Pipe joints or couplings – Vacuum cleaner type
Patent
1981-05-26
1983-09-20
Weakley, Harold W.
Pipe joints or couplings
Vacuum cleaner type
285177, 285 12, 137223, 15405, 15415R, A47L 924
Patent
active
044051581
ABSTRACT:
An air-filler adapter is provided wherein an outer shell is adapted to fit various large diameter air supply hoses such as vacuum cleaner hoses, and a smaller diameter stem portion fits a variety of low pressure and medium pressure air filler openings used to inflate various inflatable consumer goods. The stem portion extends beyond the outer shell and has an outer tip which is adaptable to various air filler valves which are smaller than the vacuum cleaner hoses.
The adapter comprises a pair of concentrically disposed tubes, the inner of which fits schrader air chucks on one end and fits the air filler openings for the consumer goods on the other end. The outer tube is sized to fit low-pressure pressurized air sources such as vacuum cleaner hoses and has an end wall which seals against the outside of the inner tube.
REFERENCES:
patent: 1702322 (1929-02-01), Snowdon
patent: 2131721 (1938-09-01), Hale
patent: 3368302 (1968-02-01), Martino
patent: 3933177 (1976-01-01), Dwyer
patent: 4114230 (1978-09-01), MacFarland
patent: 4120129 (1978-10-01), Nagler
patent: 4133312 (1979-01-01), Burd
patent: 4171119 (1979-10-01), Lamson
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