CROSSED-CRANK MECHANISM WITH SAFETY STOPS

Description

The lengths of the links comply with the conditions: A͞D=B͞C and A͞B=D͞C. If the small link AD is fixed, the links will rotate in the same direction. The transmission ratio is i₁ₐ=A͞E/D͞E. Point E is the intersection of the axis of link 2 and line AD. At the extreme positions (dead centres), pins a' and b' of link 2 abut against stops a and b of base 4. As a result uncertainty of motion of the mechanism is eliminated.
$642$LW,CC$

Linked items

Mechanisms:	Mécanisme d'un antiparallélogramme à butoirs de sécurité
Documents:	Lever mechanisms [Streambook]

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DMG-Lib		https://www.dmg-lib.org/dmglib/handler?image=16324023
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_16324023.html

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University of the Basque Country
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French Institute for Advanced Mechanics
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University of Cassino

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CROSSED-CRANK MECHANISM WITH SAFETY STOPS

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