Elliptical trammel :
1 Fundamentals and type of mechanisms (17412)
1.Reciprocating engine, Reciprocating compressor;
2. Whitworth quick return mechanism, Rotary engine,
3.Slotted crank mechanism, Oscillatory engine.
4.Hand pump, pendulum pump.
1.Reciprocating engine, Reciprocating compressor link 1 is fixed
2.Whitworth quick return mechanism, Rotary engine link 2 is fixed,
Different mechanism generated by single slider crank chain mechanism.
a) Reciprocating engine, Reciprocating compressor
b) Whitworth quick return mechanism, Rotary engine,
c) Slotted crank mechanism, Oscillatory engine
d) Hand pump, pendulum pump or Bull engine
Kinematic link --Each part of a machine, which moves relative to some other part, is known as a ‘kinematic link (or simply link) or element. Example – any one Example of machine element, (e.g. shaft, spindle, gear, crank, belt, pulley, key etc. )
A freewheel mechanism on a bicycle allows the rear wheel to turn faster than the pedals. If there is no freewheel on a bicycle, a simple ride could be exhausting, because one could never stop pumping the pedals. And going downhill would be downright dangerous, because the pedals would turn on their own, faster than one could keep up with them.