Mop head assembly

Claim 1

A MOP HOLDER COMPRISING A MOP HEAD A HANDLE ADAPTED PIVOTED TO THE HEAD FOR VERTICAL SWINGING MOVEMENT IN A FIRST PLANE RELATIVE THERETO, A HANDLE SUPPORT PIVOTED TO THE ADAPTER FOR SWINGING MOVEMENT RELATIVE THERETO AND RELATIVE TO THE HEAD IN PLANES SUBSTANTIALLY AT RIGHT ANGLES TO THE FIRST-NAMED PLANE, A LOCKING MEMBER PIVOTED TO THE HEAD ABUTTING SAID ADAPTER FOR SWINGING MOVEMENT WITH SAID ADAPTER AND HANDLE SUPPORT IN THE FIRST-NAMED PLANE ONLY, SAID LOCKING MEMBER LOCKINGLY ENGAGING SAID HANDLE SUPPORT TO PREVENT MOVEMENT THEREOF IN CERTAIN OF THE SECOND-NAMED PLANES, RESILIENT MEANS ABUTTING THE LOCKING MEMBER AND CAUSING IT TO FLOW THE HANDLE SUPPORT AND ADAPTER DURING MOVEMENT THEREOF IN ONE DIRECTION IN SAID FIRST PLANE, AND MEANS TO ARREST THE MOVEMENT OF THE LOCKING MEMBER IN SAID ONE DIRECTION AND TO ALLOW UNLOCKING AND SEPARATION OF THE HANDLE SUPPORT THEREFROM DURING CONTINUED MOVEMENT OF THE HANDLE SUPPORT IN SAID ONE DIRECTION IN THE FIRST PLANE.