Abstract: A mounting device includes a trapezoidal plate with a tapered top edge and a bottom edge. A pair of ribs project from the bottom edge. Each of the ribs has a first portion and a second portion, the latter each having an engaging member at its end. The second portions are resilient and separated from the plate. The mounting device also has an attached body attached to a receptacle. The attached body includes a pair of attaching members, each of which has a channel and a guiding path formed in-between the channels. The trapezoidal plate can be inserted into the guiding path of the attached body to engage the same by the engaging members of the ribs.

Abstract: The present invention relates to an extendible rack assembly which comprises at least two bars with linking ends, a connector piece with two forked ends for connecting the two bars by engaging with the linking ends of the bars so as to extend the rack, a plurality of hook members with a mounting base, attached to the bars, which hook members are slideable along the extended bars, so that the user can extend the rack to any length needed and the hook members can slide to any location desired along the rack in practical use.