US20060278795A1 - Pivotal device for monitors - Google Patents
Pivotal device for monitors Download PDFInfo
- Publication number
- US20060278795A1 US20060278795A1 US11/148,243 US14824305A US2006278795A1 US 20060278795 A1 US20060278795 A1 US 20060278795A1 US 14824305 A US14824305 A US 14824305A US 2006278795 A1 US2006278795 A1 US 2006278795A1
- Authority
- US
- United States
- Prior art keywords
- link
- lugs
- connection member
- monitor
- lug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000009987 spinning Methods 0.000 description 2
Images
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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/04—Balancing means
- F16M2200/041—Balancing means for balancing rotational movement of the head
Definitions
- the present invention relates to a pivotal device for a monitor and includes a connection member fixed on the monitor and a link which is pivotably connected between the connection member and the base so that the monitor can be pivoted and secured at desired angles.
- a conventional pivotal device for monitors is connected between a base and the monitor which can be pivoted about a bolt of the pivotal device and secured at a desired angle.
- the sizes of monitors are made much larger than before so that the weight of the monitors is difficult to be supported by the friction of the pivotal device. Therefore, the large size monitor can only be pivoted at limited angles which are not satisfied by the users.
- FIG. 9 shows a conventional pivotal device for a monitor 90 and generally includes a connection member 91 connected to a rear side of the monitor 90 and a bolt 92 extends through the connection member 91 and is connected between two lugs 950 extending from a base 95 .
- a plurality of washers 94 are mounted to the bolt 92 and two nuts 93 are connected to the two ends of the bolt 92 so that the rotation of the bolt 92 is limited by friction forces of the washers and the lugs 950 .
- the torque by the friction between the bolt 92 and the washers 94 is so small and equals to f ⁇ r, wherein f represents friction force and r represents radius of the bolt 92 .
- the torque has to be large enough to support the downward torque of W ⁇ L, wherein W represents the weight of the monitor 90 and L represents the distance between the center of weight of the monitor 90 and the bolt 92 .
- W represents the weight of the monitor 90
- L represents the distance between the center of weight of the monitor 90 and the bolt 92 .
- the conventional pivotal device cannot support the monitor 90 beyond a certain angle.
- the present invention intends to provide a pivotal device for a monitor and the center of weight of the monitor is located in the area compassed by the link and the connection member of the pivotal device, so that the monitor can be well supported at desired angles.
- the present invention relates to a pivotal device for monitors and the device comprises a connection member fixed to a rear side of the monitor and the connection member is pivotably connected on a base.
- a link has a first end pivotably connected to the connection member and a second end of the link is pivotably connected to two lugs on the base. A distance is defined between the connection member and the lugs. The link can be pivoted and moved axially relative to the lugs so as to support the monitor at desired angles.
- FIG. 1 shows the pivotal device of the present invention
- FIG. 2 is a side view to show a monitor is supported by the pivotal device
- FIG. 3 is a cross sectional view to show the connection between the adjustment bolt, the elastic assembly, the link and the first lugs of the pivotal device of the present invention
- FIG. 4 is an exploded view to show the pivotal device of the present invention
- FIG. 5 illustrates the analysis of forces of the support of the monitor by the pivotal device of the present invention
- FIG. 6 shows another embodiment of the link
- FIG. 7 is a cross sectional view to show yet another arrangement of the adjustment bolt, the elastic assembly, the link and the first lugs of the pivotal device of the present invention.
- FIG. 8 shows that the elastic assembly includes two elastic tubes, and
- FIG. 9 shows a conventional pivotal device for supporting a monitor.
- the pivotal device for monitors 10 of the present invention comprises a connection member 20 which is received in a recessed area 11 in a rear side of the monitor 10 and the connection member 20 includes two legs 21 which are pivotably connected to two lugs 41 on the base 40 by a bolt 23 which is connected with a nut.
- a link 30 has a hole 31 defined in the first end thereof and the first end of the link 30 is pivotably connected to the two lugs 22 extending from the connection member 20 by another bolt 23 cooperated with a nut.
- a second end of the link 30 has an axial slot 32 define therethrough and the second end of the link 30 is pivotably connected to a lug 42 and a restriction lug 60 by an adjustment bolt 50 and a nut.
- the lug 42 is split from the bas 40 and the restriction lug 60 which is fixed on the base 40 by a bolt.
- a distance is defined between the connection member 20 and the lug 42 and the restriction lug 60 .
- the adjustment bolt 50 extends through the slot 32 and the lug 42 and the restriction lug 60 .
- the elastic assembly is sandwiched between the link 30 and the lug 42 and the restriction lug 60 so as to provide proper biasing force to prevent the adjustment bolt 50 from spinning and to generate friction force.
- the elastic assembly includes a plurality of flexible washers 70 and 80 .
- the flexible washers 70 can be replaced with oil bearings or linings and the washers 80 can be bowl-shaped or flat washers so as to generate a force to prevent the adjustment bolt 50 from spinning.
- the adjustment bolt 50 includes a polygonal head 51 and the restriction lug 60 includes a restriction arrangement which is a polygonal hole 61 with which the polygonal head 51 of the adjustment bolt 50 is engaged. By the engagement of the polygonal hole 61 and the polygonal head 51 , the adjustment bolt 50 does not spin.
- the torque that the monitor 10 applies to the bolt 23 for connecting the two legs 21 and the lugs 41 is W ⁇ L, wherein W represents the weight of the monitor 10 and L represents the distance between the center of weight of the monitor 10 and the bolt 23 for connecting the two legs 21 and the lugs 41 .
- the support force f(all) is composed of a first component force fh and a second component force fv.
- the fh is perpendicular to the connection line between the two bolts 23 of the lugs 22 and 41 .
- the torque fh ⁇ l is applied toward the opposite direction of the torque W ⁇ L.
- the arm of force “l” (between the bolts 23 of the lugs 22 and 41 ) is much larger than the radius of the bolt 92 as described in the conventional pivotal device, so that the torque that overcomes the torque due to the weight of the monitor 10 is larger than the conventional pivotal device. In other words, a less force of fh can obtain the same torque that the conventional pivotal device achieves.
- FIG. 6 shows that the link 30 can be made to be a curve link
- FIG. 7 shows that the link 30 is located at an outside of one of the two lugs 60 and the number of the flexible washers 70 and 80 is reduced to be one or two and the link 30 and one of the tow lugs 60 are located between two pairs of the flexible washers 70 and 80 .
- the elastic assembly may be two elastic tubes 81 .
- the pivotal device provides a large support area composed of the restriction lug 60 , the lug 42 and the lugs 41 so that the center of weight of the monitor 10 falls in the area so as to be well supported.
- the arm of force “L” between the lugs 41 and the center of weight of the monitor 10 has a certain length so that the torque to prevent the monitor 10 from falling backward is sufficient.
- the link 30 can be easily adjusted and fixed in position by operation of the adjustment bolt 50 to support the inclination of the monitor 10 .
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
A pivotal device for monitors includes a link which has a first end pivotably connected to a connection member fixed to a rear side of the monitor and the connection member is pivotably connected on a base. The second end of the link is pivotably connected to two lugs on the base. A distance is defined between the connection member and the lugs. The second end of the link includes an axial slot and an adjustment bolt cooperated with an elastic assembly extends through the slot and the lugs, so that the link can be pivotably and retractably relative to the lugs so as to support the monitor at desired angles.
Description
- The present invention relates to a pivotal device for a monitor and includes a connection member fixed on the monitor and a link which is pivotably connected between the connection member and the base so that the monitor can be pivoted and secured at desired angles.
- A conventional pivotal device for monitors is connected between a base and the monitor which can be pivoted about a bolt of the pivotal device and secured at a desired angle. However, the sizes of monitors are made much larger than before so that the weight of the monitors is difficult to be supported by the friction of the pivotal device. Therefore, the large size monitor can only be pivoted at limited angles which are not satisfied by the users.
-
FIG. 9 shows a conventional pivotal device for amonitor 90 and generally includes aconnection member 91 connected to a rear side of themonitor 90 and abolt 92 extends through theconnection member 91 and is connected between twolugs 950 extending from abase 95. A plurality ofwashers 94 are mounted to thebolt 92 and twonuts 93 are connected to the two ends of thebolt 92 so that the rotation of thebolt 92 is limited by friction forces of the washers and thelugs 950. However, it is noted that the torque by the friction between thebolt 92 and thewashers 94 is so small and equals to f×r, wherein f represents friction force and r represents radius of thebolt 92. The torque has to be large enough to support the downward torque of W×L, wherein W represents the weight of themonitor 90 and L represents the distance between the center of weight of themonitor 90 and thebolt 92. Obviously, the conventional pivotal device cannot support themonitor 90 beyond a certain angle. - The present invention intends to provide a pivotal device for a monitor and the center of weight of the monitor is located in the area compassed by the link and the connection member of the pivotal device, so that the monitor can be well supported at desired angles.
- The present invention relates to a pivotal device for monitors and the device comprises a connection member fixed to a rear side of the monitor and the connection member is pivotably connected on a base. A link has a first end pivotably connected to the connection member and a second end of the link is pivotably connected to two lugs on the base. A distance is defined between the connection member and the lugs. The link can be pivoted and moved axially relative to the lugs so as to support the monitor at desired angles.
- The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.
-
FIG. 1 shows the pivotal device of the present invention; -
FIG. 2 is a side view to show a monitor is supported by the pivotal device; -
FIG. 3 is a cross sectional view to show the connection between the adjustment bolt, the elastic assembly, the link and the first lugs of the pivotal device of the present invention; -
FIG. 4 is an exploded view to show the pivotal device of the present invention; -
FIG. 5 illustrates the analysis of forces of the support of the monitor by the pivotal device of the present invention; -
FIG. 6 shows another embodiment of the link; -
FIG. 7 is a cross sectional view to show yet another arrangement of the adjustment bolt, the elastic assembly, the link and the first lugs of the pivotal device of the present invention; -
FIG. 8 shows that the elastic assembly includes two elastic tubes, and -
FIG. 9 shows a conventional pivotal device for supporting a monitor. - Referring to FIGS. 1 to 4, the pivotal device for
monitors 10 of the present invention comprises aconnection member 20 which is received in arecessed area 11 in a rear side of themonitor 10 and theconnection member 20 includes twolegs 21 which are pivotably connected to twolugs 41 on thebase 40 by abolt 23 which is connected with a nut. - A
link 30 has ahole 31 defined in the first end thereof and the first end of thelink 30 is pivotably connected to the twolugs 22 extending from theconnection member 20 by anotherbolt 23 cooperated with a nut. A second end of thelink 30 has anaxial slot 32 define therethrough and the second end of thelink 30 is pivotably connected to alug 42 and arestriction lug 60 by anadjustment bolt 50 and a nut. Thelug 42 is split from thebas 40 and therestriction lug 60 which is fixed on thebase 40 by a bolt. A distance is defined between theconnection member 20 and thelug 42 and therestriction lug 60. Theadjustment bolt 50 extends through theslot 32 and thelug 42 and therestriction lug 60. An elastic assembly is sandwiched between thelink 30 and thelug 42 and therestriction lug 60 so as to provide proper biasing force to prevent theadjustment bolt 50 from spinning and to generate friction force. The elastic assembly includes a plurality offlexible washers flexible washers 70 can be replaced with oil bearings or linings and thewashers 80 can be bowl-shaped or flat washers so as to generate a force to prevent theadjustment bolt 50 from spinning. - The
adjustment bolt 50 includes apolygonal head 51 and therestriction lug 60 includes a restriction arrangement which is apolygonal hole 61 with which thepolygonal head 51 of theadjustment bolt 50 is engaged. By the engagement of thepolygonal hole 61 and thepolygonal head 51, theadjustment bolt 50 does not spin. - As shown in
FIG. 5 , the torque that themonitor 10 applies to thebolt 23 for connecting the twolegs 21 and thelugs 41 is W×L, wherein W represents the weight of themonitor 10 and L represents the distance between the center of weight of themonitor 10 and thebolt 23 for connecting the twolegs 21 and thelugs 41. The support force f(all) is composed of a first component force fh and a second component force fv. The fh is perpendicular to the connection line between the twobolts 23 of thelugs bolts 23 of thelugs 22 and 41) is much larger than the radius of thebolt 92 as described in the conventional pivotal device, so that the torque that overcomes the torque due to the weight of themonitor 10 is larger than the conventional pivotal device. In other words, a less force of fh can obtain the same torque that the conventional pivotal device achieves. -
FIG. 6 shows that thelink 30 can be made to be a curve link andFIG. 7 shows that thelink 30 is located at an outside of one of the twolugs 60 and the number of theflexible washers link 30 and one of thetow lugs 60 are located between two pairs of theflexible washers FIG. 8 , the elastic assembly may be twoelastic tubes 81. - The pivotal device provides a large support area composed of the
restriction lug 60, thelug 42 and thelugs 41 so that the center of weight of themonitor 10 falls in the area so as to be well supported. The arm of force “L” between thelugs 41 and the center of weight of themonitor 10 has a certain length so that the torque to prevent themonitor 10 from falling backward is sufficient. Thelink 30 can be easily adjusted and fixed in position by operation of theadjustment bolt 50 to support the inclination of themonitor 10. - While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.
Claims (7)
1. A pivotal device for monitors, comprising:
a connection member adapted to be connected to a rear side of the monitor and the connection member pivotably connected on a base, and
a link having a first end pivotably connected to the connection member and a second end of the link pivotably connected to a first lug and a restriction lug on the base, a distance defined between the connection member and the lugs.
2. The device as claimed in claim 1 , wherein the connection member includes two legs which are pivotably connected to two second lugs on the base by a bolt, two third lugs extend from the connection member and the first end of the link is pivotably connected to the two third lugs by extending another bolt through a hole defined in the first end of the link and the two third lugs.
3. The device as claimed in claim 1 , wherein a slot is defined axially in the second end of the link and an adjustment bolt extends through the slot and the first lug and the restriction lug.
4. The device as claimed in claim 3 , wherein an elastic assembly is sandwiched between the link and the first lug and the restriction lug.
5. The device as claimed in claim 4 , wherein the elastic assembly includes a plurality of flexible washers.
6. The device as claimed in claim 4 , wherein the elastic assembly includes two elastic tubes.
7. The device as claimed in claim 3 , wherein the adjustment bolt includes a polygonal head and the restriction lug includes a polygonal hole with which the polygonal head of the adjustment bolt is engaged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/148,243 US20060278795A1 (en) | 2005-06-09 | 2005-06-09 | Pivotal device for monitors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/148,243 US20060278795A1 (en) | 2005-06-09 | 2005-06-09 | Pivotal device for monitors |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060278795A1 true US20060278795A1 (en) | 2006-12-14 |
Family
ID=37523312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/148,243 Abandoned US20060278795A1 (en) | 2005-06-09 | 2005-06-09 | Pivotal device for monitors |
Country Status (1)
Country | Link |
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US (1) | US20060278795A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040267002A1 (en) * | 2003-02-03 | 2004-12-30 | Lawrence Mark L. | Use of novel virulence-specific genes as targets for diagnosis and potential control of virulent strains of listeria monocytogenes |
US20090121097A1 (en) * | 2007-11-13 | 2009-05-14 | Kabushiki Kaisha Toshiba | Stand for Display Device |
US20090173848A1 (en) * | 2008-01-03 | 2009-07-09 | Green John M | Stability support tv anti-tip device |
US7640866B1 (en) * | 2006-03-03 | 2010-01-05 | Widget Works, LLC | Mobile video panel display system |
US20110075350A1 (en) * | 2006-05-04 | 2011-03-31 | Ergotron, Inc. | Stand with panning base |
US20140224953A1 (en) * | 2011-09-09 | 2014-08-14 | Hewlett-Packard Development Company L.P. | Adjustable display monitor stand |
US20160265715A1 (en) * | 2015-03-13 | 2016-09-15 | Spencer Zing (fka Spencer William Boileau) | Safety securing apparatus |
US20200229601A1 (en) * | 2015-09-11 | 2020-07-23 | Kyb Corporation | Overturn preventing device |
US11375814B1 (en) * | 2021-06-23 | 2022-07-05 | Thoughtful Furniture Company, Llc | Elongate stabilizers for preventing furniture from tipping |
US20220295990A1 (en) * | 2021-03-22 | 2022-09-22 | Wessam Ghazoly Gabra | Free standing screen protective barrier |
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US6378830B1 (en) * | 2000-10-05 | 2002-04-30 | Lu Sheng-Nan | Adjustable support for an LCD monitor |
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-
2005
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US5812368A (en) * | 1997-06-04 | 1998-09-22 | Kuo Feng Corporation | Monitor viewing angle adjusting assembly having monitor mounted on two supporting arm assemblies via turning limit assemblies |
US6378830B1 (en) * | 2000-10-05 | 2002-04-30 | Lu Sheng-Nan | Adjustable support for an LCD monitor |
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Cited By (21)
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US7368547B2 (en) * | 2003-02-03 | 2008-05-06 | Mississippi State University | Use of novel virulence-specific genes as targets for diagnosis and potential control of virulent strains of Listeria monocytogenes |
US20040267002A1 (en) * | 2003-02-03 | 2004-12-30 | Lawrence Mark L. | Use of novel virulence-specific genes as targets for diagnosis and potential control of virulent strains of listeria monocytogenes |
US7640866B1 (en) * | 2006-03-03 | 2010-01-05 | Widget Works, LLC | Mobile video panel display system |
US20110075350A1 (en) * | 2006-05-04 | 2011-03-31 | Ergotron, Inc. | Stand with panning base |
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US8262045B2 (en) | 2008-01-03 | 2012-09-11 | Bush Industries, Inc. | Stability support TV anti-tip device |
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US20090173848A1 (en) * | 2008-01-03 | 2009-07-09 | Green John M | Stability support tv anti-tip device |
US20140224953A1 (en) * | 2011-09-09 | 2014-08-14 | Hewlett-Packard Development Company L.P. | Adjustable display monitor stand |
US9605792B2 (en) * | 2011-09-09 | 2017-03-28 | Hewlett-Packard Development Company, L.P. | Adjustable display monitor stand |
US20160265715A1 (en) * | 2015-03-13 | 2016-09-15 | Spencer Zing (fka Spencer William Boileau) | Safety securing apparatus |
US9709216B2 (en) * | 2015-03-13 | 2017-07-18 | Spencer Zing | Safety securing apparatus |
US20200229601A1 (en) * | 2015-09-11 | 2020-07-23 | Kyb Corporation | Overturn preventing device |
US20220295990A1 (en) * | 2021-03-22 | 2022-09-22 | Wessam Ghazoly Gabra | Free standing screen protective barrier |
US11375814B1 (en) * | 2021-06-23 | 2022-07-05 | Thoughtful Furniture Company, Llc | Elongate stabilizers for preventing furniture from tipping |
US11696643B2 (en) | 2021-06-23 | 2023-07-11 | Thoughtful Furniture Company, Llc | Elongate stabilizers for preventing furniture from tipping |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: CHUAN GI YI PATTERN CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEE, MICHAEL;REEL/FRAME:016399/0641 Effective date: 20050606 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |