Caterpillar makes two coupler styles —one with horizontal locking pins (as used on this 930G VersaLink system) and the other with vertical "wedge lock" pins. This coupler-equipped Volvo L70E poses ...
Parallel motion linkages or push/pull linkages use two fixed pivots to make the input and output travel in the same direction, through a link arm. Each fixed pivot has a moving pivot on either side, ...
A lever is a simple mechanism that uses a bar to pivot around a fixed point called a fulcrum. Levers can be joined together to form linkages. Simple linkages can be used to change the direction of ...