Tire pump

Details Tire pump Tire pump

1997-05-19

1999-02-23

Thorpe, Timothy

Pumps

Successive stages

Reciprocating rigid stages

417467, 417469, F04B 1902

Patent

active

058737057

ABSTRACT:
A tire pump includes a head portion with a tubular portion extending therefrom and a main passage is defined through the head portion and communicates with the tubular portion, a connecting member slidably mounted to the tubular portion and having at least one first passage defined therethrough, a first cylinder retractably mounted to the tubular portion and having one of two ends fixedly connected to the connecting member and a first member slidably received therein which is fixedly connected to a free end of the tubular portion and detachably connected to the connecting member by an actuating device and has a uni-directional valve disposed therein. At least one second cylinder is retractably mounted to the first cylinder and has a second member slidably received therein which has a uni-directional valve disposed therein and a portion fixedly received in the other end of the first cylinder. A third member is fixedly received in the second cylinder and has a uni-directional valve disposed thereto.

REFERENCES:
patent: 5443370 (1995-08-01), Wang

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