Patent ID: 8381699

Claim:
An engine comprising: (i) a piston; (ii) a crankpin, the crankpin comprising: (a) a crankpin axis portion; (b) a first crankpin extension portion, a distal end of the first crankpin extension portion connected to a first end of the crankpin axis portion; (c) a second crankpin extension portion, a distal end of the second crankpin extension portion connected to a second end of the crankpin axis portion; (d) a first main crankpin portion, a distal end of the first main crankpin portion connected to a proximal end of the first crankpin extension portion such that a central longitudinal axis of the first main crankpin portion is not aligned with a central longitudinal axis of the first crankpin extension portion; (e) a second main crankpin portion, a distal end of the second main crankpin portion connected to a proximal end of the second crankpin extension portion such that a central longitudinal axis of the second main crankpin portion is not aligned with a central longitudinal axis of the second crankpin extension portion; (iii) a connecting rod, the connecting rod pivotally coupled to the piston, and rotationally coupled to the crankpin axis portion; and (iv) a crankshaft, the crankshaft comprising: (a) a first crankshaft portion, the first crankshaft portion connected to a proximal end of the first main crankpin portion; (b) a second crankshaft portion, the second crankshaft portion connected to a proximal end of the second main crankpin portion.