Special design or construction

Full Title

Hammers; Forging machines with hammers or die jaws acting by impact > Special design or construction

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES

Child Classifications

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• B21J 7/04 Power hammers
• B21J 7/06 Drop hammers
• B21J 7/1 with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers
• B21J 7/14 Forging machines working with several hammers
• B21J 7/18 Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging