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US 12,649,539 B1Granted
Quadrupedal tricycle
OwnerRichard Fetterlyinventor
Life of this patent
Estimating the term…
Abstract
An exemplary apparatus includes first and second foot pedals attached to a first sprocket; first and second hand grips attached to a second sprocket; a first chain connecting the first and second sprockets; and a second chain connecting the first sprocket to a third sprocket.
Claims19
An apparatus comprising:
- first and second foot pedals attached to a first sprocket;
- first and second hand grips attached to a second sprocket;
- a first chain connecting the first and second sprockets;
- a second chain connecting the first sprocket to a third sprocket;
- and
- a fixed frame and a tilting frame, wherein the first, second and third sprockets are disposed on the tilting frame.
3 more elements
An apparatus comprising:
- first and second foot pedals attached to a first sprocket;
- first and second hand grips attached to a second sprocket;
- a first chain connecting the first and second sprockets;
- a second chain connecting the first sprocket to a third sprocket;
- a fixed frame comprising a transverse bar;
- and
- a tilting frame, wherein the tilting frame comprises a stop that is configured to contact the transverse bar to limit a left turn extent and to limit a right turn extent.
4 more elements
An apparatus comprising:
- first and second foot pedals attached to a first sprocket;
- first and second hand grips attached to a second sprocket;
- a first chain connecting the first and second sprockets;
- a second chain connecting the first sprocket to a third sprocket;
- and
- a fixed frame and a tilting frame
- wherein the first and second hand grips are attached to a hand crank stem of the tilting frame;
- and
- wherein the tilting frame comprises an inclined frame member that is aligned along a line extending between a base of the hand crank stem and a contact patch of a rear wheel with a ground surface.
6 more elements
Dependencies are inferred from the claim text.