Electrical trunking and method of manufacturing the same

Details Electrical trunking and method of manufacturing the same Electrical trunking and method of manufacturing the same

1995-03-16

1997-10-14

Abrams, Neil

Electrical connectors

With conduit or duct

439216, H01R 460

Patent

active

056765576

ABSTRACT:
Manufacture of electrical trunking containing, in a metal enclosure, a set of parallel electrical conductors supported at regular intervals on insulative contact blocks. A single sheet metal blank is bent and crimped to produce a tubular profile with joined edges 27, 28, the conductor assembly 31 is then slid into the tube and each support contact block 30 is centered in a respective branch opening 18 using a tool inserted through the opening. The contact block is clamped against the opening by an elastic expansion device.

REFERENCES:
patent: 1809223 (1931-06-01), Tashjian
patent: 4462650 (1984-07-01), Humphreys
patent: 4508400 (1985-04-01), Herbert
patent: 5336097 (1994-08-01), Williamson et al.

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