Patent ID: 8424705

Claim:
A cover retention mechanism for selectively locking a cover to a base having a central axis, said cover retention mechanism comprising: a base lock having a receptacle coupled to the base and a receiver, said receptacle including a stop member, said receiver forming a chamber, and a cover lock coupled to the cover and having a resiliently flexible locking member, said locking member having a first end and a second end, said first end of said locking member being manually movable with respect to said second end of said locking member, said first end of said locking member including a latch adapted to be located in said receptacle of said base lock when said cover is coupled to said base and said cover is located in a closed position with respect to said base, said cover being not removable from said base by movement of said cover with respect to said base along said central axis when said cover is in the closed position, said cover being selectively movable from the closed position to an open position wherein said cover can be removed from said base by movement of said cover with respect to said base along said central axis by rotating said cover with respect to said base about said central axis, said latch of said cover lock adapted to be located within said chamber of said receiver when said cover is in said open position; whereby when said latch of said locking member is located in said receptacle said latch is adapted to engage said stop member of said base lock to prevent rotation of said cover with respect to said base about said central axis from the closed position to the open position, and whereby said latch can be manually removed from said receptacle of said base lock whereupon said cover can be rotated with respect to said base about said central axis from the closed position to the open position.