Granted Patent B2

US 7,317,611 · App. 10/898,716 · Granted Jan 8, 2008

Abstract

Claims (51)

1. A mount for operably attaching a flat panel display to a fixed structure, the flat panel display presenting a display screen, the mount comprising:

a mount bracket adapted to be operably coupled with the fixed structure;

a device interface bracket adapted to be operably coupled with the flat panel display;

at least one swing arm operably coupling the device interface bracket and the mount bracket so that, when the mount bracket is operably coupled with the fixed structure and the flat panel display is operably coupled with the device interface bracket, the at least one swing arm is selectively positionable along a path of travel between a folded position wherein the flat panel display is disposed proximate a horizontal plane extending through the mount bracket, and an extended position wherein the at least one swing arm depends downwardly from the mount bracket and the screen of the flat panel display is positioned in a generally vertical orientation; and

a friction element operably coupled with the mount bracket and the at least one swing arm, the friction element disposed so as to apply a first frictional resistance force to the at least one swing arm to resist positioning of the at least one swing arm toward the extended position and to apply a second frictional resistance force to the at least one swing arm to resist positioning of the at least one swing arm toward the folded position, the magnitude of the first frictional resistance force being greater than the magnitude of the second frictional resistance force, wherein the friction element comprises a hinge including:

a housing defining a bore, the housing operably coupled to one of the mount bracket and the at least one swing arm;

a friction bushing in the bore;

a hinge axle extending through the bore and operably coupled to the other of the mount bracket and the at least one swing arm, the hinge axle having a head portion, an intermediate portion, and a shaft portion, the intermediate portion slidingly confronting the friction bushing; and

a one-way bearing on the shaft portion of the hinge axle, the one-way bearing presenting an outer surface confronting the friction bushing, the first frictional resistance force being substantially provided by the sliding motion of the outer surface of the one-way bearing together with sliding motion of the intermediate portion on the friction bushing when the at least one swing arm is pivoted about the hinge toward the extended position, and the second frictional resistance force being substantially provided by the sliding motion of only the intermediate portion on the friction bushing when the at least one swing arm is pivoted about the hinge toward the folded position.

2. The mount of claim 1 , wherein the weight of the flat panel display exerts a moment force biasing the at least one swing arm toward the extended position when the flat panel display is operably coupled to the display interface bracket and the mount bracket is operably coupled to the fixed structure, and wherein the magnitude of the first frictional resistance force is at least equal to the magnitude of the moment force so as to hold the at least one swing arm at a predetermined position along the path of travel.

3. The mount of claim 1 , wherein the surface area of the intermediate portion of the hinge axle in contact with the friction bushing is from about one-fourth to about one-half of the combined area of the intermediate portion of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

4. The mount of claim 3 , wherein the surface area of the intermediate portion of the hinge axle in contact with the friction bushing is about one-third of the combined area of the intermediate portion of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

5. The mount of claim 1 , wherein the at least one swing arm is pivotably attached to the device interface bracket.

6. The mount of claim 5 , wherein the at least one swing arm is pivotably and slidably attached to the device interface bracket.

7. The mount of claim 6 , further including a linkage comprising a pair of arms operably coupling the mount bracket, the device interface bracket and the swing arm.

8. The mount of claim 1 , wherein the mount bracket comprises a turret base adapted to attach to the fixed structure, and a hinge body pivotally attached to the turret base and operably coupled to the swing arm for adjusting the azimuthal orientation of the swing arm.

9. The mount of claim 1 , further comprising a cabinet and wherein the mount is attached to the underside of the cabinet.

10. The mount of claim 1 , wherein the device interface bracket has a plurality of apertures defined therein for receiving fasteners to attach the device interface bracket to the flat panel display.

11. The mount of claim 10 , wherein the apertures are positioned according to industry standard fastener locations in the flat panel display.

12. A mount for operably attaching a flat panel display to a fixed structure, the mount comprising an elongate arm having one end with a hinge adapted to be operably coupled with the fixed structure and an opposing end with a device interface portion adapted to be operably coupled with the flat panel display, the arm selectively hingingly positionable about the hinge, wherein the hinge includes a one-way friction element disposed to provide a first frictional resistance force opposing hinging movement of the arm about the hinge in a first direction and a second frictional resistance force opposing hinging movement of the arm about the hinge in a second opposing direction, the first frictional resistance force being greater than the second frictional resistance force, wherein the friction element comprises:

a housing defining a bore, the housing operably coupled to one of the arm and the fixed structure;

a friction bushing in the bore;

a hinge axle extending though the bore and operably coupled to the other of the arm and the fixed structure, the hinge axle having at least a first portion and a second portion, the first portion having a surface slidingly confronting the friction bushing; and

a one-way bearing on the second portion of the hinge axle, the one-way bearing presenting an outer surface confronting the friction bushing, the first frictional resistance force being substantially provided by the sliding motion of the outer surface of the one-way bearing together with sliding motion of the surface of the first portion of the hinge axle on the friction bushing when the arm is pivoted about the hinge in the first direction, and the second frictional resistance force being substantially provided by the sliding motion of only the surface of the first portion of the hinge axle on the friction bushing when the arm is pivoted about the hinge in the second opposing direction.

13. The mount of claim 12 , further comprising a mount bracket operably coupled with the hinge, wherein the mount bracket is adapted to be attached to the fixed structure.

14. The mount of claim 13 , wherein the hinge is horizontally pivotally attached to the mount bracket so that the arm is azimuthally pivotable on the mount bracket when the mount bracket is coupled with the fixed structure.

15. The mount of claim 12 , wherein the area of the surface of the first portion of the hinge axle in contact with the friction bushing is from about one-fourth to about one-half of the combined area of the first portion of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

16. The mount of claim 15 , wherein the area of the surface of the first portion of the hinge axle in contact with the friction bushing is about one-third of the combined area of the first portion of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

17. The mount of claim 12 , wherein the device interface portion has a plurality of apertures defined therein for receiving fasteners to attach the device interface bracket to the flat panel display.

18. The mount of claim 17 , wherein the apertures are positioned according to industry standard fastener locations in the flat panel display.

19. The mount of claim 12 , wherein the first friction resistance force is sufficient to hold the arm in a generally horizontal orientation when the hinge is operably coupled to the fixed structure and the flat panel display is attached to the device interface portion.

20. The mount of claim 12 , wherein the arm is selectively hingingly positionable about the hinge through an arc of at least ninety degrees.

21. A video display system comprising:

a flat panel display;

a mount portion adapted to attach to a horizontal element of a fixed structure;

an elongate swing arm having one end operably coupled to the mount portion, the swing arm selectively positionable along a path of travel between a folded position proximate the horizontal element of the fixed structure and an extended position wherein the swing arm depends downwardly from the horizontal element of the fixed structure;

a device interface portion operably coupling the other end of the swing arm and the flat panel display; and

friction means arranged to apply a first frictional resistance force opposing positioning of the swing arm toward the extended position, and a second frictional resistance force opposing positioned of the arm toward the folded position, the first frictional resistance force being greater than the second frictional resistance force, wherein the friction means comprises a hinge operably coupling the swing arm to the mount portion, the hinge comprising:

a housing defining a bore, the housing operably coupled to one of the mount portion and the swing arm;

a friction bushing in the bore;

a hinge axle extending through the bore and operably coupled to the other of the mount portion and the swing arm, the hinge axle having a portion with a friction surface, and a shaft portion, the friction surface slidingly confronting the friction bushing; and

a one-way bearing on the shaft portion of the hinge axle, the one-way bearing presenting an outer surface confronting the friction bushing, the first frictional resistance force being substantially provided by the sliding motion of the outer surface of the one-way bearing together with sliding motion of the friction surface of the hinge axle on the friction bushing when the swing arm is pivoted about the hinge toward the extended position, and the second frictional resistance force being substantially provided by the sliding motion of only the friction surface of the hinge axle on the friction bushing when the swing arm is pivoted about the hinge toward the folded position.

22. The system of claim 21 , wherein the weight of the flat panel display exerts a moment force biasing the swing arm toward the extended position when the mount portion is attached to the fixed structure, and wherein the magnitude of the first frictional resistance force is at least equal to the magnitude of the moment force so as to hold the swing arm at a predetermined position along the path of travel.

23. The system of claim 21 , wherein the surface area of the friction surface of the hinge axle in contact with the friction bushing is from about one-fourth to about one-half of the combined area of the friction surface of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

24. The system of claim 23 , wherein the surface area of the friction surface of the hinge axle in contact with the friction bushing is about one-third of the combined area of the friction surface of the hinge axle and the outer surface of the one-way bearing in contact with the friction bushing.

25. The system of claim 21 , wherein the swing arm is pivotably attached to the device interface portion.

26. The mount of claim 25 , wherein the swing arm is pivotably and slidably attached to the device interface portion.

27. The mount of claim 26 , further including a linkage comprising a pair of arms operably coupling the mount portion, the device interface portion and the swing arm.

28. The mount of claim 21 , wherein the mount portion comprises a turret base adapted to attach to the fixed structure, and a hinge body pivotally attached to the turret base and operably coupled to the swing arm for adjusting the azimuthal orientation of the swing arm.

29. The mount of claim 21 , wherein the device interface portion has a plurality of apertures defined therein for receiving fasteners to attach the device interface portion to the flat panel display.

30. The mount of claim 29 , wherein the apertures are positioned according to industry standard fastener locations in the fiat panel display.

Assignments (20)