Patent ID: 8517406

Claim:
A movable vehicle, comprising: a first frame member having a handlebar, a front wheel, and a saddle coupled thereto; a second frame member having a rear wheel coupled thereto; and a pivot joint coupling the first and second frame members so as to be rotatable relative to each other, the pivot joint comprising: a first tubular member coupled to the first frame member and having a first end, a second end, and a side wall extending therebetween that defines a passage through the first tubular member; a second elongate member coupled to the second frame member and disposed through the passage of the first tubular member so as to be rotatable relative to the first tubular member; and a locking mechanism for fixing the relative rotational positions of the first and second frame members, the locking mechanism including at least one projection coupled to one of the first tubular member or second elongate member and at least one aperture formed in the other of the first tubular member or second elongate member, wherein when the at least one projection engages the at least one aperture, the relative rotational positions of the first and second frame members are fixed.