Manual device for delivering a viscous fluid

Details Manual device for delivering a viscous fluid Manual device for delivering a viscous fluid

1998-10-09

2000-02-29

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having intra-oral dispensing means

433 80, 433 81, A61C 110, A61C 1702

Patent

active

060302143

ABSTRACT:
The invention pertains to a device (10) for delivering a viscous fluid. The device features a housing (14), pistons (58,60) which act on containers (22,24) having the viscous fluid therein, a rotational drive unit (12) which moves the pistons (58,60) in a translational sense in the direction of a flow channel open towards the containers (22,24). The drive unit is arranged in a motor housing (81) separate from the housing (14). A gear assembly (68,70,72,76) converts the rotational drive motion into a translational motion of the pistons (58,60) towards a flow channel (52) which connects to a nozzle (30) and the delivery opening in the container (22,24). A coupling (82) is provided by which the rotational drive unit (12) can be decoupled from the gear assembly (68,70,72,76).

REFERENCES:
patent: 3989952 (1976-11-01), Hohmann
patent: 4493646 (1998-01-01), Lacour et al.

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