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    • 4. 发明授权
    • Upright vacuum cleaner
    • 直立吸尘器
    • US5903955A
    • 1999-05-18
    • US93693
    • 1998-06-09
    • Richard C. FaroneCraig M. SaundersJeffrey M. KalmanPaul D. StephensRobert A. SaloCharles J. ThurMichael F. Wright
    • Richard C. FaroneCraig M. SaundersJeffrey M. KalmanPaul D. StephensRobert A. SaloCharles J. ThurMichael F. Wright
    • A47L5/28A47L5/32A47L9/00A47L9/02A47L9/06
    • A47L9/0673A47L5/28A47L5/32A47L9/0036A47L9/009A47L9/02A47L9/06
    • An upright vacuum cleaner is provided and includes an upper section with a handle (15) and a lower cleaning nozzle section (14, 14') having a main suction opening (18) formed in the underside (16) thereof. A suction source (M) is provided and an edge cleaning tool (60) having a suction bore (64) formed therethrough is releasably connected to the cleaning nozzle section (14'). A suction hose (20) selectively connects one of the main suction opening (18) of the nozzle (14') and the suction bore (64) of the edge cleaning tool (60) with the suction source (M). First and second laterally spaced casters (30a, 30b) extend from the underside (16) of the nozzle (14, 14') and each caster (30a, 30b) is pivotable respectively about a vertical axis (D,E). First and second laterally spaced fixed wheels (32a, 32b), each rotatable about a single rolling axis (C), are also provided and positioned forward of the first and second casters (30a, 30b). Each fixed wheel (32a, 32b) includes a rolling surface (40a, 40b) and curved inner and outer transition surfaces (42a, 42b), (44a, 44b) connecting its rolling surface (40a, 40b) to the inner and outer sides (42a, 42b), (44a, 44b) of the wheel (32a, 32b).
    • 提供了一种立式吸尘器,包括具有手柄(15)的上部部分和在其下侧(16)上形成有主吸入口(18)的下部清洁喷嘴部分(14,14')。 提供吸入源(M),并且具有通过其形成的吸入孔(64)的边缘清洁工具(60)可释放地连接到清洁喷嘴部分(14')。 抽吸软管(20)选择性地将喷嘴(14')的主吸入口(18)中的一个与边缘清洁工具(60)的吸入孔(64)与吸入源(M)连接。 第一和第二侧向间隔的脚轮(30a,30b)从喷嘴(14,14')的下侧(16)延伸,并且每个脚轮(30a,30b)分别围绕垂直轴线(D,E)枢转。 第一和第二侧向间隔开的固定轮(32a,32b)也可以围绕单个滚动轴线(C)旋转,并且位于第一和第二脚轮(30a,30b)的前方。 每个固定轮(32a,32b)包括滚动表面(40a,40b)和弯曲的内外过渡表面(42a,42b),(44a,44b)将其滚动表面(40a,40b)连接到内侧和外侧 (42a,42b),(44a,44b)。