Anatomy of a Quad Roller Skate
by Dave VanBelleghem

This article by Dave vanBelleghem includes an exploded diagram of a quad roller skate with each of its parts labeled.

For those of you that don't know a pivot pin from a speed cone, here's the biggest parts diagram I could find for you. The parts are numbered and correspond to the list beneath the diagram. This is a double action plate quad skate. 1 cushion above and 1 below the truck.

Plate (made of aluminum or plastic like material)
Kingpin (or Kingbolt)
Cushion Retainer (made from aluminum)
Cushion (made of rubber)
Truck
1. Pivot Pin
2. Axle
Action Nut
Pivot Cup (made of rubber)
1. Pivot Cup Hole
Toe Stop (non adjustable bell type)
Toe Stop Bolt
Speed Cone (Washer)
Bearing
Spacer
Wheel
Axle Nut
Heel Brake
1. U-Bolt
2. U-Bolt Mounting Washers and Nuts
Toe Stop Mounting Block
Boot
Laces
Plate Mounting Bolts and Nuts

Anatomy of a Quad Roller Skate by Dave VanBelleghem

Anatomy of a Quad Roller Skate
by Dave VanBelleghem