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Show STANCHION IS SELF-CLOSING Device Works Automatically When Beast Puts Its Head Through How It Is Operated. A practical stanchion that will close au) omatically by the action of the bea.st when placing its head through the bars is shown in the sketch. The stanchion is made in the ordinary manner except that it is equipped with the self-closing parts. When Automatic Closing Stanchion. turning the stock out the bar A must be thrown to one side and to set the stanchion after this is done, it is only necessary to place the piece B as shown, so that the coil spring C will hold it in position. When the beast enters, its movement of the head downward trips the piece B, the spring locks the bar A under the loop D, and the stanchion is securely closed. Popular Mechanics. |