ACCESSORY BRUSH MOUNTED ON EXTENTION PIPE OF A VACUUM CLEANER

摘要

a hollow body (5) slidingly movable in association with the outer surface of an intermediate extension tube (110) and provided with a plurality of long holes (10a)(10b) into which stopper (15), body fixing projection (13) and intermediate tube button (12) projecting from the intermediate extension tube (100) are inserted; a means (25) for moving the body forward, provided with springs (29a)(29b) elastically supporting the hollow body (5) forward to make the brush (7) project from the intermediate extension tube (110); means for moving the body backward(40), provided with projections (42a)(42b) inserted into a cut groove (45) of the intermediate extension tube (110) to make the brush (7) move backward from the top of the intermediate extension tube (110); and a means (50) for fixing the hollow body (5) to the right position with respect to the intermediate extension tube (110).