FIG. 1 is a side elevation view of the front side of a first embodiment of the present invention, with the knife in a closed position;
FIG. 2 is a side elevation view of the rear side of a first embodiment of the present invention, with the knife in a closed position;
FIG. 3 is an end elevation view of the left end of a first embodiment of the present invention, with the knife in a closed position;
FIG. 4 is an end elevation view of the right end of a first embodiment of the present invention, with the knife in a closed position;
FIG. 5 is a top view of a first embodiment of the present invention, with the knife in a closed position;
FIG. 6 is a bottom view of a first embodiment of the present invention, with the knife in a closed position;
FIG. 7 is a side elevation view of the front side of a first embodiment of the present invention, with the knife in an open position;
FIG. 8 is a side elevation view of the rear side of a first embodiment of the present invention, with the knife in an open position;
FIG. 9 is an end elevation view of the left end of a first embodiment of the present invention, with the knife in an open position;
FIG. 10 is an end elevation view of the right end of a first embodiment of the present invention, with the knife in an open position;
FIG. 11 is a top view of a first embodiment of the present invention, with the knife in an open position;
FIG. 12 is a bottom view of a first embodiment of the present invention, with the knife in an open position;
FIG. 13 is a side elevation view of the front side of a second embodiment of the present invention, with the knife in a closed position;
FIG. 14 is a side elevation view of the rear side of a second embodiment of the present invention, with the knife in a closed position;
FIG. 15 is an end elevation view of the left end of a second embodiment of the present invention, with the knife in a closed position;
FIG. 16 is an end elevation view of the right end of a second embodiment of the present invention, with the knife in a closed position;
FIG. 17 is a top view of a second embodiment of the present invention, with the knife in a closed position;
FIG. 18 is a bottom view of a second embodiment of the present invention, with the knife in a closed position;
FIG. 19 is a side elevation view of the front side of a second embodiment of the present invention, with the knife in an open position;
FIG. 20 is a side elevation view of the rear side of a second embodiment of the present invention, with the knife in an open position;
FIG. 21 is an end elevation view of the left end of a second embodiment of the present invention, with the knife in an open position;
FIG. 22 is an end elevation view of the right end of a second embodiment of the present invention, with the knife in an open position;
FIG. 23 is a top view of a second embodiment of the present invention, with the knife in an open position; and,
FIG. 24 is a bottom view of a second embodiment of the present invention, with the knife in an open position.