Manually operated gear pump spray head

Details Manually operated gear pump spray head Manually operated gear pump spray head

1988-01-06

1988-08-30

Shaver, Kevin P.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222482, 239333, 418198, B05B 1100, B67D 542

Patent

active

047670339

ABSTRACT:
A spray head containing a gear pump for drawing liquid from a container and forcing same out of a nozzle. The gear pump comprises a pair of operatively engaged gears each rotatable about horizontal axes transverse to the axis of the nozzle. A ratchet wheel is axially secured to one of the gears and the ratchet and its gear are intermittently rotated about their common axis by a pawl member which is attached to a manually operable trigger which moves in a plane within the plane of the gears.

REFERENCES:
patent: 1061062 (1913-05-01), Freeland
patent: 2651545 (1953-09-01), Shotton
patent: 3993250 (1976-11-01), Shure
patent: 4013074 (1977-03-01), Siposs
patent: 4153203 (1979-05-01), Tada
patent: 4187959 (1980-02-01), Pelton
patent: 4232828 (1980-11-01), Shelly, Jr.

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