Back to results
US 10,882,584 B2Granted
Hydraulic operating device
AssigneeShimano Inc.
InventorsKazuma Mori, Takuma Sakai, Masahiro Nakakura
Life of this patent
Estimating the term…
Abstract
A hydraulic operating device comprises a base member, an operating member, and a piston. The base member includes a first end portion, a second end portion, a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The second end portion is opposite to the first end portion. 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 operating member is pivotally coupled to the base member at the first end portion about a pivot axis. The first hose-attachment hole and the second hose-attachment hole are provided closer to the pivot axis than the second end portion.
Claims23
A hydraulic operating device comprising:
- a base member including
- a first end portion,
- a second end portion opposite to the first end portion,
- a cylinder bore provided at least partly between the first end portion and the second end portion, the 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, and
- 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;
- an operating member pivotally coupled to the base member at the first 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 first hose-attachment hole and the second hose-attachment hole being provided closer to the pivot axis than the second end portion is provided to the pivot axis,
- both of the first center axis and the second center axis are non-coaxial to the cylinder center axis,
- the piston and the cylinder bore defining a hydraulic chamber with which the first hose-attachment hole and the second hose-attachment hole are in fluid communication, and
- the mounting member being arranged between the first hose-attachment hole and the second hose-attachment hole along the mount center axis.
11 more elements
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 non-parallel to a cylinder axis direction parallel to the cylinder center axis, and
- 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 non-parallel to the cylinder axis direction;
- 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,
- both of the first center axis and the second center axis are non-coaxial to the cylinder center axis,
- the piston and the cylinder bore defining a hydraulic chamber with which the first hose-attachment hole and the second hose-attachment hole are in fluid communication, and
- the mounting member being arranged between the first hose-attachment hole and the second hose-attachment hole along the mount center axis.
8 more elements
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, and
- 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;
- 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 first center axis and the second center axis being non-perpendicular to the pivot axis as viewed in a perpendicular direction perpendicular to both the pivot axis and the mount center axis,
- both of the first center axis and the second center axis are non-coaxial to the cylinder center axis,
- the piston and the cylinder bore defining a hydraulic chamber with which the first hose-attachment hole and the second hose-attachment hole are in fluid communication, and
- the mounting member being arranged between the first hose-attachment hole and the second hose-attachment hole along the mount center axis.
9 more elements
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, and
- 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;
- 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,
- at least one of the first hose-attachment hole and the second hose-attachment hole facing toward the mount center axis of the mount opening as viewed along the pivot axis,
- both of the first center axis and the second center axis are non-coaxial to the cylinder center axis, and
- the piston and the cylinder bore defining a hydraulic chamber with which the first hose-attachment hole and the second hose-attachment hole are in fluid communication, and
- the mounting member being arranged between the first hose-attachment hole and the second hose-attachment hole along the mount center axis.
9 more elements
Dependencies are inferred from the claim text.