Tappet and dobby looms : their mechanism and management (1912)
Roberts, Thomas · Manchester [Greater Manchester] : Emmott & Co., Ltd. · leaf 81
could be utilised for the majority ofweaves produced on the negative tappet loom, some pro- 70 TAPPET AND DOBBY LOOMS vision must be made for the exceptions. There is onegeneral type of such motion which, although constructedin a variety of ways by the several makers, all embodythe same principle.… … Fig. 21. depressed for each pick. The construction of two suchmotions is shown in Figs. 22 and 23. The spring A isemployed for reversing the action of the tappet on theheald shaft. The feature of these motions is the methodof applying the spring through the medium of tumblersor levers to the heald…
Looms
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