Suction nozzle unit

Details Suction nozzle unit Suction nozzle unit

1982-01-11

1984-07-17

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15416, A47L 906

Patent

active

044597207

ABSTRACT:
A suction nozzle unit for selectively aspirating dust from flat surfaces and from joints or edges has a connecting suction member, a body part connected with the latter and having two separate air passages provided with different cross-sections and forming a joint nozzle and a surface nozzle, and a switching element alternatingly communicating each of the passages with the connecting suction member to actuate a respective one of the nozzles. The connecting suction member is rotatably connected with the body part, and the surface nozzle is provided with a bristle-containing member.

REFERENCES:
patent: 2180694 (1939-11-01), Reed
patent: 2348861 (1944-05-01), Smellie
patent: 3750222 (1973-08-01), Johnson
patent: 4223419 (1980-09-01), Sato et al.
patent: 4332051 (1982-06-01), LaMonte

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