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Class Information
Number: 400/383
Name: Typewriting machines > Type-bar-action mechanism or type-face on type-bar or type-face inker
Description: Subject matter wherein significance is attributed to (a) means for effecting movement of a type-bar* member from its rest (i.e., normal or base) position to its print-point* (i.e., type-face* impacting) position or to the close vicinity of the print-point position, or (b) means for returning a type-bar from its print-point position to its rest position, or (c) structure for enabling such movement or for supporting a type-bar during such movement, or (d) a type-face mounted on or supported by a type-bar, or (e) means for applying ink* to a type-face before the type face is impacted against the record-medium*, or (f) structure that is used in conjunction with a type-bar.


Sub-classes under this class:

Class Number Class Name Patents
400/469 Attachment to type-bar for imprinting extra character 1
400/467 Dust guard for type-bar action mechanism 1
400/408 For bottom-strike typewriter 2
400/415 For top-strike typewriter 1
400/470 Ink-impregnated type-face or inker for type-face 62
400/384 Spring drive for type-bar action 1
400/422 Type-bar action 2
400/456 Type-bar or type-member guide structure 1
400/441 Type-bar pivot support 1
400/435 Type-bar rebound preventer (e.g., via latch, brake, linkage, etc.) 3
400/454 Type-bar rest or rest support 2
400/436 Type-bar return spring connected to type-bar-action linkage 5
400/452 Type-bar structure 1
400/462 Type-member structure 6
400/398 With accelerated (e.g., motion amplifying)type-bar action 1
400/385 With added-motion mechanism for type-bar near print-point 2
400/397 With disconnection of type-bar action during movement thereof 1
400/390 With end-thrust mechanism for type-bar 1
400/394 With type-bar pivot traveling during typing movement of type-bar 1


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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