Railway open wagon door auxiliary closing device

Abstract

1. Name of the product in this design: Auxiliary closing device for railway open wagon doors. 2. Purpose of this design: To assist in closing the doors of railway open wagons. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The left view is shown in Figure 1 under the change state, the right view is shown in Figure 2 under the change state, the bottom view is shown in Figure 3 under the change state, and the top view is shown in Figure 4 under the change state. The left view, right view, top view, and bottom view are omitted.

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