The ornamental design for a grippingdevice, as shown and described.
FIG. 1 is an enlarged front perspective view of the gripping device according to the invention;
FIG. 2 is a front elevation view of the gripping device of FIG. 1.
FIG. 3 is a rear elevation view of the gripping device of FIG. 1.
FIG. 4 is a top plan view of the gripping device of FIG. 1.
FIG. 5 is a right side elevation view of the gripping device of FIG. 1.
FIG. 6 is a left side elevation view of the gripping device of FIG. 1; and,
FIG. 7 is a perspective view of the gripping device of FIG. 1 integrated in an automatic unit, shown in broken lines, which outputs granular substances.
The broken lines showing the automatic unit outputting the granular substances is included for the purpose of illustrating an example environment of the gripping device and forms no part of the claimed invention. Portions of the gripping device shown in broken lines form no part of the claimed invention.