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US 4,787,647 AGranted
Four wheel cycle
OwnerMyoun-Keon Ohinventor
Life of this patent
Estimating the term…
Abstract
A four wheel cycle has a seat on a pipe-formed body, two non-steerable front wheels with a foot pedal crank driving mechanism directly therebetween, and two steerable rear wheels with steering mechanism. The steering mechanism has a steering wheel on one end of a steering shaft a, steering arm across the other end of the steering shaft and a pair of steering connecting rods cross connecting the steering arm to the steerable rear wheels.
Claims1
A four wheel cycle comprising a body 3 having an "H" shaped frame (1) and a support frame (2) banded and spot welded together;
- a seat (10) on the body;
- foot crank pedals (5,5');
- a pair of front wheels (4,4') rotatably attached non-steerably to a front end of the "H" shaped frame and connected directly to opposite ends of the foot crank pedals;
- a pair of rear wheels (6,6');
- and a steering mechanism comprising a steering wheel (8), a steering arm (11), a steering shaft rotatably attached to the body with the steering wheel and steering arm fixed at opposite ends, a steering unit (7) and at least one steering yoke (13) rotatably connected between the rear wheels and steerably attached to a rear end of the "H" shaped frame, and steering connecting rods (9,9') crossly connected respectively between opposite ends of the steering arm and unit.
2 more elements
Dependencies are inferred from the claim text.