Collapsible bicycle

Claim 1

The collapsible bicycle which comprises: 1. a front unit which includes: a. a front fork; b. wheel means rotatably attached to the lower ends of said front fork; c. steering means attached to the upper portion of said front fork; d. a head tube rotatably attached to the middle portion of said front fork which allows said front fork to be pivoted while said pivoting means remains stationary; e. an upper attachment bar and a lower attachment bar, each of which are essentially parallel with each other and each of which are connected on one end to said head tube; and f. a carrier; 2. a center unit which includes: g. pillar means; h. a seat attached to the upper portion of said pillar means; i. a first bar attached to the lower portion of said pillar means, the other end of said first bar detachably mating with said lower attachment bar (e) and said other end of said first bar being on the same axis as said lower attachment bar (e); j. a second bar attached to said pillar means at a point above the attachment point of said first bar, the other end of said second bar detachably mating with said upper attachment bar (e) and said other end of said second bar being on the same axis as said upper attachment bar (e); k. a lower attachment bar and an upper attachment bar, each of which is essentially parallel with each other, each of which is connected on one end to the upper portion of said pillar means, each of which is essentially parallel to said upper attachment means (e), and each of which is located diametrically on said pillar means from said first bar (i); and 1. an attachment bar located on the lower end of said pillar means (g), which is essentially parallel with attachment bars (k) and which is in the same plane as attachment bars (k); 3. a back unit which includes: m. pillar means; n. a first fork, the head of which is attached to the lower portion of said pillar means (1) and which is generally situated in a horizontal manner; o. a second fork, the head of which is attached to the upper portion of said pillar means (m) and which is situated so that the ends of the legs thereof are connected to the ends of said first fork (n); p. wheel means rotatably attached to forks (n) and (o) at the intersection of the ends of the legs thereof; q. a first attachment bar attached to said upper portion of said pillar means (m), the other end of said first attachment bar (q) detachably mating with said upper attachment bar (k) and said other end of said first attachment bar (g) being on the same axis as said upper attachment bar (k); and r. a second attachment bar attached to the lower portion of said pillar means (m), the other end of said second attachment bar (r) detachably mating with said attachment bar (1) and said other end of said second attachment bar (r) being on the same axis as said attachment bar (r); and 4. propulsion means which is rotatably mounted on said lower end of pillar means (g), which is attached to said wheel means (p) in such a manner that said wheel means (p) rotates when said propulsion means rotates.