# US 10,870,463 B2 · Hydraulic operating device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,870,463 B2 - Document ID: US10870463B2 - Status: Granted - Kind: B2 - Application number: 16/114,142 - Filed: 2018-08-27 - Published: 2020-02-27 - Granted: 2020-12-22 - Earliest claimed: 2018-08-27 - Assignees: Shimano Inc. - Applicants: Shimano Inc. - Inventors: Kazuma Mori; Takuma Sakai; Masahiro Nakakura - Web page: https://patentgrep.com/patent/US10870463B2 ## CPC - B62L 3/023: {acting on fluid pressure systems} - B60T 7/102: {by means of a tilting lever} - B60T 11/16: Master control, e.g. master cylinders (master cylinders associated with vacuum boosters B60T13/565) - B60T 17/043: {Brake line couplings, air hoses and stopcocks} - B62J 11/00: Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps - B62K 23/06: Levers - B62L 5/006: {Details} - F16D 55/228: with a separate actuating member for each side - B62M 25/08: with electrical or fluid transmitting systems - B62L: BRAKES SPECIALLY ADAPTED FOR CYCLES {(arrangements in cycles for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions B60T8/00)} - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS - B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - 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 hydraulic operating device comprises a base member, an operating member, a piston, and a mounting member. The base member includes a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The first hose-attachment hole is configured to be in fluid communication with the cylinder bore. The second hose-attachment hole is configured to be in fluid communication with the cylinder bore. The mounting member includes a mount opening through which the handlebar is to extend. The mount opening has a mount center axis. The base member includes a support portion configured to contact an outer circumferential surface of the handlebar without clamping the handlebar in a mounting state where the handlebar extends through the mount opening of the mounting member. ## Claims ### Claim 1 A hydraulic operating device comprising: a base member including a cylinder bore, a first hose-attachment hole configured to be in fluid communication with the cylinder bore, and a second hose-attachment hole configured to be in fluid communication with the cylinder bore; an operating member including a proximal end portion and a distal end portion opposite to the proximal end portion, the operating member being pivotally coupled to the base member at the proximal end portion about a pivot axis; a piston movably provided in the cylinder bore and operatively coupled to the operating member to move relative to the base member in response to a pivotal movement of the operating member; and a mounting member configured to couple the base member to a handlebar, the mounting member including a mount opening through which the handlebar is to extend, the mount opening having a mount center axis, the base member including a support portion configured to contact an outer circumferential surface of the handlebar without clamping the handlebar in a mounting state where the handlebar extends through the mount opening of the mounting member, the support portion is closer to the pivot axis than to the mounting member, and the mounting member being provided between the first hose-attachment hole and the second hose-attachment hole in a mount axis direction parallel to the mount center axis as viewed along the pivot axis. ### Claim 2 (depends on 1) The hydraulic operating device according to claim 1, wherein the support portion is provided between the mounting member and the distal end portion of the operating member in a mount axis direction parallel to the mount center axis. ### Claim 3 (depends on 2) The hydraulic operating device according to claim 2, wherein the support portion is spaced apart from the mounting member in the mount axis direction as viewed along the pivot axis. ### Claim 4 (depends on 2) The hydraulic operating device according to claim 2, wherein the first hose-attachment hole is provided between the mounting member and the support portion in the mount axis direction as viewed along the pivot axis. ### Claim 5 (depends on 2) The hydraulic operating device according to claim 2, wherein the mounting member and first hose-attachment hole are provided between the second hose-attachment hole and the support portion in the mount axis direction as viewed along the pivot axis. ### Claim 6 (depends on 1) The hydraulic operating device according to claim 1, wherein the support portion is closer to the mount center axis than the first hose-attachment hole and the second hose-attachment hole as viewed along the pivot axis. ### Claim 7 (depends on 1) The hydraulic operating device according to claim 1, wherein the first hose-attachment hole faces toward the support portion as viewed along the pivot axis. ### Claim 8 (depends on 1) The hydraulic operating device according to claim 1, wherein the first hose-attachment hole is configured to be connected to an additional hydraulic operating device, and the second hose-attachment hole is configured to be connected to a hydraulic operated device. ### Claim 9 (depends on 1) The hydraulic operating device according to claim 1, further comprising a first hose connector configured to connect a first hydraulic hose to the first hose-attachment hole; and a second hose connector configured to connect a second hydraulic hose to the second hose-attachment hole. ### Claim 10 (depends on 9) The hydraulic operating device according to claim 9, wherein the first hose-attachment hole includes a first threaded hole, and the first hose connector includes a first threaded fastening sleeve threadedly engaged with the first threaded hole, and a first tubular bushing through which the first hydraulic hose is to pass in the first hose-attachment hole, the first tubular bushing being configured to be deformed during installation of the first threaded fastening sleeve to the first threaded hole. ### Claim 11 (depends on 9) The hydraulic operating device according to claim 9, wherein the second hose-attachment hole includes a second threaded hole, and the second hose connector includes a second threaded fastening sleeve threadedly engaged with the second threaded hole, and a second tubular bushing through which the second hydraulic hose is to pass in the second hose-attachment hole, the second tubular bushing being configured to be deformed during installation of the second threaded fastening sleeve to the second threaded hole. ### Claim 12 (depends on 1) The hydraulic operating device according to claim 1, further comprising an adjustment structure configured to adjust a rest position of the operating member with respect to the base member. ### Claim 13 A hydraulic operating device comprising: a base member including a cylinder bore having a cylinder center axis, a first hose-attachment hole configured to be in fluid communication with the cylinder bore, the first hose-attachment hole having a first center axis that is not parallel to the cylinder center axis, a second hose-attachment hole configured to be in fluid communication with the cylinder bore, the second hose-attachment hole having a second center axis that is not parallel to the cylinder center axis, and an additional hole configured to be in fluid communication with the cylinder bore; an operating member pivotally coupled to the base member about a pivot axis; a piston movably provided in the cylinder bore and operatively coupled to the operating member to move relative to the base member in response to a pivotal movement of the operating member; and a mounting member configured to couple the base member to a handlebar, the mounting member including a mount opening through which the handlebar is to extend, the mount opening having a mount center axis, wherein the additional hole is provided between the first hose-attachment hole and the second hose-attachment hole in a mount axis direction parallel to the mount center axis as viewed along the pivot axis. ### Claim 14 (depends on 13) The hydraulic operating device according to claim 13, wherein the first hose-attachment hole and the second hose-attachment hole are provided on a first axial side of the mount center axis in a pivot axis direction parallel to the pivot axis as viewed in the mount axis direction, and the additional hole is provided on a second axial side of the mount center axis in the pivot axis direction as viewed in the mount axis direction, the second axial side being provided on an opposite side of the first axial side relative to the mount center axis in the pivot axis direction. ### Claim 15 (depends on 13) The hydraulic operating device according to claim 13, wherein the additional hole is provided between the first hose-attachment hole and the cylinder bore so as to fluidly connect the first hose-attachment hole to the cylinder bore. ### Claim 16 (depends on 13) The hydraulic operating device according to claim 13, wherein the base member includes a connecting hole connecting the additional hole to the cylinder bore, the additional hole has a first diameter, and the connecting hole has a second diameter smaller than the first diameter. ### Claim 17 (depends on 13) The hydraulic operating device according to claim 13, further comprising a plug threadedly engaged with the additional hole. ### Claim 18 (depends on 13) The hydraulic operating device according to claim 13, further comprising a mounting member configured to couple the base member to a handlebar, the mounting member including a mount opening through which the handlebar is to extend, the mount opening having a mount center axis, wherein the operating member includes a proximal end portion and a distal end portion opposite to the proximal end portion, the operating member being pivotally coupled to the base member at the proximal end portion about the pivot axis, and the base member includes a support portion provided between the mounting member and the distal end portion of the operating member in a mount axis direction parallel to the mount center axis, the support portion being configured to contact an outer circumferential surface of the handlebar without clamping the handlebar in a mounting state where the handlebar extends through the mount opening of the mounting member. ### Claim 19 A hydraulic operating device comprising: a base member including a cylinder bore, a first hose-attachment hole configured to be in fluid communication with the cylinder bore, and a second hose-attachment hole configured to be in fluid communication with the cylinder bore; an operating member pivotally coupled to the base member about a pivot axis; a piston movably provided in the cylinder bore and operatively coupled to the operating member to move relative to the base member in response to a pivotal movement of the operating member; and a mounting member configured to couple the base member to a handlebar, the mounting member including a mount opening through which the handlebar is to extend, the mount opening having a mount center axis, the mounting member being provided between the first hose-attachment hole and the second hose-attachment hole in a mount axis direction parallel to the mount center axis as viewed along the pivot axis. ### Claim 20 (depends on 19) The hydraulic operating device according to claim 19, wherein the first hose-attachment hole is provided between the mount opening and the second hose-attachment hole in a perpendicular direction perpendicular to both the pivot axis and the mount center axis as viewed along the pivot axis. ### Claim 21 (depends on 19) The hydraulic operating device according to claim 19, wherein the operating member includes a proximal end portion and a distal end portion opposite to the proximal end portion, the operating member being pivotally coupled to the base member at the proximal end portion about the pivot axis, and the base member includes a support portion provided between the mounting member and the distal end portion of the operating member in a mount axis direction parallel to the mount center axis, the support portion being configured to contact an outer circumferential surface of the handlebar without clamping the handlebar in a mounting state where the handlebar extends through the mount opening of the mounting member.