US20170354245A1 - Stand up desk having adjustable heights - Google Patents
Stand up desk having adjustable heights Download PDFInfo
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- US20170354245A1 US20170354245A1 US15/618,644 US201715618644A US2017354245A1 US 20170354245 A1 US20170354245 A1 US 20170354245A1 US 201715618644 A US201715618644 A US 201715618644A US 2017354245 A1 US2017354245 A1 US 2017354245A1
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- United States
- Prior art keywords
- desk
- base
- adjustable stand
- legs
- pair
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/10—Tables with tops of variable height with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
- A47B23/04—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall
- A47B2023/049—Desk stand for laptop computer
Abstract
An adjustable stand up desk includes an upper desk surface and a second desk surface connected to the upper desk surface. The desk further includes a base with at least two channels and a pair of positioning legs configured to sit on an existing desk. A folding leg assembly connects the base to the first desk surface. The folding leg assembly includes a first pair of legs that extends between the first desk surface and the base, and a second pair of legs that extends between the first desk surface and the base. Each leg of the first and second pairs of legs is configured to move within the at least two channels of the base, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully raised position.
Description
- This application claims priority from U.S. Provisional Application Ser. No. 62/348,540, entitled Stand Up Desk Having Adjustable Heights, filed Jun. 10, 2016.
- Our invention relates generally to a stand up desk that is adjustable to variable heights. More specifically, our invention relates to an adjustable stand up desk that provides a user with an ergonomic work environment and thereby improves health of a user.
- Sitting for long periods of time can negatively impact a person's health. In fact, medical studies suggest that the more a person sits each day, the greater is their risk for chronic health problems, such as cancer, diabetes, and heart disease. Thus, office jobs that require long periods of sitting may be hazardous to a person's health due to inactivity and low levels of energy expenditure.
- Allowing office workers or other “desk-bound” persons to stand for periods of time during the workday is one way to address these concerns. Standing at a desk, however, imposes costs and concerns, such as the need for a separate standing desk or replacing a sitting desk with a standing desk. As used herein, the term “standing desk” relates to a desk that a user would stand up to use, while the term “sitting desk” refers to a desk that a user would use while sitting down. One possible solution to these problems is to provide a variable height desk or surface that may be placed on an existing sitting desk. Current variable height desks, however, are bulky and heavy because of their elaborate height adjustment mechanisms. As used herein, the term “variable height desk” refers to a desk that is capable of being adjusted to various heights. In addition, the height adjustment mechanisms of these variable height desks often cause the desk to swing forward (towards the user and into the user's workspace) when being adjusted vertically in height, as opposed to moving directly upward in a vertical plane. This forward movement of the variable height desk causes the desk to intrude on the person's workspace. In the case of a cubicle worker, the amount of workspace is already quite limited. Thus, these current variable height desks are generally not feasible for many workers or workspace environments, while also lacking portability and ease in storage when not in use. Current variable height desks can also be difficult to adjust in height. Moreover, current variable height desks may not collapse into a flat or a low-profile configuration or a position that allows for a person to also use the desk in a seated position.
- According to one aspect, our invention provides an adjustable stand up desk that includes a first desk surface and a second desk surface connected to the first desk surface. The desk further includes a base with at least two channels and a pair of positioning legs that is configured to sit on an existing desk. A folding leg assembly connects the base to at least the first desk surface. The folding leg assembly includes a first pair of legs that extends between the first desk surface and the base, and a second pair of legs that extends between the first desk surface and the base. Each leg of the first and second pairs of legs is configured to slide within the at least two channels of the base, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully extended position. In one embodiment, the adjustable stand up desk can also be adjusted to a partially extended position.
- According to another aspect, our invention provides an adjustable stand up desk that includes a first desk surface and a second desk surface connected to the first desk surface. The desk further includes a base with at least two channels and a pair of positioning legs that is configured to sit on an existing desk. A folding leg assembly connects the base to at least the first desk surface. The folding leg assembly includes a first pair of legs that extends between the first desk surface and the base, and a second pair of legs that extends between the first desk surface and the base. Each leg of the first and second pairs of legs is configured to slide within the at least two channels of the base, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully extended position. The desk further includes a gas spring assembly that is configured to provide a controlled adjustment of the desk from at least the closed position to the fully extended position, and an operable handle and a handle assembly that are configured to engage with the gas spring assembly to assist in the adjusting of the desk from at least the closed position to the fully extended position. In one embodiment, the adjustable stand up desk can also be adjusted to a partially extended position.
- Other aspects and advantages of the present invention will become apparent upon consideration of the following detailed description.
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FIG. 1A is a top perspective view of an adjustable stand up desk in a fully extended position, according to one embodiment of the invention. -
FIG. 1B is a top perspective view of the adjustable stand up desk shown inFIG. 1A , showing the desk in use in a workspace environment according to one embodiment of the invention. -
FIG. 2 is a front view of the adjustable stand up desk shown inFIG. 1A in the fully extended position. -
FIG. 3 is a back view of the adjustable stand up desk shown inFIG. 1A in the fully extended position. -
FIG. 4 is a right side view of the adjustable stand up desk shown inFIG. 1A in the fully extended position. -
FIG. 5 is a left side view of the adjustable stand up desk shown inFIG. 1A in the fully extended position. -
FIG. 6 is top view of the adjustable stand up desk shown inFIG. 1A . -
FIG. 7 is a bottom view of the adjustable stand up desk shown inFIG. 1A . -
FIG. 8 is a bottom perspective view of the adjustable stand up desk shown inFIG. 1A , showing the underside of the desk. -
FIG. 9 is a top perspective view of an adjustable stand up desk in a partially extended position, according to one embodiment of the invention. -
FIG. 10 is a front view of the adjustable stand up desk shown inFIG. 9 in the partially extended position. -
FIG. 11 is a back view of the adjustable stand up desk shown inFIG. 9 in the partially extended position. -
FIG. 12 is a bottom perspective view of the adjustable stand up desk shown inFIG. 9 , showing the underside of the desk. -
FIG. 13 is a top side perspective view of an adjustable stand up desk in a closed position, according to one embodiment of the invention. -
FIG. 14 is a front view of the adjustable stand up desk shown inFIG. 13 in the closed position. -
FIG. 15 is a back view of the adjustable stand up desk shown inFIG. 13 in the closed position. -
FIG. 16 is a partial, bottom perspective view of the adjustable stand up desk shown inFIG. 13 , showing the underside of the desk. -
FIG. 17 is a partial, bottom perspective view of a locking mechanism of the adjustable stand up desk, according to one embodiment of the invention. -
FIG. 18 is a partial, bottom perspective view of the locking mechanism shown inFIG. 17 in a locked position. -
FIG. 19 is a partial, bottom perspective view of a handle assembly of the adjustable stand up desk, according to one embodiment of the invention. -
FIGS. 20A and 20B are partial, side perspective views of the handle assembly shown inFIG. 19 in a lowered position and a raised position, respectively. -
FIGS. 21A and 21B are partial, bottom perspective views of the handle assembly shown inFIG. 19 in a lowered position and a raised position, respectively. - Our invention relates to a stand up desk that is adjustable to variable heights. In particular, our invention relates to an adjustable stand up desk that can be placed on an existing sitting desk, table, or other flat surface. The adjustable stand up desk may be adjusted from a flat or a low-profile configuration to varying heights to accommodate workers and workspaces of various sizes. Moreover, our invention relates to an adjustable stand up desk that offers ease in height adjustment, portability, and storage, while also providing a user with an ergonomic work environment in order to improve health of a user.
- Turning now to the drawings,
FIG. 1A illustrates one embodiment of an adjustable stand updesk 100 according to the invention, in which the adjustable stand updesk 100 is in a fully extended position. As shown inFIG. 1A , the adjustable stand updesk 100 includes afirst desk surface 10, asecond desk surface 20, afolding leg assembly 15, and abase 30. In the embodiment ofFIG. 1A , thebase 30 comprises a plurality offrame members rear frame member 30A including achannel 32A and a second orfront frame member 30B also including achannel 32B (see, e.g.,FIG. 8 ). Thesechannels folding leg assembly 15, which will be described in further detail below. The base 30 also includes aconnection member 56 that connects at least thefirst frame member 30A to thesecond frame member 30B. Thebase 30 of the adjustable stand updesk 100 further includes one ormore positioning legs frame members 30A-30D. Thepositioning legs desk 100 onto a flat surface, such as a desk or tabletop. For example, in one embodiment, such as the one shown inFIG. 1B , the adjustable stand updesk 100 is positioned on top of a sittingdesk 1000, with acomputer display monitor 1050 placed on top of thefirst desk surface 10, and akeyboard 1060 and amouse 1080 placed on top of thesecond desk surface 20. Thus, according to one aspect of the invention, the adjustable stand updesk 100 is configured to be easily placed on top of an existing sitting desk, with thefirst desk surface 10 being generally used for the placement of one or more computer display monitors and/or laptop computers, and thesecond desk surface 20 being generally used for the placement of one or more computer keyboards, mouse, and/or other input devices. - As also shown in
FIGS. 1A, 2, 3, and 8 , thefirst desk surface 10 includes a frame system 12 that attaches to the bottom surface of thefirst desk surface 10 and extends below thefirst desk surface 10. The frame system 12 includes a plurality offrame members first frame member 12A providing a channel 77A, and asecond frame member 12B providing a channel 77B (see, e.g.,FIG. 8 ). These channels 77A, 77B are configured for guiding one or more wheels of thefolding leg assembly 15, which will be described in more detail below. The frame system 12 also includes atransverse connection member 76 that connects at least thefirst frame member 12A to thesecond frame member 12B. The frame system 12 also allows for connection of thefirst desk surface 10 to thesecond desk surface 20. In particular, as shown inFIGS. 1A, 4, and 5 , thefirst desk surface 10 is connected to thesecond desk surface 20 by one or morevertical brackets vertical brackets frame member 12C or 12D of the frame system 12 and one side of thesecond desk surface 20. In one embodiment, such as the one shown inFIGS. 4 and 5 , thevertical brackets respective frame member 12C, 12D of the frame system 12 by one or more nails or screws 72, 74. Thevertical brackets second desk surface 20 by any type of attachment element or mechanism (e.g., screws, nails, bolts, pins, glue, epoxy, etc.). - As also shown in
FIGS. 1A-6 , thesecond desk surface 20 includes afirst handle 25A on one side of thesecond desk surface 20 and asecond handle 25B on the other side of the second desk surface 20 (see, e.g.,FIG. 6 ). The first andsecond handles desk 100. As also shown inFIGS. 1A and 4 , anoperable handle 80 is provided below thesecond handle 25B of thesecond desk surface 20. Theoperable handle 80 is connected to arod 82 with first and second ends 84, 86, and ahandle assembly 85 that functions in accordance with movement of theoperable handle 80. The functioning of theoperable handle 80 and thehandle assembly 85 will be described in more detail below, with regards toFIGS. 19-21B . Although in the embodiment ofFIGS. 1A and 4 , theoperable handle 80 is provided below thesecond handle 25B of thesecond desk surface 20, theoperable handle 80 can be provided below one or both of the first andsecond handles second desk surface 20. - One embodiment of the
folding leg assembly 15 will now be described with reference toFIGS. 1A-5, 7, and 8 . As shown inFIGS. 1A-5, 7, and 8 , thefolding leg assembly 15 includes a first pair oflegs legs center bar 52 that connects each of thelegs legs legs first desk surface 10 and thebase 30. In particular, as shown inFIGS. 1A and 8 , a first end of each leg of the first pair oflegs first leg bar 60A, while a second end of each leg of the first pair oflegs second leg bar 60B. Thefirst leg bar 60A includes a pair ofwheels first wheel 61A of the pair ofwheels channel 32A provided by thefirst frame member 30A of thebase 30, and asecond wheel 61B of the pair ofwheels channel 32B provided by thesecond frame member 30B of thebase 30. Thesecond leg bar 60B includes a pair ofwheels 63A, 63B, with a first wheel 63A of the pair ofwheels 63A, 63B configured to roll within the channel 77A provided by thefirst frame member 12A of the frame system 12, and asecond wheel 63B of the pair ofwheels 63A, 63B configured to roll within the channel 77B provided by thesecond frame member 12B of the frame system 12. As shown inFIGS. 1A and 8 , a first end of each leg of the second pair oflegs third leg bar 62A, while a second end of each leg of the second pair oflegs fourth leg bar 62B. Thethird leg bar 62A includes a pair ofwheels 66A, 66B, with a first wheel 66A (not shown) of the pair ofwheels 66A, 66B configured to roll within thechannel 32A provided by thefirst bracket 30A of thebase 30, and asecond wheel 66B of the pair ofwheels 66A, 66B configured to roll within thechannel 32B provided by thesecond bracket 30B of thebase 30. Thefourth leg bar 62B includes a pair ofwheels first wheel 67A of the pair ofwheels first frame member 12A of the frame system 12, and asecond wheel 67B of the pair ofwheels second frame member 12B of the frame system 12. - As also shown in
FIGS. 1A-3 , a plurality of stabilizingstruts 55A-55D and 57A-57D is provided, with each of the stabilizing struts 55A-55B and 57A-57D connecting to at least one of the legs of the first and second pairs oflegs FIGS. 1A and 2 , a first stabilizing strut 55 a connects to (i) afirst leg 50A of the first pair oflegs connection member 56 of thebase 30, while a second stabilizingstrut 57A connects to (i) afirst leg 51A of the second pair oflegs connection member 56 of thebase 30. The first and second stabilizingstruts connection member 56 of thebase 30 via apivotal connection point 65A, while at least the second stabilizingstrut 57A is connected to thefirst leg 51A of the second pair oflegs pivotal connection point 54A. As shown inFIGS. 1A and 3 , a third stabilizingstrut 55B connects to (i) asecond leg 50B of the first pair oflegs connection member 56 of thebase 30, while afourth strut 57B connects to (i) asecond leg 51B of the second pair oflegs connection member 56 of thebase 30. The third and fourth stabilizingstruts connection member 56 of thebase 30 via a pivotal connection point (not shown), while at least the fourth stabilizingstrut 57B is connected to thesecond leg 51B of the second pair oflegs FIG. 2 , a fifth stabilizing strut 55C connects to (i) thefirst leg 50A of the first pair oflegs connection member 76 of the frame system 12, while a sixth stabilizingstrut 57C connects to (i) thefirst leg 51A of the second pair oflegs connection member 76 of the frame system 12. As shown inFIG. 8 , the fifth and sixth stabilizingstruts 55C, 57C are connected to theconnection member 76 of the frame system 12 via apivotal connection point 65B, while at least the sixth stabilizingstrut 57C is connected to thefirst leg 51A of the second pair oflegs pivotal connection point 54B. Moreover, as shown inFIG. 3 , a seventh stabilizingstrut 55D connects to thesecond leg 50B of the first pair oflegs connection member 76 of the frame system 12, while an eighth stabilizingstrut 57D connects to thesecond leg 51B of the second pair oflegs connection member 76 of the frame system 12. As shown inFIG. 8 , the seventh and eighth stabilizingstruts connection member 76 of the frame system 12 via a pivotal connection point 65C, while at least the eighth stabilizingstrut 57D is connected to thesecond leg 51B of the second pair oflegs pivotal connection point 54D. - The
folding leg assembly 15 of the embodiment shown inFIGS. 1A-5, 7, and 8 allows for the adjustable stand updesk 100 to be adjusted between at least a fully extended position (see, e.g.,FIGS. 1A-5, 7, and 8 ), a partially extended position (see, e.g.,FIGS. 9-12 ), and a closed or locked position (see, e.g.,FIGS. 13-16 ), as well as any height in between the closed position and the fully extended position. For example, as shown inFIGS. 1A and 2 , the adjustable stand updesk 100 is in the fully extended position when thefirst desk surface 10 extends a distance H1 from thebase 30, with the distance H1 being the maximum distance that thefirst desk surface 10 can extend away from thebase 30. As shown inFIGS. 9 and 10 , the adjustable stand updesk 100 is in the partially extended position when thefirst desk surface 10 extends a distance H2 from thebase 30, with the distance H2 being the less than the distance H1. As shown inFIGS. 13 and 14 , the adjustable stand updesk 100 is in the closed position when thefirst desk surface 10 extends a distance H3 from thebase 30, with the distance H3 being the minimum distance that thefirst desk surface 10 can extend away from thebase 30. In one embodiment, in the closed position (see, e.g.,FIGS. 15 and 18 ), the adjustable stand updesk 100 can be locked through a locking mechanism. In one embodiment, as shown inFIGS. 17 and 18 , the locking mechanism comprises a locking pin or screw 90 that engages with (i) an opening (not shown) provided in an outer surface of thefirst frame member 30A of thebase 30, and (ii) anopening 59 provided within a lockingbracket 58 that is attached to thesecond frame member 12B of the frame system 12. As shown inFIGS. 17 and 18 , when the adjustable stand updesk 100 is shifted into the closed position, theopening 59 of the lockingbracket 58 lines up with the opening of thefirst frame member 30A of thebase 30, such that the locking pin or screw 90 can engage with theopening 59 of the lockingbracket 58. This engagement of the locking pin or screw 90 with theopening 59 of the lockingbracket 58 allows for thefolding leg assembly 15 and the adjustable stand updesk 100 to be locked into place when the adjustable stand updesk 100 is in the closed position (see, e.g.,FIG. 15 ). - The
folding leg assembly 15 adjusts the stand updesk 100 from the fully extended position to the closed position by shifting thelegs folding leg assembly 15 from a fully extended position (see, e.g.,FIGS. 1A-3 and 8 ) to a collapsed and folded position (see, e.g.,FIGS. 13-16 ). For example,FIG. 8 is a bottom perspective view of the underside of the adjustable stand updesk 100 in a fully extended position. As shown inFIG. 8 , each of thelegs second leg bar 60B and pair ofwheels 63A, 63B positioned within a central region of each of the channels 77A, 77B provided by the first andsecond frame members fourth leg bar 62B and pair ofwheels second frame members FIG. 8 , thefirst leg bar 60A and pair ofwheels channels second frame members base 30, and thethird leg bar 62A and pair ofwheels 66A, 66B are also positioned within a central region of each of thechannels second frame members base 30. As the adjustable stand updesk 100 is shifted from the fully extended position of, for example, the embodiment shown inFIG. 8 , to the partially extended position of, for example, that shown inFIGS. 9-12 , and/or the closed position of, for example, that shown inFIGS. 13-16 , each of thewheels desk 100 and towards a respective side of the desk 100 (see, e.g., arrows A ofFIG. 12 ). In contrast, as the adjustable stand updesk 100 is shifted from the closed position of, for example, the embodiment shown inFIGS. 13-16 , to the partially extended position of, for example, that shown inFIGS. 9-12 , and/or the fully extended position of, for example, that shown inFIGS. 1A-3 and 8 , each of thewheels desk 100 and away from a respective side of the desk 100 (see, e.g., arrows B ofFIG. 12 ). Moreover, as thewheels respective wheels respective legs FIGS. 13-16 ), (ii) a partially extended position (see, e.g.,FIGS. 9-12 ), or (ii) an open or fully extended position (see, e.g.,FIGS. 1A-3 and 8 ). - As discussed above, the
folding leg assembly 15 adjusts the stand updesk 100 from a fully extended position to a closed position by shifting thelegs folding leg assembly 15 from a fully extended position to a collapsed and folded position. The movement and configuration of thefolding leg assembly 15 allows for the adjustable stand updesk 100 to be adjusted from the closed position to the fully extended position in a directly vertical manner, such that thefirst desk surface 10 and/or thesecond desk surface 20 do not swing toward and/or away from the user during the adjusting of the stand-updesk 100. This configuration of the adjustable stand updesk 100 allows for minimal space to be needed to adjust thedesk 100 from the closed position to the fully extended position. Moreover, the adjustable stand updesk 100 does not intrude into the workspace of the user during and after the adjusting of the height of the stand-updesk 100. Accordingly, this direct vertical adjustment of the stand-updesk 100 allows for thedesk 100 to be effectively used in many types of work environments, including, for example, cubicle work units. - In one embodiment, as shown in
FIGS. 7 and 8 , thefolding leg assembly 15 is connected to a commercially availablegas spring assembly 200, such as a lockable gas spring, type RLE from Lesjofors Springs and Pressings, to provide a controlled adjustment of the height of the stand-updesk 100. Thegas spring assembly 200 is connected to ahandle assembly 85, which in turn is connected to a manuallyoperable handle 80. Accordingly, operation of thehandle 80 and handleassembly 85, which will be described in further detail below, can control the position of an internal valve between abi-chambered cylinder 220 to allow apush rod 210 to be extended or retracted relative to the cylinder. When the valve is in the closed position, thepush rod 210 is locked relative to the cylinder and when the valve is open, fluid can flow between the internal chambers and the push rod can be extended or retracted.Handle 80 and handleassembly 85 control the position of the valve to control the movement of the adjustable stand updesk 100 and set thedesk 100 at a desired height. For example, in one embodiment, thegas spring assembly 200 comprises aspring mechanism 201, apush rod 210, and agas cylinder 220. In one embodiment, the gas of thegas cylinder 220 comprises air however, the cylinder may work with other fluids. As shown inFIGS. 7, 8, 12, and 16 , during height adjustment of thedesk 100, thegas cylinder 220 is mounted beneath the underside of thefirst desk surface 10. In one embodiment, thespring mechanism 201 is connected to thesecond leg bar 60B via a connectingmember 201A, while thegas cylinder 220 is connected to thefourth leg bar 62B thus as the stand updesk 100 is adjusted from a closed position to a fully extended position, or vice versa the distance betweensecond leg bar 60B andfourth leg bar 62B varies, such thatpushrod 210 and a connected to a piston (not shown) that slides within thegas cylinder 220 must move relative to the cylinder. The movement of the piston increases or decreases pressure that is created within a chamber in thegas cylinder 220. Thepush rod 210 is also connected to thespring mechanism 201, such that energy created by thespring mechanism 201 can be dampened by the piston and/orgas cylinder 220. In one embodiment, thespring mechanism 201 is connected to thesecond leg bar 60B via a connectingmember 201A, while thegas cylinder 220 is connected to thefourth leg bar 62B. Accordingly, the movement of thewheels spring mechanism 201 and movement of thegas cylinder 220. In one embodiment, thespring mechanism 201 is fully extended when the adjustable stand updesk 100 is in the closed position (see, e.g.,FIG. 16 ). In this fully extended position, thespring mechanism 201 is charged because energy is being stored by thespring mechanism 201. This stored energy of the fullyextended spring mechanism 201 can provide the force needed to lift the adjustable stand up desk from the closed position to the fully extended position. This force, however, is dampened by the movement of the piston within thegas cylinder 220, as thegas cylinder 220 and pushrod 210 extend or retract, such that the stored energy from the fullyextended spring mechanism 201 is released in a controlled and gradual manner. By allowing for this controlled release of the stored energy created by thespring mechanism 201, the height of the stand-updesk 100 can also be adjusted in a controlled manner. In this embodiment, once the adjustable stand updesk 100 is set to the partially or fully extended position, thespring mechanism 201 will be compressed, which will release some or all of the stored energy. Thus, the user will need to provide force to shift the adjustable stand updesk 100 back to the closed position, which in turn will fully extend thespring mechanism 201 and charge thespring mechanism 201 with energy again. Thespring mechanism 201 can comprise a coil or helical spring, a tension or extension spring, a torsion spring, and/or a compression spring. - In the illustrated embodiment, the
gas spring assembly 200 is connected to thehandle assembly 85, which in turn is connected to theoperable handle 80. Accordingly, operation of thehandle 80 and handleassembly 85, which will be described in further detail below, can actuate or control position of the valve withincylinder 220, such that the release of thehandle 80 can stop the movement of the adjustable stand updesk 100 and set thedesk 100 at a desired height. For example, in the embodiment ofFIGS. 4 and 19-21B , theoperable handle 80 is connected to arotatable rod 82 having afirst end 84 and a second end 86. Thefirst end 84 of therod 82 is connected to either a side of thesecond desk surface 20 or a portion of thevertical bracket 70A, while the second end 86 of therod 82 is connected to a portion of thevertical bracket 70A. Therod 82 is further connected to thehandle assembly 85. Thehandle assembly 85 includes a hingingmember 300, a biasingmember 310, arod member 320, and anattachment structure 330. The hingingmember 300 includes afirst portion 300A, asecond portion 300B, and athird portion 300C that connects to therod member 320. Thefirst portion 300A of the hingingmember 300 is connected at (i) a first end to therotatable rod 82 and (ii) a second end to thesecond portion 300B via apivot point 301. Thesecond portion 300B of the hinging member is connected at (i) a first end to thefirst portion 300A via thepivot point 301 and (ii) a second end to thethird portion 300C via apivot point 302. Thethird portion 300C is connected to therod member 320, which rotates within theattachment structure 330. Theattachment structure 330 attaches thehandle assembly 85 to thevertical bracket 70A. As the user operates thehandle 80 and shifts thehandle 80 from a downward position (see, e.g.,FIG. 20A ) to an upward position (see, e.g.,FIG. 20B ), therotatable rod 82 is rotated, which in turn shifts the hingingmember 300 upwardly. The movement of the hingingmember 300 upwardly also shifts the first, second, andthird portions third portion 300C presses against the biasingmember 310 and biases the biasingmember 310 upwardly (see, e.g.,FIG. 21B ). The biasingmember 310 is configured to interact with thegas spring assembly 200 such as by engaging a push pin controlling the position of the internal valve, such that movement of the biasingmember 310 can cause thegas cylinder 220 to unlock thepush rod 210 and allows for the controlled adjustment in height of the adjustable stand updesk 100. Accordingly, as a user presses up on theoperable handle 80, the stand updesk 100 can be adjusted between the closed position and the fully extended position, or vice versa. Once the user releases theoperable handle 80, therotatable rod 82 returns the hingingmember 300 to the downward position, which in turn causes thethird portion 300C to stop pressing on the biasingmember 310 and return the biasingmember 310 to its original position (see, e.g.,FIG. 21A ). This return of the biasingmember 310 returns thepush rod 210 andcylinder 220 to their locked condition, such that the movement or adjustment in the height of the adjustable stand updesk 100 can be prevented. Accordingly, the adjustable stand updesk 100 can be set at a desired height by release of theoperable handle 80. It is to be understood that releasably locking gas springs are well known and any compatible gas spring may be used. - Illustrative materials that can be used to form the various components of the adjustable stand up
desk 100 discussed above include, for example, wood, particleboard, medium-density fiberboard (MDF), thermofoil, metal (such as, for example, steel or aluminum), non-metallic materials, plastics, rubber, and combinations thereof In one embodiment, various components of the adjustable stand updesk 100 comprise aluminum, which is a lighter weight metal, and, thus, reduces the weight of thedesk 100. In another embodiment, various components of the adjustable stand updesk 100 comprise steel, which is generally lower in cost and provides a higher strength than aluminum. Those skilled in the art will recognize that a wide variety of other materials may also be used to form the various components of the adjustable stand updesk 100. Moreover, the thickness of the various components of the adjustable stand updesk 100 discussed above including, for example, the first and second desk surfaces 10, 20 will depend on the material used and the amount of stiffness desired, among other factors. In addition, in one embodiment, at least one of thefirst desk surface 10 and thesecond desk surface 20 may include a protective cover (not shown) that minimizes damage to a top surface of the first and/orsecond desk surface - The various components of the adjustable stand up
desk 100 discussed above, including, for example, the various frame members, brackets, rods, wheels, and connecting members can be attached to other components of thedesk 100 via welding, brazing, or other affixing methods, including, for example, nails, screws, bolts, pins, glues, and/or other epoxies. - Although the embodiments of the adjustable stand up
desk 100 discussed above include first and second desk surfaces 10, 20 that are rectangular in shape, the first and second desk surfaces 10, 20 may be fabricated in other shapes, including, for example, round, square, or oval. In addition, it should be noted that, although the adjustable stand updesk 100 described herein includes first and second desk surfaces 10, 20, other embodiments of the adjustable stand updesk 100 can include only a single desk surface or three or more desk surfaces of various shapes and/or sizes. Furthermore, it is contemplated that parts and features of any one of the specific embodiments of the adjustable stand updesk 100 discussed above, can be interchanged with parts and features of any other embodiments without departing from the spirit of the invention. - Although this invention has been described with respect to certain specific exemplary embodiments, many additional modifications and variations would be apparent to those skilled in the art in light of this disclosure. It is, therefore, to be understood that this invention may be practiced otherwise than as specifically described. Thus, the exemplary embodiments of the invention should be considered in all respects to be illustrative and not restrictive, and the scope of the invention to be determined by any claims supportable by this application, and the equivalents thereof, rather than by the foregoing description.
- The adjustable stand up desk described herein provides a variable height desk that can be placed on an existing sitting desk. The adjustable stand up desk can provide a user with an ergonomic work environment and thereby improve health of a user.
Claims (19)
1. An adjustable stand up desk comprising:
(a) a first desk surface;
(b) a second desk surface connected to the first desk surface;
(c) a base, configured to sit on an existing desk, comprising at least two channels and a pair of positioning legs; and
(d) a folding leg assembly connecting the base to at least the first desk surface, the folding leg assembly including:
(i) a first pair of legs that extends between the first desk surface and the base; and
(ii) a second pair of legs that extends between the first desk surface and the base,
wherein each leg of the first and second pairs of legs is configured to slide within the at least two channels of the base, such that the adjustable stand up desk can be selectively adjusted between at least a closed position to a fully raised position.
2. The adjustable stand up desk according to claim 1 , wherein the adjustable stand up desk can be adjusted to a partially raised position.
3. The adjustable stand up desk according to claim 2 , wherein the first desk surface extends (i) a distance H1 from the base when the desk is in the fully extended position, (ii) a distance H2 from the base when the desk is in the partially extended position, and (iii) a distance H3 from the base when the desk is in the closed position, wherein the distance H1 is greater than each of the distances H2 and H3.
4. The adjustable stand up desk according to claim 1 , wherein each leg of the first and second pairs of legs is attached to at least one leg bar, each leg bar including a pair of wheels that is configured to move within the at least two channels of the base.
5. The adjustable stand up desk according to claim 1 , further comprising a frame system attached to the first desk surface, the frame system comprising at least two channels, wherein each leg of the first and second pairs of legs is configured to move within the at least two channels of the frame system.
6. The adjustable stand up desk according to claim 5 , wherein each leg of the first and second pairs of legs is attached to at least one leg bar, each leg bar including a pair of wheels that is configured to move within one of (i) the at least two channels of the base and (ii) the at least two channels of the frame system.
7. The adjustable stand up desk according to claim 1 , further comprising a gas spring assembly and an operable handle and a handle assembly configured to provide a controlled adjustment of the desk from at least the closed position to the fully extended position.
8. The adjustable stand up desk according to claim 8 , wherein the gas spring assembly comprises a spring mechanism, a gas cylinder, and a push rod that connects to both the spring mechanism and the gas cylinder.
9. The adjustable stand up desk according to claim 7 , wherein the handle assembly comprises:
(a) a rotatable rod connected to the operable handle;
(b) a hinging member connected to the rotatable rod; and
(c) a biasing member that engages with the hinging member, such that rotation of the rotatable rod during operation of the operable handle results in (i) the hinging member engaging with the biasing member, and (ii) the biasing member interacting with the gas spring assembly to control adjustment of the desk from at least the closed position to the fully extended position.
10. The adjustable stand up desk according to claim 1 , further comprising a locking mechanism for locking the desk into the closed position.
11. The adjustable stand up desk according to claim 10 , wherein the locking mechanism comprises a locking member and a bracket with an opening, wherein the locking member engages with the opening of the bracket and said base to lock the desk into the closed position.
12. The adjustable stand up desk according to claim 1 , wherein the second desk surface includes a pair of handles that assists a user in the adjusting of the desk from at least the closed position to the fully extended position.
13. An adjustable stand up desk comprising:
(a) a first desk surface;
(b) a second desk surface connected to the first desk surface;
(c) a base, configured to sit on an existing desk, comprising at least two channels and a pair of positioning legs;
(d) a folding leg assembly connecting the base to at least the first desk surface, the folding leg assembly including:
(i) a first pair of legs that extends between the first desk surface and the base; and
(ii) a second pair of legs that extends between the first desk surface and the base, wherein each leg of the first and second pairs of legs is configured to move within the at least two channels of the base, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully extended position;
(e) a gas spring assembly that is configured to provide a controlled adjustment of the desk from at least the closed position to the fully extended position; and
(f) an operable handle and a handle assembly that are configured to engage with the gas spring assembly to assist in the adjusting of the desk from at least the closed position to the fully extended position.
14. The adjustable stand up desk according to claim 13 , wherein the gas spring assembly comprises a spring mechanism, a gas cylinder, and a push rod that connects to both the spring mechanism and the gas cylinder.
15. The adjustable stand up desk according to claim 13 , wherein the handle assembly comprises:
(a) a rotatable rod connected to the operable handle;
(b) a hinging member connected to the rotatable rod; and
(c) a biasing member that engages with the hinging member, such that rotation of the rotatable rod during operation of the operable handle results in (i) the hinging member engaging with the biasing member, and (ii) the biasing member interacting with the gas spring assembly to control adjustment of the desk from at least the closed position to the fully extended position.
16. The adjustable stand up desk according to claim 15 , further comprising a locking mechanism for locking the desk into the closed position.
17. The adjustable stand up desk according to claim 16 , wherein the locking mechanism comprising a locking member and a bracket with an opening, wherein the locking member engages with the opening of the bracket to lock the desk into the closed position.
18. The adjustable stand up desk according to claim 15 , wherein the adjustable stand up desk can be adjusted to a partially extended position.
19. An adjustable stand up desk comprising:
(a) a upper desk platform;
(b) a second desk platform connected to the first desk platform;
(c) a base, configured to sit on an existing surface, comprising at least two opposing channels;
(d) a frame assembly secured to the lower surface of said upper desk platform, comprising at least two opposing channels;
(d) a folding leg assembly connecting the base to said frame assembly, the folding leg assembly including:
(i) a first pair of legs that extends between the frame assembly and the base; and
(ii) a second pair of legs that extends between the frame assembly and the base, wherein each leg of the first and second pairs of legs is configured to move within the at least two channels of the base and the at least two opposing channels of said frame assembly, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully extended position;
(e) a lockable gas spring assembly connected between said first and second pair of legs to provide a controlled adjustment of the desk from at least the closed position to the fully extended position;
(f) an operable handle and a handle assembly engaged with the gas spring assembly to selectively control separation between said first and second pair of legs to control the position of said upper platform relative to said base; and,
(g) a plurality of stabilizing struts pivotally connected to said frame assembly or said base and at least one of said first and second pair of legs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/618,644 US20170354245A1 (en) | 2016-06-10 | 2017-06-09 | Stand up desk having adjustable heights |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201662348540P | 2016-06-10 | 2016-06-10 | |
US15/618,644 US20170354245A1 (en) | 2016-06-10 | 2017-06-09 | Stand up desk having adjustable heights |
Publications (1)
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US20170354245A1 true US20170354245A1 (en) | 2017-12-14 |
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ID=60573528
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US15/618,644 Abandoned US20170354245A1 (en) | 2016-06-10 | 2017-06-09 | Stand up desk having adjustable heights |
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US (1) | US20170354245A1 (en) |
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