Power loom that can adjust the speed of the wefts automatically
OwnerShun-Hsing Wanginventor
Life of this patent
Estimating the term…
Abstract
A power loom includes a frame, a plurality of warps, a weft spool, a plurality of wefts, and a speed adjustment device. The speed adjustment device includes a support rack, a rotation shaft, a drive motor, a sensor, a press member, and a press rod. Thus, when the output speed of the wefts is gradually reduced to a preset value, the wefts are tensioned and moved upward, and the press member is moved upward to touch the sensor which sends a signal to actuate the drive motor which increases the rotation speed of the rotation shaft and the weft spool to increase the output speed of the wefts largely so that the wefts can be pulled outward from the weft spool quickly to prevent the wefts from being torn or broken due to an excessive pulling force.
Claims10
A power loom, comprising:
- a frame;
- a plurality of warps mounted on the frame;
- a weft spool located beside the frame;
- a plurality of wefts wound around the weft spool and drawn into the frame to combine with the warps;
- and
- a speed adjustment device connected with the weft spool to adjust a rotation speed of the weft spool so as to adjust an output speed of the wefts;
- wherein the speed adjustment device includes:
- a support rack located beside the frame to support the weft spool;
- a rotation shaft rotatably mounted on the support rack and extended through the weft spool to rotate the weft spool;
- a drive motor mounted on the support rack and connected with the rotation shaft to rotate the rotation shaft;
- a sensor mounted on the support rack and electrically connected with the drive motor;
- a press member pivotally connected with the support rack and movable to pass through the sensor to activate the sensor;
- and
- a press rod mounted on the press member and pressing the wefts to tension the wefts.
Dependencies are inferred from the claim text.