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PCE
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DIFF Subgroup
E01B 7/02

Tongues; Associated constructions

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Switches; Crossings > Tongues; Associated constructions

CPC:

Switches; Crossings (operating mechanisms B61L) > Tongues; Associated constructions

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • E01B 7/04 Constructions with tongues turning about a vertical pivot at the end IPC+CPC Available in IPC and CPC
  • E01B 7/06 Constructions with flexible tongues or flexible fishplates IPC+CPC Available in IPC and CPC
  • E01B 7/08 Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails IPC+CPC Available in IPC and CPC