Inner and outer thread tapping tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 19, 2011
app pub date -
Nov 16, 2009
filing date -
Nov 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A thread tapping tool includes a housing, an inner thread tapping device and an outer thread tapping device each having a gear wheel for changeably engaging into the housing, a lock device for detachably locking either of the gear wheels to the housing, and a switch device having a pivotal pawl for engaging with either of the gear wheels and for controlling the driving directions of the gear wheels by the housing, and for allowing the inner thread tapping device and the outer thread tapping device to selectively tap or form an inner thread in a work piece with a tapping mandrel or to selectively tap or form an outer thread in the shaft members or the other work pieces.
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