SHOE BRAKE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; brake systems. SUBSTANCE: shoe brake has support plate 10 which carries two sliding shoes 12, 14, each provided with plate 12a, 14a and rim 12b, 14b. Face surface of rim opposite to drum 20 is provided with friction lining 16, 18 for friction engagement with drum 20 under action of hydraulically operated device 22 acting onto first end of plate 12a, 14a of shoes 12, 14. It has also variable length gasket 40 which determines distance between shoes 12, 14 and is arranged close to hydraulically operated device. Second end of shoe plates thrusts against support member 28 reliably secured on support plate 10. Brake has mechanical drive 50 acting between one of shoes 12 and first end 66a of force transmitting device 66 installed for sliding on other shoe. EFFECT: enlarged operating capabilities. 5 cl, 4 dwg