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Class 400/272 - Including key attachment for case-shift


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein case-shift* is effected by
No. of patents: 6
Last issue date: 09/27/2005


NumberTitleIssue Date
6948868Keyboard structure
A word transcription keyboard utilizing at least one keypad which is available for access by a finger of the user. A second keypad accessible to the finger of the user is extended and terminated in a press pad for allowing contact of the palm region of the hand simu...
09/27/2005
4765764Keyboard
A keyboard for use with a stenographic transcription and translating assembly possessing word processing capabilities having horizontal and vertical groupings of keys indicating the generation of signals characterizing consonant and vowel letters or non-p...
08/23/1988
4720625Function strip attachment
Attachment apparatus for attaching a first object to a second object. The first object has a groove with parallel sides; the second object has attached thereto a spline with a flexible blade. When the spline is inserted in the groove, the blade exerts a f...
01/19/1988
4307970Key extension for shorthand typewriting machine
A shorthand typewriting machine includes a standard keyboard having two rows of upper keys respectively corresponding to consonant characters and an asterisk character all positioned for operation by the fingers, and a lower row of keys respectively corre...
12/29/1981
4272203Apparatus for adapting an office machine to one-handed operation
Apparatus for modifying a key-operated office machine such as a typewriter to adapt the machine to one-handed operation. A depressible bar member is shaped and dimensioned to be operatively positioned below and across the keyboard and a pair of mounting a...
06/09/1981
4123182Cam drive for matrix print heads and the like
In a print head assembly for calculators and the like, the print head is reversibly driven in a print and return direction transversely of the direction of advancement of the recording medium by a drum segment having a cam drive in the form of an endless ...
10/31/1978
 
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