The invention is about a synchronous lifting mechanism, with a first inner fixed tube and a second inner fixed tube and that the synchronous lifting mechanism has a synchronizing mechanism, the synchronizing mechanism include a first support of which one end is in clearance fit with the inside of the first inner fixed tube and a second support of which one end is in clearance fit with the inside of the second inner fixed tube.

The invention is about a synchronous lifting mechanism, with a first inner fixed tube and a second inner fixed tube and that the synchronous lifting mechanism has a synchronizing mechanism, the synchronizing mechanism include a first support of which one end is in clearance fit with the inside of the first inner fixed tube and a second support of which one end is in clearance fit with the inside of the second inner fixed tube.

A foldable and height-adjustable table may include a main frame, a foldable frame, and a wheel assembly. The main frame has two side frames which are separated with a distance and parallel with each other. Each of the side frames has a vertical front sleeve and a vertical rear sleeve, and each of top bars horizontally located at a top end of the side frame. A table top has a pivotal side edge pivotally coupled with one of the top bars and an opposed detachable side edge detachably coupled with another top bar. The table top is configured to be coupled on tops of the top bars for use or pivotally turned over to couple at an outer edge of the side frame for store, and the main frame is configured to be folded between the folded position and unfolded position.

A foldable and height-adjustable table may include a main frame, a foldable frame, and a wheel assembly. The main frame has two side frames which are separated with a distance and parallel with each other. Each of the side frames has a vertical front sleeve and a vertical rear sleeve, and each of top bars horizontally located at a top end of the side frame. A table top has a pivotal side edge pivotally coupled with one of the top bars and an opposed detachable side edge detachably coupled with another top bar. The table top is configured to be coupled on tops of the top bars for use or pivotally turned over to couple at an outer edge of the side frame for store, and the main frame is configured to be folded between the folded position and unfolded position.

A height adjustable desk or table comprising a desk or table top, and a frame with spaced apart legs for sup-porting the desk or table top, wherein each of the legs comprises a movable upper portion and a lower stationary portion, and wherein a first cable is guided via first guide means connected with a lower end of the movable upper portion of the first leg via second guide means to a lower end of the lower stationary portion of the second leg, and a second cable is guided via third guide means connected with a lower end of the movable upper portion of the second leg via fourth guide means to a lower end of the lower stationary portion of the first leg, wherein each of the legs comprises a gas spring, and wherein for each gas spring the upper portion of the gas spring is arranged to be up-and-down movable portion of the leg and the lower portion of each gas spring is arranged to be the lower stationary portion of the leg.

A height adjustable desk or table comprising a desk or table top, and a frame with spaced apart legs for sup-porting the desk or table top, wherein each of the legs comprises a movable upper portion and a lower stationary portion, and wherein a first cable is guided via first guide means connected with a lower end of the movable upper portion of the first leg via second guide means to a lower end of the lower stationary portion of the second leg, and a second cable is guided via third guide means connected with a lower end of the movable upper portion of the second leg via fourth guide means to a lower end of the lower stationary portion of the first leg, wherein each of the legs comprises a gas spring, and wherein for each gas spring the upper portion of the gas spring is arranged to be up-and-down movable portion of the leg and the lower portion of each gas spring is arranged to be the lower stationary portion of the leg.

A portable workstation apparatus includes: a pair of collapsible legs; and a work portion that is attached in a removable manner to the pair of collapsible lags via a pair of brackets. Each leg of the pair of collapsible legs includes: a frame; an extension connected to a first end of the frame; a lower post housed within a sleeve; an upper post; a hinge connecting the lower post and the upper post; a first brace connecting the extension to the sleeve; and a plurality of holes on an exterior face of the lower post or the upper post. Each leg is configured to collapse by folding the upper post towards the lower post via the hinge and rotating the extension toward the lower post.

A portable workstation apparatus includes: a pair of collapsible legs; and a work portion that is attached in a removable manner to the pair of collapsible lags via a pair of brackets. Each leg of the pair of collapsible legs includes: a frame; an extension connected to a first end of the frame; a lower post housed within a sleeve; an upper post; a hinge connecting the lower post and the upper post; a first brace connecting the extension to the sleeve; and a plurality of holes on an exterior face of the lower post or the upper post. Each leg is configured to collapse by folding the upper post towards the lower post via the hinge and rotating the extension toward the lower post.

An ergonomically designed space saving, collapsible multi-function travel-friendly modular workstation for supporting a broad range of electronic systems, reading materials and the like for users while standing, sitting or on-the-go, and fits in anywhere, anytime is presented. The workstation comprises a support unit, telescopic rod and tripod and is designed to provide needed cooling and ventilation for electronic systems, support healthy postures, and complete comfort and versatility of a multi-function workstation with all the important things needed when working at a desk, thereby improving a user's comfort when using the workstation. Further, the workstation is designed for easy transportation, storage and set up, as well as provide a versatile workspace for a user in many different environments, for everyday use such as note taking, writing, reading, presentations, performing arts and rehearsing while playing a musical instrument, music or conductor stand, etc.

An embodiment includes a leg height adjustment mechanism that includes a first and second latch arms, a first and second retractors, and an activator. The latch arms each include an engagement structure. The retractors each include a sloped surface and a receiving structure. The receiving structure is engaged with one of the engagement structures of the first or the second latch arms. The first latch arm extends in a first lateral direction and the second latch arm extends a second lateral direction. The second retractor is separated from the first retractor in a second lateral direction that is opposite the first lateral direction. The activator includes angled lower surfaces that are positioned outwardly relative to the sloped surfaces.