94 and mid strut 108 a pair of lower gussets 110 112 are attached to and support the mid strut 108 and lower tongue 114 the components extending from the upper tongue 94 to the lower tongue 114 form a c shape defining an interior crook portion 116 the hoop assembly 20 includes an inner hoop 118 and an outer hoop 120 which extends about the outer periphery of the inner hoop and is concentric with it as shown in fig2 and 4 the inner hoop includes a mounting block 122 which has a notch 124 shaped to receive the end of the lower tongue 114 and is secured to the tongue by a bolt 126 and wing nut 128 combination in which the bolt passes through bores 130 132 formed in the tongue and bracket respectively the outer hoop 120 is split and the ends 134 136 include lugs 138 140 through which a bolt 142 extends bolt 142 receives a wing nut 144 on an end such that displacement 144 causes the ends 134 136 to be drawn together or allowed to separate as a result of the inherent resiliency of the outer hoop 120 the operation of the quilting frame 10 is as follows and is described with reference to fig1 in order to fix the hoop assembly 20 at the desired elevation from the floor and distance from the post 28 of the base 12 the articulated arm 14 is adjusted handled wing nuts 44 56 of.