Patent ID: 8505344

Claim:
A rotatable lock for a portable electronic device, the lock comprising: a first casing, a second casing, at least two interlocking members, an I-shaped engaging member, a driving member, an elastic member and a lock core; wherein the first casing has a cross-shaped opening on an end, an opening along a direction in the cross-shaped opening further provided with an engaging slot, a connecting section with a smaller cross-sectional area formed adjacent to another end of the first casing, and the connecting section is provided with a through aperture; the second casing has a circular aperture at an end configured to engage with the connecting section of the first casing, a through aperture on a sidewall for accepting a positioning member and configured to align with the through aperture of the first casing, and a plurality of limiting openings at opposite sides of the side wall for engaging with corresponding stoppers on the at least two interlocking members, wherein the lock core is at least partially disposed between the at least two interlocking members, and the at least two interlocking members are disposed in the second casing; the I-shaped engaging member has a first T-shaped engaging end at an end and a second T-shaped engaging end at another end, the second T-shaped engaging end configured to engage with the engaging slot of the cross-shaped opening in the first casing and the first T-shaped engaging end is configured to extend through the cross-shaped opening; the driving member is a disk disposed in the first casing and having at least two parallel engaging pins on one side configured to extend through the cross-shaped opening and a supporting slot on another side; the elastic member is a spring with a predetermined length engaged between the disk of the driving member and the lock core; and the lock core is a depressible tubular lock having a limiting slot adjacent to a first end, the limiting slot configured to align with the through aperture of the first casing, a key hole on a second end, a sliding rod extending from the first end, the sliding rod provided with a protruding end for engaging with the supporting slot of the driving member.