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S-ram Dynamics

Lee Jestings

Richard Andrew Kruse

Ricardo Conde

A piston drive assembly, including: a housing enclosing each of: a plurality of cylinders, each cylinder having an axis substantially parallel to the axis of the other cylinders; a plurality of pistons, one piston in each cylinder; a wobble plate connected to each of the plurality of pistons; a swashplate rotatably fixed to a drive shaft such that the drive shaft can rotate the swash plate or the swash plate can rotate the drive shaft, wherein the drive shaft extends through the entire length of the housing.

Piston drive assembly

A variable displacement piston assembly including a plurality of cylinders, each cylinder having an axis substantially parallel to the axis of the other cylinders, a plurality of pistons, one piston in each cylinder, and each piston and corresponding cylinder having a displacement. The assembly also including a transition arm having a connector pin for each piston, each connector pin connecting each piston to said transition arm, a drive shaft connected to the transition arm and a control shaft rotatably coupled to the drive shaft, the control shaft being movable to adjust the displacement of the piston assembly.

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Franklin, TN, United States of America

Lee Jestings