The Invention of the Sewing MachineCooper, Grace Rogers
History
The Invention of the Sewing Machine
Cooper, Grace Rogers
Sewing machines -- History
This was the first American patent for a chainstitch machine. The stitch
was made by an eye-pointed needle carrying the thread through the
fabric; the thread was detained by a hook until the loop was enchained
by the succeeding one. The fabric was held vertically by a baster plate
in a manner similar to the Howe machine. Although not claimed in the
patent description, the Morey and Johnson machine also had a bar device
for stripping the cloth from the needle. This bar had a slight motion
causing a yielding pressure to be exerted on the cloth. Although the
patent was not granted until February 6, 1849, the application had been
filed in April of the previous year. The machine was featured in the
_Scientific American_ on January 27, 1849 (fig. 18):
Morey and Johnson Machine--These machines are very accurately
adjusted in all their parts to work in harmony, without this they
would be of no use. But they are now used in most of the Print
Works and Bleach Works in New England, and especially by the East
Boston Flour Company. It sews about one yard per minute, and we
consider it superior to the London Sewing Machine the specification
of which is in our possession. It [Morey and Johnson] is more
simple--and this is a great deal.... The price of a machine and
right to use $135.[36]
An improvement in the Morey and Johnson machine was patented by Jotham
S. Conant for which he was issued a patent on May 8, 1849. Conant's
machine offered a slight modification of the cloth bar and of the method
of keeping the cloth taut during the stitching operation. No successful
use of it is known.
A second improvement of the Morey and Johnson patent was also issued on
May 8, 1849; this United States patent (No. 6,439) was to John Bachelder
for the first continuous, but intermittent, sewing mechanism. As shown
in the patent model (fig. 19), his clothholder consisted of an endless
belt supported by and running around three or any other suitable number
of cylindrical rollers. A series of pointed wires projected from the
surface of the belt near the edge immediately adjacent to the needle.
The wires could be placed at regular or irregular distances as required.
The shaft of one of the cylindrical rollers, which supported the
endless clothholder, carried a ratchet wheel advanced by the action of a
pawl connected to the end of the crankshaft by a small crankpin, whose
position or distance from the axis of rotation of the shaft could be
adjusted.
[Illustration: Figure 18.--A MOREY AND JOHNSON sewing machine as
illustrated in _Scientific American_, January 27, 1849. (Smithsonian
photo 45771.)]
Public-domain text, read in full here on John Shaqi.
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