Fluid handling – Inflatable article – With coupling means
Patent
1994-02-23
1995-01-10
Rivell, John
Fluid handling
Inflatable article
With coupling means
2511499, F16K 1520, F16L 2902
Patent
active
053797965
ABSTRACT:
An air pump head comprises a housing, a rotating member, a locating member, two leakproof rings, an elastic body, an opening member, a pressing member, and an end jacket. The housing is provided therein with a first receiving space and a second receiving space. The rotating member is disposed in the first receiving space and is fastened at one end thereof with the cylinder of the air pump. The body of the rotating member has a cam section corresponding in location to the second receiving space and further has an air duct in communication with the cam section. Two leakproof elements are attached to both ends of the rotating member to seal off the first receiving space. The elastic body is disposed in the second receiving space for engaging a tire air valve. The opening member and the pressing member are disposed in the second receiving space such that the opening member is connected with the elastic body and that the pressing member and the opening member are lapped together. The end jacket is fastened to the outer end of the second receiving space to ensure that the elastic body, the opening member and the pressing member are held securely in the second receiving space.
REFERENCES:
patent: 1266192 (1918-05-01), Anthony
patent: 1299398 (1919-04-01), Kahn
patent: 1442933 (1923-01-01), Firpo
patent: 1510980 (1924-10-01), Curtiss
patent: 2237559 (1941-04-01), Jenne
patent: 3826464 (1974-07-01), Berghofer
patent: 3926205 (1975-12-01), Gourlet
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