| 摘要 |
The design consists of the shape, configuration and ornamentation of the vacuum pump as shown in the drawings; the vacuum pump presents generally mirror image in right side view of the front and rear sections of the vacuum pump; each section presents a lower large generally cylindrical portion with a housing portion with angled corner areas extending upwards from the top surface thereof; a pair of spaced apart generally identical cylindrical elements extend between adjacent surfaces of the housing portions close to the upper corner areas thereof; each outer end of each lower large generally cylindrical portion presents a generally circular grill-like area having a central circular open area and a series of spaced-apart concentrically situated rib-like elements located in front of radially extending spaced apart rib-like elements.Representations of the design are shown in the figures wherein:Fig. 1 is a right front perspective view from above of the design of a vacuum pump;Fig. 2 is a left rear perspective view from above of the vacuum pump;Fig. 3 is a front elevation view thereof;Fig. 4 is a rear elevation view thereof;Fig. 5 is a right side elevation view thereof;Fig. 6 is left side elevation thereof;Fig. 7 is a top plan view thereof; andFig. 8 is a bottom plan view thereof.Diagrams of the design are included.
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