1851 Great Exhibition: Official Catalogue: Class VI.: R. Sutcliffe
42. SUTCLIFFE, R., Idle, near Bradford — Inventor.
Patent spinning frame, for spinning and doubling cotton, etc. The dead spindle, or stud C, is fixed to the rail R, and traverses in the rail H. In the top of the stud a cavity is drilled, and in this cavity a small cylindrical spindle, B, revolves. This small spindle is attached to the flyer A, the flyer is drawn by the bobbin F, the bobbin is carried upon a revolving tube D, and the revolving tube is driven by a band from the cylinder. G is the eye of the flyer, which carries the thread. To prevent the small spindle and flyer from being jerked or raised from its place, it is made thicker at the lower end, and a brass cap Z, fitted accurately to the spindle, is screwed on the top of the stud, and thus the spindle is kept securely in its place. In this cap the patent consists. The drag is produced by the friction of the small spindle against the stud, and by the resistance of the atmosphere against the wings of the flyer.
[The objects attained by this process are a high degree of velocity, and a regularity in the tension or drag, so as to produce perfect evenness in the yarn. This frame works with a speed of upwards of 6,000 revolutions per minute.— G. T.]
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