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MULTIPLE-BAR MECHANISM OF A BLOCK BRAKE |
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Ansicht vergrößern
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Beschreibung
Shoes 1 and 3 are pressed against pulley 4 for braking by means of a five-bar linkage ABCDG when link 2 is turned clockwise. Shoes 1 and 3 turn freely about axes E and F, enabling them to become properly aligned with the pulley surface. |
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