Tools for reconditioning a valve seat in a tap
OwnerJean-Pierre Eckendorffinventor
Life of this patent
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Abstract
A tool kit for use in repairing a seat in a tap, the kit comprising an adaptor which can be mounted on a tap body, a guide member carried by the adaptor, tools each having a tool-carrier shaft or shank which can be rotatably mounted in the guide member, a means for driving a said shaft in rotation when mounted in the guide member, and a means for limiting the axial travel of the mounted tool, said adaptor having an end member forming a replica of the base portion of a tap head normally associated with said tap body, said end member having a screw-thread complementary to that of the body, and a support shoulder for bearing against the end face of said body.
Claims20
A tool assembly for use in repairing a seat of a tap, said tool assembly comprising an adaptor for mounting on a tap body to be repaired, said adaptor having a threaded end portion complementary to that of the tap body to be repaired and a support shoulder for axial bearing against an end face of the tap body, said adaptor having a central bore, a guide member in threaded engagement relative to said adaptor, said guide member having a central bore in alignment with said adaptor central bore, a tool shank having a cutting end and being receivable in said bores and guided radially without play along the axial length of said adaptor, means for securing said guide member at a selected axial position along said tool shank, rotatable mounting means mounting said tool shank relative to said guide member, thrust bearing means cooperating with said rotatable mounting means and said guide means for ensuring axial abutment without play of said tool shank in each of two axial directions of said tool shank relative to said guide member, whereby said guide member is operable to feed said tool shank for working on a tap seat while the cutting end of said tool shank is positively positioned relative to said adaptor at all times.
Dependencies are inferred from the claim text.