...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4720887 | Upper fill tube configuration The invention provides an upper fill tube configuration for a vacuum cleaner that includes: a rigid upper fill tube that communicates, adjacent its upper end, with a dirt collecting receptacle; a flexible tube extending from the cleaner foot; communicatin... | 01/26/1988 |
| 4720891 | Member with deformable brush retaining tabs A nozzle is disclosed having a brush adjustably mounted in it so as to be movable inwardly and outwardly of a slotted bottom plate forming member. This bottom plate forming member includes resilient, deformable tabs which pass the brush inwardly into the ... | 01/26/1988 |
| 4707169 | Cord dump and bag tensioning cap The invention provides a resiliently mounted top cap for a cleaner bag that tends to urge a bag upwardly to tighten it. At the same time, the cap may be removed downwardly against its spring bias for shaking as a dirt loosening mechanism. The cap also inc... | 11/17/1987 |
| 4545089 | Floor care appliance with mounted accessory appliance The invention includes a floor care appliance with a rigid housing having a pocket for nesting an accessory appliance. A latch means maintains the accessory appliance within the pocket and is releasable to permit removal of the accessory appliance.... | 10/08/1985 |
| 4539026 | Suction cleaner bag 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.... | 09/03/1985 |
| 4527302 | Canister cleaner The invention comprehends a canister type cleaner having an intermediate piece which extends over the major horizontal extent of the cleaner and is utilized for bag chamber forming and operating element support.... | 07/09/1985 |
| 4472856 | Pivoted duct conversion An upright cleaner or the like is provided with a pivoting duct that pivots outwardly of the hood of the cleaner for attachment of a conversion tool. This permits conversion of the upright cleaner to, for example, hose operation.... | 09/25/1984 |
| 4467493 | Latching arrangement for a floor care appliance with mounted accessory appliance The invention is provided in a floor care appliance with a rigid housing having a pocket for nesting an accessory appliance. A latch means maintains the accessory appliance within the pocket and is releasable to permit removal of the accessory appliance. ... | 08/28/1984 |
| 4452618 | Suction cleaners with a bag transfer arrangement A suction cleaner having a motor fan unit and a casing having a dirt bag receiving compartment closed by a bag carrier in the form of a door and having a bag mount therein in the form of an air conduit extending from the motor fan unit. A dirt collecting ... | 06/05/1984 |
| 4449737 | Hose coupler locking arrangement A hose coupling latching arrangement is disclosed in which a resilient bendable member engages with an abutment to prevent the coupling from turning to a release position.... | 05/22/1984 |
| 4434865 | Power transmission for a cleaner The structure comprehends a power transmission for a power drive cleaner where the clutching arrangement is on the output shaft that provides a direct geared drive to the wheels.... | 03/06/1984 |
| 4421964 | Remote switch actuation There is provided an actuating means, remote from the switch it actuates. A thin, flexible, lamella like link extends between the switch and actuating means, with the link moving in an enclosing channel for guidance.... | 12/20/1983 |
| 4416033 | Full bag indicator There is provided a full bag indicator which is calibrated by movement of it along the structure it is mounted to, to thereby vary an aperture leading into the full bag indicator.... | 11/22/1983 |
| 4405346 | Cleaner with dirt cup A vacuum cleaner is provided with a dirt cup and a dirt cup holder that telescopically engages with a handle of the cleaner for the guidance of it as the handle of the cleaner pivots relative to the main body of the cleaner.... | 09/20/1983 |
| 4380846 | Idler pulley belt drive arrangement for suction cleaner A driven agitator is powered by a pulley-belt arrangement including an idler pulley. Upon agitator stall condition slippage occurs at the idler pulley, preventing rotor stall of the driving motor.... | 04/26/1983 |
| 4360950 | Cleaner motor with vibration isolation A floor care appliance or the like is provided with vibration isolating means for its motor-fan system which includes isolation at the agitator driving motor pulley which acts against belt tension.... | 11/30/1982 |
| 4352967 | Switch actuating mechanism The invention described provides a conventional switch and a switch actuating mechanism that includes an operator engagable pedal or button that, upon initiation, motivates a mechanism which turns the conventional switch on or off. A novel apexed slotted ... | 10/05/1982 |
| 4349936 | Agitator for a cleaner or the like An agitator roll for a floor care appliance or the like is disclosed having short, angled beater bars. The agitator may be of foamed plastic.... | 09/21/1982 |
| 4336628 | Nozzle with pivoted wand The invention described provides a nozzle that includes a pivoted wand to permit relative movement in a vertical plane between the wand and nozzle during manipulation by the operator. The center for the pivot for the wand is located at floor level. This p... | 06/29/1982 |