Main body of telescopic box girder level

Abstract

1. Name of the designed product: main body of telescopic box girder level. 2. Use of the designed product: the designed product is a measuring tool with adjustable length. 3. Design points of the designed product: the shape of the solid line part. 4. Picture or photo best indicating the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances needing explanation: the dotted line part in the figure is not claimed. Design 3 adopts the method of omitting length.

Images