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Mechanical movements, powers, devices and appliances; (1903)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 254

An illustration from Mechanical movements, powers, devices and appliances;, 1903, leaf 254 — 965. SCROLL GEARING. —For increasing or de-creasing the speed gradually during one revolution. 966. INTERMITTENT ROTARY MOTIONfrom eccentric circular motion. C and D are pinsconcentric with wheel B. The shoulder cam Aruns eccentric to the shaft of B, and catches thepin C or D at every revolution,… … 967. STOP ROLLER MOTION, used inwool-combing machines. The heart-shaped slotB, in the driving disc D, carries a roller stud,giving it a forward, backward, and stop motion.A pin on the back of the disc at e lifts the pawlG (Fig. 968), allowing it to pass over one of thespaces between the notches,…

Mechanical movements

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