Reciprocal vibration type electric engraving pen
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 26, 2024
Grant Date -
Oct 17, 2024
app pub date -
Jul 3, 2023
filing date -
Jul 3, 2023
priority date (Note) -
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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. Accordingly, when the main transmission shaft drives the driving shaft to rotate, the driving bead revolves on a circular track simultaneously. When the driving bead revolves by one turn, the driven pillar is hit twice and vibrates double times. Furthermore, the driven shaft can rotate clockwise and counterclockwise, and the lifetime is extended.
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