TANK CAP OF FUEL TANK

PROBLEM TO BE SOLVED: To provide a tank cap of a fuel tank capable of preventing a sealing function from being reduced due to resonance of a spring member for use in biasing a packing member as a vehicle vibrates. SOLUTION: The tank cap of the fuel tank comprises: a tank cap body 1 that can be fixed...

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Bibliographic Details
Main Author OMURA SHUNSUKE
Format Patent
LanguageEnglish
Published 27.08.2009
Subjects
ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS
CYCLE SADDLES OR SEATS
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a tank cap of a fuel tank capable of preventing a sealing function from being reduced due to resonance of a spring member for use in biasing a packing member as a vehicle vibrates. SOLUTION: The tank cap of the fuel tank comprises: a tank cap body 1 that can be fixed to or removed from a fuel feeding port A of the fuel tank; a packing member 5 abutted against a substantial entire region of an edge part Aa of this fuel feeding port A under a state in which the tank cap body 1 is fixed to the fuel feeding port A; and coil springs 6 acting as spring members for biasing the packing member 5 against the edge part Aa of the fuel feeding port A to have a predetermined pressure and abutting it to the edge part Aa of the fuel feeding port A. The coil springs 6 (6a to 6d) are arranged at the tank cap body 1 and at the same time the coil springs (6a to 6d) have spring constants that are different from each other. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20080034012