Drive for rear wheel of push scooter has foot-operated tread board hinged to scooter floor and connected through rods and pinion disc to freewheel hub of rear wheel with return spring

摘要

The drive uses a foot-operated tread board (4) which is connected to the scooter floor (9) through a hinge (7). Left and right on the board are rods (5) each fixed left and right to the freewheel hub (2) of the rear wheel (1) by a screw on a pinion disc (3). A return spring (6) is fitted between the scooter floor and the tread board.