Electrically powered tooth-paste dispenser - has travelling roller driven on rack and pinion by motor

摘要

The toothpaste dispenser has a back plate (1) which has a tube support block (9) with a discharge nozzle (10) below it. The tube end is inserted behind the roller (31) carried on two supports (36) and able to travel vertically up and down on the double rack and pinion mechanisms (32) and (27). The roller is driven through a gear by the electric motor (39) given off the battery (41). The motor travels with the rollers and is joined to the battery by the flexible wires (42) and (43).