Lever pump with button actuator

Details Lever pump with button actuator Lever pump with button actuator

1979-04-11

1980-11-04

Spar, Robert J.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222340, 222380, 222505, B05B 1100

Patent

active

042314933

ABSTRACT:
A pumping system is provided in which actuation of a piston and cylinder device is provided by a combination of a button and a lever. The lever magnifies the force applied to the button so that the pumping system operates at high pressure when pumping liquid product. On the other hand, when pumping air in priming the pump, the pumping system operates at very low pressure so that air can escape from the pump easily to aid in priming the pump.

REFERENCES:
patent: 2521882 (1950-09-01), Swift et al.
patent: 2691548 (1954-10-01), Feucht et al.
patent: 2830745 (1958-04-01), Aicart
patent: 4138039 (1979-02-01), Micallef
patent: 4146155 (1979-03-01), Kutik et al.

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