| 摘要 |
<p>An integral, one piece shoe attachment 40 for detachable insertion in the intake orifice 36 of an electric vacuum cleaner of which the bottom surface 48 has rounded projections 90 which raise the shoe attachment bottom surface slightly off the surface being suctioned, a flexible blade 110, 112 extending along the long dimension of the inlet opening, dividing the inlet opening 80 into a front 102 and rear section 104 and projecting down far enough that as the shoe attachment is moved in one direction, the blade flexes to close off one section 102 of the inlet opening 80 and as the shoe attachment is moved in the opposite direction, the blade flexes in the opposite direction to close off the other section 104 of the inlet opening.</p> |
