GEAR WHEEL Russian patent published in 2016 - IPC F16H55/12 

FIELD: machine building.

SUBSTANCE: invention relates to machine building and can be used in oil loaded coarse-grained tooth gears. Gear wheel includes body, gear rim with teeth and pair of ring pads fixed on teeth ends and body part adjoining gear wheel rim. Gear wheel rim is composed of separate teeth not fixed on the body of the gear wheel. Each tooth consists of a pair of plates bent as per the profile of side working surfaces designed for this wheel of the tooth, and having working surface equal in area of working surfaces to designed tooth. Plates along the whole length are installed in slots made in the circular straps, with formation at that the profile corresponding to the profile of working surfaces of designed tooth. Ends of plates are equipped with locking ledges. Answer concavities are made in slots of ring pads, one ring pad is configured to be removable, and jumpers are located at the place of the absent surfaces of teeth apices, made integral with plates, but with thickness less than thickness of plates.

EFFECT: reduction of material consumption and improvement of repairability are provided.

1 cl, 4 dwg