Stewart - Mop
Thomas Stewart of Kalamazoo, Michigan,
patented a new type of mop (U.S. patent #499,402) on June 11, 1893. Thomas
Stewart had invented a clamping mop that could wring the water out of itself
by the use of a lever.
Stewart - Mop
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 support on the stick,
and a spring exerting a resistance against the lever when the latter is
thrown back; substantially as set forth.
Thomas Stewart - Other Inventions
Thomas Stewart co-invented with
William Edward Johnson an improved station and street indicator in 1883.
It was used with railways and street cars to signal what road or street
the vehicles were crossing. Their indicator would automatically activate
a signal by means of a lever on the side of the track.
Thomas Stewart later invented an
improved metal bending machine in 1887 that was able to oscillate.
- Thomas Stewart - metal bending machine
Thomas Stewart and William Edward Johnson - station indicator
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