Types of Joints
By: Dani Patrick, Lilly Kottak, Ariana Ramirez 5th
Ball and Socket Joints
Basketball Hoop
A basketball hoop is similar because when a basketball is thrown in it acts as the ball and the hoop is the socket
Lamp
The lightbulb in the lamp twists around and fits into the lamp shape like a ball and socket
Pencil and Sharpener
A pencil and sharpener is similar to a ball and socket joint because the pencil fits into the hole of the sharpener
Hinge Joints
Trash Bin Lid
A trash lid is like a hinge joint because it it can't go around into a full circle, and it stops at a certain point.
Table Leg
The foldable tables have a bar on the bottom that only goes one way and can't go any further after it's straight.
Door Hinge
A door hinge is similar to the hinge joint because the door can't go in a full 360, only till the hinge is straight. It works like our knees
Pivot Joints
Locker Lock
The lock on a locker is similar to a pivot joint because it can go both left and right on a full circle.
Clock Hands
The clock hands go in a full circle one way automatically and the opposite manually.
Wheel
A wheel can go forward and backwards. It spins like a pivot joint
Gliding Joints
Elevator Door
An elevator door is like a gliding joint because the door glides to open and close the door
Drawer
Each drawer has a glider on the side of it to glide in and out of the shelf.
Paper/Photo Cutter
The paper cutter blades slide left to right or right to left in between the ruler