Cotter is fitted in the tapered slot and remains in its position because of wedge action. ... i) It is simple to remove the cotter and dismantle the joint parts. ii) Taper ensures tightness of the joint in operation and it prevents slackening of the parts. Generally the value of taper on cotter is 1 in 48 to 1 in 24.

What taper is provided for cotter?

State its applications. Cotter is fitted in the tapered slot and remains in its position by wedge action.

What is the purpose of using a gib along with a cotter in a cotter joint?

Gib and Cotter joint

To prevent this, Gib is use that hold the ends of the strap together. In addition, the gator provides a larger bearing surface for the cotter to slide as the holding power increases. Thus, the friction of the cotter reduces the tendency to slack back. Gib also enables parallel holes to used.