Structure of computer keyboard (I)

Details Structure of computer keyboard (I) Structure of computer keyboard (I)

1994-01-24

1995-02-14

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

400 82, 400489, B41J 510

Patent

active

053889215

ABSTRACT:
A computer keyboard includes two symmetrical parts, each consisted of a bottom shell supported on a common base plate above a common bottom plate, and a top shell supported on the respective bottom shell, wherein the bottom shell has inverted T-rods made to slide in respective arched slots on the base plate, a locating block made to slide in a guide groove on the base plate; the base plate has a spring stop strip terminated to a projecting potion engaged into a serrated side wall of the locating block of the bottom shell; a lifting mechanism is connected between the top and bottom shells and controlled to turn the top shell on mounting lugs on the bottom shell permitting the top shell to be moved from a horizontal position to a sloping position or from the sloping position to the horizontal position.

REFERENCES:
patent: 4735520 (1988-04-01), Suzuki et al.
patent: 5067834 (1991-11-01), Szmanda et al.
patent: 5073050 (1991-12-01), Andrews
patent: 5141343 (1992-08-01), Roylance et al.
patent: 5318367 (1994-06-01), Braun et al.

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