Press Release Summary:
A-Lock nut and bolt fastener features all steel construction, cylindrical shape, and uniform thread. Two piece unit uses wedging action of thread's shallow inclines for self locking, eliminating need for additional parts such as lock washers and nylon patches. A-Lock is reusable and may be applied in various environmental conditions. It is certified for vibration resistance as per MIL-STD-810D, Meth 514.3 Proc 1, Cat 4.
Original Press Release:
Unique Self-Locking Fasteners
The patented "A-Lock" nut and bolt is designed to be a self-locking vibration resistant fastener. It can be used in place of conventional nuts and bolts increasing safety and reducing cost.
The all steel construction, cylindrical shape and uniform thread permit easy manufacturing applying conventional methods. The self-contained locking feature eliminates the need for additional parts (lock washers, nylon patches). The A-Lock is reusable and may be applied in various environmental conditions.
This two piece unit uses the wedging action of the threads shallow inclines for self locking. The nut is free to turn until it contacts the clamping parts. Then additional turns engage the
nut's shallow flanks with those on the bolt, wedging them into a locking position.
The A-Lock is covered under patent numbers US5067846 and US6000875, which is part of the design. The patented A-Lock nut and bolt is certified for vibration resistance as per MIL-STD-810D, Meth. 514.3 Proc. 1, Cat. 4.