B23D 51/12

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 devices for mounting straight saw blades or other tools for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height