PNEUMATICALLY OPERATED SAW Russian patent published in 2015 - IPC B27B5/00 

FIELD: woodworking industry.

SUBSTANCE: saw comprises a circular saw blade with teeth, put on the mounting disc. The circular saw blade is limited from shifting by the side guides. The circular saw blade is driven by jets of compressed air coming from the compressor. The jets of compressed air flow from the nozzles of the air duct to the rear part of the teeth. The width of the rear part of the teeth is greater than the thickness of the sawing disc but less than the width of the front part of the teeth.

EFFECT: increased energy efficiency of the saw drive.

2 dwg