Adapter means for a valve reseating tool

Details Adapter means for a valve reseating tool Adapter means for a valve reseating tool

1979-01-17

1980-06-03

Godici, Nicholas P.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 1900

Patent

active

042054958

ABSTRACT:
The working elements of a gate valve are removed and a tool adapter is mounted on the valve body. The tool assembly is mounted on the adapter and includes an abrasive element mounted by a swivel joint which is rotatably driven. A first shaft is mounted in a housing element and is driven by an external power source. A pulley is mounted on the first shaft and, by a toothed belt, drives a second pulley. The second pulley rotates the swivel joint. The housing element extends through openings in the adapter and a base plate, the base plate being mounted on the adapter. The housing element is adjustable vertically relative to the base plate and is mounted for pivoting movement relative thereto to permit movement of the abrasive element into contact with a valve seating surface. The adapter has a configuration which mates with a portion of the valve body. The tool assembly includes a base plate which also mates with the adapter. Once the tool assembly is on the tool adapter, only a rotational movement of the tool assembly is required to properly locate the tool relative to the seating surface.

REFERENCES:
patent: 801350 (1905-10-01), Williams
patent: 1091918 (1914-03-01), Eynon
patent: 2460985 (1949-02-01), Jackson
patent: 2720736 (1955-10-01), McAfee
patent: 2842901 (1958-07-01), Ralys

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