Horizontally supported planar surfaces – Combined – With heating or air moving means
Patent
1992-05-07
1994-02-22
Chen, Jose V.
Horizontally supported planar surfaces
Combined
With heating or air moving means
3122081, A47B 3500
Patent
active
052878155
ABSTRACT:
A computer workstation for supporting and positioning a computer and/or its video display terminal and its keyboard at optimal ergonometric position with respect to the arms, wrists, fingers, eyes and posture of the user. Keyboard is supported on a keyboard shelf having depending side members from which arm and foot members extend. The workstation has side panels providing leg members on which are racks having two rows of vertically spaced slots. The row of slots nearest the keyboard shelf receive the tips of the side member-mounted arms which can be hooked and captured in channels in the slots in which they are received. The assembly forms a mechanical couple which, under the force of gravity, rotates about the arm member's tips until the foot member bears against an edge presented by the rack. An arm rest extends laterally across the shelf and is attached to the side members of the shelf assembly for translational and rotational motion so as to position the arm and wrist of the user with respect to the keyboard. A terminal may be located on a table behind the keyboard shelf. Within the front edge of the table nearest and facing the user is a transverse pivot rod whose ends extend beyond the sides of the table. The ends of the pivoting rod enter slots in the other row of slots farthest from the keyboard shelf. The opposite end of the table is supported by a belt. A screw feed mechanism lengthens and shortens the belt so as to select the inclination of the table by enabling the table to rotate about the axis of the rod.
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ANSI/HFS 100-1988 (Feb. 4, 1988).
Chen José V.
Kacher Martin Lu
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