Dual hydraulic controller for bicycle components
AssigneeShimano Inc.
InventorsDaisuke Nago, Shinya Hirotomi, Masahiro Nakakura
Life of this patent
Estimating the term…
Abstract
A dual hydraulic controller apparatus comprises a housing, a first master cylinder disposed at the housing, and a second master cylinder disposed at the housing and coupled to the first master cylinder. The first master cylinder includes a first hydraulic chamber and a first piston disposed in the first hydraulic chamber for reciprocal movement therein. The second master cylinder includes a second hydraulic chamber and a second piston disposed in the second hydraulic chamber for reciprocal movement therein. A first operating member is coupled to the first piston for reciprocating the first piston, and a second operating member is coupled to the second piston for reciprocating the second piston.
Claims26
A dual hydraulic controller apparatus comprising:
- a housing;
- a first master cylinder disposed at the housing, wherein the first master cylinder includes:
- a first hydraulic chamber;
- and
- a first piston disposed in the first hydraulic chamber for reciprocal movement therein;
- a first operating member coupled to the first piston for reciprocating the first piston;
- a second master cylinder disposed at the housing and coupled to the first master cylinder, wherein the second master cylinder includes:
- a second hydraulic chamber;
- and
- a second piston disposed in the second hydraulic chamber for reciprocal movement therein;
- and
- a second operating member coupled to the second piston for reciprocating the second piston.
Dependencies are inferred from the claim text.