Joint assembly for connecting bus ducts having unequal numbers o

Details Joint assembly for connecting bus ducts having unequal numbers o Joint assembly for connecting bus ducts having unequal numbers o

1986-08-22

1988-03-01

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

174 71B, 174 72B, 361378, 439210, 439213, H02G 508

Patent

active

047287527

ABSTRACT:
A reducing joint assembly which, when attached at one end thereof to a bus duct having a predetermined number of runs and at the other end thereof to a bus duct having a different number of runs, allows interconnection of these non-matching ducts without undue wasted length or materials. The reducing joint assembly includes one conventional single bolt coupler at each end thereof for each run to be connected at that respective end of the assembly. Connected between the respective single bolt couplers is a single reducer plate for each phase of the bus duct system. Each such reducer plate has tabs at each end, one for each single bolt coupler, so that the reducer plates in effect interconnect with the single bolt coupler in generally the same manner as do the bus plates of each bus duct. The apparatus also includes specialized joint covers for covering the joint thus created to prevent the entry of foreign objects.

REFERENCES:
patent: 3444311 (1969-05-01), Weimer et al.
patent: 3639676 (1972-02-01), Dempsey, Jr. et al.
patent: 3742121 (1973-06-01), Schmidt
patent: 3786394 (1974-01-01), Koenig et al.
patent: 3818417 (1974-06-01), Koenig et al.
patent: 3973818 (1976-08-01), Souenne
patent: 4627680 (1986-12-01), Weimer et al.

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