces any tendency of slippage between the grip and the user'hands. Such water resistant handle grip permits a golfer to continue playing even during rainy conditions and minimizes the slippage effect of perspiration build-up on the golf club or tennis racquet. Additionally, my improved grip prevents accumulation of stains and dirts all the time.
Unraveling of the grip is inhibited by forming recessed reinforcement edges on the sides of the polyurethane layer of the grip and skived sides on the felt layer of the grip. Such recessed reinforcement side edges also inhibit interference with other golf clubs when one of the clubs is removed from a golf bag.
These and other features and advantages of the present invention will become apparent from the following detailed description of a preferred embodiment which, taken in conjunction with the accompanying drawings, illustrates by way of example the principles of the invention.
REFERENCES:
patent: 2836420 (1958-05-01), Lamkin et al.
patent: 3582456 (1971-06-01), Stolki
patent: 4138518 (1979-02-01), Sammak et al.
patent: 4205112 (1980-05-01), Mervin
patent: 5026872 (1991-06-01), Kohli
patent: 5816934 (1998-10-01), Huang
Chapman Jeanette
Fulwider Patton Lee & Utecht LLP
Varma Sneh
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