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A hoop frame unit having a frame support structure, a hoop frame assembly, and a machine carriage assembly. The hoop frame assembly has a front fabric retainer, a rear fabric retainer, a first end retainer, and a second end retainer. Retainer clips mate with retainer seats on each of the retainers t

A hoop frame unit having a frame support structure, a hoop frame assembly, and a machine carriage assembly. The hoop frame assembly has a front fabric retainer, a rear fabric retainer, a first end retainer, and a second end retainer. Retainer clips mate with retainer seats on each of the retainers to secure fabric zones of quilt cores in place for machine sewing. The machine carriage assembly is supported by a front carriage track and a rear carriage track which are affixed on opposing ends to the frame support structure. The machine carriage assembly incorporates a lateral carriage element for carriage lateral movement, and a pair of longitudinal tracks on the lateral carriage element to provide for machine longitudinal movement.

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1. A hoop frame unit for use in machine quilting of a quilt core using a quilting machine, the hoop frame unit having a quilt core positioning capability for sequential positioning and securing of sequential fabric zones of the quilt core for sewing, the hoop frame unit comprising: a frame support s

1. A hoop frame unit for use in machine quilting of a quilt core using a quilting machine, the hoop frame unit having a quilt core positioning capability for sequential positioning and securing of sequential fabric zones of the quilt core for sewing, the hoop frame unit comprising: a frame support structure;a hoop frame assembly comprising a front fabric retainer, a rear fabric retainer, a first end retainer, and a second end retainer, the front fabric retainer, the rear fabric retainer, the first end retainer, and the second end retainer each being affixed to the frame support structure, the front fabric retainer having a front retainer seat and a front retainer clip, the rear fabric retainer having a rear retainer seat and a rear retainer clip, the first end retainer having a first end retainer seat and a first end retainer clip, and the second end retainer having a second end retainer seat and a second end retainer clip, the front fabric retainer, the rear fabric retainer, the first end retainer and the second end retainer each having an overlapping capability for overlapping of the quilt core for positioning and securing a selected fabric zone for sewing; anda machine carriage assembly mounted on the frame support structure, the machine carriage assembly providing for lateral and longitudinal movement of the quilting machine. 2. The hoop frame unit recited in claim 1 wherein one or more of the front fabric retainer, the first end retainer, and the second end retainer have a fabric tightening mechanism. 3. The hoop frame unit recited in claim 2 wherein each fabric tightening mechanism has a ratchet drive. 4. The hoop frame unit recited in claim 1 wherein the machine carriage assembly comprises a front carriage track, a rear carriage track, a lateral carriage element, and a pair of longitudinal tracks on the lateral carriage element. 5. A hoop frame assembly for use in machine quilting of a quilt core using a quilting machine, the hoop frame assembly having a quilt core positioning capability for sequential positioning and securing of sequential fabric zones of the quilt core for sewing, the hoop frame assembly comprising a front fabric retainer, a rear fabric retainer, a first end retainer, and a second end retainer, the front fabric retainer, the rear fabric retainer, the first end retainer, and the second end retainer each being affixed to a support structure, the front fabric retainer having a front retainer seat and a front retainer clip, the rear fabric retainer having a rear retainer seat and a rear retainer clip, the first end retainer having a first end retainer seat and a first end retainer clip, and the second end retainer having a second end retainer seat and a second end retainer clip, the front fabric retainer, the rear fabric retainer, the first end retainer and the second end retainer each having an overlapping capability for overlapping of the quilt core for positioning and securing a selected fabric zone for sewing. 6. The hoop frame assembly recited in claim 5 wherein one or more of the front fabric retainer, the first end retainer, and the second end retainer have a fabric tightening mechanism. 7. The hoop frame assembly recited in claim 6 wherein each fabric tightening mechanism has a ratchet drive. 8. The hoop frame assembly recited in claim 5 further comprising a machine carriage assembly which comprises a front carriage track, a rear carriage track, a lateral carriage element, and a pair of longitudinal tracks on the lateral carriage element. 9. A method for sewing by a user, with a quilting machine, of a quilt core comprised of one or more fabric layers, using a hoop frame unit and without the use of a full width quilting frame, the hoop frame unit having a quilt core positioning capability for sequential positioning and securing of sequential fabric zones of the quilt core for sewing, the method comprising: mounting the quilting machine on a machine carriage assembly, the machine carriage assembly being supported by a frame support structure;sequentially securing respective fabric zones of the quilt core in a hoop frame assembly, the hoop frame assembly being supported by and positioned by the frame support structure, the hoop frame assembly comprising a front fabric retainer, a rear fabric retainer, a first end retainer, a second end retainer, the front fabric retainer having a front retainer seat and a front retainer clip, the rear fabric retainer having a rear retainer seat and a rear retainer clip, the first end retainer having a first end retainer seat and a first end retainer clip, and the second end retainer having a second end retainer seat and a second end retainer clip, the front fabric retainer, the rear fabric retainer, the first end retainer and the second end retainer each having an overlapping capability for overlapping of the quilt core for positioning and securing a selected fabric zone for sewing; andsewing respective pattern segments in each fabric zone sequentially, the machine carriage assembly providing for the quilting machine to be moved laterally and longitudinally by the user for sewing the pattern segments. 10. The method recited in claim 9 wherein one or more of the front fabric retainer, the first end retainer, and the second end retainer have a fabric tightening mechanism, and the respective fabric zone is tightened by the one or more fabric tightening mechanisms. 11. The method recited in claim 9 wherein one or more of the front fabric retainer, the rear fabric retainer, and the first end retainer have a fabric tightening mechanism with a ratchet drive, and the respective fabric zone is tightened by the one or more fabric tightening mechanisms. 12. The method recited in claim 9 wherein the machine carriage assembly comprises a front carriage track, a rear carriage track, a lateral carriage element, and a pair of longitudinal tracks on the lateral carriage element. 13. The method recited in claim 9 wherein each respective fabric zone is secured to the front fabric retainer, the rear fabric retainer, the first end retainer, and the second end retainer respectively by respective retainer clips. 14. The method recited in claim 9 wherein each respective fabric zone is secured to the front fabric retainer by the front retainer clip, to the rear fabric retainer by the rear retainer clip, to the first end retainer by the first end retainer clip, and to the second end retainer by the second end retainer clip.