| 摘要 |
FIELD: constructional members to vacuum cleaners. ^ SUBSTANCE: connection branch pipe is designed for vacuum cleaner with detachable joining of suction hose and inlet opening of housing of vacuum cleaner. Connection branch pipe has tubular end portion that may be inserted into said inlet opening. Branch pipe is made in such a way that it may pass through first outer wall and second inner wall of housing of vacuum cleaner. ^ EFFECT: stable reliable joint between suction hose and housing of vacuum cleaner. ^ 9 cl, 3 dwg |
