Shaft 6 rotates about fixed axis B. Bevel gear 5 rotates about fixed axis A. Double toothed-clutch member 1 slides along key a of shaft 6 and can engage clutch element b or c of bevel gear 3 or 4 which is freely mounted on shaft 6. By turning lever 2 about fixed axis C, either the right- or left-hand end of clutch member 1 can be brought into engagement with clutch element c or b, reversing the direction of rotation of gear 5.
$2396$SG,C$