Patent ID: 7819066

Claim:
A zipline trolley comprising: a substantially flat first side flange; a substantially flat second side flange, wherein said first side flange and second side flange are arranged in a parallel configuration; a substantially flat front face attached perpendicularly to the front edges of said first and second side flanges, and wherein said substantially flat front face extends beyond the width between said first and second side flanges; a substantially flat back face attached perpendicularly to the rear edges of said first and second side flanges, and wherein said substantially flat back face extends beyond the width between said first and second flanges; two axles for bearing wheels extending between said first side flange and said second side flange; four lines, comprising first two lines, wherein one end of each of said first two lines is attached to said first side flange; and second two lines, wherein one end of each of said second two lines is attached to said second side flange; a first spreader, wherein said first spreader is attached to the other end of each of said first two lines; a second spreader, wherein said second spreader is attached to the other end of each of said second two lines; and a handlebar, wherein said handlebar is rigidly attached to said first spreader and said second spreader.