초록 ▼

A knock-down tricycle has its main structural parts made of stamped metal or molded components which are relatively inexpensive to fabricate and which, when disassembled, occupy a minimum volume allowing the tricycle to be shipped in a knocked-down condition in a minimum size package. The various co

A knock-down tricycle has its main structural parts made of stamped metal or molded components which are relatively inexpensive to fabricate and which, when disassembled, occupy a minimum volume allowing the tricycle to be shipped in a knocked-down condition in a minimum size package. The various components of the tricycle can be assembled easily using simple tools and, when assembled, they form a tricycle which is unusually strong and sturdy.

대표청구항 ▼

In a tricycle of the type having a backbone with a longitudinal axis, a front fork and handlebar assembly pivotally mounted to the front end of the backbone, a rear axle mounted to the rear end of the backbone lying generally perpendicular to said longitudinal axis thereof, the improvement wherein t

In a tricycle of the type having a backbone with a longitudinal axis, a front fork and handlebar assembly pivotally mounted to the front end of the backbone, a rear axle mounted to the rear end of the backbone lying generally perpendicular to said longitudinal axis thereof, the improvement wherein the backbone comprises A. a pair of spaced-apart parallel plates, each having an upper front end and a lower rear end; B. a head block positioned between said plates at the front ends thereof, said block including means for journaling said front fork and handlebar assembly; C. means for connecting the plate front ends to said block; D. a rear step plate; E. means for connecting each said plate rear end to said step plate, said connecting means including 1. a slot in the rear step plate, 2. a tab extending from the rear end of said plate through said step plate slot, said tab including a lateral jog which extends flush against the underside of said rear step plate; and 3. one or more fasteners connected between said tab jog and said step plate; and F. seating means connected between said plates the ends thereof, said plates, head block and seating means forming a rigid beam structure for supporting a rider.