Modellgetriebe zum Satz von Roberts (Doppelschwinge; Getriebe A)

Structure of mechanism
Function	Führungsgetriebe zur Erzeugung einer symmetrischen Koppelkurve Ebene umlauffähige Doppelschwinge Das Ersatzgetriebe nach dem Satz von Roberts ist die dargestellte Kurbelschwinge.
Dimension of mechanism	planar
Number of links	4
Drive movement	Rotation
Output movement	Position
Degree of freedom	1
Fundamental mechanism	Link containing mechanism
Number of inputs	1
Number of followers	1
Revolution ability	yes
Revolution ability of input link	no
Relative position between drive and output	parallel

Guidance function
Direction of the path	identical direction
Orientation of output link	symmetrical
Trace of a dedicated point on follower	Closed trace Symmetrical trace
Dimension of mechanism	planar
Input reference	possible
Progress of orientation respecting output link	revolving