Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1998-03-18
2000-06-27
Scherbel, David A.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
81 60, 811771, 81489, D8 25, D8107, B25B 1346
Patent
active
060792981
ABSTRACT:
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.
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Snap-on Tools Catalog, p. 63, showing Model F714 Palm Style Ratchet Drive *no date*.
Gasperi Nancy C. Rittmann
Wente Steven R.
Danganan Joni B.
Scherbel David A.
Snap-on Tools Company
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