Three-Wheeled Vehicle With Multipart Frame

Abstract

A vehicle, such as a cargo bike, may include a multipart frame, a single wheel, and a wheel pair which comprises two mutually spaced wheels, where the single wheel is connected to a first frame part of the frame, and the two wheels of the wheel pair are rotatably mounted on a second frame part of the frame about a common axis. The first frame part and the second frame part may be connected by at least one joint and can be rotated relative to each other about a pivot axis defined by the at least one joint, and the pivot axis may run through a contact point of the single wheel.

1 - 10 . (canceled) 
     
     
         11 . A vehicle comprising:
 a multi-part frame;   a single wheel; and   a pair of wheels having two mutually spaced-apart wheels; wherein 
 the single wheel is connected to a first frame part of the frame; and wherein
 the two wheels of the pair of wheels are mounted on a second frame part of the frame so as to be rotatable about a common axis, wherein 
 the first frame part and the second frame part are connected by at least one joint, wherein 
 the first frame part and the second frame part are rotatable relative to one another about a pivot axis defined by the at least one joint, and wherein 
 the pivot axis runs through a contact point of the single wheel. 
 
   
     
     
         12 . The vehicle according to  claim 11 , wherein 
 the single wheel is a front wheel, and wherein   the front wheel is coupled to a wheel fork, the wheel fork being connected to the first frame part so that the front wheel is pivotable about a steering axis.   
     
     
         13 . The vehicle according to  claim 11 , wherein
 the first frame part and the second frame part are connected by at least two joints which are spaced apart on the pivot axis, wherein   a first joint of the two joints is at least one of a ball joint, a radial bearing, and an elastomer element and wherein   a second joint of the two joints is at least one of a ball joint, a radial bearing, and an elastomer element.   
     
     
         14 . The vehicle according to  claim 13 , wherein a position of the first joint and/or of the second joint in relation to the first frame part and/or the second frame part is adjustable. 
     
     
         15 . The vehicle according to  claim 11 , wherein
 the first frame part and the second frame part are connected by exactly one joint formed by at least one radial bearing.   
     
     
         16 . The vehicle according to  claim 11 , further comprising at least one of the following:
 a delimiting device which is configured to restrict a rotatability of the first frame part in relation to the second frame part about the pivot axis; and   a restoring device which is configured to rotate the first frame part, from a position deflected in relation to a pre-defined central position, back to the central position.   
     
     
         17 . The vehicle according to  claim 11 , further comprising:
 at least one torque-generating drive device, wherein
 the at least one torque-generating device is coupled to at least one of the first frame part and the single wheel and is configured to transmit the torque to the single wheel. 
   
     
     
         18 . The vehicle according to  claim 11 , further comprising:
 at least one torque-generating drive device that is disposed on the first frame part and, via a torque transmission device, is configured to transmit the torque to at least one of the wheels of the pair of wheels.   
     
     
         19 . The vehicle according to  claim 18 , wherein the torque transmission device is a prop shaft which, at least in a region of a dividing plane between the first frame part and the second frame part that is defined by the at least one joint, extends from the first frame part to the second frame part so as to be coaxial with the pivot axis. 
     
     
         20 . The vehicle according to preceding  claim 18 , wherein the torque transmission device is a chain gear which has a chain and of which the chain permits and compensates a twisting about the pivot axis. 
     
     
         21 . The vehicle according to  claim 11 , further comprising:
 at least one torque-generating drive device that is disposed on the second frame part and, via a torque transmission device, is configured to transmit a torque to the single wheel.   
     
     
         22 . The vehicle according to  claim 21 , wherein the torque transmission device is a prop shaft which, at least in the region of a dividing plane between the first frame part and the second frame part that is defined by the at least one joint, extends from the first frame part to the second frame part so as to be coaxial with the pivot axis. 
     
     
         23 . The vehicle according to  claim 21 , wherein the torque transmission device is a chain gear which has a chain and of which the chain permits and compensates a twisting about the pivot axis. 
     
     
         24 . The vehicle according to  claim 11 , further comprising:
 at least one torque-generating drive device, wherein the at least one torque-generating device is coupled to at least disposed on the second frame part or directly on one of the wheels of the pair of wheels and is configured to transmit the torque to at least one of the wheels of the pair of wheels.   
     
     
         25 . A vehicle, comprising:
 a multi-part frame;   a first wheel; and   a pair of wheels comprising a second wheel and a third wheel, the second wheel and the third wheel being coaxial and spaced apart, wherein
 the first wheel is connected to a first frame part of the frame, wherein
 the second wheel and the third wheel are both mounted on a second frame part of the frame, wherein 
 the first frame part and the second frame part are connected by at least one joint, wherein 
 the first frame part and the second frame part are rotatable relative to one another about a pivot axis defined by the at least one joint, and wherein 
 the pivot axis runs through a contact point of the first wheel. 
 
   
     
     
         26 . The vehicle according to  claim 25 , wherein
 the first wheel is a front wheel, and wherein
 the front wheel is coupled to a wheel fork, the wheel fork being connected to the first frame part so that the front wheel is pivotable about a steering axis. 
   
     
     
         27 . The vehicle according to  claim 11 , wherein
 the first frame part and the second frame part re connected by at least two joints which are spaced apart on the pivot axis, wherein
 a first joint of the two joints is at least one of a ball joint, a radial bearing, and an elastomer element and wherein
 a second joint of the two joints is at least one of a ball joint, a radial bearing, and an elastomer element. 
 
   
     
     
         28 . The vehicle according to  claim 27 , wherein a position of the first joint and/or of the second joint in relation to the first frame part and/or the second frame part is adjustable. 
     
     
         29 . The vehicle according to  claim 25 , wherein
 the first frame part and the second frame part are connected by exactly one joint formed by at least one radial bearing.   
     
     
         30 . The vehicle according to  claim 25 , further comprising at least one of the following:
 a delimiting device which is configured to restrict a rotatability of the first frame part in relation to the second frame part about the pivot axis; and   a restoring device which is configured to rotate the first frame part, from a position deflected in relation to a pre-defined central position, back to the central position.