FITTINGS FOR LINE SHAFTS . 1109 dowel formed by one of the shafts projecting a short distance into the second coupling , as shown at a . Such couplings were objection - … Fig . 768 . convenience . If a long shaft is to be dis - connected in the centre it not unfrequently happens that in Order to move either part inch endwise several pulleys , wheels , or collars must be loosened ; the couplings , if placed against the bear - ings , as was often the case , rendered…
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