CN1713839A

CN1713839A - Height adjustable desk

Info

Publication number: CN1713839A
Application number: CN200380104023.7A
Authority: CN
Inventors: 克里斯托弗·C·赛克斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-02
Filing date: 2003-10-02
Publication date: 2005-12-28
Also published as: WO2004030495A1; EP1545267A1; AU2003273677A1; US20060096505A1; CA2406320A1

Abstract

A desk assembly (10) comprises a base (12) adapted to stably engage a floor surface. An upright support member (14) is secured to and extends upwardly from the base. A planar desk (34) is connected in slidable engagement to the support member (14) between a lower (L) and an upper position (U). Biasing means, preferably a gas spring (100), is connected between the base (12) and the desk (34). The biasing means biases the desk upwardly from said lower position (L) toward said upper position (U). Locking means is operable to selectively secure said desk intermediate said lower and upper positions. The provision of an upwardly biased force by biasing means, between the upper and lower positions, improves convenience for the user when adjusting height of the desk.

Description

Height Adjustable desk

Technical field

The present invention relates to a kind of Height Adjustable desk, relate more specifically to biasing force that a kind of utilization makes progress provides lifting force to desk Height Adjustable desk.

Background technology

Known desk or the workbench that allows the user to regulate its height that provide.This arrangement for adjusting height has been considered user's height differences or has been regulated the height of working face according to task on hand.Can realize by different modes the height of desk and workbench is regulated.In order to regulate the height of desk, usually need to spend considerable time and efforts.For example, original system comprises the length of each table leg of manual adjustments desk.Other height adjusting system is attached to desk on the base seat support by the member that telescopic supporting member maybe can be fixed on the different vertical positions.Such system needs the user manually to extend or regains telescopic supporting member, then desk is fixed to needed height.The weight of desk and/or the weight that is positioned over its lip-deep article make that carry out such height regulates some heaviness a little, and this is because it is difficult to simultaneously desk is locked in the appropriate position and withstand the gravity that acts on the desk.Make other height adjustment mechanism not only complexity but also costliness.Therefore, be necessary to provide a kind of improved, more effective and cheap Height Adjustable desk.

Summary of the invention

The purpose of this invention is to provide a kind of improved Height Adjustable desk.

According to an aspect of the present invention, provide be suitable for the desk assembly of the pedestal on joined floorboards surface stably a kind of comprising.Upright supporting member is fixed on the pedestal and from pedestal and extends upward.Flat desk form with movable joint between lower position and upper position is connected on the supporting member.The biasing device connects pedestal and desk.The biasing device makes desk upwards be offset towards described upper position from described lower position.Can the operational lock device optionally between described lower position and upper position, to fix described desk.Preferably the form with the gas spring between upper position and lower position provides biasing force upwards, and the height of regulating desk for the user has increased facility.

Description of drawings

By way of example and with reference to the accompanying drawings embodiments of the present invention are described now, use identical Reference numeral to represent components identical and parts among the figure, wherein:

Fig. 1 is the following perspective view of looking according to a kind of embodiment of desk assembly of the present invention;

Fig. 2 is the upper viewing view according to a kind of embodiment of desk assembly of the present invention;

Fig. 3 is the perspective view according to the part of desk assembly of the present invention;

Fig. 4 is the decomposition view of desk assembly shown in Figure 3;

Fig. 5 is the cutaway view along Fig. 3 center line A-A;

Fig. 6 is a plurality of perspective views according to desk assembly of the present invention placed adjacent one another;

Fig. 7 A is a top view of placing a plurality of desk assemblies that are in first group of state; With

Fig. 7 B places to be in second top view of a plurality of desk assemblies that works alone state.

The specific embodiment

Fig. 1-5 shows a kind of embodiment according to desk assembly of the present invention.Desk assembly 10 has front F and rear R.

The pedestal 12 preferred profiles that adopt the approximate isosceles trapezoid of inner edge with bow, and can be formed from steel, and be suitable for joined floorboards surface stably.The upright supporting member of the aluminium cylinder 14 of preferred employing extrusion molding is fixed on the pedestal and from pedestal and extends upward, and the aluminium cylinder 14 of extrusion molding limits a hollow interior space 16, and has vertical wall portion 18.This wall portion has interior vertical plane 20 and outer vertical plane 22.This cylinder can comprise removable cap 21, and described lid can engage with the cylinder top by interference fit.

Cylinder 14 preferably is fixed on the pedestal by the screw (not shown), and described screw extends through pedestal and enters in the screw lug boss (screw boss) 24 in the cylinder 14, and cylinder 14 is set up the back edge part 26 of contiguous pedestal.

Be fixed on the bracing or strutting arrangement on the board 30, the preferred support 28 that extends with the diagonal angle forward is joined together along the form of cylinder 14 with removable joint between lower position L and upper position U.Support preferably has the horizontal flanges 32 of outward extending upper flat, and flat desk tops 34 can be attached on the described horizontal flanges.Although preferred flat desk 34 is subjected to the support of support 28, should be appreciated that support can support any suitable workpiece.

In a preferred form, comprised by the moving range of desk tops of the mobile restriction of the bracing or strutting arrangement between L and U or the position of the desk tops 34 when sitting down and stand, used respectively corresponding to the user of normal height at least.

The sliding guide groove parts 36 that limit vertical guide slot 38 are provided with and are fixed on the board 30 by attachment screw 42 along inner vertical surface 20, and described sliding guide groove parts have by the bottom of end part 36a sealing.Preferably by leading rib 41 along described inner vertical surface 20 guided slidable guide groove components, the inner vertical surface 20 of described cylinder 14 of leading rib and extrusion molding is integrally formed.Attachment screw 42 links together board 30 and guide groove component 36 so that the two as one man vertically moves between upper position U and lower position L.Attachment screw extends back and is passed in hole 44 on the described board, be passed in the vertically extending slit 46 of machining on the column vertical wall 18, and be threadedly engaged with the nut 48 that is welded on the guide groove component inner surface, the hole 44 that described nut forms with penetrating guide groove component 36 aligns.Limit the lower position of vertical stroke by the bottom of attachment screw 42 contact slits 46, limit the upper position of vertical stroke by the top of lock screw 43 contact slits 46.

Wheel set assembly 50 preferably is rotatably installed on each side of board 30.Each wheel set assembly 50 is fixed on the board 30 by axle assembly 52, and described axle assembly extends through the lateral section 54 that board extends back on each side of board.Each part 54 is all extended in the vertically extending guide groove 56 of front opening.The vertical wall portion 18 of the cylinder 14 of described guide groove and extrusion molding is integrally formed.Support 28 preferably is fixed on the lateral parts 54 of board 30 every sides, and described part 54, support and guide groove 56 acutangulate each other and with respect to symmetrical vertical plane 55 and extend.Each wheel set assembly 50 all comprises a pair of wheel members 60 that rotatably joins on the described axle assembly 52.Described runner usually engages with the outer surface rolling of column wall in the guide groove 56.

Locking device is set so that optionally bracing or strutting arrangement is fixed on position between upper position U and the lower position L, described locking device preferably adopts near the form of exercisable anchor clamps desk tops 34.Lock screw 43 preferably extends through board 30 and sliding guide groove parts 36 by the screw lug boss that forms in wherein, and be threadably engaged among the screwed hole 70A in clamping plate 70, described clamping plate 70 be located at the described guide groove component rear portion in the cylinder described sliding guide groove parts 36 near.Clamping plate 70 preferably include outwards backward airfoil-shaped portion 70C of the major part 70B that extends transverse to plane 55 and two, and the inner surface 20 of base part that each described airfoil-shaped portion is parallel to the vertically extending guide groove 56 of front opening extends and engages.Lock screw 43 has in abutting connection with the head 43a of the expansion in board 30 fronts, and described screw head prevents that screw from advancing and penetrate board.Can the spin locking screw so that it is threadably engaged on clamping plate 70.Under screw head 43a and prerequisite that board 30 flushes, clamping plate 70 and lock screw head 43a be threadably engaged board 30 strains and vertical wall portion outer surface 22 are bonded together, the pressure that produces in the screw 43 compresses the airfoil-shaped portion 70C of clamping plate 70 on the inboard of the pedestal that leans against guide groove 56.In this case,

plate

30 and 70 and being frictionally engaged of cylinder 14 bracing or

strutting arrangement

28 and 30 is locked in position selected in the moving range between upper position U and the lower position L.

The rotatable securing rod 80 that supported by support 82 is fixed on the following of described desk tops 34 and extends out below described desk tops 34, and securing rod 80 has the preposition locked hand 84 of rotating described securing rod around its axis of being used for.For example, radially pass in the dog screw (not shown) under the prerequisite of screw head 43a, securing rod 80 is fixed on the screw head 43a, come the spin locking screw by spin locking handle 84 like this, therefore and allow lock support device in the following manner: promptly by lock screw 43 being screwed in the above-mentioned clamping plate 70 along a direction spin locking handle 84, or by unclamp clamping plate 70 and board 30 along opposite spin locked hand 84.Should be appreciated that and with any suitable locking device desk to be locked in certain position between upper position U and lower position L.For example, other clamping device can be used for support, board or guide groove component optionally are fixed on the cylinder.Though above-mentioned layout provides great adjusting in allowed limits, it is contemplated that bracing or strutting arrangement can be fixed on the cylinder 14 by stop pin, dowel or the device that similarly allows to be fixed on the cylinder on a plurality of discontinuous position of bracing or strutting arrangement in described scope.

The biased device (preferably adopting gas spring (gas spring)) 100 that makes progress is set between pedestal and the desk and connects pedestal and desk, be used to provide enough so that described bracing or strutting arrangement and desk are risen to the upward force of upper position U from lower position L, and provide upward force without the user.Particularly, the biasing device, gas spring 100 preferably is set at and is positioned at the cylinder 14 below the sliding guide groove parts 36 and upwards is biased on the sliding guide groove parts 36.The biasing device, gas spring 100 is preferably included in the axially extended pin that each end is located.Lower pin is fixed in the opening 112 in the pedestal 12.In the upper end, pin 100A is installed in the opening 36b among the part 36a of end.Gas spring preferably comprises the non-locking piston of single effect, the non-locking piston of described single effect gas in the compression cylinder easily when promoting desk tops 34 downwards from U to L, the reaction force that acts on piston in addition provides the power that makes progress that single-handedly desk tops 34 is risen to U from L.Gas spring for example can be the gas spring of trade mark Suspa (TM) by name, as can be from Suspa joint-stock company (Suspa Incorporated of Grand Rapids, the Suspa 41090 that Michigan) has bought of Michigan, USA Grand Rapids.Should be appreciated that other device also can provide biasing force upwards, for example compress spring or other device that is provided with in the same manner or be similar to the device of the gas spring 100 shown in the figure.

In the optional embodiment of another kind of the present invention, support 28 can be integrally formed with board 30.

Monitor stand 122 can be fixed on the cylinder 14 of extrusion molding or the desk 34 in order to keep computer monitor 400.Vertical partition member 124 can be fixed on the cylinder 14 of extrusion molding, and is placed on the back of cylinder so that provide sound barrier and visual barrier for desk.Track 300 as user's foot rest can be fixed on the pedestal 12.

Fig. 6 and 7 shows a plurality of desk assemblies 10 placed adjacent one another.Desk assembly among Fig. 6 and 7 comprises rectangle desk tops 34 and pedestal 12.Desk tops 34 is slightly larger than pedestal 12.The side 15 of adjacent desk tops 34 is in alignment with each other.Compare with the peripheral table leg member that is provided with of the prior art, the supporting member 14 that place at the use center allows to place operating room's equipment and annex between desk and pedestal, and allows a plurality of desk assemblies placed adjacent one another thus under the situation that does not occupy any additional space.Described equipment, for example computer processing unit (CPUs) 144 or file cabinet 146 can be fixed in place by vertical support bar 148, and described vertical support bar is fixed on the desk tops 34 and towards pedestal 12 extends downwards.The support 150 that can be inserted on the support bar 148 is fixed on position suitable between desk and the pedestal with equipment.Support 150 rotatably is installed on the support bar 148, and permission the equipment on the support of will being fixed on rotates to the position at inner suit from primary importance (as shown in Figure 6) along direction N.

Desk assembly 10 as shown in Figure 6 is easy to move and reset, and does not need to take apart and mobile working chamber equipment such as computer processing unit 144 or file cabinet respectively.Because many-sided reason, this desk assembly 10 that moves easily is very important in current office environment.For example, people recognize that more and more the project that relates to team collaboration not only needs workbench and desk, and need public domain and the desk location that is beneficial to interaction and team collaboration.Meeting room provides this space, but because the employee must transfer to new position from their usual working space, so can lose efficient and spontaneity like this.In addition, for providing independent meeting room, team project to consume additional expense.Space shown in Fig. 7 A and the 7B shows according to desk assembly 10 of the present invention, desk assembly particularly shown in Figure 6 is how to form a working space, and described working space can be transformed into the state (shown in Fig. 7 A) that helps team/collaborative work apace from the state (shown in Fig. 7 B) that desk is used to work alone.

According to the demand that desk can be moved, should be appreciated that and to utilize any known suitable device to move along floor surface to allow the desk assembly.This device can comprise the smooth sliding component 166 on the lower surface that pedestal shown in the figure is set, and perhaps other is as the device of wheel or similar wheel.

According to aforementioned disclosure, be apparent that for those skilled in the art, when enforcement is of the present invention, can carry out many changes and variation, and not depart from the spirit or scope of the present invention the present invention.Correspondingly, can explain scope of the present invention according to the essentiality content that following claim limited.

Claims

1, a kind of desk assembly comprises:

Be suitable for the pedestal on joined floorboards surface stably;

Be fixed on the described pedestal and from the upwardly extending upright supporting member of described pedestal;

Be connected to flat desk on the described supporting member in the mode that is slidably engaged between lower position and the upper position;

The biasing device that connects described pedestal and described desk and desk upwards is offset towards described upper position from described lower position; With

Can operate optionally described desk is fixed on the locking device between described lower position and the upper position.

2, desk assembly according to claim 1, wherein said desk is connected on the described supporting member by bracing or strutting arrangement.

3, desk assembly according to claim 1, wherein said biasing device is a gas spring.

4, desk assembly according to claim 3, wherein said gas spring is included in the piston of the single effect of working in the cylinder of Compressed Gas.

5, desk assembly according to claim 1, wherein said supporting member are cylinders that comprises the extrusion molding of vertical wall portion, and described vertical wall portion has interior vertical plane and outer vertical plane.

6, desk assembly according to claim 3, wherein said supporting member comprises:

The support of horizontal expansion forward, each support all have a surface that is used to support the upper flat of described desk;

Be fixed to the board on the described support, described board is set on the outer vertical plane of described cylinder in the mode that is slidably engaged with it;

Sliding guide groove parts along described interior vertical plane setting, be fixed on the described board by attachment screw, described attachment screw extends through the vertically extending slit in described cylinder, described slit extends between described upper position and lower position, described sliding guide groove parts are fixed on the board in the mode that is slidably engaged, and between described upper position and lower position, as one man move along described slit and board, be set at the end part that described gas spring below the sliding guide groove parts engages described guide groove component.

7, desk assembly according to claim 6, wherein said support is outward-dipping forward with respect to the midplane of assembly.

8, desk assembly according to claim 6, wherein locking device comprises and can operate described bracing or strutting arrangement is fixed to releasedly the anchor clamps on the described supporting member.

9, desk assembly according to claim 8, wherein said anchor clamps comprise the lock screw that has in abutting connection with the head of screw in board front, described lock screw extends through described board, described slit and described guide groove component, and and lump together by screw thread and fished joint, the contiguous described vertical wall portion inner surface of described clamping plate is provided with, make that optionally being threadedly engaged with described clamping plate can be combined in described fished joint on the vertical wall portion in the mode that is frictionally engaged in clamped position, thereby guide groove component and board are remained on place, fixed position between described upper position and the lower position.

10, desk assembly according to claim 9, wherein locking device further comprises securing rod, securing rod has preposition being used for and centers on the locked hand that its axis rotates described bar, described securing rod and lock screw are bonded together, so that rotate described locked hand described lock screw is rotated, thereby optionally engage described clamping plate at described clamped position.

11, desk assembly according to claim 10, wherein said securing rod rotatably is subjected to the support of support, and described support is fixed on described desk below and extends out from the desk below.

12, desk assembly according to claim 5, wherein said board comprises the rotary wheel device that rotatably is installed on it, described rotary wheel device bond post external surface.

13, desk assembly according to claim 11, wherein the vertically extending guide groove of open front is integrally formed with the vertical wall portion of cylinder on every limit of board, and each vertically extends guide groove and all is suitable for holding a described rotary wheel device in the mode that engages of rolling with it.

14, desk assembly according to claim 6, wherein each described support comprises outward extending horizontal flanges, desk can be attached on the described horizontal flanges.