Pumping device with a pivotal lever for various valves

Details Pumping device with a pivotal lever for various valves Pumping device with a pivotal lever for various valves

1997-07-28

1998-10-13

Rivell, John

Fluid handling

Inflatable article

With coupling means

137223, F16K 1520, F16L 2902

Patent

active

058197818

ABSTRACT:
A pumping device includes a main body having a passage defined therein through which air passes and a head connected to the main body. A retainer is slidably received in the head and includes a first compartment defined therein for receiving a spring. An end of the retainer includes a conical recess defined therein. A nozzle is slidably mounted in the end of the retainer and includes an end attached to the spring. A nozzle head is securely mounted in an end of the head and includes a second compartment defined therein and in communication with the first compartment via the nozzle. The nozzle head includes a hollow conical section for engaging with the conical recess of the retainer. A lever is provided for switching the retainer between a first operative position in which the first compartment communicates with the passage and a second inoperative position in which the first compartment does not communicate with the passage.

REFERENCES:
patent: 2237559 (1941-04-01), Jenne
patent: 3926205 (1975-12-01), Gourlet
patent: 5379796 (1995-01-01), Wang
patent: 5666990 (1997-09-01), Wu
patent: 5749392 (1998-05-01), Glotin

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