Fluid level indicator

Claim 1

A fluid level indicator for a reservoir of a brake tandem master cylinder, comprising: a pair of vertically extending partition walls provided within said reservoir and defining three chambers; float means disposed within the middle chamber defined by said partition walls, said float means being reciprocated in response to changes in the level of the brake fluid within said chamber; fluid level indicating circuit means for indicating the fluid level in response to the movement of said float means when the fluid level attains a predetermined level; said fluid level indicating circuit means including a reed switch positioned at said predetermined fluid level and actuated by means of a magnet incorporated within said float means; said pair of partition walls being provided with communication bores at a position just below said predetermined fluid level for communicating said three chambers with one another; wherein, said reservoir is provided with a first cap member detachably mounted upon the top of said reservoir and a second and third cap member detachably mounted to said reservoir adjacent to and located on opposite sides of said first cap member, respectively; said first cap member being provided with a dependent cylindrical stepped projection extending into said middle chamber of said reservoir;