SCREWDRIVER BIT DEVICE WITH A MAGNETIC STRUCTURE
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United States of America Patent
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Issued Date -
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app pub date -
Nov 2, 2015
filing date -
Nov 2, 2015
priority date (Note) -
Abandoned
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Abstract
A screwdriver bit device with a magnetic structure includes a screwdriver bit made of metal and including a shank having an insertion end on a front end thereof. The shank further includes an annular groove behind the insertion end. A sleeve is integrally made of plastic and includes an outer annular wall and a coupling portion surrounded by the outer annular wall. The coupling portion includes a hole through which the shank extends. The coupling portion of the sleeve further includes a flexible wall delimiting the hole and having a coupling section extending radially inwards. The coupling section is engaged in the annular groove of the screwdriver bit and slideable between front and rear stop faces of the annular groove. A magnetic ring is mounted to an inner side of a front end of the sleeve. The screwdriver bit extends through a through-hole of the magnetic ring.
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