Control, indicating, or safety devices for individual operations or machine elements

Full Title

Control, indicating, or safety devices or systems for composing machines of various kinds or types > Control, indicating, or safety devices for individual operations or machine elements

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS

Subclass:

MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRONIC COMPOSING DEVICES

Child Classifications

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• B41B 27/3 for arresting or varying speed of one operation in response to failure or variation in speed of another operation
• B41B 27/32 for line-justification operations
• B41B 27/38 for measuring length of composed lines; for reading composed characters
• B41B 27/4 for proof-printing operations
• B41B 27/41 Printing mechanisms coupled to typographical composing machines
• B41B 27/42 for controlling selection of shifting of matrix magazines
• B41B 27/44 for controlling assembly of matrices and space bands
• B41B 27/48 for deleting errors or inserting corrections
• B41B 27/5 operated by coupled machines