(under subclass 114) Pushing and pulling implement of the single throw lever and bar type with sliding forcing members and comprising structure permitting a preliminary adjustment of length or height, as, for example, for the purpose of engaging loads at different heights from the supporting surface.
(1) Note. In appropriate subclasses under the title "Step-by-step traveling bar" will be found similar structures comprising in addition means whereby a forcing member may be given a step-by-step movement by successive reciprocations of the lever.
