Tool for installation of tanged and tangless wire inserts

Details Tool for installation of tanged and tangless wire inserts Tool for installation of tanged and tangless wire inserts

1992-07-20

1993-05-25

Watson, Robert C.

Metal working

Means to assemble or disassemble

By rotation of work part

B23P 1904

Patent

active

052128652

ABSTRACT:
A multi-purpose tool for inserting tanged or tangless wire inserts in a pre-threaded hole. In the case of a tangless insert, the tool nose passes freely through the internal diameter of the insert until a tool pawl automatically engages a cut out formed in the tangless insert. Once the proper depth of the insert in the parent material has been achieved, the tool stops rotating and is reversed for proper disengagement, the installation being complete. In the case of a tanged insert, the nose of the tool does not pass freely through the insert due to the presence of the tang that is blocking its way. As the tool rotates through the internal diameter of the insert, a ledge formed on the nose portion of the tool forces the insert to wind itself in the threads of the parent material. The pawl used to install the tangless insert is positioned directly behind the nose of the tool and remains inoperable in the retracted position since the insert does not have a cut out provided for it. After proper depth of the insert has been achieved, the tool stops rotating and is reversed for proper disengagement.

REFERENCES:
patent: 3093895 (1963-06-01), Eddy
patent: 3348293 (1967-10-01), Newton et al.
patent: 4077101 (1978-03-01), Wallace
patent: 4227290 (1980-10-01), Wallace
patent: 4553302 (1985-11-01), Cosenza et al.

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