Gas separation – Flexible or collapsible bag type – Valved – self-closing – or apparatus contained bag closing means
Patent
1994-11-14
1995-12-05
Bushey, C. Scott
Gas separation
Flexible or collapsible bag type
Valved, self-closing, or apparatus contained bag closing means
15347, 55377, 55DIG2, B01D 4600
Patent
active
054724651
ABSTRACT:
A vacuum cleaner filter bag has a connection member, whose side edge parts are adapted to be inserted into holding grooves in the vacuum cleaner. A substantially tabular or plate-like, board-like, stiff main body of the connection member possesses a fitting opening for fitting same onto the connector tube of a vacuum cleaner. The main body carries and guides a closing slide with a passage opening, which is able to be drawn out from an open position clearing the fitting opening into a closed setting by way of a handle part. On the side edge parts there is respectively a holding rail able to be inserted into the adjacent vacuum cleaner groove, such holding rail extending from the front to the rear as far as a rail attachment point. The holding rails are connected with the main body at the rail attachment point but otherwise separated or separable from the same. In the position of use the main body part extending from the rail attachment points (starting from the latter) as far as the front end, is able to be pivoted out of the plane of the holding rails so that the fitting opening comes clear of the connector tube and the closing slide is able to be drawn into the closed setting.
REFERENCES:
patent: 2758667 (1956-08-01), Brace
patent: 2864462 (1958-12-01), Brace
patent: 3483679 (1969-12-01), Balbierer
patent: 3675399 (1972-07-01), Westergren
patent: 4738697 (1988-04-01), Westergren
patent: 5158635 (1992-10-01), Schmierer et al.
Branofilter GmbH
Bushey C. Scott
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