.~ Controlled by relative movement between drive and tool, advance causing or controlling means or manipulating means
DEFINITION
Classification: 173/58
(under subclass 57) Apparatus in which the operation of work cleansing is initiated, modified, or terminated by relative movement between the tool drive and (1) the tool, (2) the means to positively cause or progressively control the forward movement of the tool or (3) a means specifically adapted to be engaged by the hand of the operator to manipulate the drive.
SEE OR SEARCH THIS CLASS, SUBCLASS:
18, for drive controlled by relative movement of advance causing or controlling means or manipulating handle.