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US 6,202,882 B1Granted
Structure of fuel pouring inlet
AssigneeToyoda Gosei Co., Ltd.
InventorsHiroyuki Hagano, Masayuki Nakagawa
Life of this patent
Estimating the term…
Abstract
An elastic arm part is provided on an outer periphery of a cylinder part of a cap, and a projection is formed in an outer periphery of an opening part. When the cap is loosened, the arm part engages the projection and is elastically deformed and after releasing the engagement of the arm part and the projection, an engagement between a first screw part and a second screw part is released. Even if an engaging distance between a first screw part and a second screw part is short, the cap is prevented from rapidly opening, and it is possible to lengthen a time a fuel steam is slowly discharged from the opening part.
Claims6
A structure of a fuel pouring inlet comprising:
- (A) a cap comprising:
- a cover part;
- a cylinder part extending from said cover part;
- a ring shaped sealing part furnished to a side of said cylinder part of said cover part;
- and
- a first screw part defined in an outer peripheral face of said cylinder part;
- and
- (B) a filler neck pipe comprising:
- an opening part;
- and
- a second screw part defined in an inner peripheral face of said opening part, said cap closing said opening part by engaging the first screw part and the second screw part;
- (C) a first engaging part elastically deforming in one of a circumferential direction and a diameter direction, said first engaging part being provided in one of the outer peripheral face of said cylinder part and the inner peripheral face of the opening part, the first engaging part being elastically deformed only at the time of insertion and removal of the cap in said opening part but not being deformed while the cap is rotated;
- (D) a second engaging part engageable with said first engaging part , said second engaging part being provided in the other of the outer peripheral face of said cylinder part and the inner peripheral surface of the opening part;
- wherein, when mounting said cap, said first engaging part is engaged with said second engaging part and is elastically deformed, and after releasing the engagement of said first engaging part and said second engaging part, said first screw part and the second screw part are screwed whereby said cap is fitted and secured on said filler neck pipe, and
- wherein, when removing said cap, said first engaging part is engaged with said second engaging part and is elastically deformed, and after releasing the engagement of said first engaging part and said second engaging part, the engagement between said cap and said filler neck pipe is released.
12 more elements
A structure of a fuel pouring inlet comprising:
- (A) a cap comprising:
- a cover part;
- a cylinder part extending from said cover part;
- a ring shaped sealing part furnished to a side of said cylinder part of said cover part;
- and
- a first screw part defined in an outer peripheral face of said cylinder part;
- and
- (B) a filler neck pipe comprising:
- an opening part;
- and
- a second screw part defined in an inner peripheral face of said opening part, said cap closing said opening part by engaging the first screw part and the second screw part;
- (C) a first engaging part elastically deforming in one of a circumferential direction and a diameter direction, said first engaging part being provided in one of the outer peripheral face of said cylinder part and the inner peripheral face of the opening part;
- (D) a second engaging part engageable with said first engaging part, said second engaging part being provided in the other of the outer peripheral face of said cylinder part and the inner peripheral surface of the opening part;
- wherein, when mounting said cap, said first engaging part is engaged with said second engaging part and is elastically deformed, and after releasing the engagement of said first engaging part and said second engaging part, said first screw part and the second screw part are screwed whereby said cap is fitted and secured on said filler neck pipe,
- wherein, when removing said cap, said first engaging part is engaged with said second engaging part and is elastically deformed, and after releasing the engagement of said first engaging part and said second engaging part, the engagement between said cap and said filler neck pipe is released, and wherein said first engaging part comprises a convex part elastically deformable as rising and setting in a diameter direction from said outer peripheral face of said cylinder part, and said second engaging part comprises said second screw in itself, and said convex part passes said second screw part under a condition that it is set from said cylinder part, and when said convex part projects from said cylinder part, said convex part serves as said first screw part which is engageable with said second screw part.
12 more elements
Dependencies are inferred from the claim text.