Fluid reservoir cap
First Claim
Patent Images
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.
2 Assignments
0 Petitions
Accused Products
Abstract
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.
6 Citations
10 Claims
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1. A cap for closing a fill tube of a fluid container, the cap comprising;
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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. - View Dependent Claims (2, 3)
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4. A cap for closing a fill tube of a fluid container, the cap comprising;
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a lower plate with a lower side that retains a sealing member in a position for engagement with a free end of the fill tube, an opposite upper side that includes an arcuate appendage of a first length, and a central aperture; an upper plate that has an upper surface with an arcuate slot that has a length that is at least twice the first length and receives the arcuate appendage and a lower surface with a depending free end that fits within the central aperture, extends below the sealing member, and includes projections that engage with a free end of the fill tube and draw the sealing member into contact with a free end of a fill tube; and
,a cover that encloses the upper plate. - View Dependent Claims (5, 6)
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7. A cap for closing a fluid container fill tube, the cap comprising;
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a first plate that has a lower surface with depending projections that are spaced at a predetermined distance from a lower surface tube, and a raised appendage on a surface opposite to the lower surface; a sealing member that abuts the lower surface and is retained by the depending projections in position for engagement with a free end of the fill tube; an upper plate that has an upper surface, with an interior slot adapted for receiving the raised appendage, and a dependent free end projections that extend below the sealing member and draw the sealing member into contact with the free end of the fill tube; and
,a cover that engages and encloses the upper plate. - View Dependent Claims (8, 9)
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10. A cap for closing a fill tube of a fluid container that is rotatable between opened and closed positions, the cap comprising;
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a cover that includes a defined gripping portion; a first plate that has a lower surface with depending projections that are spaced at a predetermined distance from the lower surface tube, and a raised appendage on a surface opposite to the lower surface; a sealing member that abuts the lower surface and is retained by the depending projections in position for engagement with a free end of the fill tube; and
,an upper plate that has an upper surface, with an interior slot adapted for receiving the raised appendage, and a dependent free end projections that extend below the sealing member and draw the sealing member into contact with the free end of the fill tube; wherein the cover engages the upper plate and the defined gripping portion rotates the cap between opened and closed positions.
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Specification