CHAPTER IV 



LATCHES, LOCKS, AND FASTENINGS 



Typical methods of temporarily retaining, locking, or fastening one movable 

 machine part with reference to another, including detents, snap rings, wire locks, and 

 taper pins. Designs of indexing mechanisms, machine clamping methods and 

 23 examples of door and cover fastenings, all taken from actual designs, are included. 

 A chart for computing bolt stress is given at the end of the chapter. 



Page Page 



Locking Devices 96 Clamping Shoes and Plugs 109 



Retaining and Locking Detents 100 Lock Bolts and Indexing Mechanisms Ill 



Wire Locks and Snap Rings 103 Machine Clamps 115 



Taper-Pin Applications 104 Door and Cover Fastenings 116 



Hinges and Pivots 105 Bolt Diameter, Load, and Stress 119 



95 



