Sewing – Special machines – Quilting
Patent
1987-06-03
1988-12-06
Hunter, H. Hampton
Sewing
Special machines
Quilting
112270, D05B 1100
Patent
active
047889217
ABSTRACT:
A quilting machine includes a base having three bridges; a sewing head secured to the upper bridge; a cylindrically shaped frame slidably and rotatably mounted on the lower two bridges, the frame including first and second end assemblies spaced from each other on the lower bridges, each having a support casting slidably mounted on the base and a ring rotatably mounted on a support casting, each ring including circumferential gear teeth, gears meshing with the gear teeth and extending from the support castings for supporting the rings, a plurality of first and second telescoping rods secured to the first and second end assemblies, at least one first telescoping rod screw-threadedly receiving a second telescoping rod, and at least one first and second telescoping rod rotatably fixed and axially movable with respect to each other, a gear secured to each of the latter in meshing engagement with the gear teeth of the respective rings; a mechanism for rotating the axially movable and rotatably fixed first and second telescoping rods to rotate the rings; an elongation mechanism for rotating one of the first and second screw-threaded telescoping rods to change the length of the frame; a lead screw, belt or chain assembly for axially moving the frame along the lower bridges of the base; clamps secured to the outer circumference of each ring for clamping fabric to the frame; friction rollers having a height substantially even with the rings and driven by the gears on the support castings for guiding the fabric with respect to the sewing head; a clamping assembly extending axially of the frame for clamping the free end of a fabric tensioned on the frame; a painting assembly positioned above the fabric and adjacent the sewing head for painting a pattern on the fabric; and an external control device such as a mouse for manually controlling movement of the frame.
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Hunter H. Hampton
Pathe Computer Systems, Inc.
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