Tubeless tire valve stem inserter

A tool for inserting a tubeless tire valve stem having an enlarged base into the opening of a rim from the exterior of the rim, comprising a tubular barrel having an exit orifice defined by an end thereof, which end is adapted to mate with said opening, said tubular barrel including a loading section and a funnel-shaped exit section gradually decreasing in diameter from said loading section to said exit orifice, shaft means adapted to extend axially within said tubular barrel, including means for releasably connecting said shaft to said valve stem, and means for advancing said shaft axially within said tubular barrel to thereby advance said valve stem along said exit section and eject said base through said orifice into said opening, said means for advancing said shaft including a handle mechanism removably affixed to said loading section of said tubular barrel to permit the affixing of different size barrels to said handle mechanism for different standard size valve stems, a trigger pivotally mounted in said handle mechanism, said trigger being operatively connected to said shaft whereby said shaft is incrementally advanced upon each retraction of said trigger, and including index means on said shaft for indicating in cooperation with said handle mechanism the position at which said shaft has been advanced sufficiently to eject said base through said orifice and seat it in said opening for each of several diffrent standard length stems.