Tennis ball rejuvenator and maintainer

Details Tennis ball rejuvenator and maintainer Tennis ball rejuvenator and maintainer

1977-09-29

1978-07-18

Lipman, Steven E.

Special receptacle or package

For a sport implement, exercise device, or game

For a golf club

220240, 220327, 220358, B65D 8516

Patent

active

041010299

ABSTRACT:
A pressure vessel for storing tennis balls includes a cylindrical open topped receptacle having in its inside upper border a peripheral groove separably engaging an elastomeric O-ring gasket provided with a finger removal tab. A vertical coaxial post is anchored to the receptacle base and axially movably supports for movement between limited raised and depressed positions a coupling member which is spring urged to raised position and releasably locked in its depressed position. A dished cover is coaxially separably connected to the coupling member and has an outwardly downwardly inclined peripheral lip engaging the O-ring when the cover is in raised position to effect an air tight seal. Mounted on the receptacle peripheral wall and communicating with the interior thereof are a pressure gauge, a pressure release and safety valve and a pressurizing check valve.

REFERENCES:
patent: 2355108 (1944-08-01), Reese
patent: 2499614 (1950-03-01), Thornhill
patent: 3173265 (1965-03-01), Bixby
patent: 3235121 (1966-02-01), Hexel
patent: 3415357 (1968-12-01), VanNatter
patent: 3853222 (1974-12-01), Helms
patent: 3889807 (1975-06-01), Feinberg et al.

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