Multi-stage switching apparatus

H - Electricity – 01 – C

Patent

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338/7

H01C 10/10 (2006.01) H01C 1/12 (2006.01) H01H 1/029 (2006.01) H01H 13/12 (2006.01)

Patent

CA 1036681

MULTI-STAGE SWITCHING APPARATUS ABSTRACT OF THE DISCLOSURE A multi-stage switching apparatus adapted to make and break an electrical circuit comprises a first compress- ible body having a resistance which varies inversely accord- ing to its state of compression and a second compressible body having a substantially uniform resistance lower than that of the first body, the two bodies being so arranged that the first body is compressed prior to compression of the second body in response to making of the circuit and is decompressed following decompression of the first body in response to breaking of the circuit.

233353

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