its a brief introduction to freewheel mechanism,its benefits and its applications..

1. Aim : Study of freewheel mechanism Introduction: A freewheel is a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft .

4. Freewheel 1-freewheel mechanism 2-sprocket 3-teeth 4-central bore 5-free wheel body 6-cylindrical shoulder 8-side plate 9-bolts 10-pawl means 11-pawl spring means 12-pawl teeth 13-internal thread 14-external thread 15-pawl seats 16-bicycle hub 17-clearance hole 18-threaded hole 20-pawl spring groove 21-bias surface 22-pawl tips