G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/023 (2006.01) B41J 5/10 (2006.01) G06F 3/02 (2006.01) H01H 13/84 (2006.01)
Patent
CA 2112402
2112402 9301054 PCTABS00019 An adjustable keyboard (10) for electronic instruments having a pair of demi-boards (12, 14) which are extendable from a retracted, flat position to an extended, tetrahedral position wherein the distal side of one of the demi-boards (12, 14) is located closer to the other demi-board than the proximate side, the first and second demi-board planes intersect with the base plane to form an acute angle, the first and second demi-board planes intersect with each other at an apex intersecting line being in non-parallel alignment with the base plane and the first and second demi-board planes and the base plane intersect at an intersecting point in space on the distal side of the base member. A split spacebar (22, 24) may be actuated by movement about an axis parallel with the longitudinal axis of the demi-boards (12, 14) in either direction from a normal position and also on lateral movement along the said longitudinal axis. Adjustable hand rests (208) are provided which may be raised or lowered with respect to the keyboard (10) and which may be adjusted laterally to adjust the distance between each of a pair of hand contacting surfaces and a line laterally bisecting the keyboard.
Hepworth Allen Bruce
Hoyle Keith William
Rucker Lance Martin
Bull Housser & Tupper Llp
Ergologic Enterprises Inc.
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