Group starter panel board
Реферат: 1403933 Switchboards TERASAKI DENKI SANGYO KK 16 March 1973 [16 March 1972 (2)] 12906/73 Heading H1N A group starter panel board comprises a number of electric motor starters each in a casing having rectangular sides and bottom but no top and having a door in front, the casings being stacked one above the other in a framework whose lateral sides are each formed of a support member 14 fixed to the top and bottom of the framework and two frame elements 11a bolted to the support member and top and bottom of the framework. Each frame element 11a is of flanged channel section. Ledges 12 are provided to allow the casings to be slid in and out of position in the framework. Frameworks can be connected together to form a row, when one lateral side with its support member and channel section frame elements will be common to two frameworks. In further embodiments the support member may be of I bar or channel bar.
Panel board structure
Номер патента: US1886466A. Автор: Irving V Cole. Владелец: Individual. Дата публикации: 1932-11-08.