Pattern Control Mechanism, US Patent No. 1904006
Sample pages
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US Patent 1,904,006, granted 18 April 1933 to Gardiner C. Means of Poughkeepsie, New York, for a pattern control mechanism for looms. It replaces the jacquard card with a photographic or light-and-dark pattern sheet read by a photoelectric cell, whose amplified current varies the field of electromagnets that release heddle-moving armatures. The document has six sheets of drawings (mechanical views and a wiring diagram), the specification, numbered claims, and a certificate of correction dated May 1933.
- Type
- Patent
- Date
- April 18, 1933
- Language
- English
- Pages
- 15
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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