Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means

Child Classifications

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• B61G 1/02 having links or bars coupling or uncoupling by rotating around a transverse horizontal axis
• B61G 1/10 having links or bars coupling or uncoupling by rotating around a vertical axis
• B61G 1/18 having links or bars coupling or uncoupling by rotating axially
• B61G 1/22 having screws incorporated in the links for lengthening or shortening the couplings
• B61G 1/28 with vertical bolt or pin
• B61G 1/32 with horizontal bolt or pin
• B61G 1/36 with shackles and hooks, e.g. specially adapted for mine cars
• B61G 1/40 with coupling bars having an enlarged or recessed end which slips into the opposite coupling part and is gripped thereby, e.g. arrow-head type; with coupling parts having a tong-like gripping action