Desk with liftable monitor case

Details Desk with liftable monitor case Desk with liftable monitor case

1996-09-06

1998-08-25

Cuomo, Peter M.

Supports: cabinet structure

With movable components

Having power driven means

3122233, 312312, A47B 8800

Patent

active

057976660

ABSTRACT:
A desk selectively used as a reading or computer desk is disclosed. The desk has a liftable monitor case that is movably received in the desk and selectively moves in vertical direction between monitor visible and nonvisible positions. In order to vertically move the above monitor case between the two positions, the desk according to an embodiment has an automatic case lifting device including a motor-driven pantographic link work. In the case lifting device, a movable nut along with a contact bracket engages with the output shaft of a reversible motor and horizontally reciprocates along the shaft by the rotating force of the shaft. The contact bracket horizontally moves between two positions where the bracket comes into contact with limit switches, respectively, to stop the motor. The reversible motor starts to extend or retract the link work when the keyboard drawer is fully drawn out or closed.

REFERENCES:
patent: 2575725 (1951-11-01), McKay
patent: 2861857 (1958-11-01), Lee
patent: 4669789 (1987-06-01), Pemberton
patent: 5242217 (1993-09-01), Gonnet

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