US Patent 7568367 Two-way opened strap lock with an indication

A two-way opened strap lock with an indication is a strap lock having a housing and a cover. A mouth at an end of the housing provides for an insertion and locking of push buttons of the cover, an interior of the housing is provided with dials, a tumbler, and an indicator assembly, and the indicator assembly includes a switch and an indicator. By using a key to drive the tumbler to rotate, the indicator can be driven to displace from a first position to a second position, of the housing.