# US 7,607,693 B2 · Apparatus for bicycle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,607,693 B2 - Document ID: US7607693B2 - Status: Granted - Kind: B2 - Application number: 11/532,703 - Filed: 2006-09-18 - Published: 2008-03-20 - Granted: 2009-10-27 - Earliest claimed: 2006-09-18 - Inventors: Randy Chavis - Web page: https://patentgrep.com/patent/US7607693B2 ## CPC - B62H 1/12: using additional wheels - B62H: CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES ## Abstract An apparatus for attaching to a bicycle, the apparatus comprising a support frame including a rearward portion and a pair of spaced members extending forwardly for receiving the rear wheel and for attachment to the rear wheel axle of the bicycle. A pair of angled brace members are each attached at one end to the support frame and extend forwardly and upwardly for attachment to the bicycle frame. A rear member is attached at one end to the support frame. An elongated platform is rigidly attached to the rearward end of the rear member such that the platform extends transversely of the longitudinal axis of the bicycle frame. A wheel assembly is attached to the platform. The wheel assembly is out of engagement with a surface upon which the bicycle is located when the front and rear wheels are in contact with the surface. The wheel assembly engages the surface at a point rearward of the bicycle upon rearward rotation of the bicycle by raising the front wheel of the bicycle from the surface. ## Claims ### Claim 1 An apparatus attachable to a bicycle having a frame supporting a seat, a front wheel, and including rearwardly extending frame members forming a rear wheel axle support frame on each side of a rear wheel rotating on a rear axle, the apparatus comprising: a rigid support frame comprising a rearward portion, and a pair of spaced members integral with the rearward portion and extending forwardly for receiving the rear wheel, each of the spaced members including forward ends attachable to the rear wheel axle; a pair of angled brace members each attached at one end to the support frame and extending forwardly and upwardly relative to the rearward portion of the support frame, the forward ends of the brace members attachable to the bicycle frame; a rear member comprising a rearward end and a forward end attached to the rearward portion of the support frame; an elongated platform rigidly attached to the rearward end of the rear member such that the platform extends transversely of the longitudinal axis of the bicycle frame; and a wheel assembly comprising at least one wheel, the wheel assembly attached to the platform such that the wheel rotates in parallel with the wheels of the bicycle, wherein the wheel assembly is adapted to be out of engagement with a surface upon which the bicycle is located when the front and rear wheels of the bicycle are in contact with the surface, and wherein the wheel assembly engages the surface at a point rearward of the bicycle upon rearward rotation of the bicycle about an axis extending through the rear wheel axle by raising the front wheel of the bicycle from the surface. ### Claim 2 (depends on 1) The apparatus recited in claim 1, wherein the at least one wheel is about 1½ inches wide. ### Claim 3 (depends on 1) The apparatus recited in claim 1, wherein the diameter of the at least one wheel is from about 1 to about 6 inches. ### Claim 4 (depends on 1) The apparatus recited in claim 1, further comprising a second wheel assembly including at least one wheel and mounted on the platform, the first and second wheel assemblies being spaced apart and mounted at opposite ends of the platform. ### Claim 5 (depends on 4) The apparatus recited in claim 4, wherein each wheel comprises an outside vertical edge, said edges being distanced from each other from about five to about sixteen inches. ### Claim 6 (depends on 1) The apparatus recited in claim 1, wherein the platform is at least about 12 inches long. ### Claim 7 (depends on 1) The apparatus recited in claim 1, wherein the brace members extend in substantially parallel relationship on opposite sides of the rear wheel. ### Claim 8 (depends on 1) The apparatus as recited in claim 1, wherein the pair of angled brace members are each pivotally attached at the one end to the rigid support frame. ### Claim 9 (depends on 1) The apparatus recited in claim 1, wherein the platform is at least about 18 inches long. ### Claim 10 An apparatus attachable to a bicycle having a frame supporting a seat, a front wheel, and including rearwardly extending frame members forming a rear wheel axle support frame on each side of a rear wheel rotating on a rear axle, the apparatus comprising: a rigid support frame comprising a rearward portion, and a pair of spaced members integral with the rearward portion and extending forwardly for receiving the rear wheel, each of the spaced members including forward ends attachable to the rear wheel axle; a brace member attached at one end to the rigid support frame and extending forwardly and upwardly relative to the rearward portion of the rigid support frame, the forward end of the brace member attachable to the bicycle frame; a rear member comprising a rearward end and a forward end attached to the rearward portion of the rigid support frame; an elongated platform rigidly attached to the rearward end of the rear member such that the platform extends transversely of the longitudinal axis of the bicycle frame; and a wheel assembly comprising at least one wheel, the wheel assembly attached to the platform such that the wheel rotates in parallel with the wheels of the bicycle, wherein the wheel assembly is adapted to be out of engagement with a surface upon which the bicycle is located when the front and rear wheels of the bicycle are in contact with the surface, and wherein the wheel assembly engages the surface at a point rearward of the bicycle upon rearward rotation of the bicycle about an axis extending through the rear wheel axle by raising the front wheel of the bicycle from the surface. ### Claim 11 (depends on 10) An apparatus attachable to a bicycle as recited in claim 10, wherein the brace member is attached at one end to one of the spaced members. ### Claim 12 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, wherein the at least one wheel is about 1½ inches wide. ### Claim 13 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, wherein the diameter of the at least one wheel is from about 1 to about 6 inches. ### Claim 14 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, further comprising a second wheel assembly including at least one wheel and mounted on the platform, the first and second wheel assemblies being spaced apart and mounted at opposite ends of the platform. ### Claim 15 (depends on 14) The apparatus attachable to a bicycle as recited in claim 14, wherein each wheel comprises an outside vertical edge, said edges being distanced from each other from about five to about sixteen inches. ### Claim 16 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, wherein the platform is at least about 12 inches long. ### Claim 17 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, wherein the brace member is pivotally attached at the one end to the rigid support frame. ### Claim 18 (depends on 10) The apparatus attachable to a bicycle as recited in claim 10, wherein the platform is at least about 18 inches long. ### Claim 19 An apparatus attachable to a bicycle having a frame supporting a front wheel, and including rearwardly extending frame members forming a rear wheel axle support frame on each side of a rear wheel rotating on a rear axle, the apparatus comprising: a rigid support frame comprising a proximal end and a distal end, the distal end of the rigid support frame attachable to the bicycle frame; an elongated platform attached to the proximal end of the rigid support frame such that a portion of the platform extends substantially transversely on each side of the longitudinal axis of the bicycle frame; and a plurality of wheels operatively connected to the platform such that at least one wheel is positioned on both of the portions of the platform and substantially spaced from the longitudinal axis of the bicycle frame, and such that the wheels rotate in parallel with the front and rear wheels of the bicycle, wherein the wheels are adapted to be out of engagement with a surface upon which the bicycle is located when the front and rear wheels of the bicycle are in contact with the surface, and wherein the wheels engage the surface at a point rearward of the bicycle upon rearward rotation of the bicycle about an axis extending through the rear wheel axle by raising the front wheel of the bicycle from the surface. ### Claim 20 (depends on 19) An apparatus attachable to a bicycle as recited in claim 19, further comprising a brace member having a proximal end and distal end, the proximal end of the brace member attached to the rigid support frame such that the brace member extends angularly from the rigid support frame for attachment of the distal end of the brace member to the bicycle frame. ### Claim 21 (depends on 20) The apparatus attachable to a bicycle as recited in claim 20, wherein the brace member is pivotally attached at the one end to the rigid support frame. ### Claim 22 (depends on 19) The apparatus attachable to a bicycle as recited in claim 19, wherein the plurality of wheels are about 1½ inches wide. ### Claim 23 (depends on 19) The apparatus attachable to a bicycle as recited in claim 19, wherein the diameter of the plurality of wheels is from about 1 to about 6 inches. ### Claim 24 (depends on 19) The apparatus attachable to a bicycle as recited in claim 19, wherein the at least one wheel positioned on both of the portions of the platform comprises an outside vertical edge, said edges being distanced from each other from about five to about sixteen inches. ### Claim 25 (depends on 19) The apparatus attachable to a bicycle as recited in claim 19, wherein the platform is at least about 12 inches long. ### Claim 26 (depends on 19) The apparatus attachable to a bicycle as recited in claim 19, wherein the platform is at least about 18 inches long. ### Claim 27 A bicycle comprising: a frame supporting a seat, a front wheel, and including rearwardly extending frame members forming a rear wheel axle support frame on each side of a rear wheel rotating on a rear axle; a rigid support frame comprising a rearward portion, and a pair of spaced members integral with the rearward portion and extending forwardly for receiving the rear wheel, each of the spaced members including forward ends attachable to the rear wheel axle; a brace member attached at one end to the rigid support frame and extending forwardly and upwardly relative to the rearward portion of the rigid support frame, the forward end of the brace member attached to the bicycle frame; a rear member comprising a rearward end and a forward end attached to the rearward portion of the rigid support frame; an elongated platform rigidly attached to the rearward end of the rear member such that the platform extends transversely of the longitudinal axis of the bicycle frame; and a wheel assembly comprising at least one wheel, the wheel assembly attached to the platform such that the wheel rotates in parallel with the wheels of the bicycle, wherein the wheel assembly is adapted to be out of engagement with a surface upon which the bicycle is located when the front and rear wheels of the bicycle are in contact with the surface, and wherein the wheel assembly engages the surface at a point rearward of the bicycle upon rearward rotation of the bicycle about an axis extending through the rear wheel axle by raising the front wheel of the bicycle from the surface. ### Claim 28 (depends on 27) A bicycle as recited in claim 27, wherein the at least one wheel is about 1½ inches wide. ### Claim 29 (depends on 27) A bicycle as recited in claim 27, wherein the diameter of the at least one wheel is from about 1 to about 6 inches. ### Claim 30 (depends on 27) The bicycle as recited in claim 27, further comprising a second wheel assembly including at least one wheel and mounted on the platform, the first and second wheel assemblies being spaced apart and mounted at opposite ends of the platform. ### Claim 31 (depends on 30) The bicycle as recited in claim 30, wherein each wheel comprises an outside vertical edge, said edges being distanced from each other from about five to about sixteen inches. ### Claim 32 (depends on 27) The bicycle as recited in claim 27, wherein the platform is at least about 12 inches long. ### Claim 33 (depends on 27) The bicycle as recited in claim 27, wherein the brace member is pivotally attached at the one end to the rigid support frame. ### Claim 34 (depends on 27) The bicycle as recited in claim 27, wherein the platform is at least about 18 inches long. ### Claim 35 A bicycle comprising: a frame supporting a front wheel, and including rearwardly extending frame members forming a rear wheel axle support frame on each side of a rear wheel rotating on a rear axle; a rigid support frame comprising a proximal end and a distal end, the distal end of the rigid support frame attached to the bicycle frame; an elongated platform attached to the proximal end of the rigid support frame such that a portion of the platform extends substantially transversely on each side of the longitudinal axis of the bicycle frame; and a plurality of wheels operatively connected to the platform such that at least one wheel is positioned on both of the portions of the platform and substantially spaced from the longitudinal axis of the bicycle frame, and such that the wheels rotate in parallel with the front and rear wheels of the bicycle, wherein the wheels are adapted to be out of engagement with a surface upon which the bicycle is located when the front and rear wheels of the bicycle are in contact with the surface, and wherein the wheels engage the surface at a point rearward of the bicycle upon rearward rotation of the bicycle about an axis extending through the rear wheel axle by raising the front wheel of the bicycle from the surface. ### Claim 36 (depends on 35) The bicycle as recited in claim 35, wherein the plurality of wheels are about 1½ inches wide. ### Claim 37 (depends on 35) The bicycle as recited in claim 35, wherein the diameter of the plurality of wheels is from about 1 to about 6 inches. ### Claim 38 (depends on 35) The bicycle as recited in claim 35, wherein the at least one wheel positioned on both of the portions of the platform comprises an outside vertical edge, said edges being distanced from each other from about five to about sixteen inches. ### Claim 39 (depends on 35) The bicycle as recited in claim 35, wherein the platform is at least about 12 inches long. ### Claim 40 (depends on 35) The bicycle as recited in claim 35, further comprising a brace member having a proximal end and distal end, the proximal end of the brace member attached to the rigid support frame such that the brace member extends angularly from the rigid support frame for attachment of the distal end of the brace member to the bicycle frame. ### Claim 41 (depends on 40) The bicycle as recited in claim 40, wherein the brace member is pivotally attached at the one end to the rigid support frame. ### Claim 42 (depends on 35) The bicycle as recited in claim 35, wherein the platform is at least about 18 inches long.