Patent ID: 9528373
Filing Date: 2016-12-27
CPC Classification: F01B,F02B

Claim Text:
1. Rotary drive system ( 50 ) comprising a cylinder wall ( 51 ), a piston ( 4 , 4 ′) axially slidable along a longitudinal axis (L) within the cylinder wall ( 51 ) and a piston rod ( 20 , 20 ′) extending along the longitudinal axis and projecting at a drive side (D) of the system axially beyond the cylinder wall, the piston rod ( 20 , 20 ′) at the drive side being attached to a carrier support member ( 5 a ), a rotatable annular cam member ( 9 ) extending at an axial cam position that is spaced at a distance from the drive side (D), coaxially around the cylinder wall ( 51 ), a carrier ( 5 b ) carrying at a support side a pair of rollers ( 7 , 7 ′) engaging on opposed cam surfaces of the cam member, the carrier ( 5 b ) extending radially outwardly from the cylinder wall ( 51 ) from the cam position to the carrier support member ( 5 a ) and being with a connecting end detachably connected to the carrier support member, the carrier ( 5 b ) comprising an arm that is provided with a flexible section ( 41 ).