GEAR WHEEL Russian patent published in 2016 - IPC F16H1/26 F16H55/14 

FIELD: machine building.

SUBSTANCE: invention relates to machine parts and can be used in tooth gears with wheels of large diameter and with wide toothed rims. Gear wheel comprises hub, body in form of disk and rim wheel with toothed rim, wherein width of rim wheel and toothed rim exceeds thickness of body disc. In gear wheel zone of engagement with paired gear wheel of gear from rim wheel inner surface side support rollers are located at both ends of body disc. Rollers are installed with possibility of free rotation in plane of gear wheel rotation on axles, fixed relative to rotating toothed wheel and with contact by their roll surfaces with internal surface of rim wheel.

EFFECT: higher strength of gear wheel without increasing its material consumption.

1 cl, 2 dwg