| 摘要 |
A toy airplane operable by air pressure through a blowpipe is designed to make effective use of the full air pressure supplied to the blowpipe to enhance its flight distance and speed. The airplane includes a tubular support member having a plugged front end and an open rear end into which the blowpipe is insertable. A cover member is mounted on the tubular support member and shaped to form an aircraft body with wing and tail elements. The tubular support member includes an annular accordion fold section spaced rearwardly from its front end to provide airtight sealing engagement with the blowpipe and to exert a gripping force on the blowpipe which must be overcome by the air pressure to launch the toy airplane into flight.
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