US20090179128A1 - Low-profile flat panel display mount - Google Patents
Low-profile flat panel display mount Download PDFInfo
- Publication number
- US20090179128A1 US20090179128A1 US12/319,483 US31948309A US2009179128A1 US 20090179128 A1 US20090179128 A1 US 20090179128A1 US 31948309 A US31948309 A US 31948309A US 2009179128 A1 US2009179128 A1 US 2009179128A1
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- United States
- Prior art keywords
- mount assembly
- panel
- mounting device
- display mounting
- shaft
- Prior art date
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- Abandoned
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F7/20—Means for attaching signs, plates, panels, or boards to a supporting structure for adjustably mounting
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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
- F16M11/02—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
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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
- F16M11/20—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
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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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
Definitions
- Panel displays include a display and a display mounting device configured to secure the display to a surface.
- Displays include information panels, televisions, and/or monitors.
- flat panel displays have been developed having a space-saving depth of only a few inches and designed to be attractively mounted on a wall in a home or an office.
- the known display mounting devices employed to mount these flat panel displays are inconsistent with the space-saving design, and often have a thickness that is greater than the thickness of the flat panel display.
- the conventional display mounting devices are adjustable, the adjustability is achieved at the expense of bulky mechanisms that further increase the thickness of the mounting devices.
- a display mounting device including a wall mount assembly attachable to a surface, and a panel mount assembly coupled to the wall mount assembly and attachable to a display.
- the panel mount assembly is movable relative to the wall mount assembly, and movement of the panel mount assembly relative to the wall mount assembly includes movement of at least one shaft subject to a differential braking torque.
- a display mounting device including a wall mount assembly attachable to a surface, a panel mount assembly attachable to a display, the panel mount assembly including a tilting shaft configured to tilt the display, and a link arm assembly coupled between the wall mount assembly and the panel mount assembly.
- the panel mount assembly is movable relative to the wall mount assembly through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
- a display mounting device including a wall mount assembly attachable to a surface, a panel mount assembly including a tilt shaft and at least one bracket coupled to the tilt shaft, the bracket attachable to a display, and a link arm assembly coupled between the wall mount assembly and the panel mount assembly.
- the bracket includes a strap that applies a differential braking torque to the tilt shaft when the tilt shaft is rotated.
- FIG. 1 is a perspective view of a display mounting device attached to a flat panel display according to one embodiment.
- FIG. 2 is a perspective view of the display mounting device shown in FIG. 1 .
- FIG. 3A and FIG. 3B are top cross-sectional views of a two embodiments of shafts employed with a link arm assembly of the display mounting device shown in FIG. 2 .
- FIG. 3C is a perspective view and FIG. 3D is a side view of a tilting shaft of the display mounting device configured for differential braking torque according to one embodiment.
- FIG. 4 is a side view of the flat panel display shown in FIG. 1 tilted relative to a wall.
- FIG. 5 is a side view of the display mounting device shown in FIG. 1 stowed in a low-profile manner against a wall.
- FIG. 6 is a front perspective view of another display mounting device according to one embodiment.
- FIG. 7 is a front perspective view of the display mounting device shown in FIG. 6 in an extended state.
- FIG. 8 is a side view of the display mounting device shown in FIG. 6 attached to a display and collapsed in a low-profile manner against a wall.
- degrees of freedom means the set of independent displacements and/or rotations that specify the displacement or position or orientation of a body.
- a body that moves in three-dimensional space may have three translational degrees of freedom and three rotational degrees of freedom for a total of six degrees of freedom. Translation is movement without rotation, while rotation is angular motion about an axis.
- tilt means rotational movement about the X-axis.
- Tilt has the same meaning as pitch in nautical/mechanical terms.
- pan means rotational movement about the Y-axis. Pan has the same meaning as yaw in nautical/mechanical terms.
- Tilt and pan are rotational movements.
- swing means movement along the X-axis (e.g., movement left and right). Swing has the same meaning as sway in nautical/mechanical terms.
- telescope means movement along the Z-axis (e.g., movement forward and backward). Telescope has the same meaning as surge in nautical/mechanical terms.
- Swing and telescope are translational movements.
- torque means a force employed to rotate an object.
- Torque is analogous to the force employed to twist a shaft.
- braking torque means a resistance force impeding rotation of an object.
- differential braking torque is defined to be a non-zero difference between the braking torque for an object rotating in a first direction relative to the braking torque for the object rotating in a second direction.
- differential braking torque means that the braking torque for a shaft rotating clockwise is different than the braking torque for the shaft when it is rotating counter-clockwise.
- full range of motion for a display mounting device is defined to include at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
- FIG. 1 is a perspective view of a display assembly 10 according to one embodiment.
- Display assembly 10 includes a display 12 coupled to a display mounting device 14 , where the display mounting device 14 is configured for attachment to surface, such as a wall W, for example, by any form of suitable connectors 16 .
- the display mounting device 14 includes shafts connected between panels that combine to enable the display 12 to be moved away from and be tilted/extended from the wall W at nearly any desired orientation, for example, through a combination of movements about (or relative to) shafts 28 and a tilting shaft 42 .
- at least one of the shafts 28 , 42 is subject to a differential braking torque that allows even large and heavy displays 12 to be selectively positioned in a desired orientation relative to wall W.
- the display 12 includes electronic displays and non-electronic displays, such as photographs, paintings, and artwork.
- the display 12 is an electronic display, such as a television, a computer monitor, or other information display.
- the display 12 is a 50 inch Pro-101FD flat panel display that is about 9 mm thick and available from Pioneer Electronics, Tokyo, Japan. In general, larger displays will be heavier.
- the display mounting device 14 enables the controlled movement and placement of heavy/large displays away from walls to which the displays are attached.
- FIG. 2 is a perspective view of the display mounting device 14 according to one embodiment.
- the display mounting device 14 includes a wall mounting assembly 20 that is attachable to a wall or other surface by connectors 16 , a panel mount assembly 22 configured to couple to the display 12 ( FIG. 1 ), and a link arm assembly 24 coupled between the wall mounting assembly 20 and the panel mount assembly 22 . Movement of the panel mount assembly 22 relative to the wall mounting assembly 20 is facilitated by at least one of the shafts 28 , 42 being subjected to a differential braking torque.
- the wall mounting assembly 20 includes a wall bracket 30 and an add-on bracket 32 that is coupleable to the wall bracket 30 .
- the wall bracket 30 and the add-on bracket 32 are generally planar members coupled together and attached to a wall that thus defines an X-Y plane. As described herein, the X-axis is oriented horizontally and the Y-axis is oriented vertically, with a Z-axis extending out of the X-Y plane away from the wall.
- the wall bracket 30 is configured to be attached to a predetermined (measured) location on wall or other surface by the connector 16 , and the add-on bracket 32 is attachable to the wall bracket 30 by any suitable fastening mechanism.
- the wall bracket 30 is attached to a wall by connector 16 , and a consumer or technician connects the add-on bracket 32 to the wall bracket 30 in a desired location along the X-Y plane.
- the panel mount assembly 22 includes a tilting bracket 40 coupled to the link arm assembly 24 , a tilting shaft 42 coupled to the tilting bracket 40 by a hinge 54 a, and panel brackets 44 , 46 coupled to the tilting shaft 42 . It is to be understood that although two panel brackets 44 , 46 are illustrated, the display mounting device 14 can include a single panel bracket 44 or multiple panel brackets.
- At least the tilting shaft 42 is selectively dampened by an appropriate strap/bracket assembly described below that imparts a differential braking torque to the tilting shaft 42 .
- the differential braking torque necessitates more force when turning the tilting shaft 42 in the counter-clockwise direction (e.g., when tilting the display 12 of FIG. 1 downward for viewing), and a proportionally lower force when turning the tilting shaft 42 in the clockwise direction (e.g., when tilting the display 12 of FIG. 1 upward against the wall W).
- the weight of the display 12 is countered or offset by the increased torque imparted to the tilting shaft 42 when rotating the shaft 42 in the counter-clockwise direction to tilt the display downward from the wall W toward a seated observer; and when the display is returned to its stowed position against the wall W by tilting the display upward, less force is needed to turn the tilting shaft 42 back in the clockwise direction.
- the differential braking torque applied to the tilting shaft 42 accounts for the weight of the display 12 as the display 12 is tilted down, and thus has the effect providing equally balanced downward/upward movement of the display 12 . In this manner, the differential braking torque applied to the tilting shaft 42 provides the user with a pleasant user-interface.
- the panel mount assembly 22 is movable relative to the wall mount assembly 30 through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom. At least the tilt degree of freedom is dampened by a differential braking torque applied to tilting shaft 42 . In one embodiment, all of the degrees of freedom are dampened by a differential braking torque applied to shafts 28 and to tilting shaft 42 .
- the link arm assembly 24 includes a first link arm panel 50 pivotably coupled to a second link arm panel 52 by hinge 54 b secured to shaft 28 b, a second hinge 54 c coupled between first link arm panel 50 and add-on bracket 32 and secured to shaft 28 c, and a third hinge 54 d coupled between the second link arm panel 52 and the tilting bracket 40 and secured to shaft 28 d.
- the hinges 54 a, 54 b, 54 c, 54 d enable display mounting device 14 to move through multiple degrees of freedom. For example, display mounting device 14 moves relative to the X-Y plane such that the link arm assembly 24 telescopes away from the wall mount assembly 30 , brackets 44 , 46 sway along the X-axis, brackets 44 , 46 tilt around the X-axis, and brackets 44 , 46 yaw in an arc around the Y-axis.
- the link arm assembly 24 telescopes away from the wall mounting assembly 20 along the Z-axis and is configured to collapse or fold in a nested manner such that the panel mount assembly 22 folds flat against the X-Y plane of the wall mounting assembly 20 .
- the display mounting device 14 is configured to mount the display 12 to a wall or any other suitable surface where the display mounting device 14 includes pan, tilt, swivel, swing/sway, and telescoping ranges of motions.
- the display mounting device 14 includes a dual-nested panel asymmetrical design that is characterized by the tilting bracket 40 nesting with the second link arm panel 52 , which folds flat against the first link arm panel 54 such that the panel mount assembly 22 nests against/into the wall mounting assembly 20 .
- the display mounting device 14 has a low profile in which the panel brackets 44 , 46 retract to a stowed position that extends from the wall W ( FIG. 1 ) by less than 3.4 inches, preferably by less than 2.4 inches away from the wall, and more preferably by about 1 inch away from the wall W.
- FIG. 3A and FIG. 3B are cross-sectional views of two embodiments of attachment mechanisms for shaft 28 b.
- shaft 28 b is dampened by friction but does not include the differential braking torque provided to tilting shaft 42 .
- the cross-sectional views are taken through the link arm panel 50 .
- a U-shaped member 60 frictionally fits around shaft 28 b and is coupled to the link arm panel 50 .
- the U-shaped member 60 includes opposing flanges 62 , 64 that are configured to be fastened to the link arm panel 50 in a manner that squeezes U-shaped member 60 against shaft 28 b.
- the U-shaped member 60 defines an inside height H and the shaft 28 b defines an outside diameter D, where the height H of U-shaped member 60 is less than the diameter D of the shaft 28 b. In this manner, when the U-shaped member 60 is attached to the shaft 28 b, for example, via a lock screw, the shaft 28 b is tensioned or damped by the U-shaped member 60 .
- the shaft 28 b is tension-adjustable by selectively adjusting the attachment force of connectors attached between flanges 62 , 64 and the link arm panel 50 .
- the tension-adjustable link arm assembly 24 ( FIG. 2 ) enables translation and rotation of the panel mount assembly 22 and the display 12 ( FIG. 1 ).
- FIG. 3B is a cross-sectional view of another embodiment of the link arm panel 50 including a hook end 66 that frictionally fits around the shaft 28 b.
- the hook end 66 includes an end portion 68 that is adapted to be selectively tightened against panel 50 to adjust a level of tension for the shaft 28 b.
- FIG. 3C is a perspective view and FIG. 3D is a side view of hinge 54 a including tilting shaft 42 selectively tensioned with a differential braking torque.
- the hinge 54 a is generally compatible with any of the panels 40 , 50 , 52 , and any of the panels 40 , 50 , 52 can be formed to provide differential torque to a respective one of the shafts 28 b, 28 c, 28 d, or 42 ( FIG. 2 ).
- the tilting bracket 40 (or panel 40 ) includes a base 70 that terminates in a curved pad 72 , and the hinge 54 a includes a strap 74 that secures tilting shaft 42 to the curved pad 72 .
- the tilting shaft 42 defines an outside diameter (OD), and curved pad 72 is formed to be substantially semicircular to have a curvature that is complementary to the OD of tilting shaft 42 .
- Hinge 54 a is configured such that strap 74 and curved pad 72 combine to provide controlled torque that is delivered to tilting shaft 42 as panel 40 is moved. Hinge 54 a has low inertia such that movement of the panel 40 is accomplished with a moderately low force that need not overcome the weight of the conventional massive tilting mechanisms.
- Strap 74 is coupled to base 70 by an adjustment mechanism 76 .
- the strap 74 is configured to be tightened or loosened by adjustment mechanism 76 to selectively adjust a level of braking torque delivered between curved pad 72 and strap 74 to the shaft 28 .
- adjustment mechanism 76 includes a screw 77 and a nut 78 that threads onto the screw 77 to tighten/loosen strap 74 around a portion of shaft 28 .
- Suitable materials for strap 74 include metals in general.
- strap 74 is fabricated from 301 stainless steel. It is also acceptable to fabricate strap from 302 stainless steel or from Austenitic non-hardenable chromium nickel steel. In other embodiments, strap 74 is fabricated from heat treated steel or spring steel.
- FIG. 3D illustrates an optional liner 80 provided between shaft 42 and curved pad 72 .
- the optional liner 80 provides a sacrificial bearing that offers some lubricity between the two contacting metals of shaft 42 and strap 74 to minimize or eliminate galling between the metal strap 74 and the metal shaft 42 .
- Suitable materials for the liner 80 include polymers such as nylon, Teflon, or polyester or metal bushings such as brass, bronze, or stainless steel.
- the braking torque delivered to the shaft 42 by the curved pad 72 and the strap 74 is a differential braking torque in which the rotational resistance delivered to the shaft 42 is different between the clockwise and the counter-clockwise directions.
- shaft 42 is provided with differential braking torque having a clockwise braking torque T 1 that is about 30% less than a counter-clockwise braking torque T 2 (e.g., T 1 is about 0.7T2).
- the clockwise braking torque T 1 has a value between 0 to 1200 pounds force-inch (lbs f -in) and the counter-clockwise braking torque T 2 has a value between ⁇ 3900 to 0 lbs f -in (the negative value by convention represents counter-clockwise movement).
- the clockwise braking torque T 1 be less than the counter-clockwise braking torque T 2
- the counter-clockwise braking torque T 2 can be less than the clockwise braking torque T 1 .
- strap 74 is configured to be self-tightening in the counter-clockwise direction, such that torsional rotation in the counter-clockwise direction is met with a greater braking force than torsional movements in the clockwise direction.
- the strap 74 applies a brake force to the tilting shaft 42 to hold/maintain the tilting shaft at rest so the display 12 stays where it has been positioned.
- each of the hinges 54 a, 54 b, 54 c, 54 d provides differential braking torque to its respective shaft 42 , 28 b, 28 c, 28 d.
- the panels 40 , 50 , 52 are provided in a “clamshell” construction having two halves that move independently along a shaft.
- a multi-piece clamshell panel as illustrated in FIG. 2 is formed that enables friction-damped link arm assembly 24 to extend and sway relative to wall mounting assembly 20 and panel mount assembly 22 .
- the clamshell structure enables display mounting device 14 to fold flat against a wall (e.g., the stowed position) at a profile distance of less than 2 inches, and preferably at a distance less than about 1 inch.
- FIG. 4 is a side view of the display assembly 10 .
- the display mounting device 14 is connected to the wall W by the connector 16 .
- the display 12 is connected to the panel brackets 44 , 46 (one shown) and is configured to telescope/extend away from the wall bracket 30 , tilt up/down relative to the wall W, swing left/right relative to the wall W, and translate/pan left and right along an arc.
- the display 12 has been tilted down relative to the wall W on the axis of the tilting shaft 42 (the tilting shaft 42 has been rotated in the counter-clockwise direction).
- the tilting shaft 42 is subject to differential braking torque that is characterized by more force being called for to rotate the shaft 42 in the counter-clockwise direction (compared to the clockwise direction).
- the greater differential braking torque in the counter-clockwise direction is overcome by the weight of the display 12 . Consequently, the user has the sensation that it is equally easy to tilt the display 12 down as it is to tilt the display 12 back up.
- FIG. 5 is a side view of the display assembly 10 illustrating the display mounting device 14 in a stowed position folded against the wall W.
- the display mounting device 14 provides a low-profile mount for the flat panel display 12 .
- the display mounting device 14 is collapsible against the wall W such that the display 12 projects a small distance L away from the wall W.
- the distance L is less than 3.5 inches, preferably the distance L is less than 2.5 inches, more preferably the distance L is less than 1.5 inches.
- the distance L between the display 12 and the wall W is between about 0.5-1.5 inches.
- FIGS. 6-8 provide views of another embodiment of a display mounting device 114 .
- FIG. 6 is a front perspective view of the display mounting device 114
- FIG. 7 is a front perspective view of the display mounting device 114 shown in an extended state
- FIG. 8 is a side view of the display mounting device 114 shown in a stowed, low-profile state according to various embodiments.
- the display mounting device 114 includes a wall mounting assembly 120 that is attachable to a wall or other surface by connectors, a panel mount assembly 122 including the tilting shaft 42 and the hinge 54 a (as described above) coupled to panel 140 , and a link arm assembly 124 coupled between the wall mounting assembly 120 and the panel mount assembly 122 .
- the link arm assembly 124 includes a first link arm panel 150 , a second link arm panel 152 pivotably coupled to the first link arm panel 150 by hinge 154 , a second hinge 156 coupled between first link arm panel 150 and the wall mounting assembly 120 , and a third hinge 158 coupled between the second link arm panel 152 and the panel 140 of the panel mount assembly 122 .
- the first and second link arm panels 150 , 152 are configured to nest together when the display mounting device 114 is folded flat.
- At least the tilting shaft 42 is configured to include a differential braking torque.
- the link arm panel 152 is movable relative to the wall mounting assembly 120 through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom, and at least the tilt degree of freedom about the tilting shaft 42 is dampened by a differential braking torque.
- the display mounting device 114 includes a single-nested panel asymmetrical design that is characterized by the second link arm panel 152 folding flat against the first link arm panel 150 such that the panel mount assembly 22 nests against the wall mounting assembly 120 .
- Embodiments provide a display mounting device configured to mount a display to a wall where movement of the display relative to the wall includes movement of at least one shaft subject to a differential braking torque.
- Embodiments provide a display mounting device that is movable relative to a wall to which it is attached through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom. At least the tilt degree of freedom is dampened by a differential braking torque.
Abstract
A display mounting device includes a wall mount assembly attachable to a surface, and a panel mount assembly coupled to the wall mount assembly and attachable to a display. The panel mount assembly is movable relative to the wall mount assembly, and movement of the panel mount assembly relative to the wall mount assembly includes movement of at least one shaft subject to a differential braking torque.
Description
- This Non-Provisional Patent Application claims the benefit of the filing date of U.S. Provisional Patent Application Ser. No. 61/011,022 filed Jan. 14, 2008, entitled “LOW-PROFILE FLAT PANEL DISPLAY MOUNT.”
- Panel displays include a display and a display mounting device configured to secure the display to a surface. Displays include information panels, televisions, and/or monitors. Recently, flat panel displays have been developed having a space-saving depth of only a few inches and designed to be attractively mounted on a wall in a home or an office. The known display mounting devices employed to mount these flat panel displays are inconsistent with the space-saving design, and often have a thickness that is greater than the thickness of the flat panel display. In addition, to the limited degree that the conventional display mounting devices are adjustable, the adjustability is achieved at the expense of bulky mechanisms that further increase the thickness of the mounting devices.
- For these and other reasons, there is a need for the present invention.
- One aspect provides a display mounting device including a wall mount assembly attachable to a surface, and a panel mount assembly coupled to the wall mount assembly and attachable to a display. The panel mount assembly is movable relative to the wall mount assembly, and movement of the panel mount assembly relative to the wall mount assembly includes movement of at least one shaft subject to a differential braking torque.
- One aspect provides a display mounting device including a wall mount assembly attachable to a surface, a panel mount assembly attachable to a display, the panel mount assembly including a tilting shaft configured to tilt the display, and a link arm assembly coupled between the wall mount assembly and the panel mount assembly. The panel mount assembly is movable relative to the wall mount assembly through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
- One aspect provides a display mounting device including a wall mount assembly attachable to a surface, a panel mount assembly including a tilt shaft and at least one bracket coupled to the tilt shaft, the bracket attachable to a display, and a link arm assembly coupled between the wall mount assembly and the panel mount assembly. The bracket includes a strap that applies a differential braking torque to the tilt shaft when the tilt shaft is rotated.
- The accompanying drawings are included to provide a further understanding of embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and, together with the description, serve to explain principles of embodiments. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.
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FIG. 1 is a perspective view of a display mounting device attached to a flat panel display according to one embodiment. -
FIG. 2 is a perspective view of the display mounting device shown inFIG. 1 . -
FIG. 3A andFIG. 3B are top cross-sectional views of a two embodiments of shafts employed with a link arm assembly of the display mounting device shown inFIG. 2 . -
FIG. 3C is a perspective view andFIG. 3D is a side view of a tilting shaft of the display mounting device configured for differential braking torque according to one embodiment. -
FIG. 4 is a side view of the flat panel display shown inFIG. 1 tilted relative to a wall. -
FIG. 5 is a side view of the display mounting device shown inFIG. 1 stowed in a low-profile manner against a wall. -
FIG. 6 is a front perspective view of another display mounting device according to one embodiment. -
FIG. 7 is a front perspective view of the display mounting device shown inFIG. 6 in an extended state. -
FIG. 8 is a side view of the display mounting device shown inFIG. 6 attached to a display and collapsed in a low-profile manner against a wall. - In the following Detailed Description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as “top,” “bottom,” “front,” “back,” “leading,” “trailing,” etc., is used with reference to the orientation of the Figure(s) being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.
- It is to be understood that the features of the various exemplary embodiments described herein may be combined with each other, unless specifically noted otherwise.
- In this specification, the phrase “degrees of freedom” means the set of independent displacements and/or rotations that specify the displacement or position or orientation of a body. A body that moves in three-dimensional space may have three translational degrees of freedom and three rotational degrees of freedom for a total of six degrees of freedom. Translation is movement without rotation, while rotation is angular motion about an axis.
- The following definitions are taken relative to a wall defining an X-Y plane, with the X-axis oriented horizontally and the Y-axis oriented vertically, with a Z-axis extending out of the X-Y plane away from the wall:
- In this specification, tilt means rotational movement about the X-axis. Tilt has the same meaning as pitch in nautical/mechanical terms.
- In this specification, pan means rotational movement about the Y-axis. Pan has the same meaning as yaw in nautical/mechanical terms.
- Tilt and pan are rotational movements.
- In this specification, swing means movement along the X-axis (e.g., movement left and right). Swing has the same meaning as sway in nautical/mechanical terms.
- In this specification, telescope means movement along the Z-axis (e.g., movement forward and backward). Telescope has the same meaning as surge in nautical/mechanical terms.
- Swing and telescope are translational movements.
- In this specification, torque means a force employed to rotate an object. Torque is analogous to the force employed to twist a shaft.
- In this specification, braking torque means a resistance force impeding rotation of an object.
- In this specification, differential braking torque is defined to be a non-zero difference between the braking torque for an object rotating in a first direction relative to the braking torque for the object rotating in a second direction. For example, differential braking torque means that the braking torque for a shaft rotating clockwise is different than the braking torque for the shaft when it is rotating counter-clockwise.
- In this specification, full range of motion for a display mounting device is defined to include at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
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FIG. 1 is a perspective view of adisplay assembly 10 according to one embodiment.Display assembly 10 includes adisplay 12 coupled to adisplay mounting device 14, where thedisplay mounting device 14 is configured for attachment to surface, such as a wall W, for example, by any form ofsuitable connectors 16. - The
display mounting device 14 includes shafts connected between panels that combine to enable thedisplay 12 to be moved away from and be tilted/extended from the wall W at nearly any desired orientation, for example, through a combination of movements about (or relative to)shafts 28 and a tiltingshaft 42. In one embodiment, at least one of theshafts heavy displays 12 to be selectively positioned in a desired orientation relative to wall W. - The
display 12 includes electronic displays and non-electronic displays, such as photographs, paintings, and artwork. In one embodiment, thedisplay 12 is an electronic display, such as a television, a computer monitor, or other information display. In one embodiment, thedisplay 12 is a 50 inch Pro-101FD flat panel display that is about 9 mm thick and available from Pioneer Electronics, Tokyo, Japan. In general, larger displays will be heavier. Thedisplay mounting device 14 enables the controlled movement and placement of heavy/large displays away from walls to which the displays are attached. -
FIG. 2 is a perspective view of thedisplay mounting device 14 according to one embodiment. Thedisplay mounting device 14 includes awall mounting assembly 20 that is attachable to a wall or other surface byconnectors 16, apanel mount assembly 22 configured to couple to the display 12 (FIG. 1 ), and alink arm assembly 24 coupled between thewall mounting assembly 20 and thepanel mount assembly 22. Movement of thepanel mount assembly 22 relative to thewall mounting assembly 20 is facilitated by at least one of theshafts - In one embodiment, the
wall mounting assembly 20 includes awall bracket 30 and an add-onbracket 32 that is coupleable to thewall bracket 30. In one embodiment, thewall bracket 30 and the add-onbracket 32 are generally planar members coupled together and attached to a wall that thus defines an X-Y plane. As described herein, the X-axis is oriented horizontally and the Y-axis is oriented vertically, with a Z-axis extending out of the X-Y plane away from the wall. - The
wall bracket 30 is configured to be attached to a predetermined (measured) location on wall or other surface by theconnector 16, and the add-onbracket 32 is attachable to thewall bracket 30 by any suitable fastening mechanism. In one embodiment, thewall bracket 30 is attached to a wall byconnector 16, and a consumer or technician connects the add-onbracket 32 to thewall bracket 30 in a desired location along the X-Y plane. - In one embodiment, the
panel mount assembly 22 includes a tiltingbracket 40 coupled to thelink arm assembly 24, a tiltingshaft 42 coupled to the tiltingbracket 40 by ahinge 54 a, andpanel brackets shaft 42. It is to be understood that although twopanel brackets display mounting device 14 can include asingle panel bracket 44 or multiple panel brackets. - In one embodiment, at least the tilting
shaft 42 is selectively dampened by an appropriate strap/bracket assembly described below that imparts a differential braking torque to the tiltingshaft 42. In one embodiment, the differential braking torque necessitates more force when turning the tiltingshaft 42 in the counter-clockwise direction (e.g., when tilting thedisplay 12 ofFIG. 1 downward for viewing), and a proportionally lower force when turning the tiltingshaft 42 in the clockwise direction (e.g., when tilting thedisplay 12 ofFIG. 1 upward against the wall W). For example, the weight of thedisplay 12 is countered or offset by the increased torque imparted to the tiltingshaft 42 when rotating theshaft 42 in the counter-clockwise direction to tilt the display downward from the wall W toward a seated observer; and when the display is returned to its stowed position against the wall W by tilting the display upward, less force is needed to turn the tiltingshaft 42 back in the clockwise direction. The differential braking torque applied to the tiltingshaft 42 accounts for the weight of thedisplay 12 as thedisplay 12 is tilted down, and thus has the effect providing equally balanced downward/upward movement of thedisplay 12. In this manner, the differential braking torque applied to the tiltingshaft 42 provides the user with a pleasant user-interface. - In one embodiment, the
panel mount assembly 22 is movable relative to thewall mount assembly 30 through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom. At least the tilt degree of freedom is dampened by a differential braking torque applied to tiltingshaft 42. In one embodiment, all of the degrees of freedom are dampened by a differential braking torque applied toshafts 28 and to tiltingshaft 42. - In one embodiment, the
link arm assembly 24 includes a firstlink arm panel 50 pivotably coupled to a secondlink arm panel 52 byhinge 54 b secured toshaft 28 b, a second hinge 54 c coupled between firstlink arm panel 50 and add-onbracket 32 and secured toshaft 28 c, and athird hinge 54 d coupled between the secondlink arm panel 52 and the tiltingbracket 40 and secured toshaft 28 d. - The hinges 54 a, 54 b, 54 c, 54 d enable
display mounting device 14 to move through multiple degrees of freedom. For example, display mountingdevice 14 moves relative to the X-Y plane such that thelink arm assembly 24 telescopes away from thewall mount assembly 30,brackets brackets brackets - The
link arm assembly 24 telescopes away from thewall mounting assembly 20 along the Z-axis and is configured to collapse or fold in a nested manner such that thepanel mount assembly 22 folds flat against the X-Y plane of thewall mounting assembly 20. In this manner, thedisplay mounting device 14 is configured to mount thedisplay 12 to a wall or any other suitable surface where thedisplay mounting device 14 includes pan, tilt, swivel, swing/sway, and telescoping ranges of motions. - In one embodiment, the
display mounting device 14 includes a dual-nested panel asymmetrical design that is characterized by the tiltingbracket 40 nesting with the secondlink arm panel 52, which folds flat against the first link arm panel 54 such that thepanel mount assembly 22 nests against/into thewall mounting assembly 20. In addition, thedisplay mounting device 14 has a low profile in which thepanel brackets FIG. 1 ) by less than 3.4 inches, preferably by less than 2.4 inches away from the wall, and more preferably by about 1 inch away from the wall W. -
FIG. 3A andFIG. 3B are cross-sectional views of two embodiments of attachment mechanisms forshaft 28 b. In one embodiment,shaft 28 b is dampened by friction but does not include the differential braking torque provided to tiltingshaft 42. The cross-sectional views are taken through thelink arm panel 50. - In one embodiment illustrated in
FIG. 3A , aU-shaped member 60 frictionally fits aroundshaft 28 b and is coupled to thelink arm panel 50. TheU-shaped member 60 includes opposingflanges link arm panel 50 in a manner that squeezesU-shaped member 60 againstshaft 28 b. In one embodiment, theU-shaped member 60 defines an inside height H and theshaft 28 b defines an outside diameter D, where the height H ofU-shaped member 60 is less than the diameter D of theshaft 28 b. In this manner, when theU-shaped member 60 is attached to theshaft 28 b, for example, via a lock screw, theshaft 28 b is tensioned or damped by theU-shaped member 60. Theshaft 28 b is tension-adjustable by selectively adjusting the attachment force of connectors attached betweenflanges link arm panel 50. The tension-adjustable link arm assembly 24 (FIG. 2 ) enables translation and rotation of thepanel mount assembly 22 and the display 12 (FIG. 1 ). -
FIG. 3B is a cross-sectional view of another embodiment of thelink arm panel 50 including ahook end 66 that frictionally fits around theshaft 28 b. Thehook end 66 includes anend portion 68 that is adapted to be selectively tightened againstpanel 50 to adjust a level of tension for theshaft 28 b. -
FIG. 3C is a perspective view andFIG. 3D is a side view ofhinge 54 a including tiltingshaft 42 selectively tensioned with a differential braking torque. It is to be understood that thehinge 54 a is generally compatible with any of thepanels panels shafts FIG. 2 ). - In one embodiment, the tilting bracket 40 (or panel 40) includes a base 70 that terminates in a
curved pad 72, and thehinge 54 a includes astrap 74 that secures tiltingshaft 42 to thecurved pad 72. In one embodiment, the tiltingshaft 42 defines an outside diameter (OD), andcurved pad 72 is formed to be substantially semicircular to have a curvature that is complementary to the OD of tiltingshaft 42. -
Hinge 54 a is configured such thatstrap 74 andcurved pad 72 combine to provide controlled torque that is delivered to tiltingshaft 42 aspanel 40 is moved.Hinge 54 a has low inertia such that movement of thepanel 40 is accomplished with a moderately low force that need not overcome the weight of the conventional massive tilting mechanisms. -
Strap 74 is coupled tobase 70 by anadjustment mechanism 76. Thestrap 74 is configured to be tightened or loosened byadjustment mechanism 76 to selectively adjust a level of braking torque delivered betweencurved pad 72 andstrap 74 to theshaft 28. In one embodiment,adjustment mechanism 76 includes ascrew 77 and anut 78 that threads onto thescrew 77 to tighten/loosenstrap 74 around a portion ofshaft 28. Suitable materials forstrap 74 include metals in general. In one embodiment,strap 74 is fabricated from 301 stainless steel. It is also acceptable to fabricate strap from 302 stainless steel or from Austenitic non-hardenable chromium nickel steel. In other embodiments,strap 74 is fabricated from heat treated steel or spring steel. -
FIG. 3D illustrates anoptional liner 80 provided betweenshaft 42 andcurved pad 72. Theoptional liner 80 provides a sacrificial bearing that offers some lubricity between the two contacting metals ofshaft 42 andstrap 74 to minimize or eliminate galling between themetal strap 74 and themetal shaft 42. Suitable materials for theliner 80 include polymers such as nylon, Teflon, or polyester or metal bushings such as brass, bronze, or stainless steel. - In one embodiment, the braking torque delivered to the
shaft 42 by thecurved pad 72 and thestrap 74 is a differential braking torque in which the rotational resistance delivered to theshaft 42 is different between the clockwise and the counter-clockwise directions. For example, in one embodiment,shaft 42 is provided with differential braking torque having a clockwise braking torque T1 that is about 30% less than a counter-clockwise braking torque T2 (e.g., T1 is about 0.7T2). In one embodiment, the clockwise braking torque T1 has a value between 0 to 1200 pounds force-inch (lbsf-in) and the counter-clockwise braking torque T2 has a value between −3900 to 0 lbsf-in (the negative value by convention represents counter-clockwise movement). Although it is desired that the clockwise braking torque T1 be less than the counter-clockwise braking torque T2, it is to be understood that for other applications the counter-clockwise braking torque T2 can be less than the clockwise braking torque T1. - In one embodiment,
strap 74 is configured to be self-tightening in the counter-clockwise direction, such that torsional rotation in the counter-clockwise direction is met with a greater braking force than torsional movements in the clockwise direction. - In one embodiment, the
strap 74 applies a brake force to the tiltingshaft 42 to hold/maintain the tilting shaft at rest so thedisplay 12 stays where it has been positioned. - In one embodiment, only the tilting
shaft 42 and itshinge 54 a is provided with the differential braking torque. In another embodiment, each of thehinges respective shaft - In one embodiment, the
panels FIG. 2 is formed that enables friction-dampedlink arm assembly 24 to extend and sway relative towall mounting assembly 20 andpanel mount assembly 22. In addition, the clamshell structure enablesdisplay mounting device 14 to fold flat against a wall (e.g., the stowed position) at a profile distance of less than 2 inches, and preferably at a distance less than about 1 inch. -
FIG. 4 is a side view of thedisplay assembly 10. Thedisplay mounting device 14 is connected to the wall W by theconnector 16. Thedisplay 12 is connected to thepanel brackets 44, 46 (one shown) and is configured to telescope/extend away from thewall bracket 30, tilt up/down relative to the wall W, swing left/right relative to the wall W, and translate/pan left and right along an arc. - The
display 12 has been tilted down relative to the wall W on the axis of the tilting shaft 42 (the tiltingshaft 42 has been rotated in the counter-clockwise direction). In one embodiment, the tiltingshaft 42 is subject to differential braking torque that is characterized by more force being called for to rotate theshaft 42 in the counter-clockwise direction (compared to the clockwise direction). The greater differential braking torque in the counter-clockwise direction is overcome by the weight of thedisplay 12. Consequently, the user has the sensation that it is equally easy to tilt thedisplay 12 down as it is to tilt thedisplay 12 back up. -
FIG. 5 is a side view of thedisplay assembly 10 illustrating thedisplay mounting device 14 in a stowed position folded against the wall W. Thedisplay mounting device 14 provides a low-profile mount for theflat panel display 12. In one embodiment, thedisplay mounting device 14 is collapsible against the wall W such that thedisplay 12 projects a small distance L away from the wall W. In one embodiment, the distance L is less than 3.5 inches, preferably the distance L is less than 2.5 inches, more preferably the distance L is less than 1.5 inches. In one embodiment, the distance L between thedisplay 12 and the wall W is between about 0.5-1.5 inches. -
FIGS. 6-8 provide views of another embodiment of adisplay mounting device 114. -
FIG. 6 is a front perspective view of thedisplay mounting device 114,FIG. 7 is a front perspective view of thedisplay mounting device 114 shown in an extended state, andFIG. 8 is a side view of thedisplay mounting device 114 shown in a stowed, low-profile state according to various embodiments. Thedisplay mounting device 114 includes awall mounting assembly 120 that is attachable to a wall or other surface by connectors, apanel mount assembly 122 including the tiltingshaft 42 and thehinge 54 a (as described above) coupled topanel 140, and alink arm assembly 124 coupled between thewall mounting assembly 120 and thepanel mount assembly 122. - In reference to
FIG. 7 , in one embodiment thelink arm assembly 124 includes a firstlink arm panel 150, a secondlink arm panel 152 pivotably coupled to the firstlink arm panel 150 byhinge 154, asecond hinge 156 coupled between firstlink arm panel 150 and thewall mounting assembly 120, and athird hinge 158 coupled between the secondlink arm panel 152 and thepanel 140 of thepanel mount assembly 122. The first and secondlink arm panels display mounting device 114 is folded flat. - In one embodiment, at least the tilting
shaft 42 is configured to include a differential braking torque. In general, thelink arm panel 152 is movable relative to thewall mounting assembly 120 through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom, and at least the tilt degree of freedom about the tiltingshaft 42 is dampened by a differential braking torque. - In one embodiment, the
display mounting device 114 includes a single-nested panel asymmetrical design that is characterized by the secondlink arm panel 152 folding flat against the firstlink arm panel 150 such that thepanel mount assembly 22 nests against thewall mounting assembly 120. - Embodiments provide a display mounting device configured to mount a display to a wall where movement of the display relative to the wall includes movement of at least one shaft subject to a differential braking torque.
- Embodiments provide a display mounting device that is movable relative to a wall to which it is attached through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom. At least the tilt degree of freedom is dampened by a differential braking torque.
- Although specific embodiments have been illustrated and described herein, it will be appreciated by those of ordinary skill in the art that a variety of alternate and/or equivalent implementations may be substituted for the specific embodiments shown and described without departing from the scope of the present invention. This application is intended to cover any adaptations or variations of a display mounting device configured to mount a display to a wall as discussed herein.
Claims (20)
1. A display mounting device comprising:
a wall mount assembly attachable to a surface; and
a panel mount assembly coupled to the wall mount assembly and attachable to a display, the panel mount assembly movable relative to the wall mount assembly;
wherein movement of the panel mount assembly relative to the wall mount assembly comprises movement of at least one shaft subject to a differential braking torque.
2. The display mounting device of claim 1 , wherein the panel mount assembly is movable relative to the wall mount assembly through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
3. The display mounting device of claim 1 , wherein the panel mount assembly is retractable against the wall mount assembly to a stowed position in which the panel mount assembly extends from the surface by less than about 3.0 inches.
4. The display mounting device of claim 3 , wherein the panel mount assembly extends from the surface by less than about 2.0 inches.
5. The display mounting device of claim 1 , wherein rotational movement of the panel mount assembly relative to the wall mount assembly is subject to a differential braking torque.
6. The display mounting device of claim 5 , wherein the differential braking torque comprises a clockwise braking torque that is about 30% less than a counter-clockwise braking torque.
7. The display mounting device of claim 1 , wherein translational movement of the panel mount assembly relative to the wall mount assembly is subject to a differential braking torque.
8. A display mounting device comprising:
a wall mount assembly attachable to a surface;
a panel mount assembly attachable to a display, the panel mount assembly comprising a tilting shaft configured to tilt the display; and
a link arm assembly coupled between the wall mount assembly and the panel mount assembly;
wherein the panel mount assembly is movable relative to the wall mount assembly through at least four degrees of freedom including tilt, swing, pan, and telescope degrees of freedom.
9. The display mounting device of claim 8 , wherein at least movement of the tilting shaft is dampened by differential braking torque.
10. The display mounting device of claim 9 , wherein the panel mount assembly comprises two spaced apart panel brackets, each panel bracket coupled to an opposing end portion of the tilting shaft.
11. The display mounting device of claim 8 , wherein the link arm assembly configures the panel mount assembly to stow against the wall mount assembly at a distance from the surface of between about 1-2 inches.
12. The display mounting device of claim 8 , wherein the link arm assembly comprises a first link arm panel pivotably coupled to the wall mount assembly and a second link arm panel pivotably coupled to the panel mount assembly.
13. The display mounting device of claim 12 , wherein the first link arm panel is pivotably coupled to the second link arm panel by a first shaft configured for differential braking torque.
14. The display mounting device of claim 13 , wherein the first shaft configures the panel mount assembly for translational movement and rotational movement relative to the wall mount assembly.
15. The display mounting device of claim 12 , wherein the second link arm panel is pivotably coupled to the panel mount assembly by a second shaft configured for differential braking torque.
16. The display mounting device of claim 8 , wherein the panel mount assembly comprises a tilting bracket coupled to the link arm assembly and the tilting shaft is coupled to the tilting bracket, the tilting bracket comprising a base terminating in a curved pad, an outside diameter of the tilting shaft mated to the curved pad, and the tilting shaft forced against the curved pad by a strap secured to the base and contacting a portion of the tilting shaft.
17. A display mounting device comprising:
a wall mount assembly attachable to a surface;
a panel mount assembly comprising a tilt shaft and at least one bracket coupled to the tilt shaft and attachable to a display; and
a link arm assembly coupled between the wall mount assembly and the panel mount assembly;
wherein the at least one bracket comprises a strap that applies a differential braking torque to the tilt shaft when the tilt shaft is rotated.
18. The display mounting device of claim 17 , wherein the strap applies a brake force to the tilt shaft when the tilt shaft is at rest.
19. The display mounting device of claim 17 , wherein the at least one bracket comprises a base terminating in a curved pad, the strap secured around a portion of the tilt shaft and forcing an outside diameter of the tilt shaft into mating contact with the curved pad.
20. The display mounting device of claim 17 , wherein the differential braking torque comprises a clockwise braking torque that is about 30% different than a counter-clockwise braking torque.
Priority Applications (1)
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US12/319,483 US20090179128A1 (en) | 2008-01-14 | 2009-01-08 | Low-profile flat panel display mount |
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US1102208P | 2008-01-14 | 2008-01-14 | |
US12/319,483 US20090179128A1 (en) | 2008-01-14 | 2009-01-08 | Low-profile flat panel display mount |
Publications (1)
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US20090179128A1 true US20090179128A1 (en) | 2009-07-16 |
Family
ID=40849820
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US12/319,483 Abandoned US20090179128A1 (en) | 2008-01-14 | 2009-01-08 | Low-profile flat panel display mount |
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