Electronic drill with revolving replaceable drilling heads
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United States of America Patent
Stats
-
May 30, 2017
Grant Date -
Jan 7, 2016
app pub date -
Mar 16, 2015
filing date -
Jul 3, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronic drill with revolving replaceable drilling heads includes a housing, a driving unit, a rotary cover, and a plurality of drill heads. The housing has an opening, a through hole, a containing room connected therebetween. A motor container is disposed within the containing room to contain a motor of the driving unit. The rotary cover is assembled to the housing and is rotatable so that the plurality of drill heads coupled to the rotary cover is moveable freely in a rotary track between the motor container and the housing. One of the drill heads may be rotated to be aligned with a rotary hole of a gear set driven by the motor and pushed forward for use. The drill head can also be retracted backward and replaced in the electronic drill by rotating the rotary cover, so that another drill head can be pushed outward for use.
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