| 摘要 |
A palm driver has a rotatable drive member and an ergonomic handle body connected to the drive member through a ratchet mechanism and covered by a cushioning grip. The handle body is asymmetrically curved and is substantially continuously convex along portions engageable in use with the user's hand, having a generally flattened top surface opposite the drive member and receivable in the user's palm, and a peripheral side surface which has a plan outline which is continuously convex and has a generally flattened heel portion and an opposed, much smaller radius finger portion, respectively engageable with the heel and fingers of the user's hand in use. |
