BIT STOCK HAVING MANUAL DRIVE MEANS (E.G., BRACE):
(under the class definition) Devices including a member adapted to mount a bit shaft (usually a chuck) with the bit extending from the member, and a driving element projecting transversely from the member and adapted to receive force applied manually to rotate the bit.
(1) Note. This subclass and its indents include extension shanks for bits, and subcombinations disclosed with devices appropriate for inclusion herein.
(2) Note. The driving element may comprise a lever arm to be engaged manually, or structure adapted to be engaged by another driven element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
53+, for a tool of this type either claimed with, or solely disclosed as, a wrench or screwdriver.