Thomas w stewart biography
Thomas w stewart...
Thomas Stewart of Kalamazoo, Michigan, patented a new type of mop (U.S. patent #499,402) on June 11, 1893.
Thomas w stewart biography
Thomas Stewart had invented a clamping mop that could wring the water out of itself by the use of a lever.
Thomas Stewart - Mop
Patent Abstract:1. A mop-stick, comprising a stick proper, provided with the T-head having the grooved ends, forming one portion of the clamp, the rod having a straight portion forming the other part of the clamp and from thence converging rearwardly to the sides of the stick, a lever to which the free ends of said rod are pivoted, a ring loose on the stick, to which the forked ends of the lever are pivoted, and a spring between said ring and the T-head; substantially as set forth.
2.
The combination of a mopstick provided with a T-head, forming one part of the clamp, a moveable rod forming the other part of the clamp, a lever to which the free ends of said rod are pivoted, said lever being fulcrumed to a moveable