Types of Joint:
The usual types of joints in a chain are:
Binary Joint
Ternary Joint
Quaternary Joint
Binary Joint:
If two links are joined at the same connection, it is called a binary joint.
For example, in fig. at joint B
Ternary Joint:
If three links joined at a connection, it is known as a ternary link.
For example point T in fig.
Quaternary Joint:
If four links joined at a connection, it is known as a quaternary link.
For example point Q in fig.
