Abstract:
Air traveling is a daily procedure nowadays; people need to move quickly within and around airports with their luggage. The invention, hereafter called “SkateTrolley”, is a luggage designed to be used as a standard trolley or the traveler can be transported by the luggage rather than carrying it. SkateTrolley has a platform with wheels that can be pulled out to be ridden in a skate board manner and a pull out driving stick that drives the front wheel in a scooter way while the content of the luggage remains in place. The whole design is developed to minimize weight, so the suitcase shell acts as a frame for the scooter skateboard systems. 
     SkateTrolley can be built in different sizes, one size will fit the standard carryon luggage airline requirements.

Description:
Cross-Reference to Related Applications 
       [0001]    Invention was Granted a National patent from the IRISH PATENT OFFICE on the 8 Dec. 2011, with patent Number 5.85929 after an Application filed on the 29 Jun. 2011 with Number S2011/0306 presented by the same inventor. 
       STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT 
       [0002]    Not Applicable 
       REFERENCE TO SEQUENCE LISTING, A TABLE, OR A COMPUTER PROGRAM LISTING COMPACT DISK APPENDIX 
       [0003]    Not Applicable 
       BACKGROUND OF THE INVENTION 
       [0004]    The invention relates to a bag/suitcase that can be used as a normal luggage or transformed into a skateboard and driven as a scooter while leaving the content in the suitcase. 
       Invention Solution 
       [0005]    The invention deals with the problem of a traveler carrying luggage when moving around airports, train stations or elsewhere. The invention will help the traveler to move faster and with less effort. 
       BRIEF SUMMARY OF THE INVENTION 
       [0006]    The invention, from now on called “Skate trolley”, is a luggage that can be converted into a skateboard-scooter. Skate-Trolley is built around an external frame made of carbon fiber, fiberglass, plastic, aluminum structure or any other material strong enough to hold a person weight. 
         [0007]    To this structure all items and systems are connected, in order to make Skate trolley very light there is no internal frame, but the external structure itself acts as a frame. Skate trolley has a retractable Driving Stick that steers the front wheel, a retractable platform with wheels and a door so the inside of the suitcase can be accessed to store luggage. The traveler standing on the platform can ride the luggage rather than carry it. The traveler, using the combined effect of a scooter and of skateboard steering effect, can maneuver in a small spaces with a lot of obstacles such as those found in airports. 
     
    
     
       BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS 
         [0008]    FIG.  1 —Skate-Trolley seen from the side—the picture shows the driving stick ( 4 ) in the operational position and, in dotted lines, the closed position. The standing platform ( 5 ) can be seen in the operational position and in the closed position by dotted lines. The door ( 12 ) that opens the luggage is in the closed position. A drawing of a foot and of the hands in dotted lines shows the correct position to drive skate-trolley. 
           [0009]    FIG.  2 —Skate-Trolley seen from the back—the driving stick is in the operational position and the cavity area ( 13 ) where the front part of the foot can be placed while riding is visible. The rear wheels can be seen ( 8 , 9 ) connected to the pivoting axle ( 14 ). 
           [0010]    FIG.  3 —Skate-Trolley seen from the front—the driving stick is in the operational position and the dotted line shows the closed position. The front wheel can be seen ( 1 ) connected to the driving stick ( 2 , 4 ). 
           [0011]    FIG.  4 —Skate-Trolley seen from the top—with the standing platform ( 5 ) in the operational position. 
           [0012]    FIG.  5 —Skate-Trolley seen in 3D perspective—with the driving stick ( 4 ) and the standing platform ( 5 ) in the operational position. 
           [0013]    FIG.  6 —Skate-Trolley—with the driving stick and standing platform in the operational position ridden by user. 
           [0014]    FIG.  7 —Skate-Trolley—with the driving stick in the operational position and the standing platform in the closed position pushed by the user standing on all three wheels. 
           [0015]    FIG.  8 —Skate-Trolley—with the driving stick in the operational position and the standing platform in the closed position pulled by the user standing on all three wheels. 
           [0016]    FIG.  9 —Skate-Trolley—with the driving stick in the operational position and the standing platform in the closed position pulled by the user in a trolley manner standing on just the rear wheels. 
           [0017]    FIG.  10 —Skate-Trolley—with the driving stick in the operational position and the standing platform in the closed position standing by itself on all three wheels. 
           [0018]    FIG.  11 —Skate-Trolley—with both the driving stick and the standing platform in the closed position carried by the user from the handle. 
           [0019]    FIG.  12 —Skate-Trolley—with both the driving stick and the standing platform in the closed position ready to be stowed. 
           [0020]    FIG.  13 —The front driving mechanism of Skate-Trolley. 
           [0021]    FIG.  14 —The standing platform mechanism of Skate-Trolley. 
           [0022]    FIG.  15 —The steering effect of the rear wheels. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0023]    A detailed description is presented through the explanation of the major parts of the skate-trolley. 
       The External Structure 
       [0024]    The external structure ( 18 ) of the Skate Trolley is made of any resistant and light material strong enough to hold a person weight. The external structure has the shape of a box to optimize loading and storing space. To the external structure all the following objects are attached to. 
       The Driving Stick (FIG. 13) 
       [0025]    A tube ( 103 , Tube 1 ) made of light but resistant material (aluminum, carbon-fiber, plastic etc.) is attached to the front part of the external frame. A second tube ( 102 , Tube 2 ) of the same material, slightly longer in size and of smaller diameter, is fitted inside this tube telescopically. 
         [0026]    At both ends there are circular rollers ( 108 , 110 ) so that Tube 2  can easily turn on its axis inside Tube 1 . At the bottom, underneath the roller, a fork ( 105 ) connects it to the front wheel ( 1 , 106 ). By steering this tube, the front wheel will steer. 
         [0027]    Both rollers are blocked in place by a bolt ( 107 , 111 ) screwed on Tube 2 . 
         [0028]    The driving stick ( 101 , Tube 3 ) shaped as a T, has a diameter slightly smaller of Tube 2  ( 102 ), in such a way that it can be pulled telescopically in and out from it. A pin connected to a spring fitted inside the driving stick will lock it in the operational or closed position. The user will switch from one position to the other by pressing on the pin and unlocking it (not shown in the drawings). 
       The Standing Platform (FIG. 14) 
       [0029]    Two tubes ( 131 ) Tube 4  and ( 136 ) Tube 5  made of light but resistant material (aluminum, carbon-fiber, plastic etc.) are attached to the external frame of Skate-Trolley. 
         [0030]    The standing platform ( 133 ) is connected to a U shaped lightweight tube ( 132 ) Tube 6 . 
         [0031]    This U tube is of smaller diameter of the Tube 4  and Tube 5  and it will telescopically shift in and out of them. The standing platform has a skateboard like wheel system ( 134 ) attached to it. 
         [0032]    This wheel system has as pivoting axle ( FIG. 2   14 ), connected to the two wheels ( 8 , 9 ), that can tilt in respect to the standing platform. While tilting the axle will also steer the wheels in the direction of the tilt in a skateboard manner ( FIG. 15 ). Inside Tube 6  there is a pin connected to a spring that will lock the standing platform in operational position (not shown in the drawings). The user will switch from one position to the other by pressing on the pin and unlocking it. 
       The Door 
       [0033]    The door has two hinges ( 17 ) and a locking system ( 16 ) allowing it to be opened and closed. 
       The Handle 
       [0034]    Skate-Trolley has a handle ( 15 ) attached to the external frame (by means of bolts or rivets) it so it can be carried in a standard suitcase like manner. 
       Invention Key Facts 
       [0035]    The two following points together make the invention unique and particularly effective in the field of the application. 
       The Special Turning Effect 
       [0036]    To help the user move efficiently in limited spaces, the Skate Trolley takes advantage of the combined effect of scooter and skateboard steering mechanisms. In other words, the driving stick ( 4 ) directly steers the front wheel ( 1 ) and enables the driver to steer while standing on the platform in a scooter manner. The rear wheels ( 8 , 9 ) behave in a skateboard like manner; the rear wheels axle ( 14 ) can gain an angle with respect to the platform letting the baggage tilt in respect of the ground; this consecutively will also make the rear wheels steer in the direction of the tilt and help the driver in turns. ( FIG. 15 ) 
       Skate Trolley has No Extra Scooter Frame 
       [0037]    The Skate trolley is designed in such a way that there is no internal frame connecting the wheels, the driving stick and the standing platform. In other words, the external luggage shell structure ( 18 ) itself represent the infrastructure of Skate-trolley, there is no need for a separate and heavy structure such as a scooter frame. 
         [0038]    This is achieved by building an external structure ( FIG. 13  and  FIG. 14 ) that has a tube shaped hollow area where the Tube 1  ( 103 ), Tube 4  ( 131 ) and Tube 5  ( 136 ) perfectly fit and are glued and blocked. The driving stick and the platform are connected to these tubes by means of telescopical solutions. 
         [0039]    This design solution is key for the invention; it allows the Skate-Trolley to be very light and at the same time maximizes the space for the luggage inside the baggage. 
       Similar Projects 
       [0040]    Follows a list of similar projects, all of them have differences from this invention. 
         [0041]    USD268938 May 10 1983 
         [0042]    Has only one back wheel. 
         [0043]    Does not uses the skate-board type steering effect 
         [0044]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0045]    Does not have a T shape driving stick 
         [0046]    There is no steering mechanism 
         [0047]    US2009/0315301 Dec. 24 2009 
         [0048]    Has only one back wheel. 
         [0049]    Does not uses the skate-board type steering effect 
         [0050]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0051]    There is no steering mechanism 
         [0052]    WO2004/012984 Feb. 12 2004 
         [0053]    Has only one back wheel. 
         [0054]    Does not uses the skate-board type steering effect 
         [0055]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0056]    Baggage is made of soft material 
         [0057]    Baggage is build around a scooter frame 
         [0058]    US2004/0094919 May 20 2004 
         [0059]    Has only one back wheel. 
         [0060]    Does not uses the skate-board type steering effect 
         [0061]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0062]    Baggage does not stand up by itself (version with 2 wheels) 
         [0063]    Baggage is ridden sideways (version with 3 wheels) WO2004/093595 Nov 4. 2004 
         [0064]    Has only one back wheel. 
         [0065]    Does not uses the skate-board type steering effect 
         [0066]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0067]    Baggage does not stand up by itself 
         [0068]    Baggage is build around a scooter frame 
         [0069]    U.S. Pat. No. 4,145,065 Mar. 20 1979 
         [0070]    Does not uses the skate-board type steering effect 
         [0071]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0072]    Does not have a T shape driving stick 
         [0073]    Steering is achieved through a pivot point 
         [0074]    Not box shaped. 
         [0075]    U.S. Pat. No. 3,314,494 Apr. 18 1967 
         [0076]    Does not uses the skate-board type steering effect 
         [0077]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0078]    Does not have a T shape driving stick 
         [0079]    There is no steering mechanism 
         [0080]    Baggage is ridden sideways 
         [0081]    U.S. Pat. No. 3,413,011 Nov. 26 1968 
         [0082]    Does not uses the skate-board type steering effect 
         [0083]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0084]    Does not have a T shape driving stick 
         [0085]    There is no steering mechanism 
         [0086]    Baggage is ridden sideways 
         [0087]    US2004/0056442 Mar. 25 2004 
         [0088]    Does not uses the skate-board type steering effect 
         [0089]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0090]    Standing platform is build of a complex structure that reduces the volume for luggage. 
         [0091]    U.S. Pat. No. 7,731,204 Jun. 8 2010 
         [0092]    Has only one back wheel. 
         [0093]    Does not uses the skate-board type steering effect 
         [0094]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0095]    Baggage is made of soft material 
         [0096]    Baggage is build around a scooter frame 
         [0097]    Baggage does not stand up by itself 
         [0098]    EP1138590 Apr. 10 2001 
         [0099]    Has only one back wheel. 
         [0100]    Does not uses the skate-board type steering effect 
         [0101]    Baggage does not stand up by itself 
         [0102]    Standing platform is made out of three telescopic segments, which makes system unstable under a person weight. 
         [0103]    WO03/045185 of Jun. 5 2003 
         [0104]    Has only one back wheel. 
         [0105]    Does not uses the skate-board type steering effect 
         [0106]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0107]    Baggage is build around a scooter frame 
         [0108]    Baggage is ridden sideways 
         [0109]    Turning is achieved through a pivot point and not by the T bar turning the wheels. 
         [0110]    U.S. Pat. No. 7,431,311 of Oct. 7 2008 
         [0111]    Has only one back wheel. 
         [0112]    Does not uses the skate-board type steering effect 
         [0113]    Wheels are not pulled out telescopically from baggage shape 
         [0114]    Baggage is build around a scooter frame 
         [0115]    Baggage is ridden sideways 
         [0116]    Baggage is made of soft material 
         [0117]    US2010/0213680 of Aug. 26 2008 
         [0118]    Has only one back wheel. 
         [0119]    Does not uses the skate-board type steering effect 
         [0120]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0121]    Baggage is build around a scooter frame 
         [0122]    Baggage is ridden sideways 
         [0123]    WO03/093093 of Nov. 13 2003 
         [0124]    Has only one back wheel. 
         [0125]    Does not uses the skate-board type steering effect 
         [0126]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0127]    Baggage is build around a scooter frame 
         [0128]    It can only be used as a baggage if not ridden. 
         [0129]    WO2010/094824 of Aug. 26 2010 
         [0130]    Does not uses the skate-board type steering effect 
         [0131]    Front wheel is pulled out telescopically from baggage shape rather than the rear wheel 
         [0132]    Baggage is build around a scooter frame 
         [0133]    Bag is placed behind rider foot instead of in front 
         [0134]    WO03/045185 of Jun. 5 2003 
         [0135]    Has only one back wheel. 
         [0136]    Does not uses the skate-board type steering effect 
         [0137]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0138]    Baggage is build around a scooter frame 
         [0139]    Baggage is ridden sideways 
         [0140]    PCT FR01/02556 of Sep. 17 2001 
         [0141]    Has only one back wheel. 
         [0142]    Does not uses the skate-board type steering effect 
         [0143]    Platform and wheels are not pulled out telescopically from baggage shape 
         [0144]    Baggage is build around a scooter frame 
         [0145]    Baggage is made of soft material 
       SUMMARY 
       [0146]    Skate trolley is designed in such a way that: 
         [0147]    it is a device for storing luggage that can be converted and be ridden as skateboard and driven like a scooter; 
         [0148]    it has three rollers that maintain the baggage up straight in a standing position ( FIG. 10 ); 
         [0149]    it has one of the roller ( 1 , front) that can be rotated on his vertical axis by means of the driving stick ( 2 ); 
         [0150]    it has two other rollers ( 8 , 9 ) connected to the standing platform ( 5 ) that steer as the platform tilts in the typical skateboarding turning effect ( FIG. 15 ); 
         [0151]    it has pins that can lock into operational position the standing platform ( 5 ) and the driving stick ( 2 ); 
         [0152]    it has a door ( 12 ) so the inside of the baggage can be accessed; 
         [0153]    it has a cavity area ( 13 ) to allow the user to place the front part of the foot in this zone while the heel can be placed over the standing platform ( 5 ) in the operational position; 
         [0154]    it has a handle so it can be carried as a standard luggage ( FIG. 11 ); 
         [0155]    both the driving stick ( 2 , 4 ) and the standing platform ( 5 ) can be moved in a closed position in order to be included in a box like shaped formed by the baggage ( FIG. 12 ); 
         [0156]    the user can stand on the platform ( FIG. 8 ) with one foot, steering through the driving stick while pushing with the other foot to gain speed; 
         [0157]    the device can pushed ( FIG. 7 ) and pulled ( FIG. 8 ) from the driving stick ( 2 ) to be moved around while standing up on the three wheels; 
         [0158]    the device can also be used in a trolley like manner ( FIG. 9 ) by rolling and carrying the luggage from the driving stick ( 4 ) in such a way that only the rear wheels ( 8 , 9 ) touch the ground; 
         [0159]    there is no internal frame connecting the driving stick to the standing platform, the external luggage shell structure itself acts as the infrastructure of Skate-trolley; 
         [0160]    it uses the combined steering effect of a Scooter through the driving stick and of a Skateboard through its pivoting rear axle under the platform to ease turns ( FIG. 15 ); 
         [0161]    it can be built in different sizes, one of which is designed to fit the carry-on regulations of air travel; 
         [0162]    the front and driving wheel ( 1 ) can be substituted by two parallel wheels steering together as an option to increase stability.