(under subclass 133) Implements including means for preliminary adjustment of the implement to different initial distances between the points of engagement before the forcing mechanism is operated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
116+, 119, 121+, and 129+, also all subclasses including in the title the words "step-by-step."
SEE OR SEARCH CLASS
248, Supports,
274.1+, for adjustable brackets.
269, Work Holders, 165+, for patents to a device including means to adjust the position of relatively movable jaws.
