US20010045497A1 - Vertically adjustable mobile computer workstation - Google Patents
Vertically adjustable mobile computer workstation Download PDFInfo
- Publication number
- US20010045497A1 US20010045497A1 US09/388,334 US38833499A US2001045497A1 US 20010045497 A1 US20010045497 A1 US 20010045497A1 US 38833499 A US38833499 A US 38833499A US 2001045497 A1 US2001045497 A1 US 2001045497A1
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- US
- United States
- Prior art keywords
- arm
- platform
- vertically adjustable
- computer workstation
- angular position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
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- 230000007935 neutral effect Effects 0.000 claims description 14
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
-
- 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
-
- 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
- A47B31/00—Service or tea tables, trolleys, or wagons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2092—Undercarriages with or without wheels comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0011—Underframes
- A47B2200/002—Legs
- A47B2200/0021—Tables or desks of the single column type
- A47B2200/0023—Columnar component for computer, stand or trolley
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/04—Balancing means
- F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
Abstract
Description
- The present invention relates generally to computer workstations, and more particularly to mobile computer workstations that are vertically adjustable.
- A number of workstations have been designed to make computer use more convenient and to make the time employees spend using their computers more ergonomic. For example, various workstations have been designed which allow the user to rotate the computer output device to remain in their line of sight. These devices can allow the user to comfortably view the computer monitor whether they are sitting or standing. Systems have also been developed which suspend a computer monitor from a track and allow the monitor to roll along the track while the user moves from place to place. While these designs have increased the adaptability of office equipment, there is still room for improvement.
- For example, a computer workstation that is easily movable from one location to another is desirable in a number of office settings. One example is a hospital setting where nurses and technicians must continuously update patient treatment records from a variety of locations. In this setting, a workstation that could travel with the employee could allow them to input changes in patient treatment while they are making their rounds. A workstation that is also adjustable to accommodate users in either a standing or sitting position would allow employees to carry out their tasks in a more ergonomic manner.
- The present invention is directed to addressing these needs and to creating a mobile computer workstation that is adjustable to a variety of vertical positions.
- A vertically adjustable mobile computer workstation includes a first arm which has an upper end and a lower end and a second arm that includes an upper end and a lower end. Attached to the upper end of the first arm is at least one platform. The lower end of the first arm and the upper end of the second arm are hingedly attached. The lower end of the second arm is attached to a base that is supported by a plurality of rotatable members. The first arm is rotatable between a first angular position in which the at least one platform is positioned a first distance above the rotatable members and a second angular position in which the platform is positioned a second distance above the rotatable members that is greater than the first distance.
- FIG. 1 is an isometric view of a vertically adjustable mobile computer workstation in a lowered position according to the present invention.
- FIG. 2 is an isometric view of the vertically adjustable mobile computer workstation of FIG. 1 in a raised position.
- FIG. 3 is an isometric view of a variation of the vertically adjustable mobile computer workstation of FIGS. 1 and 2 in a lowered position.
- FIG. 4 is an isometric view of another variation of the vertically adjustable mobile computer workstation of FIGS. 1 and 2 in a raised position.
- FIG. 5 is a sectioned side view of a neutral support stop mechanism according to one aspect of the invention adjusted to a raised position.
- FIG. 6 is a sectioned side view of the neutral support stop mechanism of FIG. 5 adjusted to a lowered position.
- Referring now to FIGS.1-4 there is shown a vertically adjustable
mobile computer workstation 10 according to three variations of the present invention. As illustrated,computer workstation 10 can be adapted to support a variety of computer input and output devices.Computer workstation 10 includes afirst arm 13, asecond arm 18, aplatform 11 and abase 25.Platform 11 preferably includes ahandle 12 that can be used for vertical adjustment ofcomputer workstation 10. Whilecomputer workstation 10 has been shown having only oneplatform 11 to support both the computer input and output devices, it should be appreciated that an additional platform could be included to allow the input and output devices to be separately supported or to provide additional work space. -
Platform 11 is hingedly attached to anupper end 14 offirst arm 13 by aplatform support 66. Referring now in addition to FIGS. 5 and 6, it can be seen thatfirst arm 13 is not a single member, but rather it includes a firstlongitudinal segment 67 and a secondlongitudinal segment 68 which are preferably arranged in parallel but not connected directly to each other. However, because thelongitudinal segments Platform support 66 is attached tolongitudinal segments platform pivots 64. Eachplatform pivot 64 can be a pin or other such device that can allowplatform support 66 to maintainplatform 11 at a horizontal orientation regardless of the angular position offirst arm 13. -
First arm 13 also includes alower end 15 that is hingedly attached to anupper end 19 ofsecond arm 18 by a pair offirst arm pivots 63. The vertical position ofcomputer workstation 10 is determined by the angular position offirst arm 13 with respect tosecond arm 18. For example, when arm angle Φ, the angle betweenfirst arm 13 andsecond arm 18, is relatively small,platform 11 is positioned a first distance X1 above a plurality ofrotatable members 26 that supportbase 25. This corresponds to a lowered position ofcomputer workstation 10 as shown in FIG. 1. In contrast, when arm angle Φ is relatively large,platform 11 is positioned a second distance X2 aboverotatable members 26 which corresponds to a raised position ofcomputer workstation 10 as shown in FIG. 2. It should therefore be appreciated that as arm angle Φ increases, the distance X betweenplatform 11 androtatable members 26 increases, resulting in an upward vertical adjustment ofcomputer workstation 10. - Operably coupled between
first arm 13 andsecond arm 18 is a neutralsupport stop mechanism 60 that serves as the mechanism which allowsplatform 11 to be positioned at any desired distance X aboverotatable members 26. Neutralsupport stop mechanism 60 preferably uses an internal force producing device and friction to allowcomputer workstation 10 to be continuously stoppable between a preset maximum and minimum. While the present invention has been illustrated utilizing a continuously stoppable device, it should be appreciated that the stop mechanism could alternatively be a notched device, or other device, that would allowfirst arm 13 to stop at a plurality of preset angular positions between a desired minimum and maximum. - Neutral
support stop mechanism 60 preferably includes a pneumatic cylinder, as shown, however it could be a hydraulic cylinder or other adjustable force producing device as well. Neutralsupport stop mechanism 60 includes arod 61 and acylinder 62 and is capable of producing a force proportional to the distance thatrod 61 is moved with regard tocylinder 62. The amount of force that neutralsupport stop mechanism 60 will produce can be adjusted by a threadedmember 70 that is coupled torod 61 by anut 65. The vertical positioning ofnut 65 along threadedmember 70 determines the amount ofrod 61 unexposed bycylinder 62, and therefore the amount of force produced. For instance, whennut 65 is positioned high on threadedmember 70, as shown in FIGS. 5 and 6, the length ofrod 61 outside ofcylinder 62 is relatively short, which corresponds to a relatively short pneumatic chamber withincylinder 62. This orientation would result in a greater force produced by neutralsupport stop mechanism 60. A greater amount of force, such as produced by this orientation, would be desirable whenplatform 11 is supporting a traditionaltube style monitor 30, as shown in FIGS. 1 and 2. Becauserod 61 preferably does not move with respect tocylinder 62 oncenut 65 is adjusted and fixed on threadedmember 70, neutralsupport stop mechanism 60 will produce this constant force regardless of the angular position offirst arm 13 with respect tosecond arm 18. The portion of this force that is oriented in a vertical direction changes with the arm angle Φ. Asnut 65 is moved downward along threadedmember 70, a greater length ofrod 61 is removed fromcylinder 62, creating a larger pneumatic chamber withincylinder 62 and thus a reduced amount of force. Whennut 65 is adjusted to a relatively low position along threadedmember 70, the amount of force produced would be desirable whencomputer workstation 10 is supporting a lighter device, such as anotebook style computer 50, as shown in FIG. 4. - Returning now to
computer workstation 10,base 25 is preferably attached to alower end 20 ofsecond arm 18 such that an acute angle exists betweensecond arm 18 and a vertical line passing throughbase 25. While the attachment betweenbase 25 andsecond arm 18 has been illustrated as a fixed attachment, it should be appreciated that it could instead be a hinged attachment. Additionally, it should be appreciated that use of a hinged attachment ofbase 25 andsecond arm 18 might be facilitated with a second neutral stop mechanism.Base 25 is preferably supported by fiverotatable members 26 that are equally spaced about avertical line 28 passing through the center ofbase 25.Rotatable members 26 are preferably rollers, as shown, but could instead be any suitable support members, such as spherical rotatable supports. Additionally, while fiverotatable members 26 have been illustrated, the number is preferably at least greater than four to ensure adequate stability ofcomputer workstation 10. It should be appreciated, however, that the desire for added stability should be balanced with practicality when selecting the number ofrotatable members 26 to be included oncomputer workstation 10. It should also be appreciated that the shape and size of therotatable members 26 selected will be a factor in determining the appropriate number to use. Regarding the size ofrotatable members 26, they should preferably be oversized, as shown, to make movement over rough or uneven floors easier. - Stability of
computer workstation 10 is also enhanced by the positioning ofplatform 11 in relation tovertical line 28 which passes through the center ofbase 25. FIG. 1 showscomputer workstation 10 adjusted to a relatively low vertical position which corresponds to a first angular position offirst arm 13, as illustrated in FIG. 6. FIG. 2 showscomputer workstation 10 adjusted to a relatively high vertical position, corresponding to a second angular position offirst arm 13, as illustrated in FIG. 5. As shown in FIGS. 1 and 2,platform 11 is closer tovertical line 28 whencomputer workstation 10 is adjusted to a relatively high angular position than whencomputer workstation 10 is adjusted to a relatively low angular position. This design feature allowscomputer workstation 10 to have greater stability when adjusted to its highest vertical orientation by positioning the majority of the weight closer to the center ofbase 25 whencomputer workstation 10 is adjusted to its most unstable position. - As previously stated,
computer workstation 10 can be adapted to support a number of different computer input and output devices, as shown in FIGS. 1-4. In the variation shown in FIGS. 1 and 2,platform 11 is adapted to support a computer input device in the form of acomputer keyboard 32 and a computer output device in the form of traditional tube style monitor 30. Tube style monitor 30 is attached toplatform 11 by a hingedmonitor support 33 which pivots computer monitor 30 with respect to the vertical positioning ofcomputer workstation 10 to accommodate use in both the sitting and standing positions. Hingedmonitor support 33 rotates monitor 30 through a variety of monitor angles α that are coupled to the angular position offirst arm 13. For instance, when arm angle Φ is relatively small, as shown in FIG. 1, monitor angle α is relatively large. Conversely, when angle Φ is relatively large, as shown in FIG. 2, monitor angle α is relatively small. This coupling allowscomputer monitor 30 to remain generally in the line of sight of the user regardless of the angular position offirst arm 13, and therefore, regardless of the vertical orientation ofcomputer workstation 10. - Referring now to the FIG. 3 variation of
computer workstation 10,platform 11 is once again designed for attachment to acomputer keyboard 32 as shown in FIGS. 1 and 2. However, in this variation,platform 11 is adapted to support a flat screen computer monitor 40 as the computer output device. Because flat screen monitor 40 is readily adjustable onplatform 11, there is no need to couple the monitor angle with the angular position offirst arm 13, as with tube style monitor 30. However, it should be appreciated that these angles could be coupled if so desired. - In this variation,
computer workstation 10 preferably includes abattery pack compartment 42 which is capable of housing a battery that can be electronically connected to at least one ofcomputer keyboard 32 andflat screen monitor 40. Whilebattery pack compartment 42 is preferably attached tosecond arm 18, it should be appreciated that it could also be attached tofirst arm 13,base 25 orplatform 11. Use of a battery pack is desirable to allow the user to be free of many restrictions associated with power cords such as the distance the user can travel from a power source as well as the workplace hazard created by loose trailing power cords. This variation also preferably includes awireless transceiver 44 which, when used together with a battery pack, can allowcomputer workstation 10 to be a completely untethered workstation.Wireless transceiver 44 is preferably attached toplatform 11, however, it should be appreciated that it could also be attached tobase 25,first arm 13,second arm 18,keyboard 32 orflat screen monitor 40. Use ofwireless transceiver 44 will allow for even greater mobility ofcomputer workstation 10 by allowing the user to move unrestricted by computer communication cord length. Additionally, use ofwireless transceiver 44 in place of numerous cords will add to the stability and ease of use ofcomputer workstation 10 by removing the chance of tangling cords aroundrotatable members 26 and once again reducing the safety hazards associated with loose cords. - Referring now to FIG. 4, there is shown still another variation of the present invention. In this variation,
platform 11 is designed to support a combined computer input and output device such asnotebook style computer 50.Platform 11 includes asecurity panel 52 for use withnotebook style computer 50.Security panel 52 is attached toplatform 11 in a manner that allows the user to adjust the orientation of the monitor portion ofnotebook computer 50 for more natural viewing.Security panel 52 is also preferably moveable between an open position in whichnotebook 50 can be easily placed on or removed fromplatform 11 and a closed position. Whensecurity panel 52 is in the closed position, it can be locked to prevent unwanted removal ofnotebook 50. Whilesecurity panel 52 has been shown as covering only the monitor portion ofnotebook 50, it should be appreciated that it could also at least partially cover the keyboard portion ofnotebook 50. In addition to performing as a security device by allowing the user to lock downnotebook 50,security panel 52 can also serve to stabilize thelight notebook computer 50 onplatform 11. - As with the variation shown in FIG. 3,
computer workstation 10 preferably includes abattery pack compartment 42 that is attached to eitherfirst arm 13,second arm 18 orplatform 11 and can be equipped with a battery topower notebook computer 50. Likewise,computer workstation 10 also preferably includes awireless transceiver 44 to allownotebook computer 50 to act as an untethered workstation that facilitates wireless networking with a computer network and/or server. Once again, whilewireless transceiver 44 has been illustrated as being attached toplatform 11, it should be appreciated that it could also be attached tofirst arm 13,second arm 18,base 25, ornotebook 50 to perform the same function. - The present invention allows for greater adaptability of office equipment by providing a self standing computer workstation that can be easily transported around a work environment. When used in conjunction with a battery pack and a wireless transceiver, the present invention becomes an untethered workstation that can be transported to virtually any location the user desires. The present invention is also vertically adjustable to provide greater versatility by ergonomically accommodating users in both the sitting and standing positions. When supporting a traditional tube style monitor, the present invention preferably includes a hinged monitor support to allow the monitor to remain in the line of sight of a user regardless of the vertical orientation of the computer workstation.
- It should be understood that the above description is intended for illustrative purposes only, and is not intended to limit the scope of the present invention in any way. For instance, while the first arm is preferably two separate longitudinal segments, it should be appreciated that it could be a single member. Additionally, it should be appreciated that the number of first arm pivots and platform pivots need not be two, as illustrated. Further, it should be appreciated that separate stop and neutral force mechanisms could be used as opposed to the illustrated single integrated device. The present invention could also be modified to accommodate other input devices, such as track balls, etc. Thus, those skilled in the art will appreciate that various modifications could be made to the disclosed embodiments without departing from the intended scope of the present invention, which is defined in terms of the claims set forth below.
Claims (20)
Priority Applications (1)
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US09/388,334 US6394402B2 (en) | 1999-09-01 | 1999-09-01 | Vertically adjustable mobile computer workstation |
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