# US 2014/0196569 A1 · Composite bicycle component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196569 A1 - Document ID: US20140196569A1 - Status: Published application - Kind: A1 - Application number: 13/739,532 - Filed: 2013-01-11 - Published: 2014-07-17 - Earliest claimed: 2013-01-11 - Assignees: Shimano Inc. - Applicants: Shimano Inc. - Inventors: Tetsu NONOSHITA; Toyoshi YOSHIDA; Wataru YAMAUCHI - Web page: https://patentgrep.com/patent/US20140196569A1 ## CPC - B62M 3/00: Construction of cranks operated by hand or foot - B62K 19/16: the material being wholly or mainly of plastics - Y10T 74/2165: with attached gear - B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16) - B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A composite bicycle component includes a first member made of a metallic material. The first member has a surface with a first dimple. The first dimple includes a second dimple that is formed on the first dimple. Preferably, the composite bicycle component further includes a second member attached to the first member so that a part of the second member extends into the first and second dimples. ## Claims ### Claim 1 A composite bicycle component comprising: a first member made of a metallic material, the first member having a surface with a first dimple, the first dimple including a second dimple formed on the first dimple. ### Claim 2 (depends on 1) The composite bicycle component according to claim 1, further comprising a second member including at least a portion being made of a resin. ### Claim 3 (depends on 2) The composite bicycle component according to claim 2, wherein the resin of the second member extends into the first and second dimples of the first member that creates an anchor effect to fix the first and second members to each other. ### Claim 4 (depends on 1) The composite bicycle component according to claim 1, wherein the first member has a plurality of the first dimples. ### Claim 5 (depends on 4) The composite bicycle component according to claim 4, wherein the first member has a plurality of the second dimples formed on each of the plurality of the first dimples. ### Claim 6 (depends on 1) The composite bicycle component according to claim 1, wherein the first member has a plurality of the second dimples formed on the first dimple. ### Claim 7 (depends on 1) The composite bicycle component according to claim 1, wherein the first dimple has a maximum dimension that is larger than a maximum dimension of the second dimple. ### Claim 8 (depends on 1) The composite bicycle component according to claim 1, wherein the maximum dimension of the first dimple is equal to or smaller than two microns. ### Claim 9 (depends on 8) The composite bicycle component according to claim 8, wherein the maximum dimension of the second dimple is equal to or smaller than 0.2 micron. ### Claim 10 (depends on 1) The composite bicycle component according to claim 1, wherein the maximum dimension of the second dimple is equal to or smaller than 0.2 micron. ### Claim 11 (depends on 2) The composite bicycle component according to claim 2, wherein the first and second members are attached to each other by an integral molding process. ### Claim 12 (depends on 2) The composite bicycle component according to claim 2, wherein the first and second members are attached to each other by adhesive. ### Claim 13 (depends on 1) The composite bicycle component according to claim 1, wherein the composite bicycle component being manufactured by the process of: forming the first dimple and the second dimple on the first member. ### Claim 14 (depends on 1) The composite bicycle component according to claim 1, wherein the composite bicycle component is a bicycle crank arm. ### Claim 15 (depends on 1) The composite bicycle component according to claim 1, wherein the composite bicycle component is a bicycle sprocket. ### Claim 16 (depends on 1) The composite bicycle component according to claim 1, wherein the composite bicycle component is a bicycle crank axle. ### Claim 17 A composite bicycle component comprising: a first member made of metallic material, the first member having a surface with a first dimple, the first dimple including a second dimple formed on the first dimple; and a second member including at least a portion being made of a resin, the resin of the second member extending into the first and second dimples of the first member to fix the first and second members to each other. ### Claim 18 (depends on 17) The composite bicycle component according to claim 17, wherein the first member has a plurality of the first dimples. ### Claim 19 (depends on 18) The composite bicycle component according to claim 18, wherein the first member has a plurality of the second dimples formed on each of the plurality of the first dimples. ### Claim 20 (depends on 17) The composite bicycle component according to claim 17, wherein the first member has a plurality of the second dimples formed on the first dimple. ### Claim 21 (depends on 17) The composite bicycle component according to claim 17, wherein the first dimple has a maximum dimension that is larger than a maximum dimension of the second dimple. ### Claim 22 (depends on 17) The composite bicycle component according to claim 17, wherein the maximum dimension of the first dimple is equal to or smaller than two microns. ### Claim 23 (depends on 22) The composite bicycle component according to claim 22, wherein the maximum dimension of the second dimple is equal to or smaller than 0.2 micron. ### Claim 24 (depends on 17) The composite bicycle component according to claim 17, wherein the maximum dimension of the second dimple is equal to or smaller than 0.2 micron. ### Claim 25 (depends on 17) The composite bicycle component according to claim 17, wherein the first and second members form a composite bicycle crank arm. ### Claim 26 (depends on 17) The composite bicycle component according to claim 17, wherein the first and second members form a composite bicycle sprocket. ### Claim 27 (depends on 17) The composite bicycle component according to claim 17, wherein the first and second members form a composite bicycle crank axle. ### Claim 28 (depends on 17) The composite bicycle component according to claim 17, wherein the composite bicycle component being manufactured by the process of: forming the first dimple and the second dimple on the first member; attaching the first and second members to each other by an integral molding process so that the resin of the second member at least partially extends into the first and second dimples of the first member.