Abstract:
A motorized foldable bicycle assembly arranged to be collapsible from an elongated four-sectioned segmented frame arrangement with a set of electronically controlled motorized front and rear wheels spaced longitudinally apart on the elongated frame arrangement. The front wheel and the rear wheel are arranged in an aligned, side-by-side adjacent configuration with a steering column supported handlebar arrangement correspondingly collapsed in a skewed or misaligned orientation in a space between the side-by-side wheels when folded upin an unridable configuration. The segmented frame arrangement generally forms a “M” configuration in the bicycle&#39;s folded and collapsed configuration.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    1. Field of the Invention 
         [0002]    The present invention relates to motorized bicycles and more particularly to a compactly foldable motorized bicycle, and is based upon Provisional Application 62/123,292, filed Nov. 13, 2014, and is incorporated herein by reference. 
         [0003]    2. Discussion of Prior Art 
         [0004]    Bicycles have reducable in size by various means of removing detachable wheels or by folding them in half at mid-frame. Theses bicycles are still large when reduced in size, and are not motorizably movable in their smaller folded configuration. 
         [0005]    It is an object of the present invention to provide a foldable motorized bicycle which overcomes the disadvantages of the prior art. 
         [0006]    It is an object of the present invention to provide an easily foldable, both heightwise and lengthwise which foldable motorized bicycle which is truly compact and motorizably functional in its folded form. 
       BRIEF SUMMARY OF THE PRESENT INVENTION 
       [0007]    The foldable motorized bicycle of the present invention has a four-sectioned elongated frame comprising a one-sided rearwheel support frame hingedly attached at a front end thereof to an elongated mid-frame. The rear wheel support frame is attached to the mid-frame by a unique “slide plate” third or rearmost hinge. The elongated mid-frame is attached to an elongated front frame by a second or mid-frame “slide-plate” hinge. 
         [0008]    The elongated front frame is connectively attached to a curvilinear steering column support frame by a first or front slide-plate hinge. The curvilinear steering column forwarrd support frame has an uppermost end with a steering column support bearing therearound. The steering column has a lower end portion which is enclosed within the steering column support bearing. The steering column lower end prtion has its lower end secured to a one-sided front wheel support frame. The one sided front wheel support frame rotatably secures a motorized front wheel drive and braking arrangement. The steering column has an upper end with a pair of handlebars pivotably arranged in a handlebar pivot housing. The generally vertical steering column has a steering column hinge which is angularly arranged with respect to the longitudinal axis of the steering column to permit the upper end of the steering column to be folded about the steering column hinge at an acute angel to be non-parallel when folded downwardly and to the side of the steering column support frame. 
         [0009]    A pair of foot rest plates are arranged on the top of the first frame. The foot rest plates have a longitudinal hinge therebetween so as to permit the pair of foot rest plates to be folded compactly upwardly and arranged parallel and vertically to one another, out of when it is desired to put the motorized foldable bicycle into a collapsed configuration. 
         [0010]    The folded configuration with the one-sided rear wheel support frame, the mid frame, the front frame, and the steering column forward support frame, may with a little consideration, constitute the lineage of a capitol “M” when viewed as a plan view as may be seen in  FIG. 24 , the three frame hinges comprising the “connected” points of the M. 
         [0011]    The one-sided rear wheel support frame may be seen as arranged on the right-hand side of the rear wheel. The saddle is shown disposed over a battery housing arrangement. The second or mid-frame hinge is shown just rearwardly of the foldable foot rest plates. The one-sided front wheel support frame is shown directed towards the right-hand side of the front wheel. 
         [0012]    The steering column holding the pair of handlebars has with a steering column hinge arranged at a slight angle with respect to the longitudinal axis of the steering column. The mid-frame and the front frame are shown connected by the second or mid-hinge, and the one-sided rearwheel support frame is shown connected to the mid-frame by the third or rear hinge. The first or front hinge is connected to the steering column forward support frame. The foldable motorized bicycle has a kickstand movable downwardly. The saddle or seat is held by a telescoping seat column whose length is adjustable. 
         [0013]    The foldable motorized bicycle with the steering column hinge has a pivot axis arranged at an acute angle with respect to the longitudinal axis of the steering column, so as to permit the folding of the steering column downwardly, falling snugly and non-parallel to the lower portion of the steering column, to one side of the bicycle in its collapsed orientation. 
         [0014]    The foldable motorized bicycle has a first or front hinge member and a third or rear hinge member, each with a slidable securement pin engagement plate disposed thereon. The second or mid-frame hinge is displayable on the opposite side of that displayed with the rear and front hinges. The slidable securement pin engagement plate is biased upwardly from the hinge body by a biasing member or spring arrangement therebetween. A plurality of securement pins extend sideways outwardly of the hinge body, as may be seen in co-pending U.S. Patent Application Applic. No. 62/125,738, and incorporated herein by reference. A securable cammed hinge release handle is disposed atop an upper edge of the slidable securement pin engagement plate so as to permit engagement or release of the securement pins from within a corresponding number of angled pin engagement slots in the engagement plate. 180° movement of the cammed hinge release handle moves the slidable securement pin engagement plate into or out of secure engagement with those engagement pins, which when disengaged, permits the connected frame portions to be opened and folded into parallel alignment with one another thus forming the characterized “M” configuration of those frame members. 
         [0015]    The foldable motorized bicycle has its rear wheel support frame, the mid-frame, the front frame and the steering column support frame folded generally linear and parallel to one another each secured by their respective slide plate hinge. The right one of the handlebars may be swiveled or a pivoted downwardly orientation from its proximal handlebar housing arranged at the upper end of the steering column. 
         [0016]    The slide plate hinges representing the first or front hinge and the third or rear hinge may be arranged in a fully opened and planar configuration, connected by their respective hinge pins. A cable pass-through is arranged in each half body portion of each respective slide plate hinge. Pins extend off of the side of one half of the third or rear hinge when that hinge is in it&#39;s opened orientation. 
         [0017]    The first or front hinge and the third or rear hinge are readily displayable with their respective slide plates completely disengaged on the respective hinge portions from the pins on the corresponding hinge portion thereadjacent. The steering column may be folded downwardly and to the side and out of longitudinal alignment with that portion of the steering column beneath the steering column hinge, so as to enable maximum collapseability of the folded configuration of the foldable motorized bicycle. The folded four hinge plates may be in tight side-by-side positioning, when in a full open configuration of the first or front hinge and the third or rear hinge with their respective cammed hinge release handles in a securement pin engagement plate release orientation. 
         [0018]    Thus what has been shown is a unique framed construction of a motorized two wheeled bicycle, each wheel being motorized wherein such two wheels are connected by a four-sectioned series of elongated or curvilinear frame members with a unique hinge member therebetween. Such bicycle being maximally foldable or vertically collapsible by the addition of an offset steering column collapse arrangement. 
         [0019]    The invention thus comprises a motorized foldable bicycle assembly arranged to be collapsible from an elongated segmented frame arrangement with a set of electronically controlled motorized front and rear wheels spaced longitudinally apart on the elongated frame arrangement with the front wheel and the rear wheel arranged in an aligned, side-by-side adjacent configuration with a steering column supported handlebar arrangement correspondingly collapsed in a skewed or misaligned orientation in a space between the side-by-side wheels; and wherein the segmented frame arrangement forms a generally “M” shaped configuration in the bicycle&#39;s folded and collapsed configuration, with the apexs of the M thereof being comprised of the hinge pins. One rear portion of the frame assembly being slightly curved to accommodate the width educing features of the folded up bicycle assembly. The steering column preferably has a lockable/unlockable hinge near a mid-point thereof, the hinge having a hinge pin arranged at an acute angle with respect to the longitudinal axis of the steering colomn, to enable the skewed orientation of the steering column and handlebars in the bicycle&#39;s folded and collapsed configuration. The elongated segmented frame arrangement is defined by a plurality of linear frame portions interconnected by lockable/unlockable control conduit passage facilitating hinges. The handlebar arrangement is attached to the steering column by a handlebar pivot-enabling connection housing. The handlebars are foldable in an upward direction with respect to the steering column folded in its collapsed downward direction. The front wheel is connected to the elongated frame by a one-sided front wheel support frame. The rear wheel is connected to the elongated frame by a one-sided rear wheel support frame. The front wheel support frame and the rear wheel support frame are both arranged on the right side of the foldable bicycle in the bicycle&#39;s operable ridable orientation, to minimize width of the bicycle in its folded unridable configuration. The front wheel support frame and the rear wheel support frame are both arranged on the inner side of the foldable bicycle, side-by-side one another in the bicycle&#39;s folded, unridable configuration. 
         [0020]    The invention also includes a method of folding a motorized foldable bicycle assembly into a compact, minimized, unridable configuration from an elongated ridable configuration comprises one or more of the steps of: arranging a set of frame segments in a linear arrangement each connected by a lockable/unlockable hinge connected between adjacent frame segments; connecting a one sided front wheel support frame to a motorized front wheel, which one sided front wheel support frame has an elongated foldable steering column connected thereto, the foldable steering column having a longitudinal axis with a pair of foldable handle bars each pivotally connected to a handle bar housing at an upper end thereof; connecting a one sided rear wheel support frame segment to a motorized rear wheel; and unlocking each lockable/unlockable hinge between adjacent frame segments and folding those frame segments into a generally “M” shaped orientation; pivoting downwardly each handlebar at the handlebar housing into close proximity to the elongated steering column; folding downwardly the foldable steering column about a hinge pin on a hinge arranged at a mid-point on the steering column, wherein the hinge pin on the hinge arranged at a mid-point on the steering column is disposed at an acute angle with respect to the longitudinal axxis of the steering column, wherein a pair of foot rest plates are hingedly attached to a mid-frame located frame segment, wherein the one sided front wheel support frame and the one sided rear wheel support frame are in side by side relationship in the folded configuration of the foldable bicycle, wherein each lockable/unlockable hinge are cam actuated to enable the change of the hinge configuration from a locked configuration enabling linearly aligned series of frame segments to an unlocked and open hinge configuration enabling the frame segments to be folded into a side by side generally “M” like configuration, wherein the one sided rear wheel support frame segment and the one sided front wheel support frame are arranged on the same right side of the bicycle in its ridable configuration, wherein the one sided rear wheel support frame segment and the one sided front wheel support frame are in side by side relationship when the bicycle is folded up and in its unridable configuration. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0021]    The objects and advantages of the present invention will become apparent when viewed in conjunction with the following drawings, in which: 
           [0022]      FIG. 1  is a side view (unfolded) of the right-hand side of the motorized foldable bicycle constructed according to the principles of the present invention; 
           [0023]      FIG. 2  is a top view of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0024]      FIG. 3  is a bottom view of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0025]      FIG. 4  is a rear view of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0026]      FIG. 5  is a front view of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0027]      FIG. 6  is a side view of the left-hand side of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0028]      FIG. 7  is a perspective view taken from the front left side of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0029]      FIG. 8  is a further perspective view taken from the front left side of the motorized foldable bicycle shown in  FIG. 1 ; 
           [0030]      FIG. 9  is a view of the motorized foldable bicycle taken from the front, showing the frame of the bicycle in a partially collapsed configuration; 
           [0031]      FIG. 10  is a side view of the partially collapsed motorized foldable bicycle shown in  FIG. 9 ; 
           [0032]      FIG. 11  is a view of the motorized foldable bicycle taken from the front, showing the frame of the bicycle in a partially collapsed configuration; 
           [0033]      FIG. 12  is a side view of the partially collapsed motorized foldable bicycle as shown in  FIG. 11 ; 
           [0034]      FIG. 13  is a perspective view taken from the left front of the partially collapsed motorized foldable bicycle shown in  FIG. 12 ; 
           [0035]      FIG. 14  is a perspective view taken from the right front of the partially collapsed motorized foldable bicycle shown in  FIG. 12 ; 
           [0036]      FIG. 15  is a perspective view taken from the left front of the partially collapsed motorized foldable bicycle shown in  FIG. 12 ; 
           [0037]      FIG. 16  is a view taken from the front and of a fully collapsed motorized foldable bicycle that shown in  FIG. 1 ; 
           [0038]      FIG. 17  is a side view taken from the right side of the fully collapsed motorized bicycle shown in  FIG. 16 ; 
           [0039]      FIG. 18  is an end view taken from the rear of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0040]      FIG. 19  is a side view taken from the left side of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0041]      FIG. 20  is a perspective view taken from the left rear of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0042]      FIG. 21  is a top or plan view of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0043]      FIG. 22  is a perspective view taken from the right front side of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0044]      FIG. 23  is a perspective view taken from the left front side of the fully collapsed motorized bicycle shown in  FIG. 17 ; 
           [0045]      FIG. 24  is a bottom view of the collapsed motorized bicycle with one handlebar directed outwardly, and the frame members defining the folded frame in its “M” configuration; and 
           [0046]      FIG. 25  is a top view of a partially collapsed bowdlerized bicycle is represented in  FIG. 15 . 
       
    
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS 
       [0047]    Referring now to the drawings in detail, and particularly to  FIG. 1 , there is shown in a right-hand side view a foldable motorized bicycle  10  of the present invention (in its unfolded configuration). For purposes of representation the saddle or seat  12  shown on a telescoping seat column  14  shall have the forward end  16  of the seat  12  directed towards the front end FE of the bicycle  10 , particularly appropos when it&#39;s described in it&#39;s foldable or collapsed configuration, as shown in the following figures and further described hereinbelow. 
         [0048]    The foldable motorized bicycle  10  of the present invention has an elongated hingedly interconnected, multi-linked, multi-foldable, segmented frame  20 , best viewed in its open and elongated form in  FIGS. 1 and 6 , the elongated hingedly lockably and unlockably interconnected, four sectioned, multi-linked, multi-folded frame  20  comprising a bicycle width-reducing one-sided rearwheel support frame  22  hingedly attached at a front end  24  thereof to an elongated mid-frame  26 , by a lockable and unlockable hinge  28  arranged therebetween. The rear wheel suppport frame  22  supports an individually electrically empowered, computer controlled motorized rear drive wheel  30 . The rear wheel support frame  22  is attached to the mid-frame  26  by a unique “slide plate” third or rearmost lockable and unlockable multi-finger-engaging torque-minimizing hinge  28 . The elongated mid-frame  26  is attached at its front end  32 , to an elongated front frame  36  by a second or mid-frame “slide-plate” lockable and unlockable multi-finger-engaging torque-minimizing hinge  38 , as may be seen in  FIGS. 1 through 3, 6 , in a locked configuration and in an open configuration, in  FIGS. 9, 14, 16, 22, 23 and 24 . The slide plate lockable and unlockable, multi-finger-engaging, torque-minimizing hinges  28  and  38  may be seen more specifically in U.S. Provisional Patent Application No. 62/125,738, filed Jan. 1, 2015 and U.S. Design Patent Application No. 29/474,755, filed Jan. 28, 2015, each incorporated herein by reference in their entirety. 
         [0049]    The elongated front frame  36  is connectively attached to an elongated steering column forward support frame  42 , of curved shape as shown in  FIGS. 1 and 6 , (and linear as viewed in  FIG. 2 ) by a first or front slide-plate lockable and unlockable multi-finger-engaging, torque-minimizing hinge  44 . The steering column forward support frame  42  has a forwardmost and uppermost end  46  with a steering column support bearing  48  therearound as shown in  FIGS. 1, 6, 7, 8 and 9 . The steering column  50  has a lower end portion which is enclosed within the steering column support bearing  48  as best seen in  FIGS. 1 and 6 . The steering column  50  has a lower end  52  which is secured to a bicycle width-reducing one-sided front wheel support frame  54 , supporting front wheel  33 , as may be seen in  FIGS. 1, 5, and 6 , and  11 . The bicycle width-reducing one-sided front wheel support frame  54  rotatably secures an individually motorized, computer controlled, front wheel drive and braking arrangement  56 . The one-sided front wheel support frame  54  and the one-sided rear wheel support frame  22  support their resspective wheels  33  and  30  from the right hand side of the bicycle  10 , thus enabling the unique folding of the elongated frame  20  while minimizing its width with those front wheel and rear wheel support frames  22  and  54  facing one another when they are in their folded/collapsed orientation as represented, particuarly as shown in  FIGS. 24 and 25 , without any wheel support members on the outer side of the folded motorized bicycle  10 . 
         [0050]    The steering column  50  has an upper end  58  with a pair of handlebars  60  and  62 , with their bicycle hand controls  61  shown distally thereon, each handlebar  60  and  62  pivotable downwardly, as represented by arrow “D” in  FIG. 9 , in a handle lockable handlebar pivot housing  64  as best represented in  FIG. 9  and  FIGS. 11, 12, 14, 15  and fully pivoted into close proximity to column  50 , and shown in stages toward fully folded downwardly, in  FIGS. 16-25 . With the steering colomn  50  in an off-to-the-side (non-parallel) orientation as represented in  FIG. 16 , the handlebars  60  and  62 , are still properly connected to their motorized wheel adjacent throttle and braking mechanisms  56 , are directed upwardly, at an oblique angle, snugly adjacent the steering colomn  50 , as again shown in  FIG. 16 . As noted, the steering column  50  has its lockable/releasable steering column hinge  68  (preferably multi-finger-engaging) angularly arranged with respect to the longitudinal axis “L” of the steering column  50 , to permit the upper end of the steering column  58  to be folded about the diagonally disposed hinge pin  67  on the front side of the steering column hinge  68  and thus remain widthwise reduced on the front wheel support-frame-free side of the steering column support frame  42 , as represented in  FIGS. 16, 17, 18, 19, 20, 21   22 ,  23  and  24 , showing the fully collapsed bicycle  10  in its most minnimal folded configuration. 
         [0051]    A pair of foot rest plates  70  and  72  are arranged on the top of the first or front frame  36 , as seen in an edge view in  FIG. 1 , and in a plan view in  FIG. 2  and in a bottom view in  FIG. 3 , connected to the top of the front frame  36  with a hinge arrangement  74 . The foot rest plates  70  and  72  have the longitudinal hinge  74  therebetween so as to permit the pair of foot rest plates  70  and  72  to both be folded vertically upwardly and parallel and adjacent one another when it is desired to put the motorized foldable bicycle  10  into a collapsed configuration, as may be seen in a stepped series best appreciated as seen in  FIG. 8 ,  FIG. 9 ,  FIG. 11 ,  FIG. 14 ,  FIG. 16 ,  FIG. 18 ,  FIG. 20   FIG. 23  and  FIG. 25 . 
         [0052]    As may be visualized from bottom-lookin-up view in  FIG. 24 , the folded configuration with the one-sided rearwheel support frame  22 , the mid frame  26 , the front frame  36 , and the steering column support frame  42 , may with a little consideration, constitute portions of a capital “M” with the respective lockable hinges  44 ,  38  and  28  functioning as the respective apexes on the “M”, thus foreshortening the elongated four-sectioned frame  20  by a buckling or folding onto itself multiple times. Thus the conversion from a linear frame  20 , as viewed in plan format, into an “M” configuration minimizes length of the folded bicycle  10 , and wherein the one-sided rear wheel support frame  22  and the one-sided front wheel support frame  54  being positioned on their respective inner sides of their wheels  30  and  33  respectively thus support their wheels  30  and  33  while effectively minimizing the width of the bicycle  10  when in its folded configuration. The rear hinge  44  and the front hinge  28  being envisioned as the apex points on the upper sides of the “M”, and the mid frame hinge  38  envisionable as the middle apex of the “M” represented in  FIG. 24 . The forward support frame  42 , the front frame  36  and the mid frame  26  being parallel to one another when viewed as in theeir vertical planes, the rear wheel support frame  22 , being slightly curved, thus displaying a generally M shape in a bottom view (see  FIG. 24 ). 
         [0053]      FIG. 2  represents a top plan view of the foldable motorized bicycle  10  shown in  FIG. 1 . The one-sided rearwheel support frame  22  may be seen as arranged on the right-hand side of the rear wheel  30 , which is covered by a rear fender  86 . The saddle  12  is shown disposed over a battery housing and computer control arrangement  88 . The second or mid-frame lockable hinge  38  is shown just rearwardly of the foldable foot rest plates  70  and  72 . The one-sided front wheel support frame  54  is shown directed towards the right-hand side of the front wheel  33 , partially covered by a front wheel fender  90 . 
         [0054]    The steering column  50  holding the pair of handlebars  60  and  62 , is shown with a steering column hinge  68  at a slight angle of about 30 degrees with respect to the longitudinal axis “L” of the steering column  50 , as may be seen in  FIG. 5 . The hinge pin  67  is diagonally arranged on the front side of the hinge  68 , thus enabling the steering column  50  to be skewably folded downwardly to its right, as may be seen in  FIG. 16 , also with its associated handlebars  62  and  60  pivoted inwardly toward the steering column  50 , and nestled between the respective front and rear wheels  33  and  30 , as shown in  FIG. 16 . 
         [0055]    A bottom view of the foldable motorized bicycle  10  is shown in  FIG. 3  and a plan view of the foldable motorized bicycle  10  is shown in  FIG. 2 . The mid-frame  20  and the front frame  36  are shown connected by the lockable second or mid-hinge  38  and the one-sided rear wheel support frame  22  is shown connected to the mid-frame  26  by the third or rear lockable hinge  28 . One-sided rear wheel support frame  22  and the one sided front wheel support frame  54  each suppport their electrically empowered wheels  30  and  33  respectively, from the same or right hand side of the bicycle  10  so as to minimize width diminsions thereof when the bicycle  10  is fully folded up, as may be appreciated in  FIGS. 16, 18, 22 and 23 . Note also that the first or front lockable hinge  44  is shown in  FIG. 3 , from the bottom, as connected to the steering column support frame  42 .  FIG. 4  shows the foldable motorized bicycle from the rear thereof with its kickstand  100  disposed downwardly. The saddle or seat  12  is held by a telescoping seat column  14 , whose length is adjustable, is best shown in  FIGS. 1 and 6 . 
         [0056]    Viewing  FIG. 5 , there is best represented a front view of the foldable motorized bicycle  10  with the steering column lockable/releasable hinge  68  having a hinge pin  67  defining the pivot axis “X” which is arranged at an acute angle of about 60 degrees with respect to the longitudinal axis “L” of the steering column  50 , so as to enable the folding of the steering column  50  downwardly and snugly to one side and non-parallel to the lower portion of the steering column  52  of the bicycle  10 , as shown in  FIG. 16 , with the steering column  50  directed downwardly and the handlebars  60  and  62  in close snug alignment with the steering column  50  when the bicycle  10  is in its collapsed or folded orientation. 
         [0057]    The representation shown in  FIG. 6  displays the left side view of the foldable motorized bicycle  10  showing the first or front lockable hinge member  44  and the third or rear lockable hinge member  28 , each with a slidable securement pin engagement plate  102  disposed thereon. The second or mid-frame lockable hinge  38  is likewise shown in  FIG. 6  from the opposite side of that shown of the rear and front lockable hinges  44  and  28  respectively. The slidable securement pin engagement plate  102  is biased upwardly from the body frame of each lockable hinge  28 ,  38  and  44 , by a biasing member or spring arrangement  104  therebetween, as may be seen in  FIGS. 16 and 17 , and also more definitively viewed in the aforementioned applications: U.S. Provisional Patent Application No. 62/125,738, filed Jan. 29, 2015 and U.S. Design Patent Application No. 29/474,755, filed Jan. 28, 2015, each again incorporated herein by reference in their entirety. 
         [0058]    As may be seen in  FIG. 6 , plurality of securement pins  106  extend sideways outwardly of a first pivotable side the body of the lockable hinge  28  and  44 , and in lockable hinge  38 , shown in  FIG. 1 . A securable cammed hinge release handle  108  is disposed atop an upper edge of the slidable securement pin engagement plate  102  arranged on the second or other side of the lockable hinge so as to permit engagement or release of the securement pins  106  on the first side of the body of the (each) lockable hinge  28 / 32 / 44  from within a corresponding number of angled pin engagement slots  110  on the body of the slidable engagement plate  110  secured to the outer edge of the second side, of the (each) lockable hinges  28 / 38 / 44 , as may be seen in  FIGS. 1 and 6 . 180° movement of the cammed hinge release handle  108  moves the slidable securement pin engagement plate  102  into or out of secure engagement with those engagement pins  106 , which when disengaged, permits the hingedly connected frame portions to be opened and folded into a common plane, as may be visualized by hinge  44  shown in  FIG. 9 , and also in folded-open, common-plane-parallel alignment with one another, as represented in  FIG. 16 , thus enabling the characterized “M” configuration of those bicycle frame members  22 ,  26 ,  36  and  42 , as may be visualized from  FIG. 24 . 
         [0059]    Further, each lockable hinge  28 ,  36  and  44  have a conduit port  112  and  114  respectively on each side of their body portions of such lockable hinge  28 ,  36  and  44 . Such ports  112  and  114  in each leaf of the hinges enables electrical and control cables to extend therethrough, (not shown for clarity of the figures). 
         [0060]    The foldable motorized bicycle  10  is represented in  FIGS. 7 and 8 , from a perspective view of its front left side.  FIG. 9  shows the foldable motorized bicycle  10  with its rear wheel support frame  22 , the mid-frame  26 , the front frame  36  and the steering column support frame  42  folded generally parallel to one another each secured by their respective slide plate hinges.  FIG. 9  also represents the right one  62  of the handlebars  60 / 62  in a swiveled or a pivoted downwardly orientation from its proximal handlebar housing  64  arranged at the upper end  58  of the steering column  50 .  FIG. 10  represents from the right side of the partially collapsed foldable bicycle  10  which is represented otherwise in  FIG. 9 .  FIG. 11  represents from the rearview, the partially collapsed foldable bicycle shown in  FIGS. 9 and 10 . Only the left handlebar  60  has been folded down at this point. The slide plate hinges representing the first or front lockable hinge  44  and the third or rear lockable hinge  28  may be seen in a fully opened and in co-planar configuration, pivotally connected by their respective hinge pins  115 . A cable pass-through port  112  may be also seen in each half body portion of each respective slide plate hinge  44  and  28 . 
         [0061]      FIG. 12  shows in a side view the foldable motorized bicycle represented in  FIG. 11 , with the seat support column  14  fully telescoped downwardly.  FIG. 12  also shows the pins  106  extending off of the side edge of one half of the third or rear lockable hinge  28  with that lockable hinge in its opened orientation. That configuration of the foldable motorized bicycle  10  is again represented in  FIGS. 13, 14 and 15 . The motor and brake arrangement  56  for the rear wheel  30  is readily viewable from viewing  FIG. 14 , the control conduits (not shown for clarity of the figures) for which extend through the conduit/cable pass-through ports  112  and  114  in the half-body components P 1  and P 2  of each lockable hinge  28 / 36 / 44 . 
         [0062]    The first or front lockable hinge  44  and the third or rear lockable hinge  28  are readily displayed in  FIG. 15  with their respective leafs or side plates P 1  and P 2  completely disengaged from the pins  106  on P 1  from the corresponding slots  110  on the slide plate  102  on P 2  of the lockable hinge  28 . 
         [0063]      FIG. 16  represents the steering column  50  folded downwardly and to the side and out of longitudinal alignment with that portion of the steering column  50  beneath the steering column hinge  68 , so as to enable maximum collapseability of the folded configuration of the foldable motorized bicycle  10 . Such representation is also presented in a side view in  FIGS. 17 and 19 , and as a rearview in  FIG. 18 . 
         [0064]      FIG. 20  more clearly shows the folded for plates in tight side-by-side positioning, along with a full open configuration of the first storefront hinge and the third or rear hinge with their respective cammed hinge release handles in a securement pin engagement plate release orientation.  FIGS. 16, 17, 18, 19   20 ,  21 ,  22 , and  23  showing the fully inwardly articulated motorized bicycle  10 .  FIG. 24  and  FIG. 25  showing one handle  60  in an upwardly directed orientation. 
         [0065]    Thus what has been shown is a unique framed construction of a motorized two wheeled bicycle  10 , each wheel  30  and  33  having controllable/brakable electric motor arrangements  56  wherein such two wheels  30  and  33  are connected by a series of elongated frame members  22 ,  26 ,  36  and  42  lockably in a hinged torque-limited controlled arrangement, connected to one another in a linear fashion with a unique lockable/unlockable hinge member  28 ,  36 ,  44  respectively, therebetween. Such motorized bicycle  10  being maximally foldable or collapsible by the inclusion of an angularly offset steering column  50  collapse arrangement and one-side-only wheel support frame members  22  and  54 .