the automatic latch arrangement shown in u s pat no 5 974 706 the swiveling second bracket 68 receives and supports a quick attachment frame 90 of the excavator bucket or other implement 20 frame 90 includes a pair of side plates 93 and an end cross member 94 that fits into the saddle 80 the side plates 93 are spaced sufficiently so they fit on the outer sides of the side plates 84 and cross plate 86 of the swiveling second bracket 68 the nose member 82 fits beneath a retainer bar 92 on the frame 90 on the bucket 20 as shown in fig6 a cross bar 94 is positioned to extend between and rest on outer ends of both of the side plates 93 on the frame 90 the bar 94 is held against the edges of the side members 93 of the frame 90 and the nose member 82 of the bracket 68 is pulled into place and held with cap screws 98 also as shown in fig3 of u s pat 5 983 535 when the bucket 20 or other tool or implement and frame 90 are positioned substantially as shown in fig1 and 3 and the swivel assembly is mounted on the boom dipper arm 16 it can be seen that by extending and retracting the rod of linear actuator or cylinder 62 the angle of the blade 100 of the bucket 20 relative to a horizontal plane can be changed since the bracket 68 swivels about the axis.