초록 ▼

A telephone equipment rack is made up of a pair of U-shaped frame members, each of which is formed of an integral strip of channel of U-shaped cross section adjustably joined so that either of two frame widths can be obtained with the same frame members. Base plates secured to the sides of the frame

A telephone equipment rack is made up of a pair of U-shaped frame members, each of which is formed of an integral strip of channel of U-shaped cross section adjustably joined so that either of two frame widths can be obtained with the same frame members. Base plates secured to the sides of the frame in perpendicular relation support the frame and resists tipping in either of the two frame widths.

대표청구항 ▼

A rectangular, adjustable size telephone equipment rack comprising, in combination: (a) a first U-shaped frame member formed of an integral strip of metal channel comprising a web and sides of U-shaped cross section and having a first vertical channel-formed side portion joined to horizontally-oppos

A rectangular, adjustable size telephone equipment rack comprising, in combination: (a) a first U-shaped frame member formed of an integral strip of metal channel comprising a web and sides of U-shaped cross section and having a first vertical channel-formed side portion joined to horizontally-opposed channel-formed first top and first bottom portions oriented perpendicular to said first side poriton and with the respective sides of the channel forming said side, top and bottom portions being inwardly directed; (b) a second U-shaped frame member of shape and size mating that of said first frame member and formed of an integral strip of metal channel comprising a web and sides of U-shaped cross section and having a second vertical channel-formed side portion joined to horizontal opposed channel-formed second top and second bottom portions oriented perpendicular to said second side portion and with the respective sides of the channel forming said side, top and bottom portions being inwardly directed; (c) first connector means adjustably securing said first and second top channel portions together; and (d) second connector means adjustably securing said first and second bottom channel portions together, said first and second connector means each being formed of a U-shaped metal channel section with a web and sides nested within the web and sides of each of a pair of selected joined channel portions and adjustably bolt secured to both said joined channel portions and providing at least two positions in which said first and second top and bottom portions may be joined to provide frame width of corresponding different span.