Loom, US Patent No. 89011
Sample pages
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US Patent No. 89,011, granted April 20, 1869 to Erastus B. Bigelow of Boston for improvements in jacquard power looms, used for weaving multi-ply carpets. It describes a mechanism for raising and lowering the jacquard machine to adjust harness-cord height, a cam-driven system for operating the trap-boards and pattern cylinder, cam-operated journals for the harness, and a ratchet-and-pawl mechanism for shifting shuttle-box series governed by the jacquard. Six sheets of drawings (Figs. 1-7) precede the specification and claims.
- Type
- Patent
- Date
- April 20, 1869
- Language
- English
- Pages
- 9
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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