Rocker Lug Coupling 2 : Hose coupling in which the lugs used for tightening or loosening are semicircular in shape and designed to pass over obstructions. See also: Pin Lug Coupling
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}