Patent ID: 11932348
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. A transportation apparatus comprising:
a base frame;
a front frame coupled to the base frame, wherein the front frame extends upward from the base frame;
a prime mover rotatably coupled to the base frame, wherein the prime mover includes a hub;
a pedal set coupled to the hub of the prime mover;
a motion transfer element coupled to the prime mover;
a jack shaft coupled to the front frame, wherein the jack shaft includes a rotatable rod, a first end and a second end;
a jack shaft crank rotatably affixed to the rotatable rod of the jack shaft between the first end and the second end of the jack shaft, wherein the jack shaft crank is coupled to the motion transfer element so that rotation of the prime mover causes rotation of the jack shaft crank;
a first upper wheel crank coupled to the first end of the jack shaft and a second upper wheel crank coupled to the second end of the jack shaft;
a first front wheel having a hub and a second front wheel having a hub;
a first lower wheel crank coupled to the hub of the first front wheel and to the first upper wheel crank;
a second lower wheel crank coupled to the hub of the second front wheel and to the second upper wheel crank;
a rear frame coupled to the base frame;
one or more rear wheels rotatably coupled to the rear frame; and
one or more motors coupled to each of the one or more rear wheels.