| 摘要 |
It comprises a chassis (1) carrying a blade (34) which is connected to a vibration generator (25) and the inclination of which can be adjusted using a vertical screw (41) in order to lift one end of the generator (25) and a pivot shaft (20) allowing the generator (25) to be tilted. It is thus possible optimally to adjust the shear force exerted on the impurities. Application to removing chewing gum (G) from floors (S). <IMAGE>
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