Tappet and dobby looms : their mechanism and management (1912)
Roberts, Thomas · Manchester [Greater Manchester] : Emmott & Co., Ltd. · leaf 78
iven at 10 to 17 on 3, 5, 6, and 7 shafts respectively, forwhich this reversing motion is eminently adapted. Two types of this mechanism are shown. Fig. 20shows in end elevation the arrangement with healdpulleys mounted on a stock to work seven heald shafts.The method of supporting the pulleys is… … Fig. 20. cords. Fig. 20 shows the fifth heald shaft down; andassuming that tha stroke of the healds is 4in., and thatfor the next move this shaft is indicated to lift and thesecond shaft to be drawn down, we will trace the severalmovements which must necessarily take place to effectthis change in…
Looms
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