Battery-operated backpack suction appliance

Abstract

A battery-operated backpack suction appliance, including a collection container, a technical unit connected to the collection container in an operating position of the suction appliance, and a backpack device connected to at least one of the collection container and the technical unit in the operating position for the suction appliance to be worn on the back of an operator, wherein the collection container is made of a foamed plastic material and wherein the collection container is configured to be removable from the technical unit in a toolless manner is disclosed.

1 . A battery-operated backpack suction appliance, comprising a collection container, a technical unit connected to the collection container in an operating position of the suction appliance, and a backpack device connected to at least one of the collection container and the technical unit in the operating position for the suction appliance to be worn on the back of an operator, wherein the collection container is made of a foamed plastic material and wherein the collection container is configured to be removable from the technical unit in a toolless manner. 
     
     
         2 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance, in particular the technical unit, comprises a suction device,
 wherein, in particular, the technical unit comprises a control device that cooperates with the suction device.   
     
     
         3 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein current-carrying and current-conducting components are arranged or formed exclusively in or on the technical unit. 
     
     
         4 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the technical unit comprises a housing,
 wherein, in particular, at least one of   a) the housing is made of a plastic material, in particular a thermoset, a thermoplastic, a glass fiber-reinforced plastic, or of a mixture of one or more at least one of thermosets and thermoplastics   and   b) the housing is formed by injection molding, in particular by a compact injection molding process.   
     
     
         5 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance comprises a battery, in particular a rechargeable battery,
 wherein, at least one of   a) the technical unit and the battery are mechanically and electrically completely separated from one another in a separated position and are mechanically and electrically coupled to one another in a coupling position   and   b) the suction appliance comprises a coupling device for mechanically coupling the battery to the housing of the technical unit and   c) the technical unit is arranged between the battery and the collection container in the operating position   and   d) the housing comprises a housing top side and a housing bottom side, wherein the housing top side and the housing bottom side face in opposite directions, and wherein in the operating position the battery is connected to the housing top side and the housing bottom side is connected to the collection container.   
     
     
         6 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the technical unit is at least partially surrounded by a protective housing,
 wherein, in particular, at least one of the protective housing   a) is of one-piece or multi-part, in particular two-part configuration,   and   b) or components thereof are configured to be connectable to the technical unit and to one another in a toolless manner, in particular by a first latching or snapping connecting device   and   c) is made of a foamed plastic material, in particular of the same foamed plastic material as the collection container   and   d) is connected to the backpack device, in particular the support frame.   
     
     
         7 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the backpack device comprises a support frame and two shoulder straps arranged or formed on the support frame,
 wherein, in particular, at least one of   a) the technical unit is connected to the support frame   and   b) at least part of the protective housing is arranged between the support frame and the technical unit.   
     
     
         8 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the collection container defines a receiving space and comprises a collection container top side, a collection container bottom side, and a peripheral collection container wall extending from the collection container bottom side to the collection container top side, and wherein the collection container top side is open, in particular completely or substantially completely,
 wherein, in particular, the peripheral collection container wall comprises a rear wall portion, a front wall portion opposite said rear wall portion, and two lateral wall portions connecting the rear wall portion and the front wall portion to one another and extending opposite one another.   
     
     
         9 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein a suction port that is connected or connectable to a suction hose is arranged or formed on the collection container, in particular on one of the two lateral wall portion,
 wherein, in particular, the suction appliance comprises a suction hose, which, on the one hand, is connectable or connected to the suction port and, on the other hand, at least one of comprises a suction nozzle and is coupleable to a suction nozzle or a suction pipe,   wherein, further in particular, the suction appliance comprises a suction pipe and wherein the suction pipe, on the one hand, is coupleable to the suction hose and, on the other hand, at least one of comprises a suction nozzle and is coupleable to a suction nozzle.   
     
     
         10 . The battery-operated backpack suction appliance in accordance with  claim 8 , wherein the collection container top side of the collection container is of mirror symmetrical configuration with respect to two mirror planes extending perpendicularly to one another,
 wherein, in particular, at least one of   a) the two mirror planes intersect in a line of intersection and wherein the line of intersection defines a longitudinal axis of the collection container and   b) the collection container as a whole is of mirror symmetrical or substantially mirror symmetrical configuration with respect to the two mirror planes   and   c) that the housing bottom side is of mirror symmetrical configuration with respect to the two mirror planes.   
     
     
         11 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the technical unit and the collection container are clampingly held against one another in the operating position. 
     
     
         12 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein formed on the collection container is a peripheral first clamping face, which has a cross section that increases in the direction toward the technical unit,
 wherein, in particular, formed on the housing is a peripheral second clamping face, which abuts against the first clamping face in the operating position.   
     
     
         13 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance comprises a securing device for securing a connection of the collection container and the technical unit in the operating position,
 wherein, in particular, at least one of   a) the securing device comprises at least one securing member, which holds the collection container against the technical unit in the operating position,   and   b) the at least one securing member in the operating position at least partially engages around the collection container, in particular the collection container bottom side, and is connected to the backpack device on the one hand and to the technical unit, in particular the front side of the housing, on the other hand   and   c) the suction appliance comprises a toolless coupling mechanism for releasably connecting the at least one securing member to at least one of the backpack device and to the technical unit.   
     
     
         14 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance comprises a permanent filter and wherein the permanent filter in the operating position is held between the technical unit and the collection container,
 wherein, in particular, the permanent filter comprises a holding frame and a filter element, in particular in the form of a nonwoven, held on the holding frame,   wherein, further in particular, the holding frame comprises a peripheral clamping wall portion, wherein the clamping wall portion comprises two clamping faces that face away from one another, and wherein the clamping faces in the operating position abut against the first clamping face on the one hand and against the second clamping face on the other hand.   
     
     
         15 . The battery-operated backpack suction appliance in accordance with  claim 5 , wherein an air channel inlet is arranged or formed on the housing bottom side and the suction appliance comprises a particulate filter, which in the operating position closes the air channel inlet,
 wherein, in particular, the particulate filter at least one of   a) in the operating position is coupled to the technical unit   and   b) in the operating position is arranged or formed between the permanent filter and the air channel inlet   and   c) comprises a particulate filter frame and a particulate filter element held thereon and wherein the particulate filter frame is coupled to the technical unit in the operating position, in particular by a second latching or snapping connecting device.   
     
     
         16 . The battery-operated backpack suction appliance in accordance with  claim 2 , wherein a blow-out opening is arranged or formed on the suction appliance and wherein a pressure side of the suction device is fluidically connected to the blow-out opening,
 wherein, in particular, at least one of the blow-out opening   a) comprises a plurality of blow-out slits, wherein, in particular, the blow-out slits are arranged or formed on the housing,   and   b) is arranged or formed on a front side of the suction appliance   and   c) is arranged or formed on the technical unit, in particular on a front side of the technical unit,   d) defines at least two outlet regions, wherein an air guidance device is arranged or formed on the technical unit, wherein the air guidance device comprises at least two air guidance channels that are separate from one another and that each are fluidically connected to the pressure side of the suction device on the one hand and to a respective one of the at least two outlet regions on the other hand.   
     
     
         17 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein feet are arranged or formed on the collection container,
 wherein, in particular, the feet are molded on the collection container bottom side.   
     
     
         18 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance comprises a suction bag, wherein the suction bag comprises a suction bag opening, wherein the suction bag is arranged in the collection container, and wherein the suction bag opening and a suction port of the suction appliance are fluidically connected to one another in the operating position,
 wherein, in particular, the suction bag is of air-permeable configuration.   
     
     
         19 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance comprises a carrying handle and wherein the carrying handle is arranged or formed on the suction appliance on an appliance side that faces away from the collection container,
 wherein, in particular,   a) the carrying handle in the operating position is connected to the backpack device on the one hand and to the technical unit or part of the protective housing on the other hand   and   b) a center of gravity of the suction appliance in the operating position when a longitudinal axis of the suction appliance is oriented in parallel to the direction of gravity lies below the carrying handle.   
     
     
         20 . The battery-operated backpack suction appliance in accordance with  claim 1 , wherein the suction appliance is configured in the form of a canister vacuum cleaner.