US Patent No. 62,791, granted March 12, 1867 to John R. Weber of Bourbon, Indiana, for an improvement in looms. It describes a jacquard-controlled automatic loom with a revolving rectangular pattern-bed and a ratchet-pinion and cam mechanism that raises and lowers the shuttle-beds, giving the under or over shuttle movement needed to weave figures. The patent has two drawing sheets, a specification and a single claim.