Abstract: An built-up type air-conditioning cushion assembly includes of a plurality of seat cushions, a vent pipe, an induced draft device and a ventilation connecting holder. The seat cushion may be comprised of two symmetrical pads of raising blocks firmly sealed together or made of a plurality of raising blocks. The raising blocks which are respectively connected with one another by means of ventilation channels each is having a cross slot and a center hole respectively made on the top surface, and comprising therein a flanged member and a spring with the flanged member supported by the spring to stop against the center hole. The seat cushions are further connected to the exhaust hole of an air conditioning by means of a vent pipe and an induced draft device, such that air flow from the air conditioning may be stored in the seat cushions to further blow toward the person who rides thereon.

Abstract: A cylinder lock includes a cylindrical housing connected with a circular insert at its bottom to receive therein a movable barrel and a fixed barrel. A plurality of lock pin assemblies are set in a plurality of pin holes vertically through the movable lock barrel to control the connection of the movable lock barrel with the fixed lock barrel by use of the various stepped pins of an authorized key. The stepped pins can be detached from the key for keeping separately.