Pipe joints or couplings – Elbow
Patent
1994-04-22
1995-07-18
Nicholson, Eric K.
Pipe joints or couplings
Elbow
285915, 285177, 285242, 137223, F16L 3500
Patent
active
054334888
ABSTRACT:
This invention relates to an adapter between standard bicycle air pumps and Presta type bicycle tire valves. The adapter comprises a flexible, non-permeable connection tube having two ends. A first adapter is placed at one end of the connection tube. This first adapter is configured to mate with a Schrader type valve assembly on a bicycle pump on one end and the connection tube on the other end. A second adapter is configured to closely mate with a male Presta type valve on one side and with the connection tube on the other side. The connection tube is optimally approximately five inches long and may include an anti-backup valve to prevent the increasing air pressure in the tire from working against the pump action. A spoke clip may be included to temporarily secure the connection tube to the spoke of the tire while the adapter is in use to prevent strain on the Presta type valve. Through use of the adapter taught herein, it is less likely that the bicyclist will sheer off or otherwise break a Presta type valve while re-inflating a bicycle tire.
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Gropper Daniel R.
Nicholson Eric K.
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