Patent ID: 8225902

Claim:
In a propulsion unit having a hydrostatic drive on a frame having a longitudinal axis, an actuating rod operating said drive and a pair of pedals independently clamped to an axle in such a manner as to be comfortably positioned for the feet of the operator, the improvement comprising: said pair of pedals being independently clamped to said axle via a clamping arrangement including a pair of set screws, each of said set screws located adjacent respective side surfaces of the pedal; each said pair of pedals further having a top surface laterally between said respective side surfaces for contact by the feet of the operator, and a plurality of apertures in each pedal, each of said apertures being located to allow access to said clamping arrangement from above; wherein each of said apertures are formed in a side and top surface of the pedal; and wherein each of said plurality of apertures allow open access to a portion of the top and side of the respective set screws.