Patent ID: 6064001
Filing Date: 2000-05-16
Classification: H01H

Abstract:
Electrical switching apparatus comprising:a pair of side-by-side multipole switching units each including a molded casing with a confronting casing sidewall having an irregular surface including at least one undercutting groove undercutting said irregular surface;a joining block having block sidewalls with irregular surfaces generally complementary to said irregular surfaces on said confronting casing sidewalls and each of said block sidewalls including at least one tongue spaced from and extending generally along said each block sidewall and sized to form an interference fit with said at least one undercutting groove in a facing confronting casing sidewall of said side-by-side multipole switching units as said joining block is driven between and along said confronting casing sidewalls to clamp said molded casings together; anda stop member secured to said molded casings of said pair of multipole switching units preventing said joining block from disengaging from said molded casings.