Model: 053 Contionous Rotary Into Intermittent Motion
Attached to a revolving disk by means of the green arm, is an elbow shaped lever or bell crank (See No. 10). The pawl, attached to this, drives the notched wheel. The desired direction is attained by placing part marked Reverse on right or left of center.
[Virginia Downward & William M. Clark, 1930]

[Editor’s Note: There are similar models of intermittent ratchet mechanisms in the Reuleaux collection, such as models N-12 and N-16. Clark likely copied this model from Figure 155 of the 1868 catalog of mechanical movements by Henry T. Brown. FCM]

Francis Moon 2005-00-00

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