NL1036496C2 - Device for spacious positioning of visual equipment at a particular position. - Google Patents

Device for spacious positioning of visual equipment at a particular position. Download PDF

Info

Publication number
NL1036496C2
NL1036496C2 NL1036496A NL1036496A NL1036496C2 NL 1036496 C2 NL1036496 C2 NL 1036496C2 NL 1036496 A NL1036496 A NL 1036496A NL 1036496 A NL1036496 A NL 1036496A NL 1036496 C2 NL1036496 C2 NL 1036496C2
Authority
NL
Netherlands
Prior art keywords
positioning member
arm
device
characterized
bearing
Prior art date
Application number
NL1036496A
Other languages
Dutch (nl)
Inventor
Dirk Gehrels
Erik-Jan Lit
Original Assignee
Vogel S Holding Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vogel S Holding Bv filed Critical Vogel S Holding Bv
Priority to NL1036496A priority Critical patent/NL1036496C2/en
Priority to NL1036496 priority
Application granted granted Critical
Publication of NL1036496C2 publication Critical patent/NL1036496C2/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/30Details adapted to collapse or fold, e.g. for portability
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/10Projectors with built-in or built-on screen
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/145Housing details, e.g. position adjustments thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof

Description

Brief indication: Device for spatially positioning visual equipment at a certain position.

DESCRIPTION

The present invention relates to a device for positioning visual equipment, such as in particular a projector, at a specific spatial position, comprising a wall member for mounting the device to a wall, an at least substantially with respect to the wall member vertical pivot axis pivotable support arm, which support arm comprises attachment means for attaching the visual equipment to the support arm, positioning means for positioning the support arm in a specific pivot position, the visual equipment being positioned at the particular spatial position.

Such a device is known from US-B1-6 179 426. With this known device, the wall member comprises an integrated projection screen and the horizontal support arm carries a projector. If the projector is not in use, the support arm extends parallel to the wall. When the projector is used, the carrying arm is manually pivoted about a vertical pivot axis which extends through or at least in the immediate vicinity of the projection screen, such that it is perpendicular to the wall. There is a considerable risk that the projector does not always assume the same spatial position every time the swing arm is pivoted perpendicular to the wall, so that the projected image on the projection screen is of varying quality. To this end, it will often be necessary in practice to adjust the swivel position of the support arm, also because it can run during use of the projector, for example due to vibrations or air currents.

The present invention has for its object to provide a solution or at least an improvement for this problem. More specifically, it is an object of the invention to provide a device according to the preamble with which it is possible to have the visual equipment repeatably assume the same spatial position as in the meantime the swivel arm has been brought into a different swivel position when the visual equipment is not in use. To this end, the device according to the invention is characterized in that the positioning means comprise a first positioning member associated with the wall member and a second positioning member associated with the swiveling arm, which first positioning member and second positioning member abut each other in the determined swiveling position of the supporting arm, the shape of the first positioning member and the shape of the second positioning member adjoin each other at the location of the abutment and that when the bearing arm is pivoted from the determined pivoting position, a pivotal counteracting force is initially generated, which counteracting force is lost in the second instance is going. Due to the retroactive force, the swivel arm tends to assume the particular swivel position. The cooperation of the first positioning member and the second positioning member play an important role in generating the retroactive force due to the contiguous design. Incidentally, it is emphasized that within the scope of the present invention it is stated that the words "contiguous design" do not exclude the possibility that the design is not exactly the same. There must, however, be a certain degree of connection, whereby a self-seeking effect is obtained.

According to an important preferred embodiment, the opposing force is at least partly determined by the weight of the bearing arm and the visual equipment possibly attached thereto via the fixing means. By making use of the said weight, the construction of the device according to the invention can remain extremely simple, for example because the use of springs to generate the retroactive force is superfluous.

An extremely suitable embodiment of the device according to the invention can be obtained if one of the first positioning member and the second positioning member has a hollow edge at the location of the abutment in the determined pivot position and the other of the first positioning member and the second positioning member at the location of the abutment in the determined pivotal position has a convex edge. By positioning the convex edge against the concave edge, a clear mutual positioning of the first positioning member relative to the second positioning member will be obtained under the influence of the retroactive force.

Although within the scope of the foregoing preferred embodiment it is possible that, for example, the hollow edge is wedge-shaped, it is preferable that at least one and preferably both of the hollow edge and the convex edge are curved.

More in particular, it is furthermore preferred that both the concave edge and the convex edge are curved, the radius of curvature of the concave curved edge having a magnitude lying between 1.0 and 1.1 times the magnitude of the curvature radius. of the convex curved edge. Thus, a rolling movement can be performed through the convex edge over the concave edge. Moreover, in the event of wear, a reduced cooperation will not immediately occur between the first positioning member and the second positioning member.

It is also advantageous if one of the first positioning member and the second positioning member has a circular shape with an at least substantially vertical axis and the other of the first positioning member and the second positioning member at the location of the abutment in the determined pivotal position a hollow one on the has a circular shape, according to a further preferred embodiment.

The other preferably has the first positioning member and the second positioning member forms a convex immediately adjacent to the hollow shape. Thus, even when the carrying arm is pivoted towards the determined pivotal position, starting from the situation where the first positioning member and the second positioning member do not lie against each other, an opposing force will first have to be overcome before the determined pivoting position is reached.

To avoid or at least limit frictional phenomena between the first positioning member and the second positioning member which could give rise to increased wear, the one circular positioning member is preferably rotatable about its axis. A very suitable embodiment for this purpose is obtained if the one circular positioning member is a roller bearing, preferably a ball bearing.

From the viewpoint of constructional simplicity, it is preferable that the first positioning member and the second positioning member are fixedly connected to the wall member and the swivel arm, respectively.

According to an extremely advantageous preferred embodiment, in particular when the opposing force is determined at least in part by the weight of the bearing arm and the visual equipment possibly attached thereto via the fastening means in accordance with a previously discussed preferred embodiment, the bearing arm is mounted on both sides with a lower bearing and an upper bearing for pivoting the bearing arm relative to the wall member, wherein the first positioning member and the second positioning member are provided closer to the lower bearing than with the upper bearing. By providing sufficient play in the construction for this purpose, it is thus possible to overcome the opposing force by having the bearing arm pivot up to a very limited extent about a horizontal axis through or in the immediate vicinity of the upper bearing.

It is furthermore preferred here that the lower bearing is slidable in the longitudinal direction of the bearing arm relative to the bearing arm. Thus, while pivoting the carrier arm out of (and incidentally during pivoting in) the aforementioned pivoting up can be realized in a suitable manner.

To this end, a slotted hole extending in the longitudinal direction of the bearing arm 15 is provided in the bearing arm in which the lower bearing is slidably received.

A device which is easy to operate is obtained if the transition between the first body and the second body is achieved when the carrying arm is pivoted through an angle of at most 5 degrees with respect to the determined pivoting position.

In order to make the device according to the invention suitable for a large number of projectors, each of which has its own optimum distance from a projection screen, it is preferred that the carrying arm is of the telescopic type.

The invention will be further elucidated hereinbelow on the basis of the description of a preferred embodiment of the positioning device according to the invention, which is not to be construed as limiting of the invention, with reference to the following figures:

Figure 1 is an isometric view of a preferred embodiment of a positioning device according to the invention during use thereof;

Figure 2 shows a part of the positioning device according to Figure 1 in vertical longitudinal section;

Figure 3 shows a part of the positioning device according to Figure 1 in partial exploded view;

Figure 4 shows section IV-IV in Figure 2, the carrying arm being in a fixed pivot position;

Figure 5 shows a cross-section as in Figure 4, wherein the carrying arm 5 is in a free pivoting position.

Figure 1 shows a vertical wall 1 of a room with a projection screen 2 and a projector 3 attached to it, which can project images onto the projection screen 2. In order to achieve optimum image quality, it is necessary that the projector 3 occupies a certain position spatially . Positioning device 10 is provided for this purpose. Positioning device 10 comprises a wall member 11 and a telescopic support arm 12. Wall member 11 is mounted against wall 1 just above the center of projection screen 2. At the free end, support arm 12 is provided with fastening means 13 which are known per se to those skilled in the art for mounting at the relevant end of support arm 12 attaching the projector 15 3. Support arm 12 is pivotable about a vertical pivot axis 14 connected to the wall member 11. From the pivotal position shown in Figure 1, support arm 12 can be pivoted about 90 ° counterclockwise or clockwise, so that a situation is achieved in which the carrying arm 12 extends at least substantially horizontally parallel to wall 1. In the pivotal position of carrying arm 12 shown in Figure 1, carrying arm 12 extends perpendicularly to wall 1. It is important that when pivoting the support arm 12 to the position as shown in Fig. 1, projector 3 is always positioned spatially in the same position so that the display of the image projected by projector 3 on the projection screen 2 remains of optimum quality. .

Figures 2 and 3 show the positioning device 10 at the location of pivot axis 14 in more detail. Wall member 11 comprises a composite steel wall bracket 21 with, inter alia, a wall plate 22 and horizontal pivot plates 23, 24 extending perpendicularly thereto. In wall plate 22, various openings are provided for suitable mounting of the wall console 21 against wall 1. Around wall console 21 A protective cover 25 is provided with an opening 26 therein through which carrying arm 12 extends. The size and shape of this opening 26 is chosen such that it also allows the previously described pivoting of carrying arm 12.

A part of telescopic arm part 31 of carrier arm 12 is shown in figures 2 and 3, in which telescopic arm part 32 can be retracted and extended (see also figure 1). Pivot plates 23, 24 are provided with round holes 27, 28 located in line with each other. Pivot axis 14 extends through the center of these holes 27, 28. Near the end of arm part 5 directed towards wall bracket 21, holes 33, 34 are also arranged therein at the top and bottom, respectively. Hole 33 on the upper side of arm part 31 is round, while hole 34, which is otherwise not visible in Figure 3, concerns a slotted hole with the same diameter as hole 33.

In the assembled state, the consecutive holes 27, 33, 34, 28, viewed from top to bottom, are aligned with each other, as shown in Figure 2. Nylon collar bearings 35, 36 are provided in holes 33, 34. A steel tube 37 protrudes through the collar bearings 35, 36, the length of which corresponds to the distance between the collars of the collar bearings 35, 36. This length also corresponds, at least substantially, to the distance between the pivot plates 23, 24, whereby arm part 31 including collar bearings 35, 36 with limited play can be inserted between the pivot plates 23, 24.

For the pivoting of carrying arm 12 relative to wall member 11, a pivoting member 41 is furthermore provided, which comprises a long Allen screw 42 and a bush 43 with an open top. The canister 43 is provided on the underside 20 with an opening through which the pin 44 of the Allen bolt 42 protrudes, while the head 45 of the Allen bolt 42 is sunk into canister 43. Canister 43 furthermore comprises a horizontally oriented anti-theft bolt 46 for the non-approachable making head 45 of the socket head screw 42. Bush 43 is above the pivot plate 23 and pin 44 of socket head screw 42 extends through tube 37. With the lower end socket head screw 42 is screwed into nut 38 which is welded in line with hole 28 on the underside of swivel plate 24.

On the inner side of the underside, arm part 31 is provided with a positioning plate 51 at the end facing wall bracket 21. Positioning plate 51 is made of hardened steel and is attached to arm part 31 with fixing bolts 52, 53. Bolt 54 is only in use when transporting the positioning device 10 to prevent undesired swiveling of bearing arm 12 relative to wall member 11. As soon as positioning device 10 is actually installed and used to support a projector 3, bolt 54 will be removed. The positioning plate 51 is provided with a slot hole 55 7 of the same shape and size as slot hole 34 and located in line with that slot hole 34. Tube 37 and pin 44 therefore also extend through slotted hole 55 of positioning plate 51.

Positioning plate 51 is provided with a concave-curved edge part 56 at the end facing wall bracket 21. At the same height as positioning plate 51 a pivot bearing 64 is provided above pivot plate 24 with the aid of bolt 61, spacer bush 62 and nut 63. The radius of curvature of ball bearing 64 is slightly smaller than the radius of curvature of the curvature of the hollow edge part 56. In the situation according to Figure 2, positioning plate 51 with edge part 56 is under pressure against a part of the circumference of ball bearing 64. The said pressure is caused by the weight of support arm 12 with projector 3 which give rise to a bending moment about a moment axis extending parallel to wall 1 through or at least near collar bearing 35. The hollow-curved edge part 56 is provided in a further convex curved edge part with convex edge parts 59, 60 on either side of the concave curved edge part 56 (see also figures 4 and 5). The transitions between, on the one hand, the curved edge part 56 and the respective convex edge parts are indicated by reference numerals 57, 58.

Positioning device 10 can be used as follows. The starting point is the situation according to figures 2 and 4, wherein support arm 12 extends perpendicular to wall 1. The length of support arm 12 and the setting of projector 3 is chosen such that at that particular spatial position of projector 3 a correct projection by projector 3 on projection screen 2 takes place with an optimum image quality. By manually exerting a force on the support arm 12 in the horizontal direction, the support arm 12 will tend to pivot about pivot axis 14, with ball bearing 64 rotating in the opposite direction. However, this tendency is counteracted because of the shape fit between edge part 56 and ball bearing 64, however, thereby becoming some resistance. The respective opposing force is involved until the contact between the ball bearing 64 and the edge part 56 is lost at the location of one of the transitions 57, 58 and then there is still momentary contact between the ball bearing 64 and the relevant concave curved edge part 59 60. As long as there is contact between the ball bearing 64 and the curved edge part 56, the positioning plate 51 and thus the underside of the bearing arm 12 is forced away to a limited extent from the ball bearing 64. As a result, the bearing arm 12 with the projector 3 rotates upwards to a very limited extent δ. the aforementioned moment axis. This upward movement of the carrying arm 12 with the projector 3 provides the aforementioned increased resistance.

When the support arm 12 is swiveled back to the position according to Fig. 1, one of the spherically curved edge parts 59, 60 will come into contact with the ball bearing 64 which will rotate from that moment on with the pivoting of support arm 12 and at the same time the positioning plate 51 will force the ball bearing 64 slightly away, as a result of which bearing arm 12 will again turn up to a limited extent, until the contact between positioning plate 51 and ball bearing 64 changes from the respective convex edge part 59, 60 to the hollow edge part 58 at the associated end 57, 58, wherein the carrying arm again pivots back down to the original position.

Thanks to the invention, projector 3 will always return to the same position as the carrying arm 12 is moved in the listening right pivotal position oriented on the wall 1. This advantage is achieved despite an extremely simple embodiment of the positioning device 10.

The preferred embodiment described above is only one of the many possible embodiments of the invention. In the described preferred embodiment, there is only one preferred position of the carrying arm. The principle of the invention, however, lends itself perfectly to use when a number of preferred positions are desired, for example for spatially positioning a (flat) screen that can be oriented in different directions. A practical embodiment could thereby be realized by mounting the ball bearing in the bearing arm and providing a positioning plate with a number of hollow edges fixedly in the wall bracket. 25 1036496

Claims (15)

1. Device for positioning visual equipment, such as in particular a projector, at a specific spatial position, comprising a wall member for mounting the device on a wall, a bearing arm pivotable relative to the wall member about an at least substantially vertical pivot axis, which carrying arm comprises fixing means for attaching the visual equipment to the carrying arm, positioning means for positioning the carrying arm in a specific pivoting position, wherein the visual equipment is positioned at the determined spatial position, characterized in that the positioning means is a first wall member associated with positioning member and a second positioning member associated with pivotal arm, said first positioning member and second positioning member abutting against each other in the determined pivoting position of the supporting arm, the shape of the first positioning member and the shape of the second positioning member connect to each other with respect to the abutment and that when the bearing arm is pivoted from the determined pivoting position, a pivotal counter-force is generated in the first instance, which counter-force is lost in the second instance.
2. Device as claimed in claim 1, characterized in that the opposing force is at least partly determined by the weight of the carrying arm and the visual equipment possibly attached thereto via the fixing means.
3. Device as claimed in claim 1 or 2, characterized in that one of the first positioning member and the second positioning member at the location of the abutment in the determined pivotal position has a hollow edge and the other of the first positioning member and the second positioning member at the location of the has a convex edge in the determined pivot position.
Device as claimed in claim 3, characterized in that at least one and preferably both of the hollow edge and the convex edge are curved.
Device according to claim 4, characterized in that both the concave edge and the convex edge are curved, the radius of curvature of the concave curved edge having a magnitude of between 1.0 and 1.1 times the magnitude of the curvature radius of the convex curved edge.
Device as claimed in any of the foregoing claims, characterized in that one of the first positioning member and the second positioning member has a circular shape with an at least substantially vertical center line and the other of the first positioning member and the second positioning member at the location of the abutment, in the determined pivotal position, has a hollow shape adjoining the circular shape.
Device as claimed in claim 6, characterized in that the other of the first positioning member and the second positioning member has a convex shape immediately next to the hollow shape.
8. Device as claimed in claim 6 or 7, characterized in that the one circular positioning member is rotatable about its axis.
Device as claimed in claim 6, 7 or 8, characterized in that the one circular positioning member is a roller bearing, preferably a ball bearing.
Device as claimed in any of the foregoing claims, characterized in that the first positioning member and the second positioning member are fixedly connected to the wall member and the swivel arm, respectively.
11. Device as claimed in any of the foregoing claims, characterized in that the bearing arm is mounted on both sides with a lower bearing and an upper bearing for pivoting the bearing arm relative to the wall member, wherein the first positioning member and the second positioning member closer to the lower bearing than to the upper bearing.
Device as claimed in claim 11, characterized in that the lower bearing is displaceable in the longitudinal direction of the bearing arm relative to the bearing arm.
13. Device as claimed in claim 12, characterized in that a slotted hole extending in the longitudinal direction of the bearing arm is provided in the bearing arm in which the lower bearing is slidably received.
14. Device as claimed in any of the foregoing claims, characterized in that the transition between the first body and the second body is achieved when the carrying arm is pivoted through an angle of at most 5 degrees with respect to the determined pivoting position.
Device according to one of the preceding claims, characterized in that the carrying arm is of the telescopic type. 1036496
NL1036496A 2009-02-02 2009-02-02 Device for spacious positioning of visual equipment at a particular position. NL1036496C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL1036496A NL1036496C2 (en) 2009-02-02 2009-02-02 Device for spacious positioning of visual equipment at a particular position.
NL1036496 2009-02-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1036496A NL1036496C2 (en) 2009-02-02 2009-02-02 Device for spacious positioning of visual equipment at a particular position.

Publications (1)

Publication Number Publication Date
NL1036496C2 true NL1036496C2 (en) 2010-08-03

Family

ID=40791066

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1036496A NL1036496C2 (en) 2009-02-02 2009-02-02 Device for spacious positioning of visual equipment at a particular position.

Country Status (1)

Country Link
NL (1) NL1036496C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865025A (en) * 2011-07-06 2013-01-09 清展科技股份有限公司 Projectable door window structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624173A (en) * 1996-03-19 1997-04-29 Davidson; Steven Video frame system
WO2000052526A1 (en) * 1999-03-03 2000-09-08 3M Innovative Properties Company Integrated front projection system
US20020131024A1 (en) * 2001-03-19 2002-09-19 Keenan Vaughn E. Overhead projection system
US20050057542A1 (en) * 2003-07-16 2005-03-17 Plut William J. Positionable projection display devices
US7427983B1 (en) * 2002-06-02 2008-09-23 Steelcase Development Corporation Visual communication system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624173A (en) * 1996-03-19 1997-04-29 Davidson; Steven Video frame system
WO2000052526A1 (en) * 1999-03-03 2000-09-08 3M Innovative Properties Company Integrated front projection system
US20020131024A1 (en) * 2001-03-19 2002-09-19 Keenan Vaughn E. Overhead projection system
US7427983B1 (en) * 2002-06-02 2008-09-23 Steelcase Development Corporation Visual communication system
US20050057542A1 (en) * 2003-07-16 2005-03-17 Plut William J. Positionable projection display devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865025A (en) * 2011-07-06 2013-01-09 清展科技股份有限公司 Projectable door window structure

Similar Documents

Publication Publication Date Title
DE60038394T2 (en) Tilting device for positioning electronic devices
US7593218B2 (en) Supporting device for display apparatus and display apparatus having the same
US6854698B2 (en) Arm apparatus for mounting electronic devices
US20070210221A1 (en) Display apparatus
US6058641A (en) Pivotable bench rest for shooting a firearm
JP4515106B2 (en) Dome camera
CA2611499C (en) Self-balancing adjustable mounting system with friction adjustment
EP1237444B1 (en) Support arm for visual display unit
US4099697A (en) Tilting post supported seat biased to an upright position
JP3592716B2 (en) Adjustable batting tee for baseball
EP1368570B1 (en) Support device for a liquid crystal flat screen
US8162268B1 (en) Monitor support device
EP2179341B1 (en) Mount and electronic display system
US8490934B2 (en) Adjustable, self-balancing flat panel display mounting system
EP0516475A1 (en) Swivel mounting assembly for televisions and the like
US20080061196A1 (en) Multiple electronic device reorienting support
US3995797A (en) Tilt mounting heads
US4516751A (en) Wall bracket system
US7774973B2 (en) Fishing rod holder
US6375257B1 (en) Chair tablet arm apparatus
US6450464B1 (en) Satellite dish stand
US9004430B2 (en) Articulating mount for a display
US5179972A (en) Hose reel
EP1079046A3 (en) Low profile lift mounting arrangement for telescoping mast
CN1493066A (en) Device for regulating direction of display

Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee

Effective date: 20140901