Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 133
ing the pushrod in the cross grooves, also for single-valve rod throwfor four-cycle gas engine. 438. VALVE GEAR for a four-cycle gasengine. The two-thread worm on the en-gine shaft has the middle part of the threadextended to form a cam. The four-partgear, B, revolves by the action of the worm,and… … 439. PLUMB-BOB GOVERNOR for agas engine. The plumb-bob, A, is pivotedin a box attached to the exhaust valve pushrod. The back motion of the push rod pro-duces a forward motion of the bob, acting likea pendulum, and a downward motion of thepick blade, C, bringing it in contact with the valve…
Mechanical movements
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