# US 2014/0155204 A1 · Front derailleur > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155204 A1 - Document ID: US20140155204A1 - Status: Published application - Kind: A1 - Application number: 13/705,364 - Filed: 2012-12-05 - Published: 2014-06-05 - Earliest claimed: 2012-12-05 - Assignees: Shimano Inc. - Inventors: Atsuhiro EMURA; Kazuya KUWAYAMA; Kenkichi INOUE - Web page: https://patentgrep.com/patent/US20140155204A1 ## CPC - B62M 9/135: Mounting the derailleur on the frame - 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) ## Abstract A front derailleur unit basically includes a fixed member and a movable member. The fixed member is configured to be releasably attached to a plurality of different type mounting units. The different type mounting units is detachably attached to a bicycle frame. The movable member is movably supported to the fixed member to move with respect to the fixed member. ## Claims ### Claim 1 A front derailleur unit comprising: a fixed member configured to be releasably attached to a plurality of different type mounting units, the different type mounting units being detachably attached to a bicycle frame; and a movable member movably supported to the fixed member to move with respect to the fixed member. ### Claim 2 (depends on 1) The front derailleur unit according to claim 1, wherein the fixed member includes an attachment portion that is non-fixedly attached to the different type mounting units so that prevent relative movement between the fixed member and the different type mounting units. ### Claim 3 (depends on 2) The front derailleur unit according to claim 2, wherein the attachment portion includes one of a track and a slider that slidably engages the other of the track and the slider, which is formed on the different type mounting units. ### Claim 4 (depends on 3) The front derailleur unit according to claim 3, wherein the one of the track and the slider is arranged to provide relative movement between the fixed member and the different type mounting units toward at least one of a first direction and a second direction, which is opposite to the first direction, and the one of the track and the slider is further arranged to prevent relative movement between the fixed member and the different type mounting units toward third and fourth directions that are perpendicular to the first and second directions while the other of the track and the slider of one of the different type mounting units is engaged with the one of the track and the slider of the attachment portion. ### Claim 5 (depends on 4) The front derailleur unit according to claim 4, wherein the one of the track and the slider is arranged to prevent relative movement between the fixed member and the different type mounting units toward the second, third and fourth directions while the other of the track and the slider of one of the different type mounting units is engaged with the one of the track and the slider of the attachment portion. ### Claim 6 (depends on 3) The front derailleur unit according to claim 3, wherein the attachment portion includes the track that slidably engages the slider, which is formed on the different type mounting units. ### Claim 7 (depends on 2) The front derailleur unit according to claim 2, wherein the fixed member includes a base member and a motor unit, and the attachment portion is arranged at one of the base member and the motor unit. ### Claim 8 (depends on 7) The front derailleur unit according to claim 7, wherein the fixed member further includes a fixing portion having at least one fixing fastener receiving hole that receives a fixing fastener to selectively fix the fixed member to the different type mounting units. ### Claim 9 (depends on 8) The front derailleur unit according to claim 8, wherein the fixing portion is arranged at the other of the base member and the motor unit. ### Claim 10 (depends on 9) The front derailleur unit according to claim 9, wherein the attachment portion is arranged at the motor unit, and the fixing portion is arranged at the base member. ### Claim 11 (depends on 1) The front derailleur unit according to claim 1, wherein the fixed member includes a fixing portion having at least one fixing fastener receiving hole that receives a fixing fastener to selectively fix the fixed member to the different type mounting units. ### Claim 12 A front derailleur set comprising: a front derailleur unit including a fixed member, and a movable member movably supported to the fixed member to move with respect to the fixed member; and a plurality of different type mounting units configured to be detachably attached to a bicycle frame and to be selectively attached one at a time on the fixed member. ### Claim 13 (depends on 12) The front derailleur set according to claim 12, wherein the fixed member includes an attachment portion to which the different type mounting units are non-fixedly attached one at a time so as to prevent relative movement between the fixed member and the different type mounting units while the fixed member and the different type mounting units are attached to each other. ### Claim 14 (depends on 13) The front derailleur set according to claim 13, wherein the attachment portion includes one of a track and a slider that slidably engages the other of the track and the slider, which is formed on the different type mounting units. ### Claim 15 (depends on 14) The front derailleur set according to claim 14, wherein the one of the track and the slider is arranged to provide relative movement between the fixed member and the different type mounting units toward at least one of a first direction and a second direction, which is opposite to the first direction, and the one of the track and the slider is further arranged to prevent relative movement between the fixed member and the different type mounting units toward third and fourth directions that are perpendicular to the first and second directions while the other of the track and the slider of one of the different type mounting units is engaged with the one of the track and the slider of the attachment portion. ### Claim 16 (depends on 15) The front derailleur set according to claim 15, wherein the one of the track and the slider is arranged to prevent relative movement between the fixed member and the different type mounting units toward the second, third and fourth directions while the other of the track and the slider of one of the different type mounting units is engaged with the one of the track and the slider of the attachment portion. ### Claim 17 (depends on 14) The front derailleur set according to claim 14, wherein the attachment portion includes the track that slidably engages the slider, which is formed on the different type mounting units. ### Claim 18 (depends on 13) The front derailleur set according to claim 13, wherein the fixed member includes a base member and a motor unit, and the attachment portion is arranged at one of the base member and the motor unit. ### Claim 19 (depends on 18) The front derailleur set according to claim 18, wherein the fixed member further includes a fixing portion having at least one fixing fastener receiving hole that receives a fixing fastener to selectively fix the fixed member to the different type mounting units. ### Claim 20 (depends on 19) The front derailleur set according to claim 19, wherein the fixing portion is arranged at the other of the base member and the motor unit. ### Claim 21 (depends on 20) The front derailleur set according to claim 20, wherein the attachment portion is arranged at the motor unit, the fixing portion is arranged at the base member. ### Claim 22 (depends on 12) The front derailleur set according to claim 12, wherein the fixed member includes a fixing portion having at least one fixing fastener receiving hole that receives a fixing fastener to selectively fix the fixed member to the mounting units. ### Claim 23 (depends on 12) The front derailleur set according to claim 12, wherein the different type mounting units include a first mounting unit having a first clamp member disposed above the movable member with the front derailleur in an installed position. ### Claim 24 (depends on 12) The front derailleur set according to claim 12, wherein the different type mounting units include a second mounting unit having a second clamp member disposed below the fixed member with the front derailleur in an installed position. ### Claim 25 (depends on 12) The front derailleur set according to claim 12, wherein the different type mounting units include a third mounting unit having a frame fastener receiving hole that receives a frame fastener to selectively fix the third mounting unit to the bicycle frame. ### Claim 26 (depends on 25) The front derailleur set according to claim 25, wherein the frame fastener receiving hole is an elongated hole so that the third mounting unit is adjustably fixed to the bicycle frame. ### Claim 27 (depends on 12) The front derailleur set according to claim 12, wherein the different type mounting units include a fourth mounting unit having a first member configured to be fixed to a bottom bracket of the bicycle frame. ### Claim 28 (depends on 27) The front derailleur set according to claim 27, wherein the fourth mounting unit has a second member mounting the front derailleur unit and adjustably attached to the first member. ### Claim 29 A mounting unit for mounting a front derailleur unit to a bicycle frame, the mounting unit comprising: one of a track and a slider that slidably engages the other of the track and the slider, which is formed on the front derailleur unit. ### Claim 30 (depends on 29) The mounting unit according to claim 29, wherein the mounting unit includes the slider that slidably engages the track, which is formed on the front derailleur unit.