Shock resistant digging iron
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United States of America Patent
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-
Dec 25, 1984
Grant Date -
N/A
app pub date -
May 17, 1982
filing date -
May 17, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved digging iron for probing for buried high tension lines has for safety an insulative, non-wettable shaft of glaze-finish fibreglass which may additionally have a silicone rubber dielectric coating on it. The shaft has shouldered ends fitting sockets of the chisel shaped digging end and of a circular-section top section with the shoulders abutting the sockets and the ends bottoming in the sockets for support; the top section acts to reinforce the shaft for driving or as an integral hammer mass and serves as a balance for the digging end.
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