Patent ID: 7918170

Claim:
A quilting machine for quilting cloth, comprising: a frame composed of a first upper beam, arranged horizontally above a cloth to be quilted, and of a second lower beam arranged below said cloth; at least one stitcher having a sewing head and a hook assembly; carriages for supporting respectively said sewing head and said hook assembly; said carriages being moveable along said beams; guide means provided at said beams for guiding said carriages during movement thereof; driving linear motors having inductor elements, which are arranged at said upper beam and lower beam respectively, and armature windings which are arranged at said carriages that support said sewing head and said hook assembly respectively, said linear motors driving said carriages for movement along said beams; electric motors for driving the sewing head and the hook assembly; servo drivers; a programmable controller; and the armature windings of the linear motors and the electrical motors that drive the sewing head and the hook assembly being powered by way of said servo drivers which are controlled by the programmable controller.