Let-Off Mechanism, US Patent No. 1463966
Sample pages
Page 1, at reduced quality. Open the document to read every page in full.
US Patent No. 1,463,966, granted Aug. 7, 1923 to Jonas Northrop of Hopedale, Massachusetts, assigned to the Hopedale Manufacturing Company. It describes a let-off and take-back mechanism for looms that keeps warp tension uniform. A whip roll senses changes in tension and moves a shield, which lets either a let-off pawl or a take-back pawl engage ratchet wheels that turn the warp beam through worm gearing. The document has three sheets of drawings (Figs. 1-6) followed by the specification and two claims.
- Type
- Patent
- Date
- August 7, 1923
- Language
- English
- Pages
- 6
(A free account is all you need)
From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
Have missing pages or a better copy of this document, or another document to share? Contributing documents »