Self-contained handheld drain clearing compressed air device

Details Self-contained handheld drain clearing compressed air device Self-contained handheld drain clearing compressed air device

2008-04-01

2008-04-01

Hail, III, Joseph J. (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S407000

Reexamination Certificate

active

07350265

ABSTRACT:
A self-contained handheld drain clearing device is provided that uses compressed air to unblock various household drains and pipes. The device comprises an upper body and a lower body. The upper body includes a cylindrical chamber for housing a manual pump. A one-way inlet valve allows compressed air to enter a collection chamber, from which it exits to a storage chamber through a small hole in a piston. A trigger component is located in the upper body of the device, as is a pressure release safety component included for user protection. The lower body of the device primarily serves as a storage area for compressed air, containing an upper end and a lower end. The upper end contains threads for joining the lower body with the upper body, while the lower end contains a fitting for receiving various drain-sealing adapters.

REFERENCES:
patent: 4282852 (1981-08-01), Omana
patent: 6203397 (2001-03-01), Applewhite et al.

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