Abstract: A bag-based filtering device for collecting debris from a cleaning robot via a debris evacuation station includes a filter bag configured to separate at least the portion of the evacuated debris from a flow of air generated by the evacuation station. The filtering device includes a conduit extending inward from an opening of the filter bag into the receptacle. The conduit is configured to pneumatically connect a receptacle of the filtering device with an inlet of the filtering device to direct the flow of air generated by the evacuation station through the filter bag to separate at least the portion of the evacuated debris from the flow of air.

Abstract: A method for mixing includes releasably coupling a first container station to a docking station, the first container station having a shipping vessel bounding a compartment, the docking station having a stand and a drive motor assembly adjustably mounted to the stand. The vertical or horizontal position of the drive motor assembly is adjusted relative to the stand so that the drive motor assembly is in a first position. A drive shaft is advanced through the drive motor assembly and into a chamber of a first collapsible bag disposed within the compartment of the shipping vessel. The drive motor assembly is activated so that the mixer rotates the drive shaft causing mixing of the fluid within the first collapsible bag.

Abstract: An air gill bag of a debris collection and disposal system (or lawn care leaf and debris collection system) for receiving a leaves, yard debris and other types of suitable debris for containment for subsequent disposal. The air gill bag comprises an elongated bag body which includes an open top, a closed bottom, a plurality of air gill cut strips, and a plurality of strength strips. In the preferred embodiment, the air gill cut strips and the strength strips form columns of perforated and non-perforated surface material. Such a configuration allows the propelled air directed into the bag to be ventilated through the bag and debris directed into the bag to be trapped, with the bag still retaining much of its durability and tear resistance despite presence of extensive perforations. The air gill bag is typically attached to the vacuum bag outlet of a machine blower using a dual attachment strap.

Abstract: A reusable aftermarket particulate collection member for use with an otherwise conventional floor vacuum cleaner. The collection member is formed of a size, shape and configuration as to be an aftermarket replacement for a conventional, disposable paper type vacuum filter bags used with said conventional vacuum cleaners. An open end is formed on the collection member, and the collection member is further formed of a woven and/or nonwoven fabric. Said member having a slip clamp fastener arrangement for sealing the open end during use, but for allowing said opening to permit egress of collected contents. An entry portal formed within a sidewall of said collection member is circumscribed by a rigid mounting plate adapted to allow for securement to a hose inlet.

Abstract: The present invention relates to a vacuum cleaner filter bag comprising an inlet opening, a retaining plate, which is situated on the exterior of the bag in the vicinity of the inlet opening and can be attached to a retaining device of a vacuum cleaner in order to fix the vacuum cleaner filter bag, and a closing device situated in the vicinity of the inlet opening, which is configured in such a way that it adopts a first position when the retaining plate is not attached to the retaining device and a second position by the attachment of the retaining plate to the retaining device, wherein the inlet opening is closed in the first position of the closing device and is open in the second position of the closing device.

Abstract: A vacuum cleaner with bag mount and disposable bag is described. In some embodiments, the vacuum bag may include a semi-permeable dirt bag having a top edge, a generally flat collar having a top edge, and a first opening in the collar configured to accept a dirty air nozzle, where the top edge of the vacuum bag does not extend beyond the top edge of the collar. In some embodiments, the vacuum cleaner may include a dirty air nozzle, a vacuum bag having a substantially rigid collar including a dirty air opening, and at least one void used for alignment of the collar; a mounting member releasably connected to the vacuum cleaner and movable between a loading position and a fully closed position, and a latch to releasably retain a top edge of the collar to keep the mounting member in the fully closed position.

Abstract: The invention relates to a vacuum cleaner filter bag, comprising a first bag wall containing a filter material and a second bag wall containing a filter material. The first and the second bag walls are joined together along the periphery thereof such that the vacuum cleaner filter bag is completely closed. Said filter material of the first and the second bag walls is made of a non-woven fabric. The vacuum cleaner filter bag comprises an inlet through which the air which is to be filtered can flow into the vacuum cleaner filter bag, also comprising a retaining plate. Said vacuum cleaner filter bag is characterised in that the first and/or the second bag wall comprises at least five folds.

Abstract: A vacuum cleaner including a nozzle, an air conduit including a projecting tube, a suction source positioned to provide a flow of dirty air, a bag docking assembly, and a filter bag coupled to the bag carrier. The bag docking assembly includes a main body mounted to the air conduit. A bag carrier is configured to engage the main body and configured to move between a first position and a second position. A lever is coupled to the main body and the bag carrier and the lever is configured to move the bag carrier between the first position and the second position. The bag docking assembly is configured such that when the bag carrier is in the first position, the filter bag is not engaged with the projecting tube and when the bag carrier is in the second position, the filter bag is engaged with the projecting tube.

Abstract: The invention relates to a filter arrangement comprising a plate-shaped filter holder (12) provided with at least one stem-type protruberance (13) having an opening (11) said filter holder (12) being used to receive a filter element (14) in a sealed manner for each protuberance on the raw gas side of the filter holder. In order to ensure that the filter is changed easily with sufficient filtering safety, each filter element (14) is provided with an adapter collar (15) comprising at least one limb (15B; 15D) parallel to the protruberances. Said limb can be placed, from the raw gas side, inside or over the protruberance. A sealing arrangement (16) provided comprises sealing elements (16A, 16B) which are parallel to both the plates and to the protruberances and are used for the at least partial join between the protruberance and the adapter collar.

Abstract: A holding plate for a vacuum cleaner bag is provided. The holding plate includes a base plate with an opening, a closing element pivotably arranged on the base plate, and a spring element having a bending angle (B) that upon pivoting of the closing element in an opening direction from a first position to a second position in which the opening is opened, in a predetermined pivoting angle range that is smaller than the corresponding opening angle (* ?) of the closing element, wherein the closing element can be brought from the second position into the first position by the restoring force of the spring element in the direction opposite to the opening direction, and wherein the spring element is located behind the locking element in the opening direction.

Abstract: A leaf and lawn vacuum bagger has a housing that is attached to the exhaust outlet of a conventional leaf and lawn blower/vacuum or mulching device, and a conventional disposable trash bag is releasably attached to the housing for capturing the vacuumed yard debris. When the disposable bag is full or otherwise, it may be easily detached and another disposable bag easily affixed to collect more vacuumed leaf and yard debris. Alternatively, the vacuumed leaf and lawn debris can be collected and retained in the housing for later removal.

Abstract: A vacuum bag (10) attachment device and method. One embodiment provides a device for attaching a vacuum bag to a suction port of a vacuum cleaner (11), wherein the vacuum cleaner has a fixation projection (22) positioned adjacent the suction port (17). The attachment device comprises a holding plate (12) having a first aperture (15) configured and adapted to be received on the suction port of the vacuum. The holding plate also has a hinged portion (18) with a second aperture (21) positioned within the hinged portion. The hinged portion is moveable between a first position in which the hinged portion does not secure the holding plate to the vacuum and a second position in which the hinged portion secures the holding plate to the vacuum. The second aperture is configured and dimensioned to be received on the projection (22) adjacent the suction port of the vacuum cleaner when the hinged portion is in the second position.

Abstract: A vacuum bag includes a container portion having at least one opening. A threaded fitting is disposed in communication with the at least one opening, and the threaded fitting is configured for attachment to a vacuum nozzle of a vacuum cleaner.

Abstract: A vacuum cleaner includes a housing, a suction generator carried by the housing, a bag compartment and a bag cage. The bag compartment is defined by a bag compartment wall including an airflow inlet and an airflow outlet. The bag cage is received in the bag compartment. The bag cage defines a bag cavity that hold a filter bag in a position spaced from the bag compartment wall so as to maintain a clear airflow passage.

Abstract: A filter element (10) is disclosed having a integral clamp (100) thereon. The adjustable clamp (100) is held against a sleeve (90) by attached tabs (91). The sleeve (90) covers a collar (70) with a plurality of fingers (72) thereon. A high head, e.g., the apex, formed by a bead (80) in the fingers (72) permits better sealing between the filter (10) and the filter's support housing.

Abstract: A vacuum cleaner dirt containment system with a bag chamber having an open end, an outlet adapted to be in fluid communication with a vacuum fan inlet located on the vacuum cleaner housing, and a plurality of locator ribs extending from an inner wall of the bag chamber. Each locator rib has a landing adjacent an inner wall of the bag chamber, and a pin located inward of the landing and extending from the landing towards the open end of the bag chamber. A filter bag assembly is adapted to be inserted into the bag chamber, and has a flange attached to an open end of a permeable filter bag. A flange air inlet passes through the flange into the bag. The flange has openings located to be inserted over the locator rib pins, and support segments located to abut the locator rib landings. The lid is selectively attachable to the open end of the bag chamber, and includes an air inlet mounting tube that extends into the flange air inlet when the lid is attached to the open end of the bag chamber.

Abstract: A vacuum cleaner bag filter with one or more filter walls forming a generally air permeable enclosure having a bag opening through it, and a flange attached to the one or more filter walls to cover the bag opening. The filter walls have a working surface area through which air can pass during use, and the flange is a relatively rigid structure having an air inlet passing into the air permeable enclosure. One or more deodorizing sheets are attached to an inner surface of the one or more filter walls. The deodorizing sheets include a first sheet layer, and sodium bicarbonate particles operatively associated with the first sheet layer. The deodorizing sheets may cover less than about 30% of the working surface area, a single deodorizing sheet may be provided, and the deodorizing sheets may be attached to the filter walls by an air impermeable adhesive that covers at least about 5% of the surface area of the deodorizing sheets.

Abstract: A vacuum cleaner bag includes a bottom part having a substantially rectangular base section. A projecting section is disposed proximate to at least one side of the base section. The projecting section, when folded up for the storage position, rests on the base section. Sidewall sections extend peripherally in a direction away from the bottom part to form an inside space.

Abstract: A vacuum bag (10) attachment device and method. One embodiment provides a device for attaching a vacuum bag to a suction port of a vacuum cleaner (11), wherein the vacuum cleaner has a fixation projection (22) positioned adjacent the suction port (17). The attachment device comprises a holding plate (12) having a first aperture (15) configured and adapted to be received on the suction port of the vacuum. The holding plate also has a hinged portion (18) with a second aperture (21) positioned within the hinged portion. The hinged portion is moveable between a first position in which the hinged portion does not secure the holding plate to the vacuum and a second position in which the hinged portion secures the holding plate to the vacuum. The second aperture is configured and dimensioned to be received on the projection (22) adjacent the suction port of the vacuum cleaner when the hinged portion is in the second position.

Abstract: A Filter bag for bag filter systems, comprising a tubular filter body which is closed at one end and has at the other end a retainer for attachment in the bag filter system, characterized in that the filter body is composed of a thermally bonded nonwoven.

Abstract: A debris collection device with a self cleaning retention system that is designed for powered tools such as a sander. One embodiment of the system has an inflatable collection bag and a bag retention system, which further includes an integral bag adapter nozzle for retaining the collection bag to the debris exhaust of a tool such as a sander. For one embodiment of the debris collection device, the retention system can also has a tube, pipe or bracket which connects the adapter to powered tool such as a sander.

Abstract: An improved bag docking assembly for aligning a vacuum bag for engagement with a dirty air outlet nozzle on a vacuum cleaner, and for retaining the vacuum bag in the position of engagement. The assembly incorporates an anchor member and a mounting member. The anchor member serves to attach the bag docking assembly to the vacuum cleaner. The anchor member can be a substantially flat piece of plastic having a central opening for closely receiving the dirty air outlet nozzle on the vacuum cleaner. The central opening can have a shoulder for engaging a rim or similar protrusion formed about the perimeter of the dirty air outlet nozzle. Additionally, protrusions are located on the anchor member that align with voids in the vacuum bag collar to ensure that correct alignment of the vacuum bag has been achieved.

Abstract: A filter mounting system for use in a baghouse having a tubesheet with a plurality of openings. The filter mounting system includes filter media and a tubular mounting collar attached to the filter media to mount the filter media relative to the tubesheet. The filter mounting system also includes a gasket made of a flexible material. The gasket has a tubesheet receiving portion and a filter receiving portion extending from the tubesheet receiving portion. The mounting collar of the filter mounting system is adapted to be positioned within the filter receiving portion of the gasket and engaging the filter receiving portion to effect sealing engagement of the tubesheet receiving portion of the gasket against a portion of the tubesheet adjacent the opening. The filter receiving portion extends from the tubesheet receiving portion to force one portion of the gasket into sealing engagement with a surface of the tubesheet upon engagement with the mounting collar.

Abstract: A vacuum cleaner includes a dust collection compartment inside of which a dust bag with a reinforcing plate, which has a clip connected to the underside thereof, can be placed. The clip tapers toward the bottom in the shape of a funnel or trapezoid and is suited for insertion into a correspondingly configured fixture. The fixture has lateral guide elements that guide the reinforcing plate when pushed in. The configuration enables the dust bag to be easily inserted into the dust collection compartment without the involving the difficult placement inside a guide profile.

Abstract: An apparatus for use with a vacuum cleaner filter bag comprises a vacuum cleaner fill tube. The fill tube is configured for the bag to be mounted on the fill tube. The fill tube has an outlet through which a working flow of vacuum cleaner air can exit the fill tube to enter the bag when the bag is mounted on the fill tube. Additionally, the apparatus comprises a valve shiftable into and out of a closed condition in which the valve blocks the air from exiting the fill tube through the outlet.

Abstract: A filter cartridge for use in a baghouse having a tubesheet with a plurality of opening. A flexible snapband is biased towards engagement with a surface defining one of the openings in the tubesheet and is adapted to receive a portion of the filter cartridge. The snapband has a first surface and a second surface with a pair of protrusions separated by a groove adapted to receive a peripheral edge of one of the tubesheet opening. The pair of protrusions sealingly engage surfaces of the tubesheet. The filter cartridge includes filter media. Structure supports the filter media. A rigid non-metallic tubular collar is integrally formed with the filter media and the structure to secure this filter media and the structure to said collar. The collar includes a pair of longitudinally spaced continuous projections extending radially from the collar.

Abstract: Apparatus and methods of supporting and shielding flexible outer bags of vacuum cleaners are disclosed. In one embodiment, a support structure includes a backing plate adapted to be disposed within the flexible outer bag, and at least one support member attached to the backing plate and projecting away from the backing plate. The backing and support members are adapted to contact and extend proximate respective portions of the outer bag, providing three-dimensional support to the outer bag. Alternately, a plurality of airflow apertures may be disposed through the support structure. In another embodiment, a shield structure includes a backing member adapted to be positioned proximate to and extend over at least a portion of a rear panel of an outer bag of a vacuum cleaner.

Abstract: A bag for containing nuclear waste material has a venting arrangement having of a plurality of vent holes through the wall of the bag. Each vent hole includes a filter arrangement in which there is a first film mounted on the inside of the bag in alignment with the vent hole and a second film mounted on the outside of the bag aligned with both the vent hole and the first film to define a chamber between the first and second films, the chamber including the vent hole. A HEPA filter media is disposed in the chamber, so that fluid in the chamber passing through apertures in the first and second films also passes through the filter media. A preferred use of the present invention is to vent explosive gasses, such as hydrogen, from bags containing waste material such as nuclear waste material.

Abstract: A filter bag assembly of hybrid construction is disclosed that reduces the height of the filter bag assembly as well as its overall cost. The assembly indicates an elongated filter body portion, an end cap closing at one end of the filter body, a collar disposed at the other end of the filter body. The collar is molded onto the filter body and an inner venturi portion molded therewith. The assembly also includes a fabric extension portion that is attached to the interior of the collar. This extension may have a diameter greater than that of the collar so as to permit the filter body to be used in a tubesheet opening that is usually larger than that of the collar diameter. A snap band is contained within the collar for retaining the assembly in a tubesheet opening.

Abstract: For use with vacuum cleaner bags of the type having a substantially rigid collar surrounding the bag opening, and with vacuum cleaners of the type having a dirty air outlet nozzle, a vacuum bag docking assembly is shown and described. The assembly incorporates an anchor member having a central opening for closely receiving the dirty air outlet nozzle. The assembly also incorporates a mounting member which engages the collar on the vacuum bag to secure the bag to the bag mounting member. The bag mounting member is pivotally connected to the anchor member, and moves between a loading position in which the bag can be inserted or removed from the mounting member, and a working position in which the bag opening engages the dirty air outlet nozzle.

Abstract: An improved baghouse which is adapted to remove particulate matter from an air flow. The baghouse has three main chambers being the plenum, the receiving chamber, and a hopper. The three chambers are separated from each other using tubesheets having multiple holes therein. Filtering bags are connected to the upper and lower tubesheets. Attachment of the bag to the upper tubesheet is accomplished using a thimble that is preferably assembled with the bag and then delivered to the site ready for easy insertion into the hole of the tubesheet. A strap to sandwich the bag to the upper thimble. At the lower end, there are attached thimbles on the tubesheet and the bags are secured to those thimbles using clamps. Through the use of beads on the thimbles and bags, shaped clamps and straps, the bag is secured to both thimbles such that slippage and leakage are eliminated; further the shaped bottom clamps prevent relative motion between the bag and the top of the bottom thimble so that excess bag wear is avoided.

Abstract: A dust filter bag (1) for a vacuum cleaner (3), with a retaining plate (H). The bag is constructed of a solid paper material, such as cardboard for example, to which a dust bag (12) is joined, for example adhesively, with a closure flap (13) turned towards the inside (15) of the dust bag (12), hinged on the retaining plate (H), which closure flap (13) is openable against a spring action and, in closed condition, keeps closed an opening (O) in the retaining plate (H). To make the dust filter bag simpler in construction and more advantageous as regards use, a band-like spring element (F) is attached to the closure flap (13) in such a way that, in the closed condition (FIG. 4), there is formed a clearance (Y) between a band end (E--E) and a hinge axis (14), lying outside of the band, of the closure flap (13), where the hinge axis (14) is provided turned towards the inside (15) of the dust bag (1).

Abstract: A prefilter bag for insertion into a standard filtration bag apparatus, having a filtration assembly comprising a seamless filter membrane having uniform pore openings preselected within the range of between about 2 and about 50 microns (.mu.) and a linearly channeled, non-deformable, semi-rigid liquid transport thermoplastic sheet in the form of a molded webbing or netting in contact with the upper surface of the filter membrane; said webbing having marginal edges which are coextensive with those of the membrane; said assembly adapted to be shaped by continuous winding of the assembly upon itself for 2 to 5 complete convolutions around a tubular mandrel so as to form a cylindrical tube or cone; the bottom of said cylinder being sealed to prevent liquid leakage and the top of said cylinder, forming a liquid inlet opening, being sealed to a retaining ring adapted to be inserted in, attached to or sealed to an outer, retaining ring of a non-wrapped filter bag.

Abstract: A container for hazardous waste materials that includes air or other gas carrying dangerous particulate matter has incorporated in barrier material, preferably in the form of a flexible sheet, one or more filters for the dangerous particulate matter sealably attached to such barrier material. The filter is preferably a HEPA type filter and is preferably chemically bonded to the barrier materials. The filter or filters are preferably flexibly bonded to the barrier material marginally and peripherally of the filter or marginally and peripherally of air or other gas outlet openings in the barrier material, which may be a plastic bag. The filter may be provided with a backing panel of barrier material having an opening or openings for the passage of air or other gas into the filter or filters. Such backing panel is bonded marginally and peripherally thereof to the barrier material or to both it and the filter or filters. A coupling or couplings for deflating and inflating the container may be incorporated.

Abstract: A vacuum cleaner filter bag mounting assembly comprises a bag mounting member having a fixed plate which is secured to a housing of a vacuum cleaner and a hinge plate which is pivotally mounted to the fixed plate through a living hinge. A channel is formed on the outside surface of the hinge plate for a receipt of the vacuum bag collar and an air deflector extends outwardly from the fixed plate for insertion into the filter bag. The bag mounting member is preferably integrally molded from a single injection-molding operation. An outlet tube is integrally molded to the fixed plate and has bag-retaining projections on an outer surface and a deflector at the end to deflect particles downwardly into the filter bag. The filter bag is retained in the operating condition by the bag-retaining projections on the outlet tube.

Abstract: A bag filter assembly utilizing a conventional housing and end cap construction includes a unique filter bag retaining cage and end cap adaptor which allow the use of replaceable bag filter elements of widely varying construction. The assembly will accommodate bag filter elements of the type having a shape retaining opening of rigid construction and including a shape-retaining bottom end cap or of the type comprising a generally continuous flexible tubular sleeve. The system is tolerant of the latter type of bag filters of substantially varying thicknesses.

Abstract: A dust collection bag 1 for a power tool comprises a box-like container 10 which is separable into two parts 11, 12 along a plane of the box-like container and the interfitting portions 13, 14 of the two parts are rigid. One part 11 which is suitably a rigid plastics moulding has means 15 for connecting the container to the power tool outlet and the other part 12 has at least part of its wall surface formed of filter material 12a. The parts 11, 12 may be hinged together 16 and have connection means 17, 18 for releasably connecting them to close the container (FIG. 1).

Abstract: Disclosed is a filter assembly for use in a baghouse having a cell plate provided with openings. The filter assembly includes a collar, filter bag, tubular supporting cage and locking ring. The filter bag filters particulate material and extends from below the cell plate. The collar supports the filter bag and has a longitudinally extended portion and a flange portion. The longitudinally extended portion is affixed to the filter bag below the cell plate, while the flange portion extends along the cell plate as a rim above a respective opening. The collar acts as a gasket to seal a respective opening in the cell plate. The tubular supporting cage has a longitudinally extended portion that structurally supports the filter bag. The locking ring is integrally fixed to the supporting cage and locks an arrangement of the filter bag, collar and cage in place. The locking ring also can include a venturi affixed thereto to assist in filtering and cleaning operations.

Abstract: Disclosed is a filter assembly for use in a baghouse having a cell plate provided with openings. The filter assembly includes a collar, filter bag, tubular supporting cage and locking ring. The filter bag filters particulate material and extends below the cell plate. The collar supports the filer bag and has a longitudinally extended portion and a flange portion. The longitudinally extended portion is affixed to the filter bag below the cell plate, while the flange portion extends along the cell plate as a rim above a respective opening. The collar acts as a gasket to seal a respective opening in the cell plate. The tubular supporting cage has a longitudinally extended portion that supports the filter bag. The locking ring locks the filter bag, collar and cage in place. The locking ring can include a venturi affixed thereto to assist in filtering and cleaning operations.

Abstract: A dust filter bag (1) for a vacuum cleaner, having a holding plate (2) which has a tightly closed opening (3) for a suction pipe of a vacuum cleaner, the opening (3) being adapted to be closed from the outside by a separate closure flap (5) which has an insertion region (6). In order to achieve more favorable handling, in particular, of the closure flap, the closure flap (5) is detachably connected to the holding plate (2) in its open position.

Abstract: An upright vacuum cleaner having a filter bag housing assembly comprised of a fabric or otherwise flexible and air permeable bag housing resiliently supported at its bottom end relative to the operator handle such that the bag housing is always in tension and is prevented from twisting about the axis of the operator handle. The bag housing assembly includes rigid upper and lower frame members thereby maintaining the assembly in a prescribed geometric shape. The lower frame member which defines the bottom of the bag housing includes a pair of laterally disposed elongated track members telescopically disposed within respective guide track members fixed to the handle and resiliently biased relative to the respective guide track member to thereby maintain the bag housing in tension and provide lateral stability to the bag housing at the same time.

Abstract: Disclosed is a filter assembly for use in a baghouse having a cell plate provided with openings. The filter assembly includes a molded collar, filter bag, tubular supporting cage and locking ring. The filter bag filters particulate material and extends from below the cell plate. The collar supports the filter bag and has a longitudinally extended portion and a flange portion. The longitudinally extended portion is affixed to the filter bag below the cell plate, while the flange portion extends along the cell plate as a rim above a respective opening. The collar acts as a gasket to seal a respective opening in the cell plate. The tubular supporting cage structurally supports the filter bag and has a longitudinally extended portion and a collar portion. The longitudinally extended portion supports the filter bag, while the collar portion partially overlaps the flange portion of the collar. The locking ring locks the filter bag, collar and cage in place.

Abstract: A hand-held vacuum cleaner including a housing having mating first and second half housing elements. The housing has a handle and a nozzle. A motor is mounted within the housing for driving a shaft. A fan is mounted on the shaft for rotation therewith. A selectively separable bag assembly is mounted on the housing. A working air channel is defined within the housing communicating the nozzle with the bag assembly. The bag assembly includes a collar, a dirty air collector bag attached to the collar, and a combination latch and handle member pivotally connected to the collar. The housing includes a wall member for receiving the collar of the bag assembly and a detent member for holding the latch and handle member in a locking position when the member is pivoted into engagement therewith for securing the bag assembly onto the wall member of the housing.

Abstract: An improved filter apparatus including a securing mechanism to hold a flexible filter media such as a filter bag in position. The securing mechanism includes a receiving member having an internal bore adapted to receive a portion of the filter media. A retaining ring having an externally projecting contact ridge adapted to make essentially line contact around the inner periphery of the receiving member is utilized to secure the bag within the receiving member. The filter cloth may either be inserted between the securing ring and the inner surface of the receiving member, or a slightly larger securing ring may be utilized to seat on top of a conventional filter bag retaining ring to secure the ring and the bag in position.

Abstract: A canister vacuum cleaner includes a dust bag mount for mounting a dust bag with a collar onto the vacuum cleaner. The bag mount includes a mounting plate with a circular aperture. The dust bag collar includes an aperture that, upon installation of the collar, is aligned with the aperture in the mounting plate. Raised structure surrounds the aperture in the mounting plate and extends into the aperture in the collar upon installation providing a seal between the mounting plate and collar. The raised structure includes ramps and inclined surfaces to bend and lift the dust bag collar over the raised structure during its installation and removal. This structure also serves to index and retain the collar once it is installed and to seal the space between the installed dust bag collar and the mounting plate. A pair of channels are provided at the sides of the mounting plate for holding and guiding the edges of the dust bag collar during its installation and removal.

Abstract: A device for the physical separation of particles from a gas stream consisting of a two-dimensional flow unit in which the flow is accelerated to the throat and then diffused so that the particles are inertially urged to the core and to the trap. It is unique in that a telescope two-stage nozzle-diffuser arrangement is used to obtain a compact, low pressure loss unit. The design is such that all inertal forces including the Magnus force within the boundary layer act in the direction of particle separation towards the core and a sharp particle size cutoff is obtained down to 2 micron.

Abstract: A vacuum cleaner disposable filter, preferably in the form of a closed container having an inlet for connection to the air discharge outlet of a vacuum cleaner, comprises an assembly of layers including an inner filter layer provided by a non-woven micro-fiber web formed of randomly entangled synthetic polymeric micro-fibers and highly porous outer support layers each preferably comprising spun-bonded non-woven webs on either side of the inner layer.

Abstract: A scent dispensing arrangement is disclosed for use in an upright vacuum cleaner having a flexible air pervious bag extending along a pivoting handle thereof and an air flow generating means which produces an air flow which is exhausted to atmosphere via the bag. A cap member is connected to a top end portion of the flexible bag and interconnected with the pivoting handle for supporting the bag at its uppermost extension along the handle. A scent dispenser is provided which includes a drawer slidably mounted in the cap member for retaining the scented material. The drawer is provided with apertures for providing a path for air flow to atmosphere with sliding movement thereof either opening or closing the path to control dispensing of the scented material.

Abstract: A dirt collecting bag is disclosed having a face plate or collar with a slotted configuration along one of its edges to aid in mechanical transfer of it from a storage magazine to a bag mounting and transfer apparatus in a vacuum cleaner.

Abstract: For use with vacuum cleaner bags of the type having a substantially rigid collar surrounding the bag opening, and with vacuum cleaners of the type having a dirty air outlet nozzle, a vacuum bag docking assembly is shown and described. The assembly incorporates an anchor member having a central opening for closely receiving the dirty air outlet nozzle. The assembly also incorporates a mounting member which engages the collar on the vacuum bag to secure the bag to the bag mounting member. The bag mounting member is pivotally connected to the anchor member, and moves between a loading position in which the bag can be inserted or removed from the mounting member, and a working position in which the bag opening engages the dirty air outlet nozzle.