RECIPROCAL VIBRATION TYPE ELECTRIC ENGRAVING PEN
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United States of America Patent
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N/A
Issued Date -
Oct 17, 2024
app pub date -
Jul 3, 2023
filing date -
Jul 3, 2023
priority date (Note) -
Granted
status (Latency Note)
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Abstract
The present invention provides a reciprocal vibration type electric engraving pen driven by a main transmission shaft to operate. The engraving pen contains a rear shell assembled with a front shell. The rear shell positions the main transmission shaft. A top front of the driving shaft is assembled with an off-centered driving bead, and the front shell is assembled with a driven shaft. The engraving pen is characterized in that a rear end of the driven shaft is assembled radially with a driven pillar, and the driving shaft is formed integrally with a connection barrel.
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