| 摘要 |
A screwdriver handle comprises a base portion; a pair of arms pivotally connected to the base portion; a locking sleeve mounted around the base portion and adapted to engage the pair of arms; a spring member mounted around the base portion and adapted to engage the locking sleeve; a torsion spring connected to the base portion and each of the pair of arms; and a pin connecting the pair of arms to the base portion. The base portion comprises at least one gripping indent feature and a hollow inner shaft chamber having a locking indent feature. The pair of arms are adapted to articulate from a first position planar to a longitudinal axis of the base portion to a second position transverse to the longitudinal axis of the base portion. The locking sleeve is adapted to move along a longitudinal axis of the base portion.
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