Receptacles – Closures – Removable closure guided in rotary movement
Patent
1981-02-17
1982-07-13
Hall, George T.
Receptacles
Closures
Removable closure guided in rotary movement
220298, 220293, 220DIG33, B65D 4106, B65D 4136
Patent
active
043390552
ABSTRACT:
A tank closure, especially for a tank of a motor vehicle, with a bayonet cap having a pair of tension clamps. The tension clamps, during a rotation of the cap, are axially displaceable through the bayonet-type thread at the tank neck and are urged against the thread by a helical compression spring. The spring rests on a bracket of a closing pipe guided in a housing of the cap and joined thereto so that the spring urges the closing pipe, especially a flange associated therewith and covered with a sealing ring of rubber or the like, elastically resilient material onto an annular sealing surface of the tank neck. A self-lubricating synthetic resin spacer sleeve, that is, a sleeve which readily slides on metal, is inserted between the flange of the closing pipe and the pair of tension clamps. The spacer sleeve remains stationary during a turning of the cap and maintains, along a largest portion of a pivoting or turning angle of the cap up to a final range of turning, a predetermined spacing between the flange and the pair of tension clamps, which spacing is reduced in a final or locked condition of the cap.
REFERENCES:
patent: 4294375 (1981-10-01), Gerdes
patent: 4304339 (1981-12-01), Sakai
Daimler-Benz Aktiengesellschaft
Hall George T.
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