(under subclass 280) Apparatus in which the mechanical device includes a lever mounted so the point about which it moves does not change position relative to the fixed abutment.
SEE OR SEARCH CLASS
83, Cutting,
604, 605+, 625, 630, and 633+, for a cutting tool actuated by toggle or fixed-axis lever, and appropriate subclasses referring in their titles to work clamps or work feed grippers, for clamp or gripper jaws variously actuated.
147, Coopering,
10, for machines which force hoops upon barrels by means of lever or crank gearing operated driving means.
