.~.~ With means providing for plural steps in clamping stroke
DEFINITION
Classification: 83/379
(under subclass 375) Device wherein there are distinct phases of clamp drive, through different drive means acting in succession or in varying combinations.
(1) Note. The subject matter of this subclass extends beyond a mere variable force drive for a clamp.
SEE OR SEARCH THIS CLASS, SUBCLASS:
376+, for the special case of a clamp driven through the ultimate portion of its stroke by reaction of the tool as it is deflected from its initial direction of motion by guide means on the partially tightened clamp.
385+, and 388+, for disclosure of a variable force clamp drive.
