jack-frame
[f. Jack n.1 8 + frame.]
1. The frame in which a jack or winch is fixed.
| 1703 Moxon Mech. Exerc. 41 The Nuts will not draw the Fore and Backsides close.., then the whole Jack Frame will not stand fast and firm together. |
2. Cotton Manuf. A contrivance consisting of a rotating can containing a bobbin, formerly much used for giving a twist to the roving as delivered by the drawing rollers, and simultaneously winding it upon the bobbin. Also called jack-in-a-box.
| 1875 Knight Dict. Mech. s.v., The jack-frame was superseded by the Bobbin and Fly-frame. |