High velocity bobbin sewing system
OwnerTempleton Colum Dean Hancockinventor
Life of this patent
Estimating the term…
Abstract
A thread feeding system for any machine that requires a locking stitch is provided. The lower thread of the lock stitch is delivered from the inside of a rotary hook system or oscillating system of a lock stitch sewing machine. The rotary hook or oscillating hook is held in place by a bearing which is then attached to the chassis of the sewing machine. The rotary hook or oscillating hook is allowed to be driven by teeth on the inner bearing, and they may be located inside or outside, fore or aft to the positioning of the outer bearing. This allows for the void now left inside the rotary hook or oscillating hook where a pipe or tube is placed to feed the lower locking stitch thread.
Claims15
A bobbin system for a sewing machine, the bobbin system comprising:
- an inner bearing;
- a hook configured to rotate or oscillate, formed as part of the inner bearing;
- an outer bearing, attachable to a chassis of the sewing machine and attached to the inner bearing;
- a rolling elements connecting the inner bearing to the outer bearing;
- an interior void traversing the inner bearing, leading to the hook;
- and
- a drive mechanism, connected to the inner bearing.
Dependencies are inferred from the claim text.