초록 ▼

An auxiliary device attachable to a bicycle to aid in learning the stunt known as “popping wheelies”balance on the rear wheel of the bicycle, the device including a rearwardly extending support frame, a rear frame pivotally attached at one end to the support frame and pivotally attached at the other

An auxiliary device attachable to a bicycle to aid in learning the stunt known as “popping wheelies”balance on the rear wheel of the bicycle, the device including a rearwardly extending support frame, a rear frame pivotally attached at one end to the support frame and pivotally attached at the other end to a member that is lengthwise adjustably attached to the support frame with a pair of wheels on an axle flexibly attached to the rear frame.

대표청구항 ▼

An auxiliary device attachable to a bicycle having a base frame supporting a seat, a rear wheel rotating on a rear axle and forwardly extending frame members forming a rear wheel axle support frame on each side of the rear wheel, the device comprising: (a) a rearwardly extending rigid support frame

An auxiliary device attachable to a bicycle having a base frame supporting a seat, a rear wheel rotating on a rear axle and forwardly extending frame members forming a rear wheel axle support frame on each side of the rear wheel, the device comprising: (a) a rearwardly extending rigid support frame comprising: (i) a rearward section, (ii) a pair of members comprising forward ends attachable to the rear wheel axle support frame, and (iii) a pair of angled members rigidly attached to and angling forwardly and upwardly from the rearward section and comprising forward ends attachable to the base frame, (b) a rear member comprising a rearward end and a forward end pivotally attached at the forward end to the rearward section of the rigid support frame, (c) an adjustment and support member comprising a forward section and rearward end pivotally attached at the rearward end to the rearward end of the rear member, (d) attachment mans to lengthwise selectively attach the forward section of the adjustment and support member to the angled members of the rearwardly extending rigid support frame, (e) an axle member having ends, (f) a pair of wheels rotatably affixed on the ends of the axle member, each wheel comprising an outside vertical edge, said edges being distanced from each other about four to about ten inches, and (g) axle attachment means: (i) to structurally attach the axle member to the rear member in parallel alignment with the rear axle of the bicycle, and (ii) to allow lengthwise flexure movement between the axle and the rear member.