Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 259
ears against a roller in con-tact with its exterior surface; such are calledoutside cams (Fig. 171). The roller is con-veniently mounted in the end of the valve-stem and can be in the plane of such valve-stem, or the cam may bear against the endof a pivoted lever which actuates the stem(Fig. 176).… … Fig. 171. CAM AND RELEASE VALVE-GEAR. 205 depended on, or else there must be a roller or yoke oppositeto the first one to bring the rod back with a motion similar
Mechanical engineering · Steam power plants
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