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Class Information
Number: 400/365
Name: Typewriting machines > Having rotated power drive intermittently applied for type-bar actuation
Description: Subject matter wherein mechanical energy is used to turn a shaft, said shaft being the origin of the force needed to perform any of the typing operations in a typewriter, and wherein said shaft is caused to be connected temporarily to a force-transmitting member only when an operation is to be performed, which operation includes the movement of a type-bar* (i.e., having a type-face* element thereon) from a rest position to a print-point* position for imprinting a character* on a record-medium*, or the movement of any element of a typewriter to perform a typing function*.


Sub-classes under this class:

Class Number Class Name Patents
400/368 For repeat-type action 11
400/366 Including jam-release means 3
400/367 Interposed components driven by filter shaft 1
400/370 Via continously rotated power roll 3
400/377 Via limited-rotation clutch 6
400/382 Via reciprocating common actuator 0
400/379 Via spring drive (e.g., spring-driven snatch roll) 0


Patents under this class:

Patent Number Title Of Patent Date Issued
3967715 Intermittent drive system for typewriters Jul. 6, 1976



 
 
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