Patent ID: 7527503

Claim:
An insulative housing for a package with at least one cutout, comprising: a base defining a supporting surface and a mounting surface with a plurality of passageways defined therebetween; and peripheral wall extending from edges of the base, and defining a receiving space together with the base, the peripheral wall having at least one location key moveable from a first position, in which the location key stays outside the receiving space, to a second position, in which a portion of the location key is retained in the receiving space for engaging with the cutout of the package, wherein the location key has a cantilever arm linking with the peripheral wall and a header portion on a rice end of the cantilever arm, and wherein the cantilever arm is capable of deflecting inside, toward the receiving space to bring the header portion at least partially entering in the receiving space and being, wherein the header portion is formed with a wedge portion on a bottom face thereof, the base defines a recess according to the wedge portion, when the header portion enters into the receiving space, the wedge portion drops into the recess and be locked with the recess to keep the location key in the second position, wherein the recess is beside and closer to the contact passageway on the base.