KR20100025953A - Slide assemblies with liquid dampers for use in slidably opening and closing portable terminals - Google Patents

Abstract

PURPOSE: A slide assemblage with a liquid damper to be used for slide opening/closing a portable terminal is provided to mitigate impacts or collisions to the slide assemblage by sliding a second sliding member through a damper. CONSTITUTION: A housing is combined to either a first or a second slider member. A rotator(120) is installed in the housing to be rotated. A liquid damping substance is located in the housing. The liquid damping substance is viscous to resist the rotation of the rotator. An arm(144) is combined to the rotator to rotate the rotator.

Description

SLIDE ASSEMBLIES WITH LIQUID DAMPERS FOR USE IN SLIDABLY OPENING AND CLOSING PORTABLE TERMINALS}

The present invention relates to a slide assembly having a liquid damper and used to slidably open and close a portable terminal such as an electronic device.

Portable terminals (eg, mobile phones, etc.) are a popular communication method. And the opening and closing operation of the terminal is important. Many mobile terminals use flip-type opening and closing structures. In such a terminal, a spring element for rotatably biasing the first and second bodies of the terminal separately and together when opening and closing the terminal can be coupled to the first and second bodies of the terminal. Other portable terminals use slide-type opening and closing structures. In such a slide type terminal, a spring element for slidably biasing the first and second bodies of the terminal separately and together when opening and closing the terminal may be coupled to the first and second bodies of the terminal.

1 shows a conventional slide assembly for use in, for example, a slide type portable terminal. As shown, the slide assembly has a first slider member or body 1 and a second slider member or body 2. The first slider member 1 and the second slider member 2 are slidably coupled to each other. The second slider member 2 is slidably resiliently moved between one end (closed position of the slide assembly) and the other end (open position of the slide assembly) of the first slider member 1. In order to provide elastic movement of the second slider member 2, a bias element or a spring element 3 is arranged between the first and second slider members 1, 2. The spring element 3 has a maximum displacement in the open and closed positions of the slide assembly. The orientation of the spring element 3 changes with the slide movement of the second slider member 2 with respect to the first slider member 1. In order to cushion the impact of the second slider member 2 against the first slider member 1 when the second slider member 2 approaches the closed position and the open position, the rubber bumper 4 is provided with the first slide member ( At the ends of 1).

According to various aspects of the invention, exemplary embodiments of a slide assembly used to slidably open and close a mobile terminal are disclosed. In one embodiment, the slide assembly has first and second slider members. The second slider member is coupled to the first slider member and is slidable relative to the first slider member between the closed position and the open position. The first slider member has an arm stopper having first and second side portions. The second slider member has a slot extending along the slide direction of the slide assembly. The housing is coupled to the first slider member. The rotator is rotatably mounted in the housing. Also within the housing is a liquid damping material having a viscosity for resisting rotation of the rotator. The arm is coupled to the rotator so that when the arm rotates, the rotator rotates. The arm is slidably coupled to the slot such that the arm moves linearly with respect to the slot until the corresponding end of the slot pivots the arm between the first and second side portions of the arm stopper. The liquid damper generates a damping force against the rotation of the rotator. This damping force reduces the slide speed of the second slider member relative to the first slider member when the slide assembly approaches the open or closed position. Another aspect relates to a mobile communication terminal having a slide assembly.

An additional aspect of the invention relates to a damper for reducing the slide speed of the first slider member relative to the second slider member of the slide assembly. In one embodiment, the damper has a housing and a rotator rotatably mounted within the housing. Also within the housing is a liquid damping material having a viscosity for resisting rotation of the rotator. The arm is coupled to the rotator such that the rotational movement of the arm rotates the rotator. Another aspect relates to a slide assembly having such a damper and a portable communication terminal.

Other areas of application will be apparent from the description provided herein. The description and specific examples are for illustrative purposes only and are not intended to limit the scope of the invention.

DETAILED DESCRIPTION Exemplary embodiments will be described in detail with reference to the accompanying drawings. Corresponding reference numerals in the drawings indicate corresponding parts.

As mentioned above, FIG. 1 shows a conventional slide assembly with a rubber damper 4 disposed at the end of the first slider member 1. With respect to this conventional slide assembly, the inventors act only as a cushion for the impact or impact that the rubber damper 4 is exerted on the first slider member 1 by the second slider member 2, thereby providing a rubber damper. (4) recognized that the second slider member 2 did not slow down smoothly or slowly when the second slider member 2 approached the closed or open position. Thus, when the second slider member 2 is moved to the closed position or the open position, the second slider member 2 strikes the first slider member 1 with a constant impact. Thus, the impact force is transmitted to the various parts mounted on the slider members. Therefore, the present inventors have various slide assemblies with dampers (eg, silicone oil, etc.) that can smoothly and slowly decelerate the second slider member while the second slider member approaches the closed and open positions relative to the first slider member. Recognized and disclosed a need for

Referring to the drawings, FIGS. 2-14 illustrate exemplary embodiments of a damper 100 implementing one or more aspects of the present invention. The damper 100 can be used, for example, in a slide type portable terminal (shown in FIGS. 11 and 12) to facilitate or assist the slideable opening and closing of the portable terminal. The portable terminal may include, for example, a mobile communication terminal such as a mobile phone, personal digital terminals (PDAs), other electronic devices, and the like within the scope of the present invention.

As shown in FIGS. 2 and 3, the illustrated damper 100 includes a lower case or housing portion 104 and an upper case or housing portion 108. The lower case 104 has a recess 112 (shown in FIG. 3) for receiving a liquid damping substance (eg, silicone oil, etc.). When the damper 100 is assembled, the lower case 104 and the upper case 108 together form a housing or seal with a space or cavity therebetween to hold the liquid damper (eg, silicone oil, etc.). . The lower case 104 also includes a pin, member, or protrusion 116 that projects upward in the recess 112. In this particular example, the recess 112 and the projection 116 of the lower case are generally circular. Other embodiments may have lower shapes of other shapes, such as lower cases with non-circular recesses or non-circular protrusions. Lower case 104 and upper case 108 may be formed from any suitable material, such as, for example, steel, plastic, metal, alloy, combinations thereof, and the like within the scope of the present invention.

The damper 100 further includes a rotator 120 that cooperates with the liquid damper disposed in the damping space between the lower case 104 and the upper case 108. As shown in FIGS. 3 and 4, rotator 120 has a base 124 that is generally flat in shape. Rotator 120 also has a fitting axis 128 extending upward from the central portion of the base 124 of the rotator. The fitting shaft 128 has an opening 132 (shown in FIG. 3) of the upper case 108 when the lower case 104 and the upper case 108 are assembled to each other with the base 124 of the rotator therebetween. It is configured to extend through the outside. With continued reference to FIG. 4, the bottom of the rotator 120 has a generally circular recess 136 corresponding to the pin protrusion 116 of the lower case 104. The rotator 120 is rotatable on the lower case 104 by placing the recess 136 of the rotator on the pin protrusion 116 of the lower case so that the rotator 120 can rotate about the pin protrusion 116. Is fitted. Rotator 120 may be formed by injection molding from any suitable material, such as, for example, Polyoxymethylene Acetal Polymer (POM), within the scope of the present invention.

3 and 4, a sealing member 140 is disposed between the upper surface of the rotator 120 and the lower surface of the upper case 108 to form a damping formed between the lower case 104 and the upper case 108. The liquid damper (eg, silicone oil, etc.) from the space or cavity is prevented from leaking through the opening 132 of the upper case 108. In the illustrated embodiment, the sealing member 140 is an O-ring made of silicone rubber. Alternative sealing members made of other suitable materials may also be used.

Rotator 120 may be coupled to slider member of the slide assembly by arm 144. As shown in FIG. 3, the arm 144 is generally flat and long in shape, and has generally rounded longitudinal ends 148, 152. Arm 144 may be formed from any suitable material, such as, for example, steel, plastic material, metal material, alloys, combinations thereof, and the like, which are within the scope of the present invention.

Arm 144 has a fitting hole or opening 156 (shown in FIG. 3) at proximal end 148 that engages or mates with fitting axis 128 of rotator 120. Arm 144 has another hole or opening 160 at the other end 152 of the arm to which rivets 164 (eg, steel rivets, etc.) are coupled. Rivet 164 may contact a portion of the slide assembly when damper 100 is used in the slide assembly. As an alternative embodiment, an arm 144 having a coupling member or coupling portion instead of the rivet 164 may be provided.

An exemplary process by which the damper 100 is manufactured will be described with reference to FIGS. 5 to 10. First, a damping material (e.g., silicone oil, etc.) is poured into the recess 112 of the lower case 104 or otherwise added. (See FIG. 5) Next, the recess of the bottom surface of the rotator 120 ( The rotator 120 can be rotatably mounted to the lower case 104 by inserting or engaging the pin protrusion 116 of the lower case into (136) (shown in FIG. 4). 140 is fitted to the rotator 120.

As shown in FIG. 7, the upper case 108 may be installed or bonded (eg, spot welding) on the lower case 104. For example, the upper case 108 may be spot welded to the lower case 104. As a variant, other suitable methods or means for attaching the upper case 108 to the lower case 104 may be used, such as gluing, welding, mechanical fastening, and the like.

The boundary or gap between the lower case 104 and the upper case 108 may be sealed by silicon caulking 168 (shown in FIG. 8). As a variant, other suitable methods or means for sealing the gap between the lower case 104 and the upper case 108 may be used.

Arm 144 (shown in FIG. 9) may be coupled to rotator 120 in a manner that couples fitting axis 128 of rotator to fitting yoke 156 of arm. Arm 144 may then be more permanently bonded or bonded to rotator 120 by, for example, thermal bonding 172 (shown in FIG. 10). That is, a part of the fitting shaft 128 of the rotator protruding outward beyond the fitting hole 156 of the arm 144 may be thermally bonded. Rivets 164 may then be attached to arm 144 through holes 160.

11 and 12, the damper 100 may be installed or assembled in a slide assembly, for example, used in a slide type portable terminal to facilitate or assist the slideable opening and closing of the portable terminal. As shown in FIGS. 11 and 12, the slide assembly has a first body or slider member 176 and a second body or slider member 180 that is slidably movable relative to the first slider member 176. . The slide assembly also has a bias element 184, such as an elastic element or a spring element. Track system (eg, male and female) for slidably coupling the first slider member 176 to the second slider member 180 and achieving relatively smooth slide movement between the first and second slider members 176, 180. Track system, etc.). As another example, a user input device (eg, a keypad, etc.) may be supported by the first slider member 176 and a display device (eg, an LCD display screen, etc.) may be supported by the second slider member 180. Can be. In this example, the electronic elements supported by the first and second slider members 176, 180 can be electrically connected for operation via, for example, a flexible PCB. 11 and 12 show an example of a slide assembly in which the damper 100 may be used, the damper 100 having different, additional, or other components than those shown in FIGS. 11 and 12. It may be used for other slide assemblies.

Continued reference is made to FIGS. 11 and 12. The lower case 104 of the damper 100 may be fixed to the first slider member 176. The first slider member 176 includes an arm stopper 187 having a dovetail groove shape in which the arm 144 of the damper 100 is disposed. As shown in comparison with FIGS. 11 and 12, the arm 144 is pivotable between generally opposing side portions 185, 186 of the dovetail groove shaped arm stopper 187. Accordingly, the side portions 185, 186 of the arm stopper 187 are shaped like a dovetail groove with the arm 144 according to whether the slide assembly is closed (shown in FIG. 11) or opened (shown in FIG. 12). The contact between the corresponding side portion 185 of the arm stopper 187 or the contact between the arm 144 and the side portion 186 can act as a stop to limit the rotation of the arm 144.

The second slider member 180 has a slot 190 extending along and parallel to the slide direction. The rivet 164 of the damper 100 is located in the slot 190 such that the rivet 164 can slidably move in a straight line along the slot 190. Slot 190 has generally opposed ends 192 and 194. The ends 192, 194 of the slot face the open position (shown in FIG. 11) or the open position (shown in FIG. 12) of the second slider member 180 relative to the first slider member 176. The rivet 164 and the corresponding end 192 of the slot 190 or contact between the rivet 164 and the end 194 along any slide movement that is directed may act as a stop.

For example, when the second slider member 180 approaches from the closed position of the slide assembly to the open position (shown in FIG. 12), the rivet 164 slides along the slot 190 to lower end of the slot 190. 194 is contacted. As the second slider member 180 continues to slide relative to the first slider member 176, the contact between the rivet 164 and the lower end 194 of the slot 190 is moved from the position shown in FIG. The arm 144 is generally rotated upward straight up to the position shown in FIG. When the arm 144 is fully rotated, the rivet 164 contacts the upper side portion 185 of the arm stopper 187 to prevent further rotation of the arm 144 (clockwise rotation in FIG. 12). In the fully open position, the rivet 164 is secured in place between the lower end 194 of the slot 190 and the upper side portion 185 of the arm stopper 187. Therefore, the second slider member 180 is positioned in the open position with respect to the first slider member 176 by the rivet 164, the arm 144 and the arm stopper 187. During the slide movement of the second slider member 180 towards the open position, the contact of the lower end 194 of the slot 190 with the rivet 164 is indicated by the arm 144 (and as indicated by the arrows in FIG. 14). Rotator 120 coupled to the arm is rotated or rotated from the position of the arm shown in FIG. 11 to the position of the arm shown in FIG. 12. While the rotator 120 rotates, the outer and upper surfaces of the rotator rotate against the resistance of the silicone oil (or other suitable liquid damper) in the space formed between the lower case 104 and the upper case 108. . Thus, when the second slider member 180 approaches the open position, the slide movement of the second slider member 180 is smoothly decelerated by the rotation against the resistance of the silicone oil of the rotator 120.

When sliding in the opposite direction toward the closed position (shown in FIG. 11), the slide movement of the second slider member 180 is also smoothly decelerated by the silicone oil and the rotator 120. Specifically, as the second slider member 180 approaches the closed position, the upper end 192 and the rivet 164 of the slot 190 contact each other. As the second slider member 180 continues to slide with this contact, the arm 144 (and the rotator 120 coupled thereto) moves from the position of the arm shown in FIG. 12 to the position of the arm shown in FIG. Rotate or rotate until While the rotator 120 rotates, the outer and upper surfaces of the rotator rotate against the resistance of the silicone oil (or other suitable liquid damper) in the space formed between the lower case 104 and the upper case 108. . Therefore, when the second slider member 180 approaches the closed position, the slide movement of the second slider member 180 is smoothly decelerated by the rotation against the resistance of the silicone oil of the rotator 120. Rivet 164 finally contacts lower side portion 186 of arm stopper 187 to prevent further rotation of arm 144 (counterclockwise rotation in FIG. 11). In the fully closed position, the rivet 164 is also held in place between the lower end 192 of the slot 190 and the lower side 186 of the arm stopper 187.

As described above and also as shown in FIG. 13, the arm 144 of the damper 100 is defined by the side portions 185, 186 of the arm stopper 187 (shown in FIGS. 11 and 12, respectively). It rotates between the two positions, and a damping action occurs during the rotational movement of the arm, rotating the rotator 120 against the resistance of the silicone oil. Therefore, the slide movement of the second slider member 180 is smoothly decelerated near the closed position and the open position of the slide assembly.

Damping torque can be controlled by the viscosity of the silicone oil or other liquid damper and the overall shape of rotator 120. For example, in embodiments where a larger damping torque is desired, damping materials having a higher viscosity than silicone oil may be used. Conversely, in embodiments where smaller damping torques are desired, damping materials having a lower viscosity than silicone oil may be used.

In some embodiments, the rivet 164 moves a straight line distance (vertical distance in FIG. 13) of about 6.60 mm and the arm 144 rotates about 30 degrees as shown in FIG. 13 (clockwise in FIG. 13). Rotated) or dimensioned. Another embodiment may be configured such that the distance the rivet moves or the angular rotation of the arm is greater or less than 6.60 mm and 30 degrees, respectively. Further, other embodiments may have one or more components having smaller or larger relative dimensions in proportion to components other than those shown in the figures. Dimensions are disclosed herein as examples for illustrative purposes only.

In particular, the damper according to the invention is characterized in that the second slider member 180 is slidably moved relative to the first slider member 176 between the closed and open positions of the slide assembly. The slide movement can be used in the slide assembly so that the slide movement can be smoothly decelerated by the damper 100 near the closed position and the open position. Therefore, the impact or impact applied to the slide assembly by the slide movement of the second slider member 180 can be attenuated and mitigated by the damper 100.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or to limit the invention. Individual elements or features of a particular embodiment, although not specifically shown or described, are not limited to that particular embodiment and, where applicable, are compatible and may be used in the selected embodiment. They can also be modified in many ways. Such variations are not to be regarded as a departure from the invention, and all such modifications are intended to be included within the scope of the invention.

Embodiments are provided to provide a thorough understanding of the present invention and to fully convey the scope to those skilled in the art. In order to provide a thorough understanding of embodiments of the present invention, numerous specific details are disclosed, such as examples of specific elements, devices, and methods. It will be apparent to those skilled in the art that these specific details need not be employed and that the embodiments may be embodied in many different forms and none should be inferred as limiting the scope of the invention. In some embodiments, well known processes, well known device structures and well known techniques are not described in detail.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms “comprising”, “comprising” and “having” are inclusive and thus describe the presence of stated features, components, steps, actuations, components or parts, but one or more other It does not exclude the presence or addition of features, components, steps, acts, components, parts, or groups thereof. It should be further understood that the method steps, processes and actions described herein are not necessarily inferred that they must be performed in the particular order discussed or illustrated unless specifically identified as the order of execution. It should also be understood that additional or alternative steps may be employed.

When one component or layer is referred to as being "on", "combined", or "connected" to another component or layer, it may be directly on or directly coupled to or connected to another component or layer; There may be intervening components or layers. On the other hand, when one component is referred to as being “directly on” another component or layer, “directly coupled” or “directly connected” to it, there may be no intervening components or layers. Other words used to describe the relationship between components (eg, "between" and "directly between", "adjacent" and "directly adjacent", etc.) should be interpreted in the same way. As used herein, the term “or” includes any and all combinations of one or more of the items listed in relation thereto.

Although the terms first, second, third, etc. may be used herein to describe various components, parts, regions, layers, or parts, such components, parts, regions, layers, or Portions should not be limited to these terms. These terms may only be used to identify one component, part, region, hierarchy or portion with another region, hierarchy or portion. Terms such as “first” and “second” and other ordinal terms, as used herein, do not mean an order or sequence unless clearly indicated by the context. Thus, a first component, part, region, hierarchy or part may be referred to as a second component, component, region, hierarchy or part without departing from the teachings of the embodiments.

Spatial terms such as “inside”, “outer”, “bottom”, “bottom”, “bottom”, “top”, “top”, etc., may be described herein as shown in the drawings of one element or feature. When describing a relationship to an element or feature, it may be used for convenience of description. Spatial terms are intended to include other orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, when the apparatus of the figure is turned upside down, elements described as being "below" or "below" other components or features will be oriented "up" of the other components or features. Thus, for example, the term “below” may encompass both an orientation of above and below. The apparatus may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial terms used herein may be interpreted accordingly.

1 is a perspective view of a prior art slide assembly having a rubber bumper that can be used to slidably open and close a slide type electronic device.

2 is a perspective view of a damper for a slide assembly according to an exemplary embodiment of the present invention.

3 is an exploded perspective view of the damper shown in FIG. 2.

4 is a cross-sectional view of the damper shown in FIG. 2 taken along the A-A plane of FIG.

FIG. 5 is a perspective view of the lower case of the damper shown in FIG. 2, showing the recess of the lower case which can be filled with a liquid damping material (for example, silicone oil, etc.).

FIG. 6 is a perspective view of the lower case, the rotator and the O-ring of the damper shown in FIG. 2, and shows the rotator mounted on the lower case of FIG. 5 and the O-ring installed on the rotator.

FIG. 7 shows the lower case and upper side of the damper shown in FIG. 2 with the rotator, liquid damper and O-ring disposed between the upper case and the lower case and the upper case installed and bonded on the lower case of FIG. It is a perspective view which shows a case.

8 is a perspective view illustrating the upper and lower cases shown in FIG. 7 after sealing a circular gap between the upper case and the lower case.

FIG. 9 is a perspective view showing an arm of a damper coupled to the rotator by engaging the rotator's fitting axis (shown in FIG. 8) with the hole in the arm. FIG.

FIG. 10 is a perspective view showing an arm joined to the protrusion of the fitting axis of the rotator protruding outward beyond the hole of the arm shown in FIG. 9. FIG.

FIG. 11 is a plan view of the exemplary slide assembly with the damper shown in FIG. 2 assembled, showing the slide assembly in the closed position.

FIG. 12 is a top view similar to FIG. 11 with the slide assembly shown in the open position;

FIG. 13 is a plan view of the damper shown in FIG. 2 and shows two different positions of the arm of the damper in the closed position and the open position.

14 is a perspective view of the damper shown in FIG. 13 with the upper case and arms removed to show the direction of rotation of the rotator from the closed position to the open position.

<Explanation of symbols for the main parts of the drawings>

100: damper

104: lower case

108: upper case

112: recess

116: pin protrusion

120: rotator

124: base

128: insertion axis

132 opening

136: recess

140: O-ring

144: arm

156: fitting hole

160: hole

164: rivet

176: first slider member

180: second slider member

184: bias element

185, 186: side portion of the arm stopper

187: arm stopper

190: slot

192, 194: end of slot

Claims (23)

A damper for reducing the slide speed of the first slider member relative to the second slider member of the slide assembly when the first slider member approaches the open or closed position of the slide assembly, A housing coupled to one of the first and second slider members; A rotator rotatably mounted within said housing; A liquid damper positioned in the housing and having a viscosity for resisting rotation of the rotator; An arm coupled to the rotator such that a rotational movement rotates the rotator Damper comprising a. The method of claim 1, The liquid damping material comprises a silicone oil, Damper. The method according to claim 1 or 2, The housing includes a lower case having a recess for accommodating the liquid damping member and an upper case coupled to the lower case, Damper. The method of claim 3, The lower case has a pin protruding upwards, The rotator includes a recess for receiving the pin of the lower case so that the rotator is rotatable about the pin, Damper. The method of claim 3, The rotator has a base and the fitting axis extending upward from the base, The upper case has an opening through which a portion of the fitting axis of the rotator extends, The arm has an opening to which a portion of the fitting axis of the rotator extending through the opening of the upper case is coupled; Damper. The method of claim 5, The arm is joined by thermal bonding to the fitting axis of the rotator Damper. The method of claim 5, A sealing member is disposed with respect to the opening of the upper case to prevent leakage of the liquid damping material through the opening of the upper case. Damper. The method of claim 3, The upper case is welded to the lower case Damper. The method of claim 3, Further comprising silicon caulking in the gap between the upper case and the lower case. Damper. The method according to claim 1 or 2, Said arm is flat and long, having rounded first and second ends, The first end having an opening coupled to the rotator and the second end having an opening coupled to the rivet, Damper. The method according to claim 1 or 2, And a rivet coupled to the arm and slidably received in a slot formed by at least one of the first and second slider members. Damper. The damper of claim 1 or 2, A first slider member, A second slider member coupled to the first slider member and slidable relative to the first slider member between a closed position and an open position, The housing is coupled to the first slider member, The arm is coupled to the second slider member such that the arm pivots when the second slider member slidably moves relative to the first slider member to approach the open or closed position, The rotational movement of the arm rotates the rotator in the liquid damping member and generates a damping force against the rotation of the rotator such that the damping force reduces the slide speed of the second slider member relative to the first slider member. Slide assembly. A portable communication terminal comprising the slide assembly of claim 12 for slidably opening and closing the portable communication terminal. A slide assembly used to slidably open and close the electronic device, A first slider member having an arm stopper having first and second side portions; A second slider member coupled to the first slider member and slidable relative to the first slider member between a closed position and an open position, the second slider member having a slot extending in the slide direction of the slide assembly and having opposite ends; ; A housing coupled to the first slider member; A rotator rotatably mounted within said housing; A liquid damper positioned in the housing and having a viscosity for resisting rotation of the rotator; An arm coupled to the rotator so that the rotator rotates when rotated, The arm is straight relative to the slot until the corresponding end of the slot pivots the arm from one of the first and second side portions of the arm stopper to the other of the first and second side portions of the arm stopper. The arm is slidably coupled to the slot for movement, The liquid damping material is a damping force for reducing the slide speed of the second slider member relative to the first slider member against the rotation of the rotator transmitted via the arm when the slide assembly approaches the open or closed position. Causing Slide assembly. The method of claim 14, The liquid damper includes silicon oil Slide assembly. The method according to claim 14 or 15, The arm stopper has a dovetail shape Slide assembly. The method according to claim 14 or 15, And a bias member coupled between the first and second slider members. Slide assembly. The method according to claim 14 or 15, Further comprising a rivet coupled to the arm, The rivet until the contact between the rivet and the corresponding end of the slot pivots the arm from one of the first and second side portions of the arm stopper to the other of the first and second sides of the arm stopper. The rivet slidably engages in the slot to slide along the slot Slide assembly. The method according to claim 14 or 15, The housing has a lower case having a recess for receiving the liquid damping material and an upper case coupled to the lower case, Slide assembly. The method of claim 19, The lower case has a pin protruding upwards, The rotator includes a recess for receiving the pin of the lower case so that the rotator is rotatable about the pin, Slide assembly. The method of claim 19, The rotator has a base and the fitting axis extending upward from the base, The upper case has an opening through which a portion of the fitting axis of the rotator extends, The arm has an opening to which a portion of the fitting axis of the rotator extending through the opening of the upper case is coupled. Slide assembly. The slide assembly of claim 20, A user input device coupled to one of the first and second slider members, A display coupled to the other of the first and second slider members Mobile communication terminal comprising a. The method of claim 20, The arm is configured to start pivoting when the slide assembly is about 6.60 mm away from the open or closed position of the slide assembly. Slide assembly.

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