The ornamental design for a hub and chaingrasscutting device, as shown and described.
FIG. 1 is a front perspective view of the hub and chain grass cutting device showing my new design;
FIG. 2 is a rear perspective view of the hub and chain grass cutting device;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view;
FIG. 7 is a left side elevational view; and,
FIG. 8 is a right side elevational view of the hub and chain grass cutting device illustrated in FIGS. 1—7.
The broken lines illustrating a partial view of a driving device for receiving the Hub and chain grass cutting device are for illustrative purposes only and form no part of the claimed design.