Abstract: The present invention discloses a fan tray having hot swap fan. The fan tray includes a tray and at least one fan. Among these, the tray includes at least one alignment post, at least one resilient fastener and one end of the connector. The fan includes an alignment hole and another end of the connector. After the alignment post slides into the alignment hole, the resilient fastener fastens the fan. Meanwhile, the end of the connector electrical contacts another end of the connector.

Abstract: An automobile steering lock comprising an elongated tubular member having a central passage extending along an axis there-through, an elongated rod member telescopically movable in the central passage of the tubular member, a hook on the tubular member and a hook or the rod member for engaging opposed portions of a steering wheel, a lock housing for containing a key lock having a bearing to prop up a latch bolt having at least two humps for engaging any two adjacent annular grooves on the rod member to immovably lock the rod member in relation to the tubular member.