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US 4,606,241 AGranted
Adjustable crank assembly
OwnerVerner Fredrikssoninventor
Life of this patent
Estimating the term…
Abstract
A crank assembly having an adjustment member extending approximately parallel to and fixed to one end of a crank lever, a bearing arrangement adjustably affixed to said adjustment member, a pivot arm rotatably connected to said bearing arrangement, a pedal and anchorage means for adjustably positioning the pedal on the pivot arm.
Claims7
A crank assembly adjustable both as to the crank radius and the height of crank movement, comprising:
- a hub assembly including an axle;
- a crank lever affixed to said axle and having a length;
- a pivot arm rotatably connected to a bearing arrangement;
- an adjustment member affixed to and generally parallel to said crank lever for adjustably positioning said bearing arrangement at positions alongside said crank lever, said bearing arrangement being slidably connected to said adjustment member and provided with means for securing said bearing arrangement to said adjustment member at positions along said adjustment member;
- a pedal;
- and
- anchorage means for adjustably positioning said pedal on said pivot arm.
4 more elements
Dependencies are inferred from the claim text.