Slide buckle with roller

Claim 1

A CARGO RETAINER COMPRISING A STRAP AND A BUCKLE ADJUSTABLY SECURED THERETO, SAID BUCKLE COMPRISING A PLATE-LIKE BODY HAVING A PLANAR FACE FREE OF PROJECTIONS AND CONSTITUTING AN OPEN FRAME HAVING ENDS AND SIDES DEFINING AN OPENING THEREBETWEEN, LOCKING AND ABUTMENT MEMBERS DISPOSED IN SIDE-BY-SIDE RELATION AND EXTENDING ACROSS SAID OPENING, MOUNTING MEANS UPON THE OTHER FACE OF SAID BODY ON OPPOSITE SIDES OF SAID OPENING AND SUPPORTING IN SPACED RELATION TO SAID OTHER FACE THE ENDS OF SAID MEMBERS FOR SLIDING MOVEMENT OF SAID MEMBERS ACROSS SAID OPENING AND TOWARD AND FROM EACH OTHER, ROTATION PREVENTING MEANS ON ONE OF SAID MEMBERS, SAID STRAP HAVING A LOOP EMBRACING SAID LOCKING MEMBER AND HAVING THE PORTIONS OF SAID STRAP CONTIGUOUS TO SAID LOOP EXTENDING THROUGH SAID OPENING AND OVERLYING SAID BODY PLANAR FACE, ONE OF SAID STRAP PORTIONS BEING RECEIVED BETWEEN AND BEING RELEASABLY WEDGINGLY ENGAGED BY SAID MEMBERS WHEREBY TENSION APPLIED TO THE OTHER OF SAID PORTIONS WILL URGE SAID LOCKING MEMBER TOWARD SAID ABUTMENT MEMBER AND THEREBY CAUSE SAID MEMBERS TO WEDGINGLY GRIP SAID ONE OF SAID STRAP PORTIONS AND HOLD SAID STRAP IN ADJUSTED POSITION IN SAID BUCKLE, A RELEASE MEANS MOVABLY MOUNTED OPON SAID BODY AND ENGAGING AT LEAST ONE OF SAID MEMBERS AND EFFECTING SEPARATING MOVEMENT OF SAID MEMBERS WHEREBY TO RELEASE SAID WEDGING ENGAGEMENT OF SAID MEMBERS WITH SAID STRAP AND FREE THE LATTER FOR ADJUSTMENT OF SAID STRAP UPON SAID BUCKLE, MEANS ASSOCIATED WITH SAID MOUNTING MEANS AND ENGAGING SAID MEMBERS AND LIMITING MOVEMENT OF THE LATTER TOWARD AND PREVENTING CONTACT OF THE LATTER WITH THE ADJACENT ENDS OF SAID OPENING, AND MEANS ON SAID BUCKLE FOR DETACHABLY ANCHORING THE LATTER TO A SUPPORT MEANS.