Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 155
539. EMERY ROTARY PUMP. —Four wings driven by a hollow cylinder revolving eccen-tric to the outer shell. The inner ends of the wingsare guided concentric with the outer shell by pinsmoving in a slot or groove in the shell heads, andkept in position by a toggle-joint connection. … 540. KNOTT ROTARY PUMP.—A hol-low winged cylinder within which an eccentricrevolves on an axis central with the shell, causingthe winged cylinder to wipe the inner surface ofthe shell. The small slotted cylinder makes apacking for the wing.
Mechanical movements
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