Tripod Joint

Functions of Tripod Joint

Front drive cars transfer the engine power; Engine - Transmission - Differencial gear - Drive shaft - Wheel.
Constant velocity joint being assembled into driveshaft transfers engine power to the shaft at changing angles and axial movement and then to the wheel.

Structure of Tripod Joint

• Spider; Tripod spider transfers the engine power at various angles.
• Ball case; Ball case(Spherical roller) being assembled into housing make stroke actions at various angles inside housing track as wheel rolls.
• Needle rollers; Needle rollers assembled into ball case smoothes spider movement.
• Ring; Ring being assembled into spider groove holds surrounding parts.
• Retainer; Retainer being assembled onto spider holds parts in position.