Hand air pump having two actuators

Details Hand air pump having two actuators Hand air pump having two actuators

1995-05-15

1996-07-09

Denion, Thomas E.

Expansible chamber devices

Plural unitarily mounted cylinders or frame therefor

417533, 417521, F01B 1900

Patent

active

055334369

ABSTRACT:
An air pump includes two operating rods slidably engaged in two cylinders and having an upper end extended outward of the cylinders. A block is secured to the upper ends of the operating rods. A coupler is rotatably secured to the upper portion of the block by a bolt. A hand grip includes a chamber for engaging with the coupler and is pivotally coupled to the coupler at a pivot shaft. The pivot shaft is perpendicular to the bolt so as to allow the hand grip rotating to a folded position.

REFERENCES:
patent: 167366 (1875-08-01), Tyler
patent: 785154 (1905-03-01), Cordeau
patent: 904940 (1908-11-01), Dahberg
patent: 1349218 (1920-08-01), Moon
patent: 1390559 (1921-09-01), Huntley
patent: 1527226 (1925-02-01), Rollins
patent: 4334839 (1982-06-01), Flagg

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