Claims
- 1. An indicator for use on a fluid distributing tank using a flexible bladder comprising:a pin with first and second ends; the first end contacting the flexible bladder and moving consonant therewith; a pin receiver mounted on the tank, the pin receiver slidably receiving the second end of the pin; an open portion on the receiver allowing the user to observe the position of the pin.
- 2. The indicator of claim 1 wherein the open portion is a sight glass.
- 3. The indicator of claim 1 wherein the pin length is such that the pin will become visible through the open portion only when the bladder nears the top of the tank.
- 4. The indicator of claim 1 wherein the second end has a catch that prevents the pin from falling into the tank when the bladder is not near the top of the tank.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a divisional of co-pending U.S. patent application Ser. No. 09/935,741, filed Aug. 22, 2001.
US Referenced Citations (6)
Non-Patent Literature Citations (1)
Entry |
Raybesto's Operating Manual; Model BSE-300 Brake Bleeder; Date: Unknown. |