Zener barrier

Details Zener barrier Zener barrier

1984-04-02

1987-03-03

Weidenfeld, Gil

Geometrical instruments

339 14R, 339 17R, 339116R, H01R 926

Patent

active

046471413

ABSTRACT:
An intrinsically safe safety barrier for attachment to a standard profiled supporting bar, includes a housing having a narrow shell-shaped housing part with narrow sides and wide sides, one of the wide sides being open, a circuit board disposed in the housing part, terminals disposed in the housing part and connected to the circuit board, a potential-compensating bar disposed in the housing part and connected to the circuit board, casting resin filling the housing part after the circuit board, terminals and potential-compensating bar have been inserted therein, and a cover attached to the housing part closing the open side thereof before the casting resin hardens, one of the narrow sides of the housing part having resilient formed-out portions thereon for snapping the housing part to the standard profiled supporting bar, and a method of producing the same.

REFERENCES:
patent: 3579046 (1971-05-01), Jordan
patent: 4072378 (1978-02-01), Lockbrunner et al.
patent: 4175820 (1979-11-01), Wilmes et al.
patent: 4218724 (1980-08-01), Kaufman
patent: 4268108 (1981-05-01), Debaight

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