shackle bar 45 shown in fig9 a lock chain assembly 46 shown in fig1 or a flexible stainless steel or steel cable assembly 48 as shown in fig1 the lock chain assembly 46 comprises end pieces 47 the steel cable assembly 48 comprises body heads 49 in this embodiment all of the locking means 45 46 and 48 are adapted so that the ends 44 47 and 49 are received in the two side holes 35 and 36 into the rotating cam 38 the rotating cam 38 is rotated 180 u00b0 by the key in the lock mechanism and the locking means is locked herein by again rotating the cam 38 by 180 u00b0 the locking means is released from the assembly 30 a second alternate embodiment is illustrated in fig1 to 15 in this embodiment the lock assembly 50 is to be used in connection with a lock chain 52 the lock assembly 50 comprises a generally cylindrical tubular outer body 52 the tubular outer body 52 comprises a rectangular slot 56 with a through hole 58 on the upper and lower prongs 55 and 57 of the rectangular slot 56 the rectangular slot 56 is adapted to receive an end of the lock chain 52 therein the lock chain 52 is fixed in the slot 56 by means of a pin 60 placed in the through hole 58 as shown in fig1 the tubular outer body 52 further comprises a longitudinal bore 62 that is open at an end 61 of.