Elementary Mechanism: A Textbook for Students of Mechanical Engineering

addendum circle angle angular velocity annular wheel arc of action arc of recess arcs of approach axis base circle belt centre of motion circular arcs clock common normal constant velocity ratio construction cycloid cylinder dead points describing circle directional relation distance draw ellipse epicycloid equal escape wheel evidently face fixed centres flanks gear given groove hence hyperboloids hypocycloid inches instant intersection involute involute system latter least number length line of centres link PQ linkwork logarithmic spiral move number of axes number of teeth obliquity pair parallel pendulum perpendicular piece pinion pitch diameter pitch line plane point of contact position pulleys quit contact rack radial radii radius ratchet-wheel respectively revolution revolutions per minute rolling contact rotation screw shaft shown in Fig sliding contact spiral spur wheel straight line stroke swing-wheel synchronal rotations tangent tion tooth outline train turn