Patent ID: 8616819

Claim:
A lock system ( 100 ) comprising: (a) a bolt ( 110 ) having a first end ( 111 ) and a second end ( 112 ), wherein a plurality of locking tabs ( 120 ) is disposed along a length of the bolt ( 110 ) spaced a distance apart, a first track ( 130 a ) is disposed along at least a portion of the length of the bolt ( 110 ) from the second end ( 112 ) towards the first end ( 111 ); wherein the bolt ( 110 ) is free of any through slots; (b) an inner nut ( 210 ) having a first end ( 211 ) a second end ( 212 ), and an inner channel ( 218 ), wherein threading ( 220 ) is disposed on an outer surface of the inner nut ( 210 ) and a first mating tab ( 230 ) is disposed in the inner channel ( 218 ), the first mating tab ( 230 a ) slides along the first track ( 130 a ) as the inner nut ( 210 ) slides over the bolt ( 110 ) and the first mating tab ( 230 a ) can slide between a pair of locking tabs ( 120 ) on the bolt ( 110 ) when the inner nut ( 210 ) is rotated in a first direction or a second direction to secure the inner nut ( 210 ) in a position along the length of the bolt ( 110 ); and (c) an outer nut ( 310 ) having an inner channel ( 318 ), wherein threading ( 350 ) is disposed on the inner channel ( 318 ), the outer nut ( 310 ) is adapted to removably thread onto the inner nut ( 210 ); wherein when the bolt head ( 110 ) is in use, the inner nut ( 210 ) is completely enclosed inside the outer nut ( 310 ).