[0040] FIG. 9 is a cross-sectional view taken along line D-D of FIG. 7.
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`[0041] FIG. 10 is a view corresponding to the FIG. 8 according to another exemplary
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`embodiment of the present invention.
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`[0042] FIG.
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`1 l is a view corresponding to the FIG. 9 according to another exemplary
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`embodiment of the present invention.
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`[0043]
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`It may be understood that the appended drawings are not necessarily to scale,
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`presenting a somewhat simplified representation of various features illustrative of the
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`basic principles of the invention. The specific design features of the present invention as
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`disclosed herein, including, for example, specific dimensions, orientations, locations, and
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`shapes will be determined in part by the particularly intended application and use
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`environment.
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`[0044]
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`In the figures, reference numbers refer to the same or equivalent parts of the
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`present invention throughout the several figures of the drawing.
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`DETAILED DESCRIPTION
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`[0045] Reference will now be made in detail to various embodiments of the present
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`invention(s), examples of which are illustrated in the accompanying drawings and
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`described below. While the invention(s) will be described in conjunction with exemplary
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`embodiments, it will be understood that the present description is not intended to limit the
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`invention(s) to those exemplary embodiments. On the contrary, the invention(s) is/are
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`intended to cover not only the exemplary embodiments, but also various alternatives,
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`modifications, equivalents and other embodiments, which may be included Within the
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`spirit and scope of the invention as defined by the appended claims.
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`[0046] Exemplary embodiments of the present application will be described more fully
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`hereinafter with reference to the accompanying drawings, in which exemplary
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`embodiments of the invention are shown.
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`[0047] The drawings and description are to be regarded as illustrative in nature and not
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`restrictive. Like reference numerals designate like elements throughout the specification.
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`Since size and thickness of each component illustrated in the drawings are arbitrarily
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`represented for convenience in explanation, the present invention is not limited to the
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`illustrated size and thickness of each component and the thickness is enlarged and
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`illustrated to clearly express various parts and areas.
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`In the following description,
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`dividing names of components into first, second and the like is to divide the names
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`because the names of the components are the same as each other and an order thereof is
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`not particularly limited. Throughout the specification, unless explicitly described to the
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`contrary, the word “comprise” and variations such as “comprises” or “comprising”, will be
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`understood to imply the inclusion of stated elements but not the exclusion of any other
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`elements. As those skilled in the art would realize, the described embodiments may be
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`modified in various different ways, all without departing from the spirit or scope of the
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`present invention.
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`[0048] Referring to FIG. 1 and FIG. 2, a door of a vehicle according to an exemplary
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`embodiment of the present invention may include a first door module having a door
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`external panel 1, a door internal panel 2, a door frame 3 and an impact beam 4, a second
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`door module 5, and a door trim 6 as a third door module.
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`[0049] The door external panel 1 may be disposed outside a passenger compartment and
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`formed into a perfect panel shape in consideration of door rigidity. The door internal
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`panel 2 may be disposed inside the passenger compartment and have an opening portion
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`21 at a center portion thereof to reduce weight and cost.
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`[0050] The door external panel 1 and the door internal panel 2 may be formed of metal
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`material as steel.
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`[0051] Areinforcing beam 22 may be coupled to the door internal panel 2 in a form that
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`transvers a portion of the opening portion 21.
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`[0052] When the door internal panel 2 is combined with the door external panel 1, the
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`reinforcing beam 22 may be disposed close to the door external panel 1 to support the door
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`external panel 1.
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`[0053] The door frame 3 may be coupled to an upper portion of the door internal panel 2.
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`[0054] The door frame 3 may include a belt line portion 31 formed to extend in the
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`longitudinal direction of a vehicle and disposed in a belt line portion of the door, and two
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`pillar portions 32, 33 extending at both end portions of the belt line portion in the height
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`direction of a vehicle and disposed forwards and rearwards thereof along the longitudinal
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`direction of a vehicle.
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`[0055] That is, the conventional door frame has a roof portion corresponding to the roof
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`profile of the vehicle body and a center pillar portion corresponding to the center pillar
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`profile of the vehicle body when the door is closed, while the door frame 3 according to an
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`exemplary embodiment of the present invention has not the conventional roof portion and
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`the center pillar portion.
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`[0056] Therefore, the door frame 3 according to an exemplary embodiment of the present
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`invention may reduce weight and cost as compared to the conventional door frame.
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`[0057] The impact beam 4 may be coupled to the door internal panel 2 and disposed close
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`to the door external panel 1, absorbing the impact at the side collision and blocking the
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`intrusion of the door into the passenger compartment.
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`[0058] The impact beam 4 and the door frame 3 are coupled to the door internal panel 2
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`and the door internal panel 2 is coupled to the door external panel 1 so that the first door
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`module as a door skeleton may be formed.
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`[0059] The second door module 5 may include a relatively lightweight material, for
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`example, a plastic material, as compared to the first door module.
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`[0060] Referring to FIG. 4, the second door module 5 may include a module body 51 of
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`the panel shape, and a door window portion 53 forming a door window 52 and being
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`integrally formed with the module body 51.
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`[0061] The door window portion 53 may include a roof portion 531 corresponding to the
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`roof profile of the vehicle body and a center pillar portion 532 corresponding to a center
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`pillar profile of the vehicle body when the door is closed to a vehicle body.
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`[0062] When the second door module 5 is coupled with the first door module, an internal
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`space is formed therebetween. A door glass 7 for opening or closing the door window 52
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`may be inserted into the internal space to be vertically movable via a lifting device such as
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`regulator (referring to FIG. 3.).
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`[0063] At least one door checker mounting boss 55 for mounting a door checker 8 may
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`be formed to be integrally protruded at the external surface 54 of the second door module
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`5 facing the outside of the passenger compartment.
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`[0064] Furthermore, at least one assemble protrusion 57, which is inserted into an
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`assemble hole formed at the door internal panel 2 and assembled thereto, may be formed
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`to be integrally protruded in the vicinity of the belt line portion at the external surface 54,
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`and an assemble boss 58 for assembling with the door internal panel 2 through fastener F
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`may be formed to be integrally protruded toward the outside at a lower portion of the
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`external surface 54, as shown in FIG. 5.
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`[0065] Referring to FIG. 5, a rigid protruding portion 23 may be formed in a lower
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`portion of the door internal panel 2. The rigid protruding portion 23 may be engaged
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`with the assemble boss 58 of the second door module 5 via the fastener F.
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`[0066] When the door internal panel 2 is coupled to the door external panel 1, the rigid
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`protruding portion 23 is spaced from the door external panel 1 so that an expanded section
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`S may be formed between the rigid protruding portion 23 and the door external panel 1 to
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`increase rigidity. The rigid protruding portion 23 is configured to increase the coupling
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`rigidity between the door internal panel 2 and the second door module 5.
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`[0067] At least one reinforcing rib 9 may be formed at the center pillar portion 532 and
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`the belt line portion of the second door module 5.
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`[0068] The reinforcing rib 9 may be formed by a first reinforcing rib 91 extending in the
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`longitudinal direction for a vehicle and a second reinforcing rib 92 extending in the height
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`direction for a vehicle, which are disposed to form lattice pattern.
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`[0069] At least one reinforcing portion 93 may be provided at the roof portion 531 of the
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`second door module 5, as shown in FIG. 7.
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`[0070] The at least one reinforcing portion 93 may include circular bosses 94, at least one
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`third reinforcing rib 95 extending radially from the circular bosses 94 and a first
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`reinforcing rib 94 connecting the circular bosses 94.
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`

`[0071] The reinforcing rib 9 and the reinforcing portion 93 is configured to reinforce the
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`rigidity of the second door module 5.
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`[0072] Referring to FIG. 6, a garnish 65 may be coupled to an external surface of the
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`center pillar portion 532 to improve the external appearance of the door.
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`[0073] A receiving groove may be formed between the garnish 65 and the center pillar
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`portion 532. A door glass run 15, which is configured to guide and support the door
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`glass 7, may be inserted into the receiving groove.
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`[007 4] Furthermore, a door weather strip 25 may be attached to the second door module 5
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`and a vehicle body weather strip 35 may be attached to a vehicle body 35, so that the
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`air—tightness may be maintained when the door is closed.
`
`[0075] FIG. 7 to referring to FIG. 9, to reinforce the roof portion 531, the center pillar
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`portion 532 and the belt line portion 533 of the second door module 5, a reinforcement
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`member 10 may be inserted into and integrally molded with the second door module 5.
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`[0076] The reinforcement member 10 may be a pipe shape of metal material and form a
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`closed loop.
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`[0077] A stepped portion 101, which is stepped in the height direction of a vehicle, may
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`be formed at the reinforcement member 10, increasing coupling force between the
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`reinforcement member 10 and the second door module 5.
`
`[0078] The roof portion 531, the center pillar portion 532 and the belt line portion 533 of
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`the second door module 5 may be each provided with a thick boss 56 for inserting the
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`reinforcement member 10, and the reinforcement member 10 may be inserted in a form of
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`penetrating the boss 56 substantially at the center.
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`[007 9] On the other hand, instead of the reinforcement member 10 of a circular pipe
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`shape, it is possible to insert the reinforcement member 110 of the core-shape of Carbon
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`Fiber Reinforced Plastics (CFRP) material mold with the second door module 5, as shown
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`in FIG. 10 and FIG. 11.
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`[0080] For convenience in explanation and accurate definition in the appended claims,
`3')
`LL
`3')
`L:
`3')
`LL'
`3')
`LL
`3')
`(L
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`the terms “upper”, “lower , 1nner , outer ,
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`up”, “down , upper”, “lower , upwards”,
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`DBl/ 99589707.1
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`10
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