Valve stem remover without losing charge12/29/2023 ![]() ![]() Story also teaches a tool for accomplishing the removal of the valve stem. 5,097,580, to Story, teaches an apparatus for installing and removing valve stems in which the valve inserter is piston-driven, i.e., uses a piston and rod, to force the valve stem into place. 4,807,343, to Wadsworth, teaches a tubeless tire valve stem inserter which has a handle activated installation mean which incrementally advances the installation rod in the same manner as a caulking gun. 4,765,048, to Hokanson, teaches a valve stem inserter which uses a combination of a tubular body having a tapered wall and a threaded shaft on the inserter which allows for the valve stem to be inserted using a screw for mechanical leverage. ![]() 4,528,735, to Eastridge, et al., teaches a tire tool for installing a valve stem in an opening provided in the wheel, but the handle is pivotably attached for movement once the stem is engaged in the rim, to facilitate holding the valve stem for inflation of the tire. The insertion rod is disclosed as having a bulbous handle at one end to facilitate the insertion. 3,750,258, to Sampo, teaches a push rod slideably mounted in a body sleeve which has a tapered internal wall so that the rod can be pushed with a minimum of force to compress the bulbous end of the stem until it discharges into the hole of the rim. Some of these devices have been fairly simply, while a number of have used complex or cumbersome power assists to perform the installation. This avoids the common practice of removing the tire for replacement of a faulty valve stem.
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