The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1980
Filed:
Apr. 25, 1979
Jimmie D Scott, Harrison, TN (US);
Tooling and Machine Development, Inc., Chattanooga, TN (US);
Abstract
A tufting machine having belt and pulley drive system for driving the yarn feed rolls and backing fabric feed rollers from the main shaft has rotational speed sensors for determining the rotational speed of the main shaft, the yarn feed rolls, the input shaft to the fabric feed rollers, and the front and rear fabric feed rollers. Each sensor emits a pulse whenever a tooth of a gear on the shaft passes so that a pulse train is generated. The pulse trains are transmitted through selector switch to a speed ratio indicator and to a digital tachometer. The speed ratio indicator displays the ratio of the selected signals so that representations of pile height, density, stitches per inch of backing fabric can be monitored.