| 摘要 |
<p>Pneumatic Awning for Passenger Automobile A pneumatic retractable awning for bus doors or the like comprises a canopy roller assembly consisting of a roller (1), a tarpaulin (2), a cover (3), a front bar (6), a pair of belts (9) and pulleys (10), and pneumatic stretching arm assembly consisting of an upper arm (4), a forearm (5), vertical axes (7), a pneumatic cylinder (8) and a hock (11), capable of extending the awning with pressurized air and retracting to stored position when the pressurized air is released. It is compact to be installed above a bus door in stored position and free of obstacles for passengers when extended.</p> |
