Pressure gauge for pumps, particularly hand pumps for bicycles,

Fluid handling – Inflatable article – With gauge or indicator

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Details

417 63, 731463, F16K 3700, F04B 2100

Patent

active

051672502

ABSTRACT:
Pressure gauge for pumps, particularly hand pumps for bicycles, motorcycles or the like, including a cylinder sealingly connected between the outlet of the pump and the coupling for the valve of the tire; a piston is mounted inside the cylinder so that it can move in contrast with an elastic lamina and is connected to a rack which meshes with a rotatable sprocket with which a radial protrusion, provided with a pointer for indicating the pressure on a granduated scale, is rigidly associated.

REFERENCES:
patent: 1283305 (1918-10-01), Rhonemus
patent: 1310876 (1919-07-01), Savage et al.
patent: 1400848 (1921-12-01), Anderson
patent: 1425614 (1922-08-01), Stickel
patent: 1688681 (1928-05-01), Kirlin
patent: 1750214 (1930-03-01), Davis
patent: 2168145 (1939-08-01), Willis
patent: 3907461 (1975-09-01), Bouder
patent: 4120614 (1978-10-01), Bouder
patent: 4583917 (1986-04-01), Shah

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