Escalator brushes
The invention discloses escalator brushes. Grooves are uniformly formed in the bottom of a strip-shaped protrusion, through holes in communication with air pipes are formed in the inner sides of the grooves, a movable plate is arranged at the bottom of the strip-shaped protrusion, inserting blocks a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses escalator brushes. Grooves are uniformly formed in the bottom of a strip-shaped protrusion, through holes in communication with air pipes are formed in the inner sides of the grooves, a movable plate is arranged at the bottom of the strip-shaped protrusion, inserting blocks are integrally formed at the top of the movable plate, and the inserting blocks are inserted into thegrooves; and a rotating shaft is arranged in a round tube hole, a winding drum is fixedly connected to the outer side of the rotating shaft in a sleeve mode, bristles are fixed on the outer side of the winding drum, and one sides of the bristles are inserted into arc-shaped notches and the grooves. The brush bristles drive the winding drum to rotate through a rotating handle, the winding drum drives the brush bristles to be folded and placed so that the brush bristles can slide in the arc-shaped notches and the grooves, nuts are screwed the brush bristles can be fixed by the inserting blocks,and the extending length |
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