Fluid reservoir cap

摘要

A cap for closing a fill tube of a fluid container that includes fewer part and requires just a quarter turn between opened and closed positions. The cap has a lower plate for engagement with a free end of a fill tube and an upper plate that connects to a cover. The upper and lower plates have cooperating pawl and detent portions that form a ratchet member. Rotation of the cap by approximately a quarter turn moves the cap form an opened position to a closed position against the neck of a filler tube.

主权项

1. A cap for closing a fill tube of a fluid container, the cap comprising;
a lower plate that is configured on one surface to retain a sealing member in a position for engagement with a free end of the fill tube and has a raised appendage on a surface opposite the sealing member; an upper plate that has an upper surface, with an interior slot adapted for receiving the raised appendage and a plurality of perimeter slots, and a dependent free end projections that extend below the sealing member and draw the sealing member into contact with a free end of the fill tube; and, a cover that engages the plurality of perimeter slots and encloses the upper plate.