WO2023075764A1 - Socles d'écran à hauteur réglable avec forces de levage sélectionnables - Google Patents

Socles d'écran à hauteur réglable avec forces de levage sélectionnables Download PDF

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Publication number
WO2023075764A1
WO2023075764A1 PCT/US2021/056830 US2021056830W WO2023075764A1 WO 2023075764 A1 WO2023075764 A1 WO 2023075764A1 US 2021056830 W US2021056830 W US 2021056830W WO 2023075764 A1 WO2023075764 A1 WO 2023075764A1
Authority
WO
WIPO (PCT)
Prior art keywords
lift
column
mount
display
state
Prior art date
Application number
PCT/US2021/056830
Other languages
English (en)
Inventor
Chih Chien Chen
Chih Jen Huang
Conrad Walter HENRY
Original Assignee
Hewlett-Packard Development Company, L.P.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett-Packard Development Company, L.P. filed Critical Hewlett-Packard Development Company, L.P.
Priority to PCT/US2021/056830 priority Critical patent/WO2023075764A1/fr
Publication of WO2023075764A1 publication Critical patent/WO2023075764A1/fr

Links

Classifications

    • 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
    • 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
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • 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
    • F16M2200/048—Balancing means for balancing translational movement of the undercarriage

Definitions

  • Stands for displays can allow the heights at which the displays are supported to be adjusted.
  • the size and/or weight of the displays, and the operational requirements imposed on the stands by the displays, can vary.
  • FIG. 1 is a diagram of an example adjustable-height display stand with selectable lift forces.
  • FIG. 2 is a diagram of the example stand of FIG. 1 , illustrating components of a lift assembly of the stand.
  • FIG. 3 is a diagram of another example adjustable-height display stand, illustrating components of a lift assembly of the stand in greater detail.
  • FIG. 4A is a diagram of a selector of a lift assembly of an example adjustable- height display stand in a first position.
  • FIG. 4B is a diagram of the selector of FIG. 4A in a second position.
  • FIG. 5A is a diagram of another example adjustable-height display stand with a lift assembly of the stand in a first state, and a mount in a raised position.
  • FIG. 5B is a diagram of the example stand of FIG. 5A with the lift assembly in the first state, and the mount in a lowered position.
  • FIG. 6A is a diagram of the example stand of FIGs. 5A-B with the lift assembly in a second state, and the mount in a raised position.
  • FIG. 6B is a diagram of the example stand of FIGs. 5A-B with the lift assembly in the second state, and the mount in a raised position.
  • FIG. 7 is a diagram of another example adjustable-height display stand with a cover thereof removed to expose a selector for setting the lift force applied by the stand.
  • FIG. 8 is a flowchart of a method of operation of an adjustable-height display stand.
  • Adjustable-height display stands for standalone displays, all-in-one (AIO) computers, or other devices with display components can support displays at adjustable positions along columns.
  • the columns can be substantially upright columns rising from bases of the stands.
  • the bases can be disposed on work surfaces such as tables or the like.
  • the position of a display on a column can be set by manipulation of the display and/or a mount connecting the display to the column, to slide the display upwards on the column (away from the base), or downwards on the column (towards the base).
  • AHSs can include lift assemblies, e.g., installed in the columns.
  • a lift assembly applies a lift force to the display.
  • the lift force substantially matches a weight of the display, and friction between the mount and the column maintains the display in position on the column, in the absence of manipulation of the display.
  • a display with a weight that is greater than the sum of the lift force and friction between the column and the mount may slide downwards in the absence of manipulation input.
  • a display with a weight that is lesser than the difference between the lift force and friction may slide upwards in the absence of manipulation input.
  • the range of display weights that a given AHS can accommodate may therefore be constrained by the lift force.
  • an AHS with a lift assembly designed to support a 24-inch display may provide an insufficient lift force to support a 27-inch display.
  • example AHSs disclosed herein include lift assemblies that can generate distinct, selectable lift forces. Reconfiguring an example AHS as disclose herein can therefore be accomplished by manipulating a selector to change the lift force, without replacing the lift assembly.
  • an adjustable-height display stand includes a base; a column extending from the base; a mount movably coupled to the column at an adjustable height relative to the base, the mount to interchangeably support a first display and a second display; a lift assembly connected to the column and the mount, the lift assembly having
  • the lift assembly can include: a first lift member connected to the column and the mount, to apply the first lift force in each of the first state and the second state; and a second lift member connected to the column and the mount in the second state to apply an auxiliary force additive with the first lift force to produce the second lift force, the second lift member disconnected from one of the column and the mount in the first state.
  • the lift assembly can include: a first lift member connected to the mount and the column; a second lift member connected to the mount; and an anchor block connected to the second lift member and locked to the column by the selector in the second state.
  • the selector can include a lock connected to the column and movable between a locked position and an unlocked position.
  • the first lift force can correspond to a weight of the first display
  • the second lift force can correspond to a weight of the second display
  • the adjustable-height display stand can further include a cover coupled to the column, the cover removable to expose the selector.
  • a display stand includes: an upright column; a display mount slidably coupled to the column; a lift assembly affixed to the mount and having (i) a first anchor connected to the column to apply a first lift force to the mount, and (ii) a second anchor connectable to the column to apply a second lift force to the mount; and a lock movably connected to the column between a locked position to connect the second anchor to the column, and an unlocked position to disconnect the second anchor from the column.
  • the lift assembly can include: a lift assembly body affixed to the display mount; a first constant-force spring affixed to (i) the lift assembly body, and (ii) the column, at the first anchor; a second constant-force spring affixed to the lift assembly body, and selectably connectable to the column at the second anchor, based on the position of the lock.
  • the lift assembly can further include: an anchor block affixed to the second constant-force spring and defining the second anchor; the lock to affix the anchor block to the column in the locked position; the anchor movable relative to the column in the unlocked position.
  • the anchor block can include a chamber to removably receive the lock in the unlocked position, and to retain the lock within the chamber in the locked position.
  • the first lift force can correspond to a first display size; and a combination of the first lift force with the second lift force can correspond to a second display size larger than the first display size.
  • FIG. 1 shows an example adjustable-height display stand 100, also referred to as the stand 100.
  • the stand 100 can include a base 104, to rest on a work surface such as a desk, table, or the like.
  • the stand 100 also includes a column 108 extending in an upright orientation from the base 104.
  • the column 108 can be removably coupled to the base 104, or integrated with the base 104.
  • the column 108 can be coupled directly to a work surface, and the base 104 can be omitted.
  • the base 104 rests on a substantially horizontal surface, the column 108 extends substantially vertically from the base 104, in some examples.
  • the stand 100 further includes a mount 112 movably coupled to the column 108, at an adjustable height relative to the base 104.
  • the mount 1 12 is positioned at a first height H1 relative to the base 104.
  • FIG. 1 also illustrates an alternative position 1 12a of the mount 1 12, at a second height H2 relative to the base 104.
  • the mount 1 12 is to interchangeably support a first display 1 16 and a second display 120. That is, at a given time the mount 1 12 can support one or the other of the first display 1 16 and the second display 120. As will be apparent in the discussion herein, the mount 1 12 can also support additional displays interchangeably with the displays 1 16 and 120.
  • the mount 1 12 can include a mechanical interface 124 to support the displays 1 16 and 120 e.g., via fasteners such as bolts, latches, or the like.
  • the display 1 16 has a weight 128 that is different from a weight 132 of the display 120.
  • the weight 132 is larger than the weight 128.
  • the display 120 can include a 27-inch panel, while the display 1 16 can include a 24-inch panel.
  • the displays 1 16 and 120 can have other sizes than those mentioned above.
  • the weights 128 and 132 of the displays 1 16 and 120 can differ as a result of factors other than the size of the respective panels of the displays 1 16 and 120.
  • the display 120 can include an all-in-one (AIO) computer with various computing components housed therein that the display 1 16 lacks.
  • AIO all-in-one
  • the stand 100 also includes a lift assembly 136.
  • the lift assembly 136 can be partially or entirely contained within the column 108, as shown in FIG. 1 .
  • the lift assembly 136 has distinct selectable states, including a first state, and a second state. In further examples, the lift assembly 136 can have additional states beyond the first and second states.
  • the lift assembly 136 applies a first lift force 140 to the mount 1 12.
  • the first lift force 140 can correspond to the weight 128 of the first display 1 16.
  • the first lift force 140 can be substantially equal to the weight 128.
  • the first lift force 140 is therefore referred to as being associated with the first display 1 16.
  • the first lift force 140 is therefore also associated with any other display having a weight substantially equal to the weight 128 of the first display 1 16.
  • the lift assembly 136 applies a second lift force 144 to the mount 112.
  • the second lift force 144 can correspond to the weight 132 of the second display.
  • the second lift force 144 can be substantially equal to the weight 132.
  • the second lift force 144 is therefore referred to as being associated with the second display 120.
  • the second lift force 144 is therefore also associated with any other display having a weight substantially equal to the weight 132 of the second display 120.
  • the lift assembly 136 can have additional states, e.g., a third state in which the lift assembly 136 applies a third lift force that corresponds to a weight of a third display, e.g., greater than the weight of the second display 120.
  • Each state of the lift assembly 136 therefore corresponds to a weight class of displays, which may include a single display, or multiple displays with substantially equal weights.
  • the stand 100 also includes a selector 148 to switch the lift assembly 136 between the first state and the second state mentioned above.
  • the selector 148 can be disposed on or within the column 108, as illustrated in FIG. 1. As will be discussed in greater detail below, the selector 148 can be manipulated to switch the state of the lift assembly 136.
  • the lift assembly 136 in other words, can be reconfigured during manufacturing and/or assembly, as well as in the field (e.g., after deployment on customer premises), to switch between the above-mentioned states.
  • the stand 100 can therefore be readily placed into states suitable to support either of the displays 1 16 and 120, reducing or avoiding shipment of the stand 100 for service, or replacement of portions of the stand 100.
  • FIG. 2 is a diagram of the example stand 100 viewed from the side, with the column 108 shown as being transparent to illustrate certain components of the lift assembly 136.
  • the lift assembly 136 can include a lift assembly body 200, to which the mount 1 12 can be affixed by fasteners or the like.
  • the lift assembly body 200 can be formed integrally with a portion of the mount 1 12.
  • the lift assembly 136 also includes, in the illustrated example, a first lift member 204 (which may also be referred to as a primary lift member 204) connected to the column 108 and to the mount 112.
  • the first lift member 204 can be supported by the lift assembly body 200 (which is in turn connected to the mount 112).
  • the lift assembly body 200 can include a first support 208 to couple the first lift member 204 to the lift assembly body 200.
  • the first lift member 204 can be a constant-force spring (e.g., a coiled spring that exerts substantially constant resistance to extension), and the first support 208 can be a fastener or the like coupling the first lift member 204 to the lift assembly body 200.
  • the first lift member 204 can include other suitable lift forcegenerating components, including coil springs, weighted pulleys, and the like.
  • the first lift member 204 can be connected to the column 108 at a first anchor 212, such as a bolt or other fastener extending through the first lift member 204 and into a wall of the column 108.
  • the connection of the first lift member 204 to the mount 1 12 and to the column 108 enables the first lift member 204 to apply a first lift force (such as the lift force 140 mentioned above) between the column 108 and the mount 1 12.
  • the first lift member 204 is connected to the column 108 and to the mount 1 12 in both the first state and the second state (e.g., irrespective of the state of manipulation of the selector 148), and the first lift member 204 therefore applies the first lift force in both the first state and the second state.
  • the lift assembly 136 further includes a second lift member 216, such as a constant-force spring, a coil spring, a weighted pulley, or other suitable lift forcegenerating component.
  • the second lift member is connected to both the column 108 and the mount 112 (e.g., via the lift assembly body 200), to apply an auxiliary force that is additive with the first lift force to produce the second lift force.
  • the second lift member 216 is disconnected from either the column 108 or the mount 1 12. In the first state, in other words, the second lift member 216 does not apply the auxiliary lift force to the column 108 relative to the mount 1 12.
  • the second lift member 216 is connected to the lift assembly body 200, for example by a support 220.
  • the second lift member 216 is connectable to the column 108 via a second anchor 224.
  • the second anchor 224 can be connected to the column in the second state, and disconnected from the column 108 in the first state.
  • the selector 148 can be manipulated to switch the lift assembly 136 between the first state, in which only the first lift force mentioned above is applied, and the second state, in which both the first lift force and the auxiliary lift force are applied.
  • the lift assembly 136 is illustrated according to some examples.
  • the primary lift member 204 is implemented, in the illustrated example, as a set of lift members 204a and 204b, with a common anchor 212 to the column 108 as mentioned above in connection with FIG. 2.
  • the primary lift member 204 can be implemented as a set of three or more lift members in other examples.
  • additional lift members similar to either or both of the lift members 204a and 204b can be deployed in series as part of a set forming the primary lift member 204.
  • the set of lift members mentioned above can have a common anchor 212 to the column 108, and can be housed partially or entirely within the column 108.
  • the number of individual lift members employed to implement the primary lift member can be selected according to a desired lift force to be generated by the lift assembly 136, and/or according to physical constraints such as the available space within the column 108.
  • implementation of the primary lift member 204 as the set of lift members 204a and 204b can be employed when space within the column 108 is insufficient to accommodate a single lift member with the desired lift force.
  • the lift members 204a and 204b are connected to the lift assembly body 200 by respective supports 208a and 208b.
  • the anchor 224 connecting the second lift member 216 to the column 108 in the second state is implemented, in some examples, as an anchor block 224a to which the second lift member 216 is affixed, e.g., by a fastener 224b.
  • the anchor block 224a is positioned adjacent to the selector 148.
  • the selector 148 is coupled to the column.
  • the selector 148 can be supported on an internal wall 300 of the column 108.
  • the selector 148 can extend through the internal wall 300 to engage with the anchor block 224a in the second state. Through such engagement, the selector 148 can retain the anchor block 224a against the internal wall 300, thus coupling the anchor block 224a to the column 108 while the remainder of the lift assembly 136 travels within the column 108.
  • the second lift member 216 applies the above-mentioned auxiliary force, which adds to the first lift force applied by the first lift member 204 to produce a second lift force (e.g. the second lift force 144 shown in FIG. 1 ).
  • FIGS. 4A and 4B operation of the selector 148 in some examples, e.g., in conjunction with the anchor block 224a, will be discussed.
  • FIG. 4A illustrates the second lift member, and the selector 148, as well as a cross sectional view of the anchor block 224a.
  • the cross sectional view is taken at the plane P4 illustrated in the detailed view 304 of FIG. 3.
  • the remaining components of the stand 100 are omitted from FIGS. 4A and 4B.
  • the selector 148 includes a lock 400 extending therefrom towards the anchor block 224a, e.g., through the internal wall 300 of the column 108 (shown in FIG. 3).
  • the anchor block 224a includes an opening 404 and a chamber 408 to removably receive the lock 400.
  • the lock 400 is shaped to enter and exit the opening 404 in a first position, shown in FIG. 4A, and to engage with the inside of the chamber 408 in a second position, shown in FIG. 4B, to retain the lock 400 within the chamber 408.
  • the selector 148 (and therefore the lock 400) are movable, e.g. by rotation, relative to the column 108, to transition the lock 400 between the positions shown in FIGS. 4A and 4B.
  • FIGS. 5A and 5B illustrate the operation of the lift assembly 136 in the first state, in which the anchor block 224a is disconnected from the column 108.
  • the anchor block 224a travels with the lift assembly 136, and does not apply a lift force attracting the second lift member 216 to the selector 148.
  • the first lift member 204 applies a lift force via the support 208 and the anchor 212, as evidenced by elongation of the first lift member 204 when the mount 1 12 is moved downwards as shown in FIG. 5B.
  • the lift assembly 136 therefore, in the arrangement illustrated in FIGS. 5A and 5B, applies the first lift force 140 between the column 108 and the mount 1 12.
  • FIGS. 6A and 6B operation of the lift assembly 136 in the second state is illustrated.
  • the anchor block 224a is connected to the column via the fastener 224b and the selector 148. Therefore, the second lift member 216 applies an auxiliary lift force 600 to the mount 1 12 from the column 108.
  • the first lift member 204 applies the first lift force 140 as mentioned above.
  • the anchor block 224a no longer travels with the remainder of the lift assembly 136, but remains connected to the column, as shown in FIG. 6B.
  • the second lift member 216 therefore elongates while applying the auxiliary lift force 600.
  • the sum of the auxiliary lift force 600 and the first lift force 140 can sum to the second lift force 144.
  • the selector 148 can be disposed on an external surface of the column 108 in some examples. In other examples, however, as illustrated in FIG. 1 , the selector 148 is housed within the column 108. To enable access to the selector 148, therefore, the column 108 can include a cover 700 that is removable to expose the selector 148. Thus, to switch the lift assembly 136 between the first state and the second state, the cover 700 can be removed, the selector 148 manipulated, and the cover 700 replaced.
  • operation of the stand 100 includes performance of a method comprising: positioning a selector to set a state of a lift assembly connected to a column and a mount of a display stand, the lift assembly having (i) a first state to apply a first lift force associated with the first display to the mount, and (ii) a second state to apply a second lift force associated with the second display to the mount; and affixing a display to the mount.
  • the method can further include installing the lift assembly into the column. [0051] The method can further include: prior to positioning the selector, removing a previously mounted display from the mount.
  • the method can further include: placing a cover over the selector.
  • FIG. 8 shows a flowchart of a method 800 of operating the stand 100 to interchangeably support displays with different weights (e.g., the displays 1 16 and 120).
  • the stand 100 Prior to setting the lift force to be applied by the lift assembly 136, the stand 100 can be prepared for adjustment. For example, at the time of manufacturing and/or assembly of the stand 100, at block 805 the lift assembly 136 can be installed into the column 108. Because the lift assembly has selectable states, the same lift assembly 136 can be installed regardless of which display is to be mounted to the stand 100.
  • performance of the method 800 can include, at block 810, removing the previously affixed display.
  • the stand 100 includes the cover 700
  • the cover 700 can also be removed at block 810.
  • the selector 148 is positioned, by moving the selector 148 to a position corresponding to one of the first state and the second state.
  • the selector 148 can be rotated to one of the positions shown in FIGS. 4A and 4B.
  • a display is affixed to the mount 1 12.
  • a display with a weight corresponding to the lift force applied by the lift assembly 136 in the state set at block 815 can be affixed to the mount 1 12, e.g. by attaching the display to the mechanical interface 124.
  • the height of the display relative to the base 104 can also be adjusted, by manipulating the display and/or the mount 1 12.
  • the cover 700 if used, can optionally be replaced onto the column 108.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Display Racks (AREA)

Abstract

L'invention concerne un socle d'écran à hauteur réglable qui comprend : une base ; une colonne se déployant depuis la base ; une structure de montage accouplée de manière mobile à la colonne à une hauteur réglable par rapport à la base, la structure de montage supportant de manière interchangeable un premier socle et un second socle ; un ensemble de levage relié à la colonne et à la structure de montage, l'ensemble de levage socle (i) un premier état pour appliquer une première force de levage associée au premier socle à la structure de montage, et (ii) un second état pour appliquer une seconde force de levage associée au second socle à la structure de montage ; et un sélecteur pour commuter l'ensemble de levage entre le premier état et le second état.
PCT/US2021/056830 2021-10-27 2021-10-27 Socles d'écran à hauteur réglable avec forces de levage sélectionnables WO2023075764A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2021/056830 WO2023075764A1 (fr) 2021-10-27 2021-10-27 Socles d'écran à hauteur réglable avec forces de levage sélectionnables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2021/056830 WO2023075764A1 (fr) 2021-10-27 2021-10-27 Socles d'écran à hauteur réglable avec forces de levage sélectionnables

Publications (1)

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WO2023075764A1 true WO2023075764A1 (fr) 2023-05-04

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020126110A1 (en) * 2001-02-15 2002-09-12 Julian Bowron Flip display screen and methods of using same
US20070206349A1 (en) * 2006-03-03 2007-09-06 Jacobs Matthew B Adjustable display screen for a laptop computer
RU2336455C2 (ru) * 2003-12-30 2008-10-20 Зетадисплей Аб Дисплейный стенд

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020126110A1 (en) * 2001-02-15 2002-09-12 Julian Bowron Flip display screen and methods of using same
RU2336455C2 (ru) * 2003-12-30 2008-10-20 Зетадисплей Аб Дисплейный стенд
US20070206349A1 (en) * 2006-03-03 2007-09-06 Jacobs Matthew B Adjustable display screen for a laptop computer

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