Master cylinder hydraulic reservoirs.

摘要

A hydraulic reservoir for a master cylinder for a vehicle includes a main body (10) having a compartment for storing brake fluid, a float (16) provided with a permanent magnet (17) in the compartment, and a reed switch (2) attached to the main body (10) outside the compartment, the reed switch (2) being actuated by the permanent magnet (17) when the float (16) is positioned below a predetermined level. A hollow (15) is provided in the main body (10) for attaching the reed switch (2) to the outside of the main body (10). The reed switch (2) is supported by a support member (6) in the hollow (15). A rubber bush (7) is tightly and elastically fitted to the inside wall of the hollow (15) and a fixing member (20) is fitted to the hollow (15) so as to urge the rubber bush (7) towards the support member (6). Terminals (5b) of the reed switch (2) are inserted tightly through holes in the rubber bush (7) such that the reed switch (2) is held in the hollow (15).