Hole making device
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United States of America Patent
Stats
-
Jan 20, 1998
Grant Date -
N/A
app pub date -
Apr 11, 1996
filing date -
Aug 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a hole making device which comprises a hole maintenance member having a rod portion, a needle member having a sharp tip and a recess for accommodating the rod portion of the hole maintenance member, a piercing mechanism for sticking the needle member accommodating the rod portion of the hole maintenance member through an object in which a hole is to be made, an extraction mechanism for receiving the needle member penetrating the object, and extracting the needle member through the object toward a direction to which the sharp tip of the needle member points so as to leave the hole maintenance member in the object, and an interlock mechanism for interlocking the piercing mechanism and the extraction mechanism.
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