Patent Publication Number: US-2020291711-A1

Title: Rail adjuster system and method for window regulator systems

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
     This application claims priority from the benefit of the filing date of U.S. Provisional Patent Application no. 62/818,381 filed on Mar. 14, 2019, entitled “RAIL ADJUSTER SYSTEM AND METHOD FOR WINDOW REGULATOR SYSTEMS”, the contents of which are herein incorporated by reference. 
    
    
     FIELD 
     The present disclosure relates to window regulator systems. 
     BACKGROUND 
     Vehicle doors have windows that can be opened and closed. Within the door, there can be a window regulator assembly including a carrier panel, a motor, rails and window regulator lifter or carrier plate assembly which is driven along is respective rail by the motor with associated cabling. There can be several problems, however, with these window regulator assemblies. For example, accurate positioning of the window with respect to the other portions of the vehicle, for example a frame of the door and/or an adjacent roof, can be problematic for more complicated window glass geometries. In particular, adjustment of the window positioning once the window regulator assembly is mounted to the door can be difficult to achieve, without having to disconnect and remount of the window regulator assembly. 
     Current state of the art window regulator assemblies can require mountings to the door that do not account for adjustment of the glass to frame interface while mounted inside the vehicle. 
     SUMMARY 
     It is an object of the present invention to provide a rail adjustment system and method to obviate or mitigate at least some of the above-presented disadvantages. 
     A first aspect provided is a rail adjuster for mounting a rail of a window regulator assembly to an adjacent fixed surface of a closure panel of a vehicle, the rail adjuster comprising: a mount body for mounting to the rail, the mount body defining an adjustment axis; an adjustment body coupled to the mount body and also for connecting to the adjacent fixed surface; and an adjuster portion positioned between the adjacent fixed surface and the adjustment body, the adjuster portion providing said coupled by passing through an aperture of the adjustment body in order to engage with the mount body; wherein operation of the adjuster portion causes a change in an initial length of the rail adjuster to an adjusted length by moving the mount body relative to the adjustment body along the adjustment axis. 
     A second aspect provided is an integrated module as a window regulator assembly including: a carrier panel for mounting to a frame of a closure panel of a vehicle; at least one rail mounted to the carrier panel by one or more rail adjusters, the rail associated with a regulator carriage for coupling to a window of the closure panel, at least one of the rail adjusters having an initial length that can be adjusted to an adjusted length along an adjustment axis of the rail adjuster in order to change an adjustment angle between the rail and the frame, the at least one of the rail adjusters having: a mount body for mounting to the rail, the mount body defining the adjustment axis; an adjustment body coupled to the mount body and also for connecting to an adjacent fixed surface; and an adjuster portion positioned between the adjacent fixed surface and the adjustment body, the adjuster portion providing said coupled by passing through an aperture of the adjustment body in order to engage with the mount body; wherein operation of the adjuster portion causes the change in the initial length of the rail adjuster to the adjusted length by moving the mount body relative to the adjustment body along the adjustment axis. 
     A third aspect provided is a method for adjusting an adjustment angle between a window of a closure panel and a body of a vehicle, the method comprising the steps of: mounting a rail of a window regulator assembly to an adjacent fixed surface of the closure panel by one or more rail adjusters, the rail adjuster positioned between the rail and the adjacent fixed surface, the window coupled to the rail; and adjusting an initial length of the rail adjuster to an adjusted length in order to vary the adjustment orientation by moving the rail either towards or away from the adjacent fixed surface. 
     A fourth aspect provided is an adjuster for mounting a component adjacent a fixed surface of a closure panel of a vehicle, the adjuster comprising: a mount body for mounting to the component; an adjustment body coupled to the mount body and also for connecting to the fixed surface; and an adjuster portion coupling the mount body to the adjustment body and configured to move the mount body relative to the adjustment body along an adjustment axis. 
     A fifth aspect provided is an adjuster for mounting a component adjacent an adjacent fixed surface of a closure panel of a vehicle, the adjuster comprising: a mount body connected to the component; an adjustment body coupled to the mount body and also for connecting to the adjacent fixed surface; and an adjuster portion coupling the mount body to the adjustment body and configured to move the mount body relative to the adjustment body along an adjustment axis. 
     A sixth aspect provided is an integrated module as a window regulator assembly including a carrier panel for mounting to a frame of a closure panel of a vehicle, at least one rail connected to the carrier panel by one or more rail adjusters, the at least one rail associated with a regulator carriage for coupling to a window of the closure panel, the one or more rail adjusters having an initial length that can be adjusted to an adjusted length along an adjustment axis of the one or more rail adjusters in order to change an adjustment orientation between the rail and the frame. In a related aspect the adjustment of the orientation of the rail changes the orientation of the window relative to at least one of closure panel and the frame of the motor vehicle. In a related aspect, the closure panel may be a frameless closure panel. 
     In a seventh aspect, provided is a rail adjuster for mounting a rail of a window regulator assembly to an adjacent fixed surface of a closure panel of a vehicle, the rail adjuster including a mount body for mounting to the rail, and an adjustment body coupled to the mount body and also for connecting to the adjacent fixed surface, where the mount body is moveable relative to the adjustment body for adjusting a distance of the rail from the adjacent fixed surface. 
     In a seventh aspect, provided is a frameless closure panel assembly including a carrier panel having at least one rail adjuster for mounting at least one rail of a window regulator assembly to the carrier panel, the at least one rail adjuster including a mount body for mounting to the at least one rail, and an adjustment body coupled to the mount body and also for connecting to the carrier panel, where the mount body is moveable relative to the adjustment body for adjusting a distance of the at least one rail from the carrier panel. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The foregoing and other aspects will now be described by way of example only with reference to the attached drawings, in which: 
         FIG. 1  is a perspective view of a vehicle; 
         FIG. 1A  illustrates a frameless door assembly, in accordance with one aspect of the disclosure of the vehicle of  FIG. 1 ; 
         FIG. 2  is a further perspective view of the vehicle of  FIG. 1 ; 
         FIG. 3  is a side section view of a closure panel of the vehicle of  FIG. 2 ; 
         FIG. 4  is a component view of a window regulator system of the vehicle shown in  FIG. 1 ; 
         FIG. 5  is an alternative embodiment of the window regulator system shown in  FIG. 3 ; 
         FIG. 6  is an exploded view of a rail adjuster shown in  FIG. 3 ; 
         FIG. 7  is a section view of an assembled rail adjuster of  FIG. 6  in an initial length; 
         FIG. 8  is a section view of the assembled rail adjuster of  FIG. 6  in an adjusted length; 
         FIGS. 9   a, b, c  show views of the rail adjuster of  FIG. 3  in section view, end view, and side view respectively; 
         FIGS. 10   a, b, c  show various operational positions of the rail adjuster for adjusting an adjustment angle A of a window of the window regulator assembly of  FIG. 3 ; and 
         FIG. 11  is an example operation of the rail adjuster of  FIG. 3 . 
     
    
    
     DETAILED DESCRIPTION 
     Referring to  FIGS. 1 and 2 , shown is a vehicle  10  that includes a vehicle body  12  and at least one vehicle door  14  (also referred to as a closure panel  14 ). The vehicle door  14  includes a latch  20  that is positioned on a frame  15  of the vehicle door  14 , such that the latch  20  is releasably engageable with a striker  28  on the vehicle body  12  (e.g. including a roof of the vehicle  10 ) to releasably hold the vehicle door  14  in a closed position. The frame  15  also supports a window  13  via a window regulator assembly  30  (shown with ghosted view cutout—see  FIG. 2 —for illustrative purposes only) mounted to the frame  15 , as further described below. An outside door handle  17  is provided for opening the latch  20  (i.e. for releasing the latch  20  from the striker  28 ) to open the vehicle door  14 , as well as optionally to operate the window regulator system  30 . Further, the vehicle door  14  has an inside control  16  (e.g. door handle, window controls, etc.), with associated optional lock  119 , for operating the latch  20  and the window regulator assembly  30 , as desired. A door panel  18  is shown providing a cover (e.g. interior panel) over the window regulator assembly  30  (see  FIGS. 4 and 5 , by example) positioned between the frame  15  and the door panel  18 . 
     For vehicles  10 , the closure panel  14  can be referred to as a partition or door, typically hinged, but sometimes attached by other mechanisms such as tracks, in front of an opening which is used for entering and exiting the vehicle  10  interior by people and/or cargo. In terms of vehicles  10 , the closure panel  14  may be a driver/passenger door, a lift gate, or it may be some other kind of closure panel  14 , such as an upward-swinging vehicle door (i.e. what is sometimes referred to as a gull-wing door) or a conventional type of door that is hinged at a front-facing or back-facing edge of the door, and so allows the door to swing (or slide) away from (or towards) the opening in the body  12  of the vehicle  10 . Also contemplated are sliding door embodiments of the closure panel  14  and canopy door embodiments of the closure panel  14 , such that sliding doors can be a type of door that open by sliding horizontally or vertically, whereby the door is either mounted on, or suspended from a track that provides for a larger opening. Canopy doors are a type of door that sits on top of the vehicle  10  and lifts up in some way, to provide access for vehicle passengers via the opening (e.g. car canopy, aircraft canopy, etc.). Canopy doors can be connected (e.g. hinged at a defined pivot axis and/or connected for travel along a track) to the body  12  of the vehicle at the front, side or back of the door, as the application permits. It is recognized that the body  12  can be represented as a body panel of the vehicle  10 , a frame of the vehicle  10 , and/or a combination frame and body panel assembly, as desired. 
       FIG. 1A  illustrates the closure panel  14 , or door assembly  14  configured as a frameless door assembly, whereby the window  13  is not bounded by a frame extending from the door panel structure formed for example from outer panel  16 ′ and/or an inner panel  17 ′ such that when the window  13  is in the closed position the window  13 , including the window edge  19 ′ may be sealed against the against vehicle body  12  when the door assembly  14  is latched against vehicle body  12  or shut there against. When the window  13  is in the closed position, that is for example extending fully upwards as shown in  FIG. 1A  and  FIG. 1 , and the door assembly  14  is released from against vehicle body  12  or open, the window  13  is not bounded by a supporting frame, such that load  23 ′ applied to the window  13  may result in stress on the window regulator components, different than stresses experienced during opening and closing the window  13 ′. For example load  23 ′ may be a result of a user using the window  13  to move the closure panel  14 , or load may result when window  13  is urged against vehicle body  12 , for example against seals of the vehicle body  12  when the door is in the closed and latch position. Another example of a frameless door assembly is illustrated in commonly owned US patent application No. 20190078366, entitled “Light weight two piece frameless door module with adjustment features”, the entire contents of which are incorporated herein by reference. The teachings herein may allow for adjustment of the window upper edge  25 ′ relative to the vehicle body  12  such that when the closure panel  14  is closed against the vehicle body  12 , the window  13  the position of the window may be properly adjusted such that the stresses of the vehicle body  12  against the window  13  do not cause large deflections and/or damage and/or stress on the window regulator components, for example due to the window  13  being overly oriented inboard towards the vehicle body  12 , but rather the window  13  is oriented such that when the door  14  is in a closed position relative to the vehicle body  12  the window  13  abuts into contact with the vehicle body  12  e.g. compressible door seals sufficiently to allow a proper sealing of the glass window  13  against the vehicle body  12  e.g. against compressible seals without causing the window  13  to exert on the window regulator components damaging stress. 
     Referring to  FIG. 3 , shown is a side view of the closure panel  14  with the door panel  18  in ghosted view. The window regulator assembly  30  is mounted to the door frame  15  (or to a carrier  18   a  mounted to the door frame  1 —see  FIGS. 10   a, b, c ). A rail adjuster  6  connects rail(s)  36  directly to the frame  15  (e.g. or as the further embodiment indirectly to the frame  15  via the carrier  18   a —see  FIGS. 10   a, b, c ). As such, an angle A between the frame  15  and the rail  36  can be adjusted by operation of the rail adjuster  6 , see  FIGS. 10   a, b, c  by example, as further described below. Such angle change may be achieved by adjusting one rail adjuster  6 , for example the bottom rail adjuster  6  disposed about bottom regions or portion of the frame  15  and the rail  36  as shown in  FIG. 10 b    where the upper region of rail  36  may be caused to swivel, for example due to a deflection of the frame  15  or carrier panel  18   a  such as a material deflection of the frame  15  or carrier panel  18   a  as an example, about the coupling between the rail  36  and the frame  15  at the upper region or portion. The upper adjuster  6  may be provided in lieu as a hinged coupling for allowing such a swivel action in response to the adjustment or operation of the bottom rail adjuster  6 , or the upper adjuster  6  may be provided in lieu as a fixed coupling for allowing such a swivel action in response to the adjustment or operation of the bottom rail adjuster  6  through a deformation or deflection of the fixed coupling or the surrounding frame  15 , carrier panel  18   a,  and/or rail  36 , as examples. Such orientation changes, such as angular change, may be achieved by adjusting two or more rail adjusters  6 , as shown in  FIGS. 7 and 8 , to provide such adjustments in position of the rails  36 , for example by changing the distance of the rail  36  towards or away from the frame  15  at either or both of the adjacent top portions and bottom portions of frame  15  or carrier  18   a  and rail  36 . The mount body  1  is moveable relative to, such as towards or away, the adjustment body  2  for adjusting a distance D (e.g. L 1 , L 2 ) of the rail  36  from the adjacent fixed surface  4 , such as the frame  15  or carrier  18   a,  for providing such adjustment. As such, the rail  36  is moveable relative to the adjacent fixed surface  4  (e.g. carrier panel  18   a  or frame  15 ), such that operation of the adjuster(s)  6  provides for the variable separation distance D between the rail  36  and the adjacent fixed surface  4 . As one embodiment, the length (i.e. L 1 , L 2 ) of the adjuster  6  can be used to represent the separation distance D, as desired. As a result of the change in orientation of the rail(s)  36  relative to the frame  15  or carrier  18   a,  the orientation of the window pane  13  coupled to the rail(s)  36 , for example via the lifter plates  38 , relative to the vehicle body  12  results. In the configuration of the closure  14  as a frameless door, the orientation of the window  13  can be adjusted for adjusting the loads  23  of the window  13  against the door seals of the vehicle body  12 . 
     For example, the rail  36  can have a pair of rail adjusters  6 , one adjacent to one end  36   a  and another adjacent to another end  36   b  of the rail  36 . It is also recognized that one rail adjuster  6  can be used, or more than two, in order to adjust the angle A as desired. As can be seen in  FIG. 3  by example, adjustment of the angle A by operation of the rail adjusters  6  (i.e. once the window regulator assembly  30  is mounted to the door frame  15  or to the carrier  18   a ) provides for adjustment B in positioning of the window  13  glass (connected to the rail(s)  36 —see  FIGS. 4 and 5 ) with respect to adjacent body  12  and/or frame  15  portions of the vehicle  10 . Further, the closure panel  14  has a wet side  14   a  and a dry side  14   b,  on either side of the door frame  15  as facilitated via seals (not shown). 
     As such, it is recognized that the result of any adjustment of angle A provides for the corresponding adjustment B, which preferably provides for variable positioning of the window  13  with respect to the body  12  of the vehicle and/or the frame  15  of the closure panel  14 . It is this variable positioning capability of the rail adjuster(s)  6  that can be used to accommodate for configuration/geometrical considerations of the window  13  and/or body  12  and/or frame  15  and/or carrier panel  18   a,  in terms of ultimate fit/operation of the window  13  (by the window regulator assembly  30 ) once the window  13  is installed and adjusted for operation in the closure panel  14 . 
     Referring to  FIG. 4 , the window regulator assembly  30  is for moving the vehicle window  13  up and down, i.e. in and out of an enclosure provided between the frame  15  and the door panel  18 . The window regulator assembly  30  can include a drive motor and drive mechanism (e.g. gearing)  32  connected to a set of drive cables  34 , one or more rails  36  for mounting on the frame  15  (or on an intervening carrier panel  18   a  as desired—see  FIG. 10 a   ), a regulator carriage  38  connected to the window  13  and mounted on the rail  36  for riding along a track  40 , and one or more pulleys  42  (e.g. upper pulley and lower pulley) for effecting changes in direction of the drive cables  34 . In operation of the window regulator assembly  30 , the drive motor  32  causes movement of the drive cables  34  which in turn propels the regulator carriage  38  towards one end or the other end of the rail  36 , depending upon the rotational direction of the drive motor  32  (e.g. as controlled by the door controls  16 , 17 ). It is recognized that the rails  36  can be mounted on the carrier panel  18   a  by the rail adjusters  6  (providing an integrated rail module as the window regulator system  30 ) that is itself mounted to the frame  15  by connectors  15   a  (see  FIG. 5 ). 
     Alternatively, the rails  36  of the window regulator system  30  can be mounted directly to the frame  15  via the rail adjuster(s)  6  without the need for the intervening carrier panel  18   a,  providing for a piece-wise assembly of the window regulator system  30  directly to the frame  15 , see  FIG. 4  with the frame  15  shown in ghosted view. It is also recognized that some of the components (e.g.  32 ,  34 ,  36 ,  38 ,  42 ) of the window regulator assembly  30  can be mounted to the carrier panel  18   a  and others of the components (e.g. remaining  32 ,  34 ,  36 ,  38 ,  42 ) could be mounted directly to the frame  15  without the intervening carrier panel  18   a.  In a preferred embodiment, the window regulator assembly  30  is mounted to the carrier panel  18   a  via a pair of rail adjusters  6  (see  FIG. 10 a   ) and provided as an integrated door module for fastening as an integrated unit to the frame  15  of the closure panel  14 . 
     Referring to  FIG. 6 , shown is the rail adjuster  6  in exploded view. The rail adjuster  6  has a mount body  1  for fixedly mounting the rail adjuster  6  to the rail  36  (see  FIG. 7 ). The mount body  1  can have a bracket portion  1   b  for mounting onto the rail  36  (e.g. via mechanical fasteners, welding, adhesives, as desired). The mount body  1  defines an adjustment axis  50 , along which an adjustment body  2  is slideably mounted onto the mount body  1 , e.g. the adjustment body  2  having a tube  2   a  being received on a stem  1   a  of the mount body  1 . The adjustment body  2  has a flange portion  2   b  for mounting the rail adjuster  6  (e.g. via fasteners  5 ) to an adjacent fixed surface  4  (e.g. the frame  15  or the carrier  18   b  panel). 
     Alternatively, the adjacent fixed surface  4  can be the rail  36  and the mount body  1  can be used to attach the adjuster  6  to the carrier panel  18   a  (or the frame  15 ), as desired. 
     Alternatively, the rail adjuster  6  can be used for mounting a component (e.g. a first component such as a rail  36 , a carrier panel  18   a,  a frame  15 , etc.) adjacent an adjacent fixed surface  4  (e.g. a second component opposite to and complimentary to the first component such as a carrier panel  18   a,  a rail  36  or a frame  15 ) of a closure panel  14  of a vehicle  10 , the rail adjuster  6  comprising: a mount body  1  connected to the component (e.g. rail  36 ); an adjustment body  2  coupled to the mount body  1  and also for connecting to the adjacent fixed surface (e.g. the carrier panel  18   a ); and an adjuster portion  3  coupling the mount body  1  to the adjustment body  2  and configured to move the mount body  1  relative to the adjustment body  2  along an adjustment axis  50 . 
     Further, the adjustment body  2  can be integrally formed with the adjacent surface  4 , for example in an embodiment where the adjacent fixed surface  4  is the carrier panel  18   a  formed from a plastic material injected into a mould, wherein the mould may include features to shape the adjustment body  2 . In this manner, fasteners  5  would not be needed to connect the adjustment body  2  to the adjacent fixed surface  4 . The carrier panel  18   a  includes a dry surface or dry side facing the dry side  14   b,  and an opposite wet side or wet surface facing the wet side  14   a  when installed with the closure  14 . In a possible configuration, the adjuster portion  6  includes an interface accessible on the dry side of the carrier  18   a  for operating the adjuster portion  6 . The interface may be accessible through an opening provided in the inner panel  17 ′ after the carrier  18   a  has been mounted to the inner panel  17 ′. Such an interface may be for example the head  3   f  of the adjuster portion  3  which may include a tool engaging portion  3   g  as described herein, or may be a knob directly manipulated by the fingers of a human or robotic installer. 
     The rail adjuster  6  also has an adjuster portion  3  (e.g. threaded fastener) for coupling the mount body  1  to the adjustment body  2 , such that operation of the adjuster portion  3  causes the adjustment body  2  to be variably positioned along the adjustment axis  50  (e.g. operation of the adjuster portion  3  causes the adjustment body  2  to be displaced along the adjustment axis  50  relative to the mount body  1 ). As an example embodiment of the adjuster portion  3 , as a threaded fastener, the stem  1   a  has threads  1   c  that engage with threads  3   c  of the adjuster portion  3 . The adjustment body  2  can have an aperture  2   c  though which the adjuster portion  3  can be received/inserted, so as to engage the threads  3   c  with the threads  1   c,  for example. The aperature  2   c  may be sealed, for example by used of a gasket disposed between the head  3   f  and a surface of the adjacent fixed surface  4 . As such, the adjuster portion  3  is used to couple the adjustment body  2  with the mount body  1  along the adjustment axis  50 . As a further embodiment, the adjuster portion  3  can have one or more tabs  3   d  (e.g. teeth) about a periphery  3   e  of a head  3   f,  which can engage with a resilient element  2   d  of the adjustment body  2 , thereby providing for a locking mechanism for fixing a selected position of the adjustment body  2  along the adjustment axis  50 . The locking mechanism may be self-locking, that is upon adjustment of the adjuster  6 , no further action is required to lock the adjustment body  2  in a position relative to the mount body  1 , and any input load e.g. along the adjustment axis applied to one of the adjustment body  2  or the mount body  1  may not cause the locked state of the adjuster to change to prevent the distance between the rail  36  and frame  15  or carrier panel  18   a  to remain fixed. In another or combined configuration, the screw angles of the first threads ( 3   c ) with the second threads ( 1   c ) may be self-locking, for example non-backdriveable, which may operate in conjunction with the locking mechanism consisting of the tabs  3   d.  In one possible configuration, the self-locking configuration of the threads  3   c,    1   c  may only be provided. 
     Referring again to  FIG. 6 , the head  3   f  can be positioned and retained between the flange portion  2   b  and the adjacent fixed surface  4 , once the adjacent fixed surface  4  is connected (or otherwise formed) to the adjustment body  2  via the flange portion  2   b  (e.g. using the fasteners  5 ). For example, the head  3   f  can be received within a receptacle  2   f  of the adjustment body  2 . Further, the head  3   f  of the adjuster portion  3  can have a tool engaging portion  3   g  (e.g. hex-shaped receptacle as shown, or other embodiment not shown—hex head, screwdriver slot, etc.), which is accessed via an aperture  52  in the adjacent fixed surface  4  of the closure panel  14 . Tool engaging portion  3   g  may be accessible from the dry side  14   b,  e.g. between the frame  15  and the door panel  18 , facilitating easy maintenance and adjustment subsequent to carrier  18   a  being installed to the closure panel  14 , in accordance with one example. 
     Referring to  FIG. 7 , shown is a cross sectional view of an assembled rail adjuster  6 . As shown in  FIG. 7  by example, engagement of the tool engaging portion  3   g  with a tool  54  can be done by an installer in order to change the position of the adjustment body  2  with respect to the mount body  1 . For example, rotation of the adjuster portion  3  by rotation of the tool  54  about the adjustment axis  50 , in one direction, can cause relative movement of the mount body  1  away from the adjustment body  2  (see  FIG. 8 ) and thus change the adjustment angle A, see  FIGS. 10   a, b, c,  of the rail  36  with respect to the frame  15  and/or the body  12 . It is appreciated that rotation of the adjuster portion  3  by rotation of the tool  54  about the adjustment axis  50 , in the other direction (opposite to the one direction), can cause relative movement of the mount body  1  towards the adjustment body  2  (see  FIG. 8 ) and thus change the orientation, for example the adjustment angle A, see  FIGS. 10   a, b, c , of the rail  36  with respect to the frame  15  and/or the body  12 . 
       FIG. 9 a    shows a section view of the rail adjuster  6  using a section A-A of  FIG. 9 b   .  FIG. 9 c    shows a side view of the rail adjuster  6  once assembled. 
     Referring to  FIG. 10 a   , shown is an example assembly of the rail  36  (of the window regulator assembly  30 —see  FIG. 4 ) to the frame  15  of the closure panel  14 , for example via the carrier  18   a.  The rail  36  is mounted to the carrier  18   a  (one version of the adjacent fixed surface  4  of the closure panel  14 ) at the one end  36   a  by a first rail adjuster  6  and at the other end  36   b  by a second rail adjuster  6 , thus providing an initial length L 1  of the rail adjuster  6 , such that the pair of rail adjusters  6  are spaced apart from one another laterally to the adjustment axes  50 . 
     In  FIG. 10 b   , upon operation of the second rail adjuster  6  (via the tool  54 ), causes the mount body  1  to move away from (relatively) the adjustment body  2 , thus changing the initial length L 1  to an adjusted length L 2  resulting in adjusting the adjustment angle A of the window  13  with respect to the frame  15 , which in this case moves the one end  36   a  to move closer to the frame  15 . With the rail adjuster  6  having a length L 1 , the rail  36  is at a first distance away from the frame  15  or carrier panel  18   a.    
     Alternatively, or in addition, as shown in  FIG. 10 c   , upon operation of the first rail adjuster  6  (via the tool  54 ), causes the mount body  1  to move away from (relatively) the adjustment body  2 , thus changing the initial length L 1  to the adjusted length L 2  resulting in adjusting the adjustment angle A of the window  13  with respect to the frame  15 , which in this case cases the other end  36   b  to move closer to the frame  15 . With the rail adjuster  6  having a length L 2 , the rail  36  is at a second distance away from the frame  15  or carrier panel  18   a  which shown in comparison between  FIGS. 10 a  and 10 b    the second distance is greater than the first distance. It is also recognized that the initial length L 1  can be greater than the adjusted length L 2 . 
     Referring to  FIG. 11 , shown is a method  100  of operation of the rail adjuster(s)  6 . At step  102 , the rail of the window regulator assembly  30  is mounted to the fixed adjacent surface  4  (e.g. the frame  15  and/or the carrier  18   a ) by one or more rail adjusters  6 . At step  104 , the initial length L 1  of the rail adjuster  6  can be adjusted to the adjusted length L 2  in order to move the rail  36  (and attached window  13 ) either away from or towards the adjacent fixe surface  4 . 
     While the above description constitutes a plurality of embodiments, it will be appreciated that the present disclosure is susceptible to further modification and change without departing from the fair meaning of the accompanying claims.