H - Electricity – 02 – B
Patent
H - Electricity
02
B
347/37, 211/38
H02B 1/01 (2006.01) A47B 47/03 (2006.01) F16B 12/50 (2006.01)
Patent
CA 2033980
00219-673 GWH:jy ABSTRACT A framework assembly system (particularly intended for the assembly of switchgear cubicle frameworks) comprises vertical and horizontal structural members and corner pieces for the connection of the structural members. The vertical and horizontal members share an identical cross-sectional configuration comprising a square, partial box-section having longitudinal flanges extending along the free edges thereof. The flanges have holes spaced along their lengths. The corner pieces have three identical, orthogonally oriented faces, also provided with holes whose spacing and diameter is the same as those of the structural members. The vertical and horizontal members differ only in the distance from the end of their box-sections at which the flanges terminate, which distances are determined by the dimensions of the box-sections and flanges and the spacing of the holes. The structural members can thus be easily cut to any required length on-site. The system may be assembled using only a single size of nut and bolt, and comprises only three different components which are easily fabricated from pressed steel. The system also allows frameworks to abut one another without interference of bolt-heads or the like.
Lewington Raymond Francis Brian
Neill Kenneth
Fetherstonhaugh & Co.
Square D. Company
LandOfFree
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