BOLSTER CLUTCH DEVICE Russian patent published in 2009 - IPC B60P7/12 B60P1/48 B60P3/40 B60P3/41 

FIELD: transport.

SUBSTANCE: bolster clutch device includes basement with hinged clutch levers installed on vehicle frame by means of vertical axle, hydrocylinder, cables with one end fastened to upper end of clutch lever, beam plate capable of moving in vertical plane connected by links with clutch levers below their pivot pins. Other ends of cables are passed through blocks installed on beam plate and they are connected with clutch levers below their pivot pins. Clutch levers are made with additional arms rigidly attached to lower arms. Beam plate links with clutch levers are hinged to upper ends with beam plate and are hinged by bottom ends to additional arms. Hydrocylinder body is hinged to lower arm of one of clutch levers and cylinder rod is hinged to lower arm of other clutch lever.

EFFECT: design simplification, increase of clutch force and holding of skidded pack, increase of device efficiency.

3 cl, 2 dwg