Duncan, J. (John), d. 1941 · London, MacMillan and co., limited · leaf 577
FIG. 619. —Pitches in a screw wheel. FIG. 620.—Pawl and ratchet wheel. Ratchet wheels. In Fig. 620, a wheel A is to have intermittentmotion to be derived from an arm B which vibrates about the axisof A. A pawl C is pivoted to B, and willengage the teeth of A when B is movinganti-clockwise; the pawl…
Mechanics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
