Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1998-05-07
2000-05-16
Kincaid, Kristine
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
307112, 307113, 361 13, 361 76, 335 10, 335152, 200206, H01J 500
Patent
active
060640014
ABSTRACT:
Two molded case electrical switches such as circuit breakers, network protectors, disconnect switches and transfer switches, are secured together side-by-side by joining blocks having tongues extending along their sidewalls which engage undercutting grooves undercutting the irregular surfaces of the confronting sidewalls of the switch molded casings with an interference fit. Separate joining blocks for the front and rear sections of the molded casing are driven into place and retained by bolts engaging flanges on the molded casing. The poles are paralleled by external conductors in any desired configuration so that the standard switches can be used without customization.
REFERENCES:
patent: 3936782 (1976-02-01), Moakler et al.
patent: 4021704 (1977-05-01), Norbeck
patent: 4275429 (1981-06-01), Church et al.
patent: 4884047 (1989-11-01), Baginski et al.
patent: 4958135 (1990-09-01), Baginski et al.
patent: 5267117 (1993-11-01), Moore
Jones William J.
Phillips Norman J.
Roth Frank
Ulerich Phillip L.
Eaton Corporation
Kincaid Kristine
Moran Martin J.
Patel Dhiru R
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