×

KEYBOARD FOR A TYPEWRITER

  • US 3,698,532 A
  • Filed: 08/21/1969
  • Issued: 10/17/1972
  • Est. Priority Date: 08/21/1969
  • Status: Expired due to Term
First Claim
Patent Images

1. A typewriter keyboard arrangement for use with a typewriter comprising a plurality of rows of keys, said plurality of rows of keys being separated into two groups by a space divergent towards an operator, the keys in each of said groups being arranged in a plurality of straight lines generally parallel to each other, the keys in each of said groups being located in a single plane, said plane being inclined to the horizontal and sloping upwardly in a direction away from the operator, each of said groups of keys including four horizontal rows with a first row farthest from the operator, a second row nearer to the operator than said first row, a third row nearer to the operator than said second row and a fourth row nearest to the operator, whereby cramping of the operator'"'"''"'"'s hands, fingers and arms is substantially eliminated, first and second elongated typewriter mechanism actuating bars each positioned forwardly of said keys on said keyboard, said first elongated bar extending in a straight line at least part way across the width of said keyboard occupied by one of said groups and parallel to the straight lines of keys in said one group, and adapted to actuate a space mechanism of said typewriter, said second elongated bar extending in a straight line at least part way across the width of the keyboard occupied by the other of said groups and parallel to the straight lines of keys in said other group, and adapted to actuate a carriage return mechanism of said typewriter, whereby the thumbs on each hand of the operator are utilized one to actuate the space mechanism and the other to actuate the carriage return mechanism, three additional elongated typewriter mechanism actuating bars, one located rearwardly of said first group of keys and aDapted to actuate a tabular bar of the typewriter and the other two located rearwardly of the other group of keys and adapted to actuate tabset and tab-clear mechanisms of said typewriter, ones of said plurality of keys adapted respectively to actuate a back space mechanism and a margin release mechanism of said typewriter, said ones of said keys being located one at the outer end of the one of said straight lines of keys forming one of said groups nearest said first elongated bar and the other one at the outer end of the one of said straight lines of keys forming the other of said groups nearest said second elongated bar.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×