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US 9,359,034 B2Granted
Cycle and associated components
AssigneeRecreation Systems Co.
InventorC. Martin Rasmussen
Life of this patent
Estimating the term…
Abstract
A recumbent cycle includes a toothed belt drive system and rear suspension. It also includes a double A-arm suspension assembly and at least one transmission having a planetary gear arrangement.
Claims32
A tadpole tricycle comprising:
- pedals;
- a frame assembly;
- two front wheels coupled to the frame assembly;
- a rear wheel coupled to the frame assembly;
- a seat coupled to the frame assembly;
- a suspension system that allows the rear wheel to pivot relative to the frame assembly;
- a front transmission assembly, the pedals being coupled to the front transmission assembly;
- a rear transmission assembly including a gear ring;
- and
- a chain extending between the front transmission assembly and the rear transmission assembly and transferring motion between the front transmission assembly and the rear transmission assembly;
- wherein rotation of the rear wheel is driven by a toothed belt;
- and
- wherein the gear ring rotates on the same axis that rear wheel pivots on relative to the frame assembly.
10 more elements
A tadpole tricycle comprising:
- pedals;
- a frame assembly;
- two front wheels coupled to the frame assembly;
- a rear wheel coupled to the frame assembly;
- a seat coupled to the frame assembly;
- a suspension system that allows the rear wheel to pivot relative to the frame assembly;
- a gear ring coupled to the frame assembly, the gear ring driving rotation of the rear wheel using a toothed belt;
- a front transmission assembly, the pedals being coupled to the front transmission assembly;
- a rear transmission assembly including the gear ring;
- and
- a chain extending between and transferring motion from the front transmission assembly and the rear transmission assembly;
- wherein the gear ring rotates on the same axis that the rear wheel pivots around.
9 more elements
Dependencies are inferred from the claim text.