with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke

Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends > of drives or feed mechanisms for straight tools, e.g. saw blades, or bows > with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke

Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts (constructional features of these parts per se B23Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00); Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends > of drives or feed mechanisms for straight tools, e.g. saw blades, or bows > with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke