| 摘要 |
The design consists of the features of shape, pattern, ornament and configuration of a DRILL BIT as shown in the drawings.FIG. 1 is a perspective view showing the working end and one side of the drill bit.FIG. 2 is a side view of the design for the drill bit shown in FIG. 1.FIG. 3 is a side view of the design for the drill bit shown in FIG. 1 showing the profile of the spur.FIG. 4 is a side view of the design for the drill bit shown in FIGS. 1-3 showing the shape of the spur.FIG. 5 is an enlarged top plan view of the drill bit shown in FIG. 1.FIG. 6 is an enlarged bottom plan view of the drill bit shown in FIG. 1.FIG. 7 is a perspective view showing the working end and one side of a first variant for a drill bit shown in FIG. 1.FIG. 8 is a side view of the design for the drill bit shown in FIG. 7.FIG. 9 is a side view of the design for the drill bit shown in FIG. 7 showing the profile of the spur.FIG. 10 is a side view of the design for the drill bit shown in FIGS. 7-9 showing the shape of the spur.FIG. 11 is an enlarged top plan view of the drill bit shown in FIG. 7.FIG. 12 is an enlarged bottom plan view of the drill bit shown in FIG. 7.FIG. 13 is a perspective view showing the working end and one side of a second variant for a drill bit shown in FIG. 1.FIG. 14 is a side view of the design for the drill bit shown in FIG. 13.FIG. 15 is a side view of the design for the drill bit shown in FIG. 13. showing the profile of the spur.FIG. 16 is a side view of the design for the drill bit shown in FIGS. 13-15 showing the shape of the spur.FIG. 17 is an enlarged top plan view of the drill bit shown in FIG. 13.FIG. 18 is an enlarged bottom plan view of the drill bit shown in FIG. 13.FIG. 19 is a perspective view showing the working end and one side of a third variant for a drill bit shown in FIG. 1.FIG. 20 is a side view of the design for the drill bit shown in FIG. 19.FIG. 21 is a side view of the design for the drill bit shown in FIG. 19 showing the profile of the spur.FIG. 22 is a side view of the design for the drill bit shown in FIGS. 19-21 showing the shape of the spur.FIG. 23 is an enlarged top plan view of the drill bit shown in FIG. 19.FIG. 24 is an enlarged bottom plan view of the drill bit shown in FIG. 19.FIG. 25 is a perspective view showing the working end and one side of a fourth variant for a drill bit shown in FIG. 1.FIG. 26 is a side view of the design for the drill bit shown in FIG. 25.FIG. 27 is a side view of the design for the drill bit shown in FIG. 25 showing the profile of the spur.FIG. 28 is a side view of the design for the drill bit shown in FIGS. 25-27 showing the shape of the spur.FIG. 29 is an enlarged top plan view of the drill bit shown in FIG. 25.FIG. 30 is an enlarged bottom plan view of the drill bit shown in FIG. 25.FIG. 31 is a perspective view showing the working end and one side of a fifth variant for a drill bit shown in FIG. 1.FIG. 32 is a side view of the design for the drill bit shown in FIG. 31.FIG. 33 is a side view of the design for the drill bit shown in FIG. 31 showing the profile of the spur.FIG. 34 is a side view of the design for the drill bit shown in FIGS. 31-33 showing the shape of the spur.FIG. 35 is an enlarged top plan view of the drill bit shown in FIG. 31.FIG. 36 is an enlarged bottom plan view of the drill bit shown in FIG. 31. |
