with extensible or collapsible frames

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 beds; of guiding arrangements for work-tables or saw carriers; of frames > with extensible or collapsible frames

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 beds; of guiding arrangements for work-tables or saw carriers; of frames > with extensible or collapsible frames