Games using tangible projectile – Playing field or court game; game element or accessory... – Means removably supporting projectile in position to be...
Reexamination Certificate
2007-10-16
2007-10-16
Aryanpour, Mitra (Department: 3711)
Games using tangible projectile
Playing field or court game; game element or accessory...
Means removably supporting projectile in position to be...
C473S422000, C473S451000
Reexamination Certificate
active
11266752
ABSTRACT:
An improved height adjustment mechanism for a batting tee uses an adjustment screw that attaches a compressible washer assembly to the bottom of an inner telescoping member to spread a compressible washer, thereby increasing the diameter of the compressible washer assembly and consequently adjusting internal friction between the washer assembly and the inner surface of an outer telescoping member to a desired amount necessary to hold the inner telescoping member stationary within the external telescoping member while the tee is being used while still allowing manual height adjustment of the batting tee as may be desired by the batter.
REFERENCES:
patent: 6358163 (2002-03-01), Tanner
patent: 6398671 (2002-06-01), Rios
patent: 6682445 (2004-01-01), Tanner
patent: 6893363 (2005-05-01), Chen et al.
Aryanpour Mitra
Cesarano Michael C.
Feldman Gale P. A.
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