Patent ID: 8839687

Claim:
A reciprocating piston mechanism with extended piston offset, comprising: a main crankshaft having a central axis, a crank, and a crankpin on the crank; a lever assembly having means for pivotally mounting the lever assembly on the crankpin of the crankshaft, the lever assembly includes at least a first arm and a second arm; at least one cylinder, that has a longitudinal axis offset at a distance from said main crankshaft central axis; a piston slidingly installed in said at least one cylinder, the piston having a pivot pin; a connecting rod having one end pivotally connected to said second arm of the lever assembly and another end, pivotally connected to said piston; at least one roller rotationally installed on said first arm of the lever assembly, and a guide for guiding the roller along a predetermined stationary pathway, said stationary pathway extending parallel to said cylinder longitudinal axis, where said roller functions as a fulcrum of the lever assembly, wherein said guide and said cylinder are located above a horizontal plane passing through said main crankshaft central axis.