Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 75
ently to the right to unclutch the wheel which happens to be ingear. A rotation of X then allows the selection of another gearwheel; and when the pedal is released, the spring I pushes theshaft 6 to the left, and through one of the forks U, V, or Woperates one of the clutcheg L, M, N. The spring K… … Fig. 73. being engaged, the handle being definitely locked except when thepedal is depressed. § 55. Tumbler.--Another change gear,^ quite different from theprevious ones, might be noticed. As applied to a lathe, it is shownin Fig. 73, which represents a section through the headstock. Ashort shaft.…
Machinery, Kinematics of
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