head of a screw

Abstract

1. The name of the design product: the head of a screw. 2. The use of the design product: the design product as a whole is a screw for screwing operation; the partial use is the head of a screw. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the solid line part disclosed by the picture is the part claimed in the present case; the dotted line part is not claimed in the present case; the dash-dot line is the boundary for limiting the protection scope of the product, and the dash-dot line itself is not claimed in the design of the product; design 1A-A sectional view is the sectional view taken along the A-A line in the front view of design 1, which is used to illustrate the penetration depth of a hole in design 1; design 2B-B sectional view is the sectional view taken along the B-B line in the front view of design 2, which is used to illustrate the penetration depth of a hole in design 2.

Images