Water supply line tapping tool

Details Water supply line tapping tool Water supply line tapping tool

1997-10-30

1999-03-09

Pitts, Andrea L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axial, core-receiving central portion

137318, 408 72R, 408111, B23B 4102

Patent

active

058791124

ABSTRACT:
A new water supply line tapping tool for allowing plumbers to tap into a main water supply line. The inventive device includes a main shaft having a first end and a second end. The first end is adapted for coupling with a standard portable electric drill. The main shaft has a threaded hole therein disposed inwardly of the second end. The threaded hole receives a screw therein. The second end has an internally threaded receiving collar disposed thereon. A hole saw is coupled with the receiving collar on the second end of the main shaft. The hole saw has an arbor portion. The arbor portion has an internal end extending inwardly of the second end of the main shaft for being engaged by the screw extending within the threaded hole. A sleeve is slidably disposed on the main shaft for coupling with a saddle valve.

REFERENCES:
patent: 3870431 (1975-03-01), Luckenbill et al.
patent: 3922107 (1975-11-01), Fowler
patent: 3995655 (1976-12-01), Sands
patent: 4902174 (1990-02-01), Thompson et al.
patent: 5076311 (1991-12-01), Marschke
patent: 5286070 (1994-02-01), Williams
patent: 5659935 (1997-08-01), Lo-Pinto et al.

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