Abstract A circular sawing machine having one or multiple circular sawing blades driven at their outside periphery by one or more single or multiple strand chains of the type having inside and outside links connected by pins, the saw blades having for this purpose teeth, the teeth which go in between the inside links of the chain doing this with little clearance, and the teeth going in between the outside links of the chain carrying cutting elements wider than the saw blade, but still capable of passing with ample clearance between the outside links. The saw blade or blades are not supported by a shaft, but shaped annular or flat. The annular saw blades can be supported by circumferentially grooved rollers located at the inside periphery of the saw blades with the blades fitting in the grooves and in addition indirectly by rollers on extensions of the chain pins rolling on a hollow cylindrical member attached to the frame of the machine just outside of the periphery of the saw blades. The latter rollers can roll in grooves in these hollow cylindrical members, thus not only supporting the saw blades radially, but also axially. If the chain and cylindrical hollow member enclose sufficiently more than 180* of the circumference of the saw blades, or if there are two or more chains on sufficiently opposed sides of the saw blades, the rollers on the internal periphery of the annular saw blades can be omitted and the saw blades can be flat circular plates instead of annular plates.
A sawing machine having one or more circular sawing blades, each blade supported at its outside periphery by one or more chains of the type having inside and outside links connected by pins, the saw blade having for this purpose teeth, the teeth which go in between the inside links of the chain doing this with little clearance, and the teeth going in between the outside links of the chain carrying cutting elements wider than the saw blade but still capable of passing with ample clearance between the outside links, the pins of the chain having rollers, rolling against a hollow cylindrical member mounted to the frame of the machine.
Claim 2
Dependent Claim
110 words
A sawing machine having one or more circular sawing blades, each blade supported at its outside periphery by one or more chains of the type having inside and outside links connected by pins, the saw blade having for this purpose teeth, the teeth which go in between the inside links of the chain doing this with little clearance, and the teeth going in between the outside links of the chain carrying cutting elements wider than the saw blade but still capable of passing with ample clearance between the outside links, the pins of the chain having rollers, rolling against a hollow cylindrical member mounted to the frame of the machine.
Claim 3
Dependent Claim
39 words
A circular sawing machine as described in claim 1, having in addition a concentric hole in the circular sawing blade, the inside periphery of this hole rolling against one or more rollers mounted to the frame of the machine.