Personal vehicle
AssigneeUniversity of Pittsburgh
InventorsJonathan L. Pearlman, Rory Cooper
Life of this patent
Estimating the term…
Abstract
A personal vehicle comprises a frame with a seat, two large, non-drive wheels connected by an axle at one end of the frame, an elongated swing arm attached to the axle, a pair of caster wheels connected to the frame opposite the large, non-drive wheels and a main drive wheel mounted to a fork and connected to the swing arm. The main drive wheel is located central the vehicle frame, intermediate the frame sides and intermediate frame front and rear sections.
Claims15
A personal vehicle having improved maneuverability on rough terrain and when encountering obstacles and comprising:
- a frame having a top and bottom section, the top section having a seat disposed thereon, the bottom section having a front, a rear and two side portions;
- two large, non-drive wheels positioned at one end of said frame and connected to each other with an axle;
- a pivot connection attached near a midpoint of said axle;
- an elongated swing arm attached to said pivot connection and to the front of the frame bottom section;
- a main drive wheel rotatably mounted in a fork attached to said swing arm intermediate the front and rear frame bottom sections and further intermediate the two side portions of said frame bottom section;
- a suspension system extending outwardly from said swing arm;
- and
- two caster wheels positioned in wheel forks rotatably attached to said suspension system.
A personal vehicle having improved maneuverability on rough terrain and when encountering obstacles and comprising:
- a frame having a top and bottom section, the top section having a seat disposed thereon;
- two large, non-drive wheels positioned at a front or rear end of said frame, wherein said two large wheels are interconnected by an axle;
- a pivot connection attached to said axle;
- an elongated center swing arm attached to said pivot connection at a first end and toward the front of said frame at a second end;
- a main drive wheel rotatably mounted to said center swing arm;
- a tiller steering mechanism connected to said main drive wheel;
- a suspension system extending outwardly from one end of said center swing arm;
- and
- two caster wheels positioned in separate forks rotatably attached to said suspension system.
Dependencies are inferred from the claim text.