Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B61G1/00—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
B61G1/18—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