Rotational movement transmission device for automobile seat comprises flexible shaft inside sheath having core formed from hollow cylinder and comprising bearing zone having two external parts and central part

摘要

The rotational movement transmission device (1) comprises a flexible shaft (2) inside a sheath (3). The sheath comprises a core (4) formed from a hollow cylinder. The core comprises bearing zone (6), which is obtained by plastic deformation, comprising two exterior part (7,8) and a central part (9). An Independent claim is included for a seat adjusting system.