Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 699
circular motion from some vibrating piece, is called a ratchet-wheel. In Fig. 3667, Erepresents the ratchet-wheel furnished with teeth shaped like those of a saw ; and A B, the driver, is aclick or paul, jointed atone end A to a movable arm A C, which has vibrating motion upon C as a cen-tre. As A… … wheel through the same space as before, being in all cases pressed against the teeth by its weight orby a spring. A detent D prevents the wheel from receding while B is moving over the teeth; for itis, of course, a condition in tins movement that the ratchet-wheel itself shall either tend always…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.