| 摘要 |
Driving device for a closing arrangement of a vehicle-tank filler neck, having a housing (1), an input shaft (2), which is intended for the connection of a drive motor (3), an output shaft (5), which is intended for driving the closing arrangement, and a gear mechanism (11, 12) which is arranged in the housing (1) and acts between the input shaft (2) and the output shaft (5), the gear mechanism (11, 12) being a worm wheel/worm mechanism with a self-locking action in the direction from the output shaft to the input shaft, a clutch (13-17) being arranged between the gear mechanism (11, 12) and the output shaft (5), and a manual actuating arrangement (18-24) with a predetermined actuating travel being provided which, over a first part (FIGS. 3b-4b) of the actuating travel, moves the clutch (13-17) into the disengaged position and, over a second part (FIGS. 4b-4c) of the actuating travel, drives the output shaft (5). |
