SAFETY COUPLING Russian patent published in 2016 - IPC F16D7/04 F16D43/20 

FIELD: machine building.

SUBSTANCE: safety coupling contains casing out of two halves, bearing assembly and movement transmission elements. In left half of the casing on the internal surface the bearing assembly with drive sprocket is installed, it at one side by means of the spline joint is connected with drive shaft, and at another side by means of chain drive is connected with two driven sprockets. Chain has two stops in form of plates with hemispheric form, entering in contact with stops in form of sectors, rigidly secured on double-arm levers. Free ends of stops are connected by springs with left half of the coupling casing.

EFFECT: simplified design.

2 dwg