| 1/00 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means |
| 1/02 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a transverse horizontal axis |
| 1/04 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a transverse horizontal axis Operating devices therefor (B61G 1/08 takes precedence) |
| 1/06 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a transverse horizontal axis and coupling when the coupling halves are pushed together |
| 1/08 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a transverse horizontal axis and coupling when the coupling halves are pushed together Control devices therefor |
| 1/10 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a vertical axis |
| 1/12 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a vertical axis Operating devices therefor (B61G 1/16 takes precedence) |
| 1/14 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a vertical axis and coupling when the coupling halves are pushed together |
| 1/16 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating around a vertical axis and coupling when the coupling halves are pushed together Control devices therefor |
| 1/18 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating axially |
| 1/20 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having links or bars coupling or uncoupling by rotating axially Operating devices therefor |
| 1/22 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having screws incorporated in the links for lengthening or shortening the couplings |
| 1/24 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having screws incorporated in the links for lengthening or shortening the couplings Operating devices therefor (B61G 1/26 takes precedence) |
| 1/26 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means having screws incorporated in the links for lengthening or shortening the couplings and coupling when the coupling halves are pushed together; Control devices therefor |
| 1/28 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with vertical bolt or pin |
| 1/30 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with vertical bolt or pin Operating devices therefor |
| 1/32 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with horizontal bolt or pin |
| 1/34 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with horizontal bolt or pin Operating devices therefor |
| 1/36 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with shackles and hooks, e.g. specially adapted for mine cars |
| 1/38 | Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with shackles and hooks, e.g. specially adapted for mine cars rotatable about line of traction, e.g. for cars which are tiltable when coupled |