(under subclass 120) Pushing and pulling implement of the single throw lever type in which the extensible or thrust producing member comprises lazy tongs levers.
SEE OR SEARCH CLASS
14, Bridges,
45, for draw bridges of the lazy tong type.
182, Fire Escape, Ladder, or Scaffold,
157+, for a lazy tong type ladder with mechanical or power-extending means.
187, Elevator, Industrial Lift Truck, or Stationary Lift forVehicle,
211, and 269 for a vehicle lift and an elevator having lazy tong-type supporting levers in their drive-means.
