Patent ID: 9717328
Date: 2017-08-01
CPC Classifications: A47B,F16M

Claim:
1. A desktop device for lifting and lowering a keyboard and monitor, with the desktop device comprising: a bottom base; a vertically-movable stand unit fixed to the bottom base and comprising a securing outer pipe and a vertically-movable inner pipe penetratingly fitted inside the securing outer pipe; a monitor holder and a keyboard supporting plate both being disposed at the vertically-movable inner pipe; a control unit mounted on a lateral side of the keyboard supporting plate to control vertical movement of the vertically-movable inner pipe, wherein the securing outer pipe is erected on and fixed to the bottom base, wherein the monitor holder and the keyboard supporting plate is mounted on the vertically-movable inner pipe from slightly above and below, respectively; a pneumatic rod with an extensible rod which has a terminal end; a gas-releasing pin disposed at the terminal end of the extensible rod, with the pneumatic rod received in the vertically-movable inner pipe, with an upper end of the pneumatic rod pivotally fixed to a vicinity of the upper end of the vertically-movable inner pipe, with the terminal end of the extensible rod connected with a connector pivotally fixed to the bottom base; an admitting hole radially, centrally disposed at the connector; and a control stick disposed in the admitting hole, with the control stick having a terminal end extending outward of the connector to abut against the gas-releasing pin disposed at the terminal end of the extensible rod, with an outer end of the control stick connecting with a control cable, wherein the control unit comprises a holder fixed to an edge of the keyboard supporting plate, and a slide control key slidably mounted on the holder, with the slide control key connected to another end of the control cable, wherein the slide control key is dragged and released to drive the control cable for pulling and releasing the control stick, and wherein the control stick swings up and down and thereby presses on and releases the gas-releasing pin of the pneumatic rod, to control the vertical movement and positioning of the vertically-movable inner pipe.