1. (1) Fukuoka, T., Mechanics and Fastening of Bolted Joint (1)-(4), Science of machine (Kikai no kenkyu), Vol. 54, No. 2-5 (2002), pp. 63-69, 65-73, 75-82, 73-80. (in Japanese).
2. (2) Izumi, S., et al., Verification of Anti-Loosening Performance of Super Slit Nut by Finite Element Method, Transaction of the Japan Society of Mechanical Engineers, Series A, Vol. 71, No. 703 (2005), pp. 380-386.
3. (3) Nakawa, M. and Daiki Kogyo KK., 2004, “Locking Nut and Its Manufacturing Method”, Japan Patent (in Japanese) 2004-281712.
4. (4) Daiki Kogyo KK., 2001, “Manufacturing Method of Bolt”, Japan Patent (in Japanese) 2001-252737.
5. (5) Hard Lock Kogyo KK., 1999, “Locking Nut”, Japan Patent (in Japanese) 11-006516.