vents drop in the jack levers thus ensuring a con-tinuous and regular lift at both ends. Moreover, inthis arrangement of dispensing with teeth the num-ber of working parts is reduced, one of the shafts be-ing dispensed with entirely. As a result of this reduc-tion in the wearing parts and the… … selecting mechanism takes with it the link E whichin turn raises the inner jack F. The illustration alsoclearty shows the size of the bearing joints. Another method of obviating the use of teeth isshown in Fig. 3. In this case the dobby is of a differenttj^pe, but it will be noticed that the…
Textile fabrics · Textile industry
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