Foldable bicycle frame
AssigneeThomas Schwaiger
InventorThomas Schwaiger
Life of this patent
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Abstract
In order to provide a foldable bicycle frame which can be folded to form a very small packing size on the one hand and also satisfies high stability requirements on the other hand, a foldable bicycle frame is provided in accordance with the invention, comprising a seat tube (1) for accommodating a seat post (2), an upper tube (3), a head tube (4), a lower tube (5), two chain stays (6) and two seat stays (7), wherein a first releasable locking mechanism is provided in order to connect, in an unfolded state of the bicycle frame, the seat post (2), the seat tube (1), the upper tube (3) and the seat stays (7) in a rigid and detachable manner to each other and to fix the position to each other.
Claims17
A foldable bicycle frame, comprising a seat tube (1) for accommodating a seat post (2), an upper tube (3), a head tube (4), a lower tube (5), two chain stays (6) and two seat stays (7), wherein a first releasable locking mechanism is provided in order to connect, in an unfolded state of the bicycle frame, the seat post (2), the seat tube (1), the upper tube (3) and the seat stays (7) in a rigid and detachable manner to each other and to fix their position to each other, characterized in that the upper tube (3) and the lower tube (5) are each connected to the head tube (4) in an articulated manner, and that a second releasable locking mechanism is provided in order to rigidly connect, in the unfolded state of the bicycle frame, the upper tube (3) and the lower tube (5) to each other and to fix the position of the upper tube (3), the lower tube (5) and the head tube (4) to each other.
Dependencies are inferred from the claim text.