Tire pump

Details Tire pump Tire pump

1991-11-26

1992-11-24

Smith, Leonard E.

Pumps

Expansible chamber type

Mechanically actuated distributor

417524, 417527, F04B 700, F04B 2104

Patent

active

051658763

ABSTRACT:
A tire pump comprises a first cylindrical body, a second cylindrical body, a two-way air admission piston, a piston rod, a first one-way valve, a hand grip, a second one-way valve, a third one-way valve, a fourth one-way valve, and an air valve connection head. The second cylindrical body is fitted to one end of the first cylindrical body. The two-way air admission piston is disposed in the first cylindrical body in such a way that it divides the first cylindrical body into two air-receiving spaces. The piston rod is secured to one end of the two-way air admission piston. The first one-way valve is disposed at one end of the first cylindrical body, while the second one-way valve and the third one-way valve are disposed at other end of the first cylindrical body. The fourth one-way valve and the air valve connection head are arranged at one end of the second cylindrical body.

REFERENCES:
patent: 2255305 (1939-08-01), Zehner
patent: 3904325 (1975-09-01), Olofsson
patent: 5051073 (1991-09-01), Newbold

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