Metering dispenser

Details Metering dispenser Metering dispenser

1988-01-14

1988-10-25

Huppert, Michael S.

Dispensing

With discharge assistant

Container with follower

604210, 604224, 74169, B67D 542

Patent

active

047797703

ABSTRACT:
A metering device for dispensing a flowable substance from a container 10, in which a piston 11 with a piston rod 12 having a toothed portion 16 is disposed, includes a socket 17 adapted to be fixed to the container 10, an actuation lever 18 pivotal relative to the socket 17, a return spring 19 biassing the lever 18 to its rest position, an indexing detent 20 for advancing the piston rod 12 upon depression of the lever 18, and a retaining detent 21 for retaining the piston rod 12 in its respective position when the actuation lever 18 is released. The socket 17, actuation lever 18, reset spring 19, indexing detent 20 and retaining detent 21 are formed as one integral part injection-molded from synthetic resin. The socket 17 includes a slide 25 for fixing the part to a flange 14 provided at the rear end of the container 10.

REFERENCES:
patent: 3221409 (1965-12-01), Thiel et al.
patent: 3517668 (1970-06-01), Brickson
patent: 3977574 (1976-08-01), Thomas
patent: 4432474 (1984-02-01), Hutchinson et al.

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