초록 ▼

A bicycle and method of making same are provided wherein such bicycle has an improved system associated with its front and/or rear wheel which in each instance allows large and abrupt vertical movement of the wheel associated therewith while allowing the frame and bicycle rider to remain comparative

A bicycle and method of making same are provided wherein such bicycle has an improved system associated with its front and/or rear wheel which in each instance allows large and abrupt vertical movement of the wheel associated therewith while allowing the frame and bicycle rider to remain comparatively free of such movements. The bicycle may also be provided with an improved support structure for its pedal assembly.

대표청구항 ▼

In a bicycle comprising; a front wheel; a rear wheel; a frame having a tubular forward portion; means mounting said frame on said wheels; a pedal assembly; a support structure supporting said pedal assembly on said frame; said mounting means comprising, a front axle for rotatably supporting said fro

In a bicycle comprising; a front wheel; a rear wheel; a frame having a tubular forward portion; means mounting said frame on said wheels; a pedal assembly; a support structure supporting said pedal assembly on said frame; said mounting means comprising, a front axle for rotatably supporting said front wheel, a first fork assembly having a first tubular member rotatably mounted within said tubular forward portion, a first pair of front wheel embracing legs extending from the lower end of said first tubular member, a first pair of toggle links disposed on opposite end portions of said front axle, each toggle link of said first pair of toggle links having an inner end pivotally fastened to the lower end portion of an associated one of said first pair of legs and an outer end having opening means for receiving an associated end portion of said front axle, a top plate detachably fastened to said first tubular member for rotation therewith, a second fork assembly having a second pair of front wheel embracing legs, fastening means pivotally fastening an associated leg of said second fork assembly to an associated toggle link of said first pair of toggle links, attaching means for attaching said front axle to said first pair of toggle links with said front axle having its opposite end portions disposed within said opening means, said second fork assembly comprising a U-shaped singlepiece component having a bight and a pair of parallel legs, a second tubular member fixed to and extending upwardly from the center of said bight, and yielding means operatively connected between said top plate and said second tubular member, said yielding means allowing large and abrupt vertical movements of said front wheel while maintaining said frame comparatively free of said movements; the improvement comprising a second pair of toggle links also disposed on opposite end portions of said front axle, each toggle link of said second pair cooperating with an associated toggle link of said first pair, each toggle link of said second pair also having an inner end pivotally fastened to the lower end portion of an associated one of said first pair of legs and an outer end having opening means for receiving an associated end portion of said front axle, said fastening means pivotally fastening an associated leg of said second fork assembly to an associated toggle link of said first pair of toggle links also serving to pivotally fasten the associated leg of said second fork assembly to an associated toggle link of said second pair of toggle links, and said attaching means also serving to attach said front axle to said second pair of toggle links with said front axle also having its opposite end portions disposed within said opening means in said toggle links of said second pair.