Valve stem puller and valve stem core tool

Metal working – Means to assemble or disassemble – Valve applying or removing

Reexamination Certificate

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Reexamination Certificate

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06944924

ABSTRACT:
A tool for pulling a valve stem and removing the valve core of a Schrader-type pneumatic valve includes an elongate flexible shaft having opposite end portions and a handle affixed to one end portion and a valve-core engaging member including a threaded rear portion and an unthreaded forked front portion for cooperating with a flat member of a Schrader-type valve core for rotating the core to remove it from the valve. The threaded rear portion is threadable into interior threads of the valve when the core has been removed for allowing a user of the tool to pull the valve through a wheel rim opening. The front forked portion of the valve-core engaging member includes a recess formed therein for accommodating a plunger of a Schrader-type valve therein to allow the forked portion to be positioned over the plunger in the valve to provide for engagement of the cooperating forked portion of the valve core.

REFERENCES:
patent: 1308219 (1919-07-01), Brucker
patent: 2397334 (1946-03-01), Broecker
patent: 2415063 (1947-01-01), Hosking
patent: 2424802 (1947-07-01), Crowley
patent: 2475451 (1949-07-01), Gouirand
patent: 2709383 (1955-05-01), Davies
patent: 2772714 (1956-12-01), Hosking
patent: 2943665 (1960-07-01), Cincel
patent: 3100335 (1963-08-01), Lea
patent: 3154128 (1964-10-01), Keefe
patent: 2002/0170157 (2002-11-01), Detzel
Sarweshwari Engineers—Title: Tyre Valve Tools May 19, 2003.
Sarweshwari Engineers—Title: Cable Type Valve Finishing Tool May 22, 2003.
Any Patent Lawyers Here? May 19, 2003 “Let's Roll”.

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