Roof delamination instrument

Abstract

1. The name of this design product: roof separation meter. 2. Purpose of this design product: used to monitor the amount of roof subsidence at different levels in coal mines. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Partially enlarged Figure 1. 5. Other situations that require explanation Other explanations: Partial enlarged Figure 1 is an enlarged view of point A in the main view; Partial enlarged Figure 2 is an enlarged view of point B in the main view; Partial enlarged Figure 3 is an enlarged view of point C in the rear view; Partial enlarged Figure 4 is an enlarged view of point D in the bottom view; Partial enlarged Figure 5 is an enlarged view of point F in the bottom view; Partial enlarged Figure 6 is an enlarged view of point G in the right view; Partial enlarged Figure 7 is an enlarged view of point H in the left view.

Images