Dust extractor

Details Dust extractor Dust extractor

1995-04-27

1997-02-25

Bishop, Steven C.

Cutting by use of rotating axially moving tool

With product handling or receiving means

15339, 154151, 175209, B23B 4734

Patent

active

056054211

ABSTRACT:
A dust extractor (10) for use with a power drill comprises a housing (12) having two compartments (16) and (18) sealed from one another and a tube (26) extending from the opening (16) to an outlet (38). The tube (26) has a valve (28) having a recess (28A) enabling a flow of air to pass from the opening (16) to the outlet 38 whilst the vacuum is applied to the housing. Operation of the valve (28) enables waste material to be drawn from the working site and for suction to be released.

REFERENCES:
patent: 3033298 (1962-05-01), Johnson
patent: 3351143 (1967-11-01), Seibold et al.
patent: 4184226 (1980-01-01), Loevenich
patent: 4205728 (1980-06-01), Gloor et al.
patent: 4471884 (1984-09-01), Gallagher
patent: 4713858 (1987-12-01), Kelber

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