File:Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861) (14597509919).jpg

Identifier: appletonsdiction02appl (find matches)
Title: Appleton's dictionary of machines, mechanics, engine-work, and engineering
Year: 1861 (1860s)
Authors: Appleton, firm, publishers, New York. (1852, D. Appleton & Co.)
Subjects: Mechanical engineering
Publisher: New York : D. Appleton
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
nted in the several figures above. The following is a description of the accompanying plates. To illustrate more clearly the method of making the Howe stitch by the Wheeler & Wilson Machine,we have exhibited the rotating hook E and the bobbin F, carrying the lower thread detached from themachine. In the subsequent figures the same parts are represented in their proper places combined withthe other parts of the machine, and which are respectively numbered as follows: 1, 1, the Bed Platesupporting 2, 2, the front standards, and 3, 3, the back standards. 4 is the Arbor with its bearings inthe front standards, and upon which are, 5 the Rotating Hook, 6 the Feed Cam, 7 the Band Pulley, 8the Eccentric Ring, and 9 the Spooling Spindle. Moving in grooves in the front standards is 10 the FeedBar; 11, 11, Ears of the feed bar, 12 the Spiral Feed Spring, working between the left front standardand the left ear of the feed bar. 13 the Feed Tongue, slotted in the feed bar, and furnishedwith 14,
Text Appearing After Image:
SEWING MACHINES. 623 Feed Points. 15 is the double convex metallic Bobbin, containing the lower thread, and held in theconcavity of the rotating hook by 16, the Bobbin Ring, mounted upon 17, the Ring Bar, sliding in agroove in the bed plate, and held by 18 the Thumb Screw. 19 is the Fixed Arm, projecting from theback standard, and supporting 20, the Cloth Presser, attached to the Piston in 21, the Piston Cylinder.22 is the Thumb Screw of the cloth presser, 23 the Lever of the cloth presser. 24 is the Needle Rocker,pivoted upon 25, 25, the Centre Screws, 26 the Short Arm of the rocker hinged by 27 to 28 the Con-necting Rod. Upon the rocker is 29 the Needle Arm, bearing 30 the Thread Spool, 31 the Spool Brake, 32the Brake Screw, 33, 33 the Thread Eyelets, 34 the Needle Yoke, 35 the Needle. 36 is the Loop Check,37 the Spool Pin, 38 a spool of Thread, 39 a Thread Guide, 40 a Tension Pulley, 41 volute Tension Spring,42 large S«am Gauge, 43 Gauge Screw, 44 Screw for Small Gauge, 45 the fab

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