Grashof Linkages


A Grashof linkage is a planar four-bar linkage with

s + l < p + q

where

s = length of the shortest link
l = length of longest link
p and q are the lengths of the two remaining links.

For linkages of this type continous relative motion between the shortest link and its adjacent links is possible.

Crank-Rocker

Double Rocker

Rocker-Crank

Crank-Crank


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