Screw jack

Description

FIG. 1 is a perspective view of a screw jack showing our new design according to a second aspect of the design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of the screw jack in another configuration;

FIG. 9 is a left side view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a is front view thereof; and,

FIG. 12 is a rear view thereof.

The subject matter in broken lines does not form part of the claim.

Claims

The ornamental design for a screw jack, as shown and described.