Pumping device with a clamping nozzle for various valves

Details Pumping device with a clamping nozzle for various valves Pumping device with a clamping nozzle for various valves

1997-05-19

1999-05-11

Freay, Charles G.

Pumps

Expansible chamber type

Having separate noncyclic valve

137231, F04B41/02

Patent

active

059020970

ABSTRACT:
A pumping device includes a tubular member and a piston reciprocatingly received in the tubular member, the piston together with the tubular member defining a chamber. A head is securely, sealingly mounted to an end of the tubular member. The head includes a compartment defined therein and in fluid communication with the chamber of the tubular member. An elastic nozzle is securely mounted in the compartment and includes a through hole for receiving a valve of a bicycle tire. The elastic nozzle further includes a recessed clamping section defined in an inner periphery thereof for securely clamping the valve during reciprocating motion of the piston in the tubular member.

REFERENCES:
patent: 1301508 (1919-04-01), Schroder
patent: 2939478 (1960-06-01), Dockrell
patent: 4153096 (1979-05-01), Kirk
patent: 4489855 (1984-12-01), Boetger
patent: 5316055 (1994-05-01), Brimmer
patent: 5715554 (1998-02-01), Downs et al.
patent: 5779457 (1998-07-01), Chuang et al.
patent: 5785076 (1998-07-01), You

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