Ergonomically designed keyboard
Patent 5017030 Issued on May 21, 1991. Estimated Expiration Date: 
May 21, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 21, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1336151 1492548 1652464 3870738 3929216 Orthogonal input keyboards One-handed keyboard and its control means Keyboard actuable with the aid of the fingers of at least one hand Keyboard actuatable with the aid of the fingers of at least one hand Keyboard arrangement InventorApplicationNo. 882633 filed on 07/07/1986US Classes:400/485, Key-board having multiple-character, multiple-movement keys400/476, For actuating function key only400/489, Key-board including keys grouped to facilitate positioning of typist's fingers400/715Attachment for guiding fingers or hands of typist (e.g., hand rest)ExaminersPrimary: Crowder, Clifford D.Attorney, Agent or FirmForeign Patent References
International ClassB41J 005/10AbstractA keyboard usable on a typewriter or a computer terminal and configured in accordance with ergonomic principles uses chording of one thumb and one finger to type the characters of the English alphabet. The keyboard includes right and left preloaded palm pads which are shaped and contoured to fit the hands. The palm pads support the hands and operate the SHIFT and SHIFT LOCK functions. The punctuation keys are not affected by the SHIFT function. Movement of the writing position or cursor with respect to the medium is controlled by thumb-operated keys which are pushed in the direction of the desired movement.Other References
Field of SearchSAFETY SWITCH OR CONDITION-RESPONSIVE-CUTOFF SWITCH FOR ELECTRICALLY POWERED TYPEWRITERPLURAL-KEY-ACTUATED TYPEWRITER (E.G., PERMUTATIVE KEY-BOARD) KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM For actuating function key only Key-board having multiple-character, multiple-movement keys Key-board including keys grouped to facilitate positioning of typist's fingers Attachment for guiding fingers or hands of typist (e.g., hand rest) | |
