EP3231738B1 - Waste storage device with smell protection - Google Patents
Waste storage device with smell protection Download PDFInfo
- Publication number
- EP3231738B1 EP3231738B1 EP17162962.9A EP17162962A EP3231738B1 EP 3231738 B1 EP3231738 B1 EP 3231738B1 EP 17162962 A EP17162962 A EP 17162962A EP 3231738 B1 EP3231738 B1 EP 3231738B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waste storage
- storage device
- hose
- gear rod
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
- B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
- B65F1/062—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks having means for storing or dispensing spare bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
- B65F1/08—Refuse receptacles; Accessories therefor with removable inserts with rigid inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/16—Lids or covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F2001/1653—Constructional features of lids or covers
- B65F2001/1676—Constructional features of lids or covers relating to means for sealing the lid or cover, e.g. against escaping odors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/126—Cutting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/167—Sealing means
- B65F2210/1675—Sealing means by twisting, e.g. of a flexible tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2230/00—Shapes of refuse receptacles
- B65F2230/148—Sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2240/00—Types of refuse collected
- B65F2240/132—Diapers
Definitions
- the invention relates to a waste storage device, comprising a container with a container opening and a lid pivotably mounted to the container to open and close the container opening. Furthermore, the waste storage device comprises a driver ring, which is rotatably mounted to the container in the region of the container opening and which is designed to catch a waste storage bag or waste storage hose guided through a center opening of the driver ring. Additionally, the waste storage device comprises a gear rod, which is movably guided in the container at its first end and which is coupled to the driver ring. Moreover, the invention relates to a waste storage system, comprising a waste storage device of said kind and a storage cassette containing a waste storage bag or waste storage hose.
- a waste storage device of the kind above is generally known and used for disposal of all kind of waste, particularly also for disposal of baby and/or adult diaper and/or other personal waste material.
- Some waste causes unwanted smell and every time the waste storage device is opened for disposal of new waste, smell of waste, which is already disposed in the waste storage device, leaks from said device what is quite unpleasant for most users.
- US 2002/0162304 A1 discloses a waste storage device with an arc shaped gear rod, which is fixed to a lid of a container.
- a plastic hose receiving waste is twisted automatically so as to keep unwanted smell inside.
- the twisting is not sufficient for satisfactory sealing, the user cannot twist the hose for some additional turns. The only thing he can do is to move the lid upwards and downwards to further twist the hose what is quite inconvenient. Even worse, the movement of the lid causes an air stream distributing the unwanted smell in the room.
- US 9,102,467 B2 shows a further example of a waste storage container, which comprises means for twisting the waste storage hose.
- a driver ring catching and twisting the hose is operated by a foot pedal.
- the waste storage container does not twist the hose automatically when waste is disposed, but the foot pedal has to be pressed as a separate action what is inconvenient as well.
- smell may leave the hose unhindered, if the foot pedal is not pressed immediately after disposing waste.
- DE 20 2005 015 117 U1 and DE 20 2006 004 159 U1 disclose similar solutions having the same drawbacks like US 9,102,467 B2 . Instead of a foot pedal DE 20 2005 015 117 U1 and DE 20 2006 004 159 U1 disclose a push rod to cause a twisting and closing of the hose.
- the waste container of DE 20 2005 015117 U1 is in accordance with the preamble of claim 1.
- a problem of the invention is to provide a waste storage device and a waste storage system, which improves the sealing of a waste storage hose and better avoids leaking of unwanted smells.
- the waste storage device shall provide automatic operation on opening and/or closing of the lid, but also allow for proper spontaneous operation on request.
- the problem of the invention is solved by a waste storage device as defined in the opening paragraph, wherein the gear rod is configured to face the lid respectively to cooperate with the lid on the free second end of the gear rod and wherein a movement of the lid causes a movement of the gear rod and of the driver ring and also causes a twisting and closing of the waste storage hose.
- a waste storage system comprising a waste storage device of the above kind and a storage cassette containing a waste storage bag or waste storage hose.
- the waste storage hose or waste storage bag is twisted and thereby closed automatically by a rotational movement of the driver ring when the lid is opened and/or closed.
- the lid provides a smell protection by closing the container opening.
- smell protection is provided by twisting the waste storage hose or waste storage bag when the gear rod is pushed downwards by the lid. In this way, unwanted smell is kept inside the waste storage hose respectively waste storage bag.
- the user can spontaneously actuate the gear rod by pushing it on its free second end and in turn the driver ring without moving the lid if - for example - he considers the automatic twist by the lid as insufficient in particular cases.
- the driver ring may be actuated respectively rotated without the need to touch it or the waste storage hose / waste storage bag, which is guided through the center opening of the driver ring.
- the driver ring comprises a toothing respectively a gear ring coupled to the gear rod. In this way, the movement of the gear rod is converted into a rotation.
- the driver ring comprises a toothing respectively a gear ring cooperating with a bevel gear wheel, which is coupled to a gear wheel cooperating with the gear rod.
- a movement of the lid then causes a movement of the gear rod, the gear wheel, the beveled gear wheel and of the driver ring so that the waste storage hose is twisted and closed.
- the moving direction of the gear rod may be oriented parallel to the rotational axis of the driver ring. Accordingly, the gear rod may be actuated from the top side if said moving direction respectively said axis is oriented vertically.
- the gear rod is coupled to a freewheel unit.
- the bevel gear of the above embodiment may comprise a freewheel unit.
- a freewheel unit may be used in any other wheel of a driving mechanism as well.
- the freewheel unit may comprise a ratchet mechanism to perform the above function.
- the freewheel unit is friction based.
- Such a friction based freewheel unit usually comprises spring-loaded rollers, which are arranged between an inner, driven shaft and an outer sleeve.
- the rollers are arranged in wedged respectively tapered notches of the shaft and are hindered to fall out of the notches by the inner cylindrical surface of the sleeve.
- the rollers rotate in unison.
- the shaft is rotated in the other direction, the rollers just slip over the inner cylindrical surface of the sleeve. In this case the sleeve stands still, even if the shaft is rotated.
- a particular advantage of the friction based freewheel unit is that it works very silently and is almost inaudible. In this way, a user of the waste storage device, and in particular a (sleeping) baby, is not bothered by the sound of the waste storage device.
- the application of a friction based freewheel unit in a waste storage device may also be useful without the limitations of claim 1, that means without the gear rod cooperating with the lid on its free second end.
- the application of a friction based freewheel unit in a waste storage device may form the base of an independent invention.
- the drive for the driver ring may be designed differently then.
- the gear rod may be fixed to the lid or may be pivotally mounted to the lid.
- the gear rod may also be arranged at a distance from the lid.
- the gear rod may also be oriented differently, for example horizontally, and extend through a side wall of the waste storage device.
- there is no gear rod necessary at all, and the friction based freewheel unit may also be used in combination with a crank to drive the driver ring.
- the independent invention may be defined as follows:
- Waste storage device comprising
- the gear rod is linear/straight. Accordingly, pushing the gear rod is done by a linear movement, which can be performed easily by humans. Furthermore, manufacturing of a linear/straight gear rod is comparably easy. That is why the proposed waste storage device can be put into practice with simple technical means.
- the gear rod is oriented vertically. Accordingly, the gear rod is pushed downwards for actuating the twisting mechanism. A downward movement can be performed easily by humans as well.
- the gear rod is arranged vis-à-vis of a hinge mounting the lid to the container in a beneficial embodiment of the waste storage device.
- the moving distance of the gear rod is comparably long. That is why just low forces are necessary for operation, and the twisting mechanism may be operated easily.
- the gear rod may be spring loaded in yet another beneficial embodiment so that it automatically moves into its idle position after actuation. Accordingly, no movement back and forth is necessary for actuating the twisting mechanism, but just a pushing or pulling movement.
- the driver ring is manually driven during operation, either directly or indirectly. In this way, the need for an energy source or a connector to a power grid may be omitted. Nevertheless, the driver ring may also be driven by an (electric) motor, again either directly or indirectly.
- the driver ring comprises a funnel with elastic flaps/lids. Accordingly, putting waste into the waste storage hose or waste storage bag is eased. Moreover, the elastic flaps/lids rebound to their idle position after waste is disposed and thus close the waste storage hose or waste storage bag even before the driver ring is rotated.
- the waste storage device comprises a fastener, which is mounted to the container and which is designed to fix the waste storage bag or waste storage hose. In this way, closing of the waste storage hose or waste storage bag by twisting the same is improved.
- the waste storage device comprises at least one tying device for holding the hose when knotting the same, which tying device comprises two pin-like portions with a slit in-between.
- the hose may be knotted easily.
- the hose is wound around the two pins and then threaded between said pins and through the generated loop. This movement may easily be performed by one hand.
- the proposed waste deposition device enables most users to knot the hose by use of just one hand in the first place respectively for the first time.
- the distance between axes of the two pin-like portions increases towards the ends of the two pin-like portions and if an angle between said axes measured in the region of the two opening pin-like portions is equal to or less than 60°. That also means that the ends of the two pin-like portions point in basically the same direction (and not in opposed directions).
- the axes of the two pin-like portions are substantially parallel and if the ends of the two pin-like portions point in basically the same direction (and not in opposed directions).
- substantially parallel in this context in particular means that an angle between the axes of the two pin-like portions is equal to or less than 10°.
- the distance between axes of the two pin-like portions does not substantially increase towards the ends of the two pin-like portions, and an angle between said axes measured in the region of the two opening pin-like portions is equal to or less than 10°. For this reason, the knot in the hose can slipped off the tying device even more easily.
- the slit is V-shaped and opens towards the ends of the two pin-like portions. For this reason, the hose may be thread through the loop easily.
- the slit may also be bordered by parallel walls.
- a blade is arranged in the slit. Hence, the hose may be cut easily. Because of the blade, a combined tying/cutting device is provided.
- a stopper is arranged at a distance from the free end of the pin-like portions.
- the stopper is arranged at the end of the slit or before the end of the slit.
- the tying device comprises a depression arranged on and running along the pin-like portions.
- the one making the knot can even more easily put a finger, in particular his thumb, through the loop formed by the hose wound around the two pins. Accordingly, it is even more easy to finish the knot by threading the free end of the rope-like or tube-like item through the loop.
- one of the pin-like portions is formed by a gear rod guiding for the gear rod.
- said pin performs a double function, and the waste storage device may have a very compact design then.
- the waste storage device comprises a holder for receiving a ring-shaped storage cassette containing the waste storage bag or waste storage hose. Accordingly, waste can be disposed many times without the need of changing the storage cassette.
- the holder is mounted to the container.
- the storage cassette is simply laid onto the holder. It may freely turn so as to follow the movement of the driver ring, or it may be fixed to the holder so that a co-rotation with the driver ring is avoided.
- the holder is mounted to the driver ring or comprised thereof for co-rotation.
- the storage cassette is simply laid onto the driver ring. Generally, the storage cassette synchronously rotates with the driver ring then. That is why an unwanted twisting of the waste storage hose or waste storage bag in the storage cassette is avoided.
- the waste storage device comprises a crank handle coupled to the driver ring.
- alternative means are provided to actuate respectively turn the driver ring without the need to touch it.
- Figures 1 to 5 show an example of a waste storage device respectively a waste storage system.
- Fig. 1 shows a cross section AA of the waste storage device
- Fig. 2 a cross section of the upper part of the waste storage device
- Fig. 3 a cross section BB of the waste storage device
- Fig. 4 an oblique view onto the waste storage system with open lid
- Fig. 5 an oblique view onto the waste storage system with open housing.
- Fig. 4 moreover shows the orientation of the section planes for Figs. 1 to 3 .
- the waste storage device 1 comprises a container with an upper container part 2 and a lower container part 3, both preferably made of plastic. Both parts 2 and 3 are linked together by means of a first hinge 4 so that the upper container part 2 can be swiveled in relation to the lower container part 3 making the interior space of the container accessible.
- a handle 5 eases opening of the container.
- the upper container part 2 is fixed to the lower container part 3 by means of a button 6, which latches into a recess 7. By pressing the button 6, said locking may be released.
- a container opening 8 On top of the container 2, 3 there is a container opening 8, which is be closed by a lid 9.
- the lid 9 is mounted to the upper container part 2 by means of a second hinge 10 so that the lid 9 can be swiveled in relation to the upper container part 2 making the container opening 8 accessible.
- the waste storage device 1 furthermore comprises a driver ring 12, which is rotatably mounted to the container in the region of the container opening 8 and which is designed to catch a waste storage bag or waste storage hose/tube 13 guided through a center opening of the driver ring 12.
- the driver ring 12 is mounted on top a support 14 and comprises an optional funnel with elastic flaps/lids 15.
- the waste storage bag or waste storage hose/tube 13 is made of a plastic film, and preferable the flaps/lids 15 are made of an elastomer.
- the waste storage device 1 comprises a holder 16 for receiving a ring-shaped storage cassette 17 containing the waste storage bag or waste storage hose 13.
- the storage cassette 17 comprises a lower ring 18 and a top ring 19.
- the storage cassette 17 is simply placed onto the holder 16, which is part of the upper container part 2. Accordingly, the waste storage cassette 17 may freely turn.
- the storage cassette 17 may also be fixed to the holder 16 (so as to avoid rotation), or the holder 16 may also be mounted to the driver ring 12 or comprised thereof for co-rotation.
- the storage cassette 17 will lay on top of the driver ring 12, if the holder 16 is omitted respectively is part of the driver ring 12.
- the driver ring 12 may comprise a toothing as this is shown in the Figures.
- the driver ring 12 is attached to respectively comprises a gear ring 21 cooperating with a gear wheel 22 rotatably mounted to the container by means of an axle 23.
- the gear ring 21 comprises a beveled toothing cooperating with the bevel gear wheel 22.
- the bevel gear wheel 22 is coupled to a gear wheel 24 cooperating with a gear rod 25.
- the gear rod 25 may also directly cooperate with the gear ring 21.
- the gear rod 25 is oriented horizontally then. However, it can also be oriented vertically if the container opening 8 is oriented vertically.
- crank handle may be coupled to the driver ring 12.
- the axle 23 can be made longer as shown and reach out of the container.
- the crank handle may be mounted to the axle 23 on the outside of the container then (in Fig. 3 on the left side).
- the gear rod 25 is guided in the container 2, 3 at its first end by means of a guiding 26 and may be spring loaded so that it moves to its idle position after actuation.
- the gear is enclosed by a gear box 27.
- the container may comprise a fastener 28, which mounted to the gear box 27 and which is designed to fix the waste storage bag or waste storage hose 13 (but see also Fig. 9 in this context).
- An optional blade 29 may be mounted in the region of the guiding 26 or the fastener 28.
- the bevel gear wheel 22 and/or gear wheel 24 (or any other wheel of the driving mechanism) may furthermore comprise a freewheel unit (see also Figs. 6 to 8 in this context).
- the gear rod 25 may have an optional thickening respectively push button 30 on its top end as this is shown in Fig. 3 .
- a waste storage system 20 now is as follows: In a first step, the storage cassette 17 is attached to the holder 16, the waste storage hose 13 is pulled upwards and then fed through the driver ring 12. A knot 31 closes the end of the waste storage hose 13. The waste storage system 20 is ready for use now.
- waste such as baby or adult diaper or other personal waste material can be put into the storage hose 13 and disposed therein.
- the pop-up lid 9 is automatically opened by the spring 11 when a corresponding button at the front side of the container is pressed.
- the gear rod 25 moves upwards caused by a spring (not shown in Figures 1 to 5 but in Fig. 6 ).
- the lid 9 opens by simply pushing the button by only one hand of user, the other hand is free to carry a baby for example at the same time.
- the spring 11 may also be omitted. The lid 9 is opened then by a simple lifting movement.
- the protection against smell may even be improved if the gear rod 25 is spontaneously operated on request in addition to said automatic operation by the lid 9.
- the driver ring 12 may be operated spontaneously, for example by pushing the push button 30 on the free second end of the gear rod 25 or - if existing - by turning a crank handle coupled to the driver ring 12.
- the gear rod 25 may directly cooperate with the gear ring 21 and may be oriented horizontally.
- the push button 30 may be arranged at the side of the container.
- the driver ring 12 is driven manually, e.g. by closing the lid 9 or by pushing the push button 30 by hand.
- motorized operation is imaginable as well.
- a switch which is actuated when the lid 9 is closed respectively when the rod 25 is pushed, can start a timer and a motor coupled to the driver ring 12. In this way, the driver ring 12 automatically turns for some (defined) time.
- the storage cassette 17 is simply placed onto the holder 16 and freely turns when the driver ring 12 is operated.
- the holder 16 and the storage cassette 17 may also synchronously move with the driver ring 12 when the holder is fixed to the driver ring 12.
- the storage cassette 17 may also be fixed to the holder 16 (so as to avoid co-rotation with the driver ring 12).
- a free wheel unit avoids moving the driver ring 12 back and forth thus twisting and de-twisting the waste storage hose 13 when the gear rod 25 is pushed and released.
- the elastic flaps/lids 15 may be shaped asymmetrically (e.g. like saw teeth) for that reason.
- the fastener 28 may be used to improve the twisting function. After disposal of waste, the container is opened by pushing the button 6 and by lifting the upper container part 2 by use of the handle 5. Then the twisted portion of the waste storage hose 13 is clamped by means of the fastener 28 (see Fig. 5 ).
- a blade 29 is arranged in the region of the fastener 28 respectively in the region of the guiding 26. In this way, a piece may be cut off the waste storage hose 13.
- the use of the waste storage device 1 is not limited to the use of a waste storage hose 13.
- waste storage bags may be used. Simply speaking, the knot 31 may be omitted then.
- the functions disclosed hereinbefore apply to a waste storage bag in an equivalent way, anyway.
- the gear rod 25 is linear/straight. However, this is no necessary condition, and the gear rod 25 may also be arc shaped. Moreover, the gear rod 25 may be oriented inclined or horizontally in contrast to the example shown in the Figures. In this case, the free second end of the push rod 25 may face a wedge of a lid 9, which wedge transforms the vertical or swiveling movement of the lid 9 into a horizontal movement of the push rod 25.
- the gear rod 25 is arranged near to the hinge 10. This allows for short moving distances of the gear rod 25.
- the gear rod 25 may also be arranged vis-à-vis of the hinge 10 and thus at a larger distance from hinge 10 than shown what allows for low actuating forces.
- a waste storage device 1 and a waste storage system 20 are provided, which keep unwanted smell inside a waste storage hose 13 respectively a waste storage bag.
- the waste storage device 1 comprises a gear rod 25, which is movably guided in the container 2, 3 at its first end (here on its lower end), which is coupled to the driver ring 12 and which faces the lid 9 respectively cooperates with the lid 9 on its free second end (here on its upper end).
- the waste storage device 1 provides automatic operation on opening and/or closing of the lid 9, but also allows for proper spontaneous operation on request by means of the push button 30 on the free second end of the gear rod 25.
- Fig. 6 now shows an exploded view of the gear rod mechanism respectively the drive of the waste storage device 1.
- Fig. 6 shows two parts 27a, 27b of the gear box 27, the beveled gear wheel 22, the axle 23, the gear wheel 24, a freewheel unit 32, the gear rod 25 with the thickening / push button 30 and a gear rod spring 33.
- pushing the gear rod 25 causes the gear wheel 24 to turn.
- the freewheel unit 32 which may have a ratchet mechanism or may be friction based, blocks or jams so that the gear wheel 24 and the beveled gear wheel 22 turn in unison / synchronously.
- the beveled gear wheel 22 protrudes through the recess 24 and engages with the driver ring 12 (not shown in Fig. 6 ) thus turning the driver ring 12.
- gear rod spring 33 causes an upward movement of the gear rod 25 and brings the gear rod 25 to its idle position.
- gear rod 25 moves upwards, the freewheel unit 32 does not block or jam so that beveled gear wheel 22 stands still while the gear wheel 24 is turned by the moving gear rod 25.
- the freewheel unit 32 blocks/jams upon a downward movement of the gear rod 25 and releases upon an upward movement of the gear rod 25. This is a beneficial variant but no necessary condition.
- the freewheel unit 32 may also block/jam upon an upward movement of the gear rod 25 and release upon a downward movement of the gear rod 25.
- the gear rod spring 33 drives the beveled gear wheel 22 and thus the driver ring 12.
- Figures 7 and 8 show an example of a drive for the waste storage device 1, which is very similar to the drive shown in Fig. 6 .
- the freewheel unit 32 is embodied as a friction based freewheel unit.
- Fig. 7 shows a detailed cross sectional side view of said drive
- Fig. 8 shows a cross sectional front view of said friction based freewheel unit.
- freewheel unit of Figures 7 and 8 does not comprise a dedicated housing and is not embodied as a stand-alone device, but parts of the freewheel unit are formed by the beveled gear wheel 22 and gear wheel 24 itself.
- the freewheel unit comprises rollers 35, which are arranged between the gear wheel 24, which forms an inner, driven shaft, and the beveled gear wheel 22, which forms an outer sleeve.
- the rollers 35 are arranged in wedged respectively tapered notches 36 of the gear wheel 24 and are hindered to fall out of the notches 36 by the inner cylindrical surface of the beveled gear wheel 22.
- the rollers 35 are spring-loaded by roller springs 37.
- Optional pressing plates 38 may be used to transmit the spring force onto the rollers 35.
- a particular advantage of the friction based freewheel unit is that it works very silently and is almost inaudible. In this way, a user of the waste storage device 1, and in particular a (sleeping) baby, is not bothered by the sound of the waste storage device 1.
- the freewheel unit 32 is arranged between the gear wheel 24 and the beveled gear wheel 22. While this is a beneficial solution, this is no necessary condition, and the freewheel unit 32 may also be arranged at another position in the drive for the waste storage device 1.
- Fig. 9 now shows an oblique view of an exemplary tying device/cutting device 39 from the top side.
- the tying/cutting device 39 comprises two pin-like portions 40, 41 with a slit 42 in-between.
- the hose 13 may be tied into a knot 31 easily.
- the hose 13 is wound around the two pins 40, 41 and then threaded between said pins 40, 41 and through the generated loop of the hose 13 (see the movement path shown in Fig. 9 ).
- the final downward movement does not just finish the knot 31 but also slips the finished knot 31 off the tying/cutting device 39.
- the waste storage device 1 for example allows for carrying a baby in one hand and for disposing a diaper and tying the plastic hose 13 into a knot 31 with the other hand.
- the movement path starting on the left side as shown in Fig. 9 is just exemplary, and the movement can also start from other directions, for example from the front side, from the right side, from the back side or from another direction in-between.
- the tying/cutting device 39 of Fig. 9 is embodied as separate device, which may be mounted to the body of the waste storage device 1 by means of a snap fit connection or a frictional connection, when it is designed to be removable.
- the waste storage device 1 may comprise multiple mounting or receiving positions for arbitrarily and in particular removably mounting the tying/cutting device 39. It is also possible to mount multiple tying/cutting devices 39 at the mounting/receiving positions. For example, two tying/cutting devices 39 can be mounted at two of three mounting/receiving positions.
- the tying/cutting device(s) 39 may also be permanently mounted to the body of the waste storage device 1 by means of an adhesive or by means of welding, for example.
- the tying/cutting device(s) 39 may also be a part of the waste storage device 1.
- one of the pin-like portions 40, 41 is formed by the gear rod guiding 26. That means, that the gear rod guiding 26 and the holder 28 shown in Figs. 1 to 7 form the pin-like portions 40, 41 of the tying/cutting device 39 shown in Fig. 9 . Furthermore, this means that the gear rod guiding 26 and the holder 28 are not just for clamping the hose 31 in-between as shown in Fig. 5 , but may also be intended to tie a knot 31 into the hose 31.
- the waste storage device 1 may have a very compact design.
- gear rod guiding 26 may be one part or comprised of more gear rod guiding parts 26a, 26b as it is shown in Figs. 6 and 7 .
- the tying/cutting device 39 comprises a blade 29 arranged in the slit 42.
- the plastic hose 13 may be cut easily.
- the blade 29 is optional. If there is no blade 29, the device 39 shown in the Fig. 9 is just a tying device.
- the waste storage device 1 may comprise any number of separate tying devices and cutting devices for providing a tying function and cutting function.
- the axes of the two pin-like portions 40, 41 are substantially parallel and the ends of the two pin-like portions 40, 41 point in basically the same direction (and not in opposed directions).
- both ends point downwards (and not downwards and upwards).
- substantially parallel in this context in particular means that an angle ⁇ between the axes of the two pin-like portions 40, 41 is equal to or less than 10°. For this reason, the loop for the knot 31 is well held on the tying/cutting device 39 during making the knot 31, and the knot 31 in the hose 13 can slipped off the tying/cutting device 39 very easily.
- the angle ⁇ between the axes of the two pin-like portions 40, 41 may be up to 60° (see also the stylized two pin-like portions 40, 41 shown as "vectors" in the right region of Fig. 9 ). If so, the loop of the hose 13 is better held on the tying/cutting device 39 during making the knot 31. The bigger the angle the lower is the risk that the knot 31 slips off the tying/cutting device 39 unintentionally. However, angles above 60° may cause catching the knot 31 on the tying/cutting device 39.
- the slit 42 is bordered by parallel walls.
- the slit 42 may also be V-shaped and open towards the ends of the two pin-like portions 40, 41. For this reason the hose 13 may be thread through the loop even more easily then.
- the tying/cutting device 39 may comprise an optional stopper 43 arranged at a distance from the free end of the pins 40, 41.
- the stopper 43 is arranged at the end of the slit 42 or before the end of the slit 42.
- the tying/cutting device 39 comprises a depression 44 arranged on and running along the pin-like portions 40, 41.
- waste storage device 1 respectively the waste storage system 20 may have more or less parts than shown in the Figures.
- the waste storage device 1 respectively the waste storage system 20 and parts thereof may also be shown in different scales and may be bigger or smaller than depicted.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Receptacles (AREA)
Description
- The invention relates to a waste storage device, comprising a container with a container opening and a lid pivotably mounted to the container to open and close the container opening. Furthermore, the waste storage device comprises a driver ring, which is rotatably mounted to the container in the region of the container opening and which is designed to catch a waste storage bag or waste storage hose guided through a center opening of the driver ring. Additionally, the waste storage device comprises a gear rod, which is movably guided in the container at its first end and which is coupled to the driver ring. Moreover, the invention relates to a waste storage system, comprising a waste storage device of said kind and a storage cassette containing a waste storage bag or waste storage hose.
- A waste storage device of the kind above is generally known and used for disposal of all kind of waste, particularly also for disposal of baby and/or adult diaper and/or other personal waste material. Some waste causes unwanted smell and every time the waste storage device is opened for disposal of new waste, smell of waste, which is already disposed in the waste storage device, leaks from said device what is quite unpleasant for most users.
- For example,
US 2002/0162304 A1 discloses a waste storage device with an arc shaped gear rod, which is fixed to a lid of a container. When the lid is actuated, a plastic hose receiving waste is twisted automatically so as to keep unwanted smell inside. However, if the twisting is not sufficient for satisfactory sealing, the user cannot twist the hose for some additional turns. The only thing he can do is to move the lid upwards and downwards to further twist the hose what is quite inconvenient. Even worse, the movement of the lid causes an air stream distributing the unwanted smell in the room. -
US 8,215,089 B2 andUS 2010/0005762 form further prior art showing an automatically operated waste storage device having the same drawbacks. -
US 9,102,467 B2 -
DE 20 2005 015 117 U1 andDE 20 2006 004 159 U1 disclose similar solutions having the same drawbacks likeUS 9,102,467 B2 foot pedal DE 20 2005 015 117 U1 andDE 20 2006 004 159 U1 disclose a push rod to cause a twisting and closing of the hose. The waste container ofDE 20 2005 015117 U1 is in accordance with the preamble of claim 1. - Accordingly, a problem of the invention is to provide a waste storage device and a waste storage system, which improves the sealing of a waste storage hose and better avoids leaking of unwanted smells. In particular, the waste storage device shall provide automatic operation on opening and/or closing of the lid, but also allow for proper spontaneous operation on request. The problem of the invention is solved by a waste storage device as defined in the opening paragraph, wherein the gear rod is configured to face the lid respectively to cooperate with the lid on the free second end of the gear rod and wherein a movement of the lid causes a movement of the gear rod and of the driver ring and also causes a twisting and closing of the waste storage hose.
- Furthermore, the problem of the invention is solved by a waste storage system, comprising a waste storage device of the above kind and a storage cassette containing a waste storage bag or waste storage hose.
- Advantageously, the waste storage hose or waste storage bag is twisted and thereby closed automatically by a rotational movement of the driver ring when the lid is opened and/or closed. On the one hand, the lid provides a smell protection by closing the container opening. On the other hand, smell protection is provided by twisting the waste storage hose or waste storage bag when the gear rod is pushed downwards by the lid. In this way, unwanted smell is kept inside the waste storage hose respectively waste storage bag. In addition, the user can spontaneously actuate the gear rod by pushing it on its free second end and in turn the driver ring without moving the lid if - for example - he considers the automatic twist by the lid as insufficient in particular cases.
- Generally, the driver ring may be actuated respectively rotated without the need to touch it or the waste storage hose / waste storage bag, which is guided through the center opening of the driver ring.
- Further advantageous embodiments are disclosed in the claims and in the description as well as in the Figures.
- In a beneficial embodiment of the invention, the driver ring comprises a toothing respectively a gear ring coupled to the gear rod. In this way, the movement of the gear rod is converted into a rotation.
- It is particularly advantageous if the driver ring comprises a toothing respectively a gear ring cooperating with a bevel gear wheel, which is coupled to a gear wheel cooperating with the gear rod. A movement of the lid then causes a movement of the gear rod, the gear wheel, the beveled gear wheel and of the driver ring so that the waste storage hose is twisted and closed. By the proposed measures, the moving direction of the gear rod may be oriented parallel to the rotational axis of the driver ring. Accordingly, the gear rod may be actuated from the top side if said moving direction respectively said axis is oriented vertically.
- In yet another beneficial embodiment, the gear rod is coupled to a freewheel unit. Particularly, the bevel gear of the above embodiment may comprise a freewheel unit. However, a freewheel unit may be used in any other wheel of a driving mechanism as well. By means of the freewheel unit, twisting and following untwisting of the waste storage hose or waste storage bag is avoided if, for example, the gear rod is moved forth and back respectively up and down. The freewheel unit may comprise a ratchet mechanism to perform the above function. However, it is particularly advantageous if the freewheel unit is friction based. Such a friction based freewheel unit usually comprises spring-loaded rollers, which are arranged between an inner, driven shaft and an outer sleeve. Concretely, the rollers are arranged in wedged respectively tapered notches of the shaft and are hindered to fall out of the notches by the inner cylindrical surface of the sleeve. Rotating in one direction, the rollers get jammed in the tapered space between said notches and inner cylindrical surface of the sleeve, making the shaft and the sleeve rotate in unison. When the shaft is rotated in the other direction, the rollers just slip over the inner cylindrical surface of the sleeve. In this case the sleeve stands still, even if the shaft is rotated. A particular advantage of the friction based freewheel unit is that it works very silently and is almost inaudible. In this way, a user of the waste storage device, and in particular a (sleeping) baby, is not bothered by the sound of the waste storage device.
- It should be noted at this point, that the application of a friction based freewheel unit in a waste storage device may also be useful without the limitations of claim 1, that means without the gear rod cooperating with the lid on its free second end. Accordingly, the application of a friction based freewheel unit in a waste storage device may form the base of an independent invention. The drive for the driver ring may be designed differently then. For example, the gear rod may be fixed to the lid or may be pivotally mounted to the lid. The gear rod may also be arranged at a distance from the lid. The gear rod may also be oriented differently, for example horizontally, and extend through a side wall of the waste storage device. Finally, there is no gear rod necessary at all, and the friction based freewheel unit may also be used in combination with a crank to drive the driver ring. The independent invention may be defined as follows:
- Waste storage device, comprising
- a container with a container opening,
- a driver ring, which is rotatably mounted to the container in the region of the container opening and which is designed to catch a waste storage bag or waste storage hose guided through a center opening of the driver ring, and
- a drive for the driver ring comprising a friction based freewheel unit.
- In a beneficial embodiment of the invention(s), the gear rod is linear/straight. Accordingly, pushing the gear rod is done by a linear movement, which can be performed easily by humans. Furthermore, manufacturing of a linear/straight gear rod is comparably easy. That is why the proposed waste storage device can be put into practice with simple technical means. In yet another beneficial embodiment, the gear rod is oriented vertically. Accordingly, the gear rod is pushed downwards for actuating the twisting mechanism. A downward movement can be performed easily by humans as well.
- Moreover, the gear rod is arranged vis-à-vis of a hinge mounting the lid to the container in a beneficial embodiment of the waste storage device. In this way, the moving distance of the gear rod is comparably long. That is why just low forces are necessary for operation, and the twisting mechanism may be operated easily.
- The gear rod may be spring loaded in yet another beneficial embodiment so that it automatically moves into its idle position after actuation. Accordingly, no movement back and forth is necessary for actuating the twisting mechanism, but just a pushing or pulling movement.
- Beneficially, the driver ring is manually driven during operation, either directly or indirectly. In this way, the need for an energy source or a connector to a power grid may be omitted. Nevertheless, the driver ring may also be driven by an (electric) motor, again either directly or indirectly.
- Advantageously, the driver ring comprises a funnel with elastic flaps/lids. Accordingly, putting waste into the waste storage hose or waste storage bag is eased. Moreover, the elastic flaps/lids rebound to their idle position after waste is disposed and thus close the waste storage hose or waste storage bag even before the driver ring is rotated.
- In a further advantageous embodiment, the waste storage device comprises a fastener, which is mounted to the container and which is designed to fix the waste storage bag or waste storage hose. In this way, closing of the waste storage hose or waste storage bag by twisting the same is improved.
- In yet another particular advantageous embodiment, the waste storage device comprises at least one tying device for holding the hose when knotting the same, which tying device comprises two pin-like portions with a slit in-between. By these measures, the hose may be knotted easily. To tie a knot, the hose is wound around the two pins and then threaded between said pins and through the generated loop. This movement may easily be performed by one hand. Accordingly, the proposed waste deposition device enables most users to knot the hose by use of just one hand in the first place respectively for the first time. In contrast, one normally needs two free hands for tying or making a knot. So the waste deposition device for example allows for carrying a baby in one hand and for disposing a diaper and tie the plastic hose into a knot with the other hand.
- It is advantageous if the distance between axes of the two pin-like portions increases towards the ends of the two pin-like portions and if an angle between said axes measured in the region of the two opening pin-like portions is equal to or less than 60°. That also means that the ends of the two pin-like portions point in basically the same direction (and not in opposed directions). By means of said measures, the loop of the hose is well held on the tying device during making the knot, and the knot in the hose can slipped off the tying device easily. The bigger the angle the lower is the risk that the knot slips off unintentionally. However, angles above 60° may cause catching the knot on the tying device.
- It is also advantageous if the axes of the two pin-like portions are substantially parallel and if the ends of the two pin-like portions point in basically the same direction (and not in opposed directions). "Substantially parallel" in this context in particular means that an angle between the axes of the two pin-like portions is equal to or less than 10°. In other words, the distance between axes of the two pin-like portions does not substantially increase towards the ends of the two pin-like portions, and an angle between said axes measured in the region of the two opening pin-like portions is equal to or less than 10°. For this reason, the knot in the hose can slipped off the tying device even more easily.
- Advantageously, the slit is V-shaped and opens towards the ends of the two pin-like portions. For this reason, the hose may be thread through the loop easily. However, the slit may also be bordered by parallel walls.
- Advantageously, a blade is arranged in the slit. Hence, the hose may be cut easily. Because of the blade, a combined tying/cutting device is provided.
- In yet another advantageous embodiment, a stopper is arranged at a distance from the free end of the pin-like portions. Particularly, the stopper is arranged at the end of the slit or before the end of the slit. By these measures, an undesired slipping of the hose into an unslit portion of the tying device what would hinder guiding the hose between the pins and through the loop of the hose is avoided.
- In yet another advantageous embodiment, the tying device comprises a depression arranged on and running along the pin-like portions. In this way, the one making the knot can even more easily put a finger, in particular his thumb, through the loop formed by the hose wound around the two pins. Accordingly, it is even more easy to finish the knot by threading the free end of the rope-like or tube-like item through the loop.
- In yet another particular advantageous embodiment of the waste storage device, one of the pin-like portions is formed by a gear rod guiding for the gear rod. In this way, said pin performs a double function, and the waste storage device may have a very compact design then. In this context, it is also beneficial if the first pin-like portion is formed by the gear rod guiding, and the second pin-like portion is formed by the fastener.
- In another advantageous embodiment, the waste storage device comprises a holder for receiving a ring-shaped storage cassette containing the waste storage bag or waste storage hose. Accordingly, waste can be disposed many times without the need of changing the storage cassette.
- Beneficially, the holder is mounted to the container. In a preferred embodiment, the storage cassette is simply laid onto the holder. It may freely turn so as to follow the movement of the driver ring, or it may be fixed to the holder so that a co-rotation with the driver ring is avoided.
- In a further beneficial embodiment, the holder is mounted to the driver ring or comprised thereof for co-rotation. In a preferred embodiment, the storage cassette is simply laid onto the driver ring. Generally, the storage cassette synchronously rotates with the driver ring then. That is why an unwanted twisting of the waste storage hose or waste storage bag in the storage cassette is avoided.
- In a further beneficial embodiment, the waste storage device comprises a crank handle coupled to the driver ring. Thus, alternative means are provided to actuate respectively turn the driver ring without the need to touch it.
- For better understanding the invention, Figures showing embodiments of the invention are presented hereinafter. The Figures schematically show:
- Fig. 1
- a cross section of the waste storage device;
- Fig. 2
- a cross section of the upper part of the waste storage device;
- Fig. 3
- a cross section of the waste storage device at a different angle;
- Fig. 4
- an oblique view onto the waste storage system with open lid;
- Fig. 5
- an oblique view onto the waste storage system with open housing;
- Fig. 6
- an exploded view of the gear rod mechanism of the drive of the waste storage device;
- Fig. 7
- a detailed cross sectional side view of the freewheel unit of the drive of the waste storage device;
- Fig. 8
- a cross sectional front view of an exemplary freewheel unit and
- Fig. 9
- a detailed oblique view of an exemplary tying device from the top side.
- Generally, same parts or similar parts are denoted with the same/similar names and reference signs. The features disclosed in the description apply to parts with the same/similar names respectively reference signs. Indicating the orientation and relative position (up, down, sideward, etc.) is related to the associated Figure, and indication of the orientation and/or relative position has to be amended in different Figures accordingly as the case may be.
-
Figures 1 to 5 show an example of a waste storage device respectively a waste storage system.Fig. 1 shows a cross section AA of the waste storage device,Fig. 2 a cross section of the upper part of the waste storage device,Fig. 3 a cross section BB of the waste storage device,Fig. 4 an oblique view onto the waste storage system with open lid andFig. 5 an oblique view onto the waste storage system with open housing.Fig. 4 moreover shows the orientation of the section planes forFigs. 1 to 3 . - The waste storage device 1 comprises a container with an
upper container part 2 and alower container part 3, both preferably made of plastic. Bothparts first hinge 4 so that theupper container part 2 can be swiveled in relation to thelower container part 3 making the interior space of the container accessible. Ahandle 5 eases opening of the container. In normal operation theupper container part 2 is fixed to thelower container part 3 by means of abutton 6, which latches into arecess 7. By pressing thebutton 6, said locking may be released. - On top of the
container container opening 8, which is be closed by alid 9. Thelid 9 is mounted to theupper container part 2 by means of asecond hinge 10 so that thelid 9 can be swiveled in relation to theupper container part 2 making thecontainer opening 8 accessible. There may also be anoptional spring 11 for automatic opening of thelid 9. - The waste storage device 1 furthermore comprises a
driver ring 12, which is rotatably mounted to the container in the region of thecontainer opening 8 and which is designed to catch a waste storage bag or waste storage hose/tube 13 guided through a center opening of thedriver ring 12. In this example, thedriver ring 12 is mounted on top asupport 14 and comprises an optional funnel with elastic flaps/lids 15. Preferably, the waste storage bag or waste storage hose/tube 13 is made of a plastic film, and preferable the flaps/lids 15 are made of an elastomer. - In addition, the waste storage device 1 comprises a
holder 16 for receiving a ring-shapedstorage cassette 17 containing the waste storage bag orwaste storage hose 13. In this example, thestorage cassette 17 comprises alower ring 18 and atop ring 19. In this example, furthermore thestorage cassette 17 is simply placed onto theholder 16, which is part of theupper container part 2. Accordingly, thewaste storage cassette 17 may freely turn. However, thestorage cassette 17 may also be fixed to the holder 16 (so as to avoid rotation), or theholder 16 may also be mounted to thedriver ring 12 or comprised thereof for co-rotation. One can easily imagine that thestorage cassette 17 will lay on top of thedriver ring 12, if theholder 16 is omitted respectively is part of thedriver ring 12. - The waste storage device 1 together with the
storage cassette 17 form awaste storage system 20. - The
driver ring 12 may comprise a toothing as this is shown in the Figures. Concretely, thedriver ring 12 is attached to respectively comprises agear ring 21 cooperating with agear wheel 22 rotatably mounted to the container by means of anaxle 23. In this example, thegear ring 21 comprises a beveled toothing cooperating with thebevel gear wheel 22. Thebevel gear wheel 22 is coupled to agear wheel 24 cooperating with agear rod 25. - Alternatively, the
gear rod 25 may also directly cooperate with thegear ring 21. Thegear rod 25 is oriented horizontally then. However, it can also be oriented vertically if thecontainer opening 8 is oriented vertically. - In a further alternative, a crank handle may be coupled to the
driver ring 12. For example, theaxle 23 can be made longer as shown and reach out of the container. The crank handle may be mounted to theaxle 23 on the outside of the container then (inFig. 3 on the left side). - The
gear rod 25 is guided in thecontainer gear box 27. Furthermore, the container may comprise afastener 28, which mounted to thegear box 27 and which is designed to fix the waste storage bag or waste storage hose 13 (but see alsoFig. 9 in this context). Anoptional blade 29 may be mounted in the region of the guiding 26 or thefastener 28. Thebevel gear wheel 22 and/or gear wheel 24 (or any other wheel of the driving mechanism) may furthermore comprise a freewheel unit (see alsoFigs. 6 to 8 in this context). In addition, thegear rod 25 may have an optional thickening respectively pushbutton 30 on its top end as this is shown inFig. 3 . - The function of the waste storage device 1 respectively a
waste storage system 20 now is as follows:
In a first step, thestorage cassette 17 is attached to theholder 16, thewaste storage hose 13 is pulled upwards and then fed through thedriver ring 12. Aknot 31 closes the end of thewaste storage hose 13. Thewaste storage system 20 is ready for use now. - In a next step, waste such as baby or adult diaper or other personal waste material can be put into the
storage hose 13 and disposed therein. For this reason, the pop-uplid 9 is automatically opened by thespring 11 when a corresponding button at the front side of the container is pressed. In turn, also thegear rod 25 moves upwards caused by a spring (not shown inFigures 1 to 5 but inFig. 6 ). - Because the
lid 9 opens by simply pushing the button by only one hand of user, the other hand is free to carry a baby for example at the same time. However, thespring 11 may also be omitted. Thelid 9 is opened then by a simple lifting movement. - When waste is thrown through the rotating funnel, the elastic flaps/
lids 15 rebound back to their idle position and close thewaste storage hose 13. When thelid 9 is closed now, it pushes down thegear rod 25. Accordingly, thelid 9 closes thecontainer opening 8 and cooperates with thegear rod 25. The movement of thegear rod 25 causes a rotation of thegear wheel 24, thebeveled gear wheel 22 and finally of thedriver ring 12. Thereby, thewaste storage hose 13 is twisted and closed. - By means of the rebound movement of the elastic flaps/
lids 15 and the twisting movement of the same, smell is kept inside thewaste storage hose 13. The protection against smell may even be improved if thegear rod 25 is spontaneously operated on request in addition to said automatic operation by thelid 9. Thedriver ring 12 may be operated spontaneously, for example by pushing thepush button 30 on the free second end of thegear rod 25 or - if existing - by turning a crank handle coupled to thedriver ring 12. In this context, one should also note that thegear rod 25 may directly cooperate with thegear ring 21 and may be oriented horizontally. In this case, thepush button 30 may be arranged at the side of the container. - In the example above, the
driver ring 12 is driven manually, e.g. by closing thelid 9 or by pushing thepush button 30 by hand. However, motorized operation is imaginable as well. For example, a switch, which is actuated when thelid 9 is closed respectively when therod 25 is pushed, can start a timer and a motor coupled to thedriver ring 12. In this way, thedriver ring 12 automatically turns for some (defined) time. - In the example disclosed above, the
storage cassette 17 is simply placed onto theholder 16 and freely turns when thedriver ring 12 is operated. Theholder 16 and thestorage cassette 17 may also synchronously move with thedriver ring 12 when the holder is fixed to thedriver ring 12. However, thestorage cassette 17 may also be fixed to the holder 16 (so as to avoid co-rotation with the driver ring 12). - In the example above, moreover a free wheel unit avoids moving the
driver ring 12 back and forth thus twisting and de-twisting thewaste storage hose 13 when thegear rod 25 is pushed and released. However, instead or alternatively the elastic flaps/lids 15 may be shaped asymmetrically (e.g. like saw teeth) for that reason. Furthermore, thefastener 28 may be used to improve the twisting function. After disposal of waste, the container is opened by pushing thebutton 6 and by lifting theupper container part 2 by use of thehandle 5. Then the twisted portion of thewaste storage hose 13 is clamped by means of the fastener 28 (seeFig. 5 ). - In a preferred embodiment, a
blade 29 is arranged in the region of thefastener 28 respectively in the region of the guiding 26. In this way, a piece may be cut off thewaste storage hose 13. In this context, it should also be noted that the use of the waste storage device 1 is not limited to the use of awaste storage hose 13. Alternatively, also waste storage bags may be used. Simply speaking, theknot 31 may be omitted then. The functions disclosed hereinbefore apply to a waste storage bag in an equivalent way, anyway. - In the example above, the
gear rod 25 is linear/straight. However, this is no necessary condition, and thegear rod 25 may also be arc shaped. Moreover, thegear rod 25 may be oriented inclined or horizontally in contrast to the example shown in the Figures. In this case, the free second end of thepush rod 25 may face a wedge of alid 9, which wedge transforms the vertical or swiveling movement of thelid 9 into a horizontal movement of thepush rod 25. - In the example shown in the Figures, the
gear rod 25 is arranged near to thehinge 10. This allows for short moving distances of thegear rod 25. However, thegear rod 25 may also be arranged vis-à-vis of thehinge 10 and thus at a larger distance fromhinge 10 than shown what allows for low actuating forces. - Concluding, a waste storage device 1 and a
waste storage system 20 are provided, which keep unwanted smell inside awaste storage hose 13 respectively a waste storage bag. The waste storage device 1 comprises agear rod 25, which is movably guided in thecontainer driver ring 12 and which faces thelid 9 respectively cooperates with thelid 9 on its free second end (here on its upper end). The waste storage device 1 provides automatic operation on opening and/or closing of thelid 9, but also allows for proper spontaneous operation on request by means of thepush button 30 on the free second end of thegear rod 25. -
Fig. 6 now shows an exploded view of the gear rod mechanism respectively the drive of the waste storage device 1. Concretely,Fig. 6 shows twoparts gear box 27, thebeveled gear wheel 22, theaxle 23, thegear wheel 24, afreewheel unit 32, thegear rod 25 with the thickening /push button 30 and agear rod spring 33. As already explained above, pushing thegear rod 25 causes thegear wheel 24 to turn. When moving thegear rod 25 downwards, thefreewheel unit 32, which may have a ratchet mechanism or may be friction based, blocks or jams so that thegear wheel 24 and thebeveled gear wheel 22 turn in unison / synchronously. Thebeveled gear wheel 22 protrudes through therecess 24 and engages with the driver ring 12 (not shown inFig. 6 ) thus turning thedriver ring 12. - When the
gear rod 25 is released, thegear rod spring 33 causes an upward movement of thegear rod 25 and brings thegear rod 25 to its idle position. When thegear rod 25 moves upwards, thefreewheel unit 32 does not block or jam so thatbeveled gear wheel 22 stands still while thegear wheel 24 is turned by the movinggear rod 25. - In the example above, the
freewheel unit 32 blocks/jams upon a downward movement of thegear rod 25 and releases upon an upward movement of thegear rod 25. This is a beneficial variant but no necessary condition. Thefreewheel unit 32 may also block/jam upon an upward movement of thegear rod 25 and release upon a downward movement of thegear rod 25. In this case, thegear rod spring 33 drives thebeveled gear wheel 22 and thus thedriver ring 12. -
Figures 7 and8 show an example of a drive for the waste storage device 1, which is very similar to the drive shown inFig. 6 . In contrast, thefreewheel unit 32 is embodied as a friction based freewheel unit.Fig. 7 shows a detailed cross sectional side view of said drive, andFig. 8 shows a cross sectional front view of said friction based freewheel unit. One should note, that freewheel unit ofFigures 7 and8 does not comprise a dedicated housing and is not embodied as a stand-alone device, but parts of the freewheel unit are formed by thebeveled gear wheel 22 andgear wheel 24 itself. - Concretely, the freewheel unit comprises
rollers 35, which are arranged between thegear wheel 24, which forms an inner, driven shaft, and thebeveled gear wheel 22, which forms an outer sleeve. Therollers 35 are arranged in wedged respectively taperednotches 36 of thegear wheel 24 and are hindered to fall out of thenotches 36 by the inner cylindrical surface of thebeveled gear wheel 22. Therollers 35 are spring-loaded by roller springs 37. Optionalpressing plates 38 may be used to transmit the spring force onto therollers 35. - When the
gear wheel 22 rotates counterclockwise, therollers 35 get jammed in the tapered space between saidnotches 36 and inner cylindrical surface of thebeveled gear wheel 22, making thegear wheel 24 and thebeveled gear wheel 22 rotate in unison. When thegear wheel 24 is rotated clockwise, therollers 35 just slip over the inner cylindrical surface of thebeveled gear wheel 22. In this case thebeveled gear wheel 22 stands still, even if thegear wheel 24 is rotated. - A particular advantage of the friction based freewheel unit is that it works very silently and is almost inaudible. In this way, a user of the waste storage device 1, and in particular a (sleeping) baby, is not bothered by the sound of the waste storage device 1.
- In the examples shown in
Figs. 6 to 8 , thefreewheel unit 32 is arranged between thegear wheel 24 and thebeveled gear wheel 22. While this is a beneficial solution, this is no necessary condition, and thefreewheel unit 32 may also be arranged at another position in the drive for the waste storage device 1. -
Fig. 9 now shows an oblique view of an exemplary tying device/cutting device 39 from the top side. The tying/cutting device 39 comprises two pin-like portions slit 42 in-between. By these measures, thehose 13 may be tied into aknot 31 easily. For that reason, thehose 13 is wound around the twopins pins Fig. 9 ). The final downward movement does not just finish theknot 31 but also slips thefinished knot 31 off the tying/cutting device 39. - This movement may easily be performed by one hand. In contrast, one normally needs two free hands for tying a
knot 31. So the waste storage device 1 for example allows for carrying a baby in one hand and for disposing a diaper and tying theplastic hose 13 into aknot 31 with the other hand. Of course, the movement path starting on the left side as shown inFig. 9 is just exemplary, and the movement can also start from other directions, for example from the front side, from the right side, from the back side or from another direction in-between. - One should note that the tying/
cutting device 39 ofFig. 9 is embodied as separate device, which may be mounted to the body of the waste storage device 1 by means of a snap fit connection or a frictional connection, when it is designed to be removable. The waste storage device 1 may comprise multiple mounting or receiving positions for arbitrarily and in particular removably mounting the tying/cutting device 39. It is also possible to mount multiple tying/cutting devices 39 at the mounting/receiving positions. For example, two tying/cutting devices 39 can be mounted at two of three mounting/receiving positions. - However, the tying/cutting device(s) 39 may also be permanently mounted to the body of the waste storage device 1 by means of an adhesive or by means of welding, for example. Of course, the tying/cutting device(s) 39 may also be a part of the waste storage device 1.
- In this context, it is particularly advantageous if one of the pin-
like portions holder 28 shown inFigs. 1 to 7 form the pin-like portions cutting device 39 shown inFig. 9 . Furthermore, this means that the gear rod guiding 26 and theholder 28 are not just for clamping thehose 31 in-between as shown inFig. 5 , but may also be intended to tie aknot 31 into thehose 31. By integrating the gear rod guiding 26 into the tying/cutting device 39 (respectively tying/cutting device 26, 28), the waste storage device 1 may have a very compact design. According to what is disclosed above, the technical teaching disclosed in the context of the tying/cutting device 39 shown inFig. 9 equally relates the tying/cutting device Figs. 1 to 7 . Thus, "tying/cutting device 39" may be changed to "tying/cutting device rod guiding parts Figs. 6 and7 . - In the example shown in
Fig. 9 the tying/cutting device 39 comprises ablade 29 arranged in theslit 42. In this case, theplastic hose 13 may be cut easily. One should note that theblade 29 is optional. If there is noblade 29, thedevice 39 shown in theFig. 9 is just a tying device. Of course, the waste storage device 1 may comprise any number of separate tying devices and cutting devices for providing a tying function and cutting function. - In the example shown in
Fig 9 , furthermore the axes of the two pin-like portions like portions Fig. 9 both ends point downwards (and not downwards and upwards). "Substantially parallel" in this context in particular means that an angle α between the axes of the two pin-like portions knot 31 is well held on the tying/cutting device 39 during making theknot 31, and theknot 31 in thehose 13 can slipped off the tying/cutting device 39 very easily. However, the angle α between the axes of the two pin-like portions like portions Fig. 9 ). If so, the loop of thehose 13 is better held on the tying/cutting device 39 during making theknot 31. The bigger the angle the lower is the risk that theknot 31 slips off the tying/cutting device 39 unintentionally. However, angles above 60° may cause catching theknot 31 on the tying/cutting device 39. - In this example, the
slit 42 is bordered by parallel walls. However, theslit 42 may also be V-shaped and open towards the ends of the two pin-like portions hose 13 may be thread through the loop even more easily then. - Furthermore, the tying/
cutting device 39 may comprise anoptional stopper 43 arranged at a distance from the free end of thepins stopper 43 is arranged at the end of theslit 42 or before the end of theslit 42. By these measures, an undesired slipping of theplastic hose 13 into an unslit portion of the tying/cutting device 39 when wounding theplastic hose 13 around thepins hose 13 between thepins hose 13. Of course,stoppers 43 may be arranged on both pin-like portions Fig. 9 , the tying/cutting device 39 comprises adepression 44 arranged on and running along the pin-like portions knot 31 can even more easily put a finger, in particular his thumb, through the loop formedplastic hose 13 wound around the twopins knot 31 by threading the free end of theplastic hose 13 through the loop. - It is noted that the invention is not limited to the embodiments disclosed hereinbefore, but combinations of the different variants are possible within the scope of the appended claims. In reality, the waste storage device 1 respectively the
waste storage system 20 may have more or less parts than shown in the Figures. The waste storage device 1 respectively thewaste storage system 20 and parts thereof may also be shown in different scales and may be bigger or smaller than depicted. -
- 1
- waste storage device
- 2
- upper container part
- 3
- lower container part
- 4
- first hinge
- 5
- handle
- 6
- button
- 7
- recess
- 8
- container opening
- 9
- lid
- 10
- second hinge
- 11
- spring
- 12
- driver ring
- 13
- waste storage hose/tube
- 14
- support
- 15
- elastic lid/flap
- 16
- holder
- 17
- storage cassette
- 18
- lower ring
- 19
- top ring
- 20
- waste storage system
- 21
- gear ring / toothing
- 22
- beveled gear wheel
- 23
- axle
- 24
- gear wheel
- 25
- gear rod
- 26, 26a, 26b
- gear rod guiding
- 27, 27a, 27b
- gear box
- 28
- fastener
- 29
- blade
- 30
- thickening / push button
- 31
- knot
- 32
- freewheel unit
- 33
- gear rod spring
- 34
- recess
- 35
- roller
- 36
- wedged/tapered notch
- 37
- roller spring
- 38
- pressing plate
- 39
- tying/cutting device
- 40
- first pin-like portion
- 41
- second pin-like portion
- 42
- slit
- 43
- stopper
- 44
- depression
Claims (17)
- Waste storage device (1), comprising- a container (2, 3) with a container opening (8),- a lid (9), pivotably mounted to the container (2, 3) to open and close the container opening (8),- a driver ring (12), which is rotatably mounted to the container (2, 3) in the region of the container opening (8) and which is designed to catch a waste storage bag or waste storage hose (13) guided through a center opening of the driver ring (12), and- a gear rod (25), which is movably guided in the container (2, 3) at its first end and which is coupled to the driver ring (12),characterized in that
the gear rod (25) is configured to cooperate with the lid (9) on the free second end of the gear rod (25), wherein a movement of the lid (9) causes a movement of the gear rod (25) and of the driver ring (12) and also causes a twisting and closing of the waste storage hose (13). - Waste storage device (1) according to claim 1, characterized in that the driver ring (12) comprises a toothing respectively a gear ring (21) coupled to the gear rod (25).
- Waste storage device (1) according to claim 2, characterized in that the driver ring (12) comprises a toothing respectively a gear ring (21) cooperating with a bevel gear wheel (22), which is coupled to a gear wheel (24) cooperating with the gear rod (25).
- Waste storage device (1) according to claim 3, characterized in that a movement of the lid (9) causes a movement of the gear rod (25), the gear wheel (24), the beveled gear wheel (22) and of the driver ring (12) and also causes a twisting and closing of the waste storage hose (13).
- Waste storage device (1) according to any one of claims 1 to 4, characterized in that the gear rod (25) is arranged vis-à-vis of a hinge (10) pivotably mounting the lid (9) to the container (2, 3).
- Waste storage device (1) according to any one of claims 1 to 5, characterized in that the gear rod (25) respectively the driver ring (12) is manually driven during operation.
- Waste storage device (1) according to any one of claims 1 to 6, characterized in that the driver ring (12) comprises a funnel with elastic flaps/lids (15).
- Waste storage device (1) according to any one of claims 1 to 7, characterized in a fastener (28), which is mounted to the container (2, 3) and which is designed to fix the waste storage bag or waste storage hose (13).
- Waste storage device (1) according to any one of claims 1 to 8, characterized in at least one tying device (39) for holding the hose (13) when knotting the same, which tying device (39) comprises two pin-like portions (40, 41) with a slit (42) in-between.
- Waste storage device (1) as claimed in claim 9, characterized in that a distance between axes of the two pin-like portions (40, 41) increases towards the ends of the two pin-like portions (40, 41) and an angle (α) between said axes measured in the region of the two opening pin-like portions (40, 41) is equal to or less than 60°.
- Waste storage device (1) as claimed in claim 9, characterized in that the axes of the two pin-like portions (40, 41) are substantially parallel, wherein the ends of the two pin-like portions (40, 41) point in basically the same direction.
- Waste storage device (1) as claimed in any one of claims 9 to 11, characterized in that the slit (42) is V-shaped and opens towards the ends of the two pin-like portions (40, 41).
- Waste storage device (1) as claimed in any one of claims 9 to 12, characterized in a blade (29) arranged in the slit (42).
- Waste storage device (1) as claimed in any one of claims 9 to 13, characterized in a stopper (43) arranged at a distance from the free end of the pin-like portion (41).
- Waste storage device (1) as claimed in any one of claims 9 to 14, characterized in a depression (44) arranged on and running along the pin-like portions (40, 41).
- Waste storage device (1) according to any one of claims 1 to 15, characterized in a holder (16) for receiving a ring-shaped storage cassette (17) containing the waste storage bag or waste storage hose (13).
- Waste storage device (1) according to claim 16, characterized in that the holder (16) is mounted to the driver ring (12) or comprised thereof for co-rotation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16164821.7A EP3231736A1 (en) | 2016-04-12 | 2016-04-12 | Waste storage device with smell protection |
EP17153674 | 2017-01-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3231738A1 EP3231738A1 (en) | 2017-10-18 |
EP3231738B1 true EP3231738B1 (en) | 2018-11-07 |
Family
ID=58360938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17162962.9A Not-in-force EP3231738B1 (en) | 2016-04-12 | 2017-03-27 | Waste storage device with smell protection |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3231738B1 (en) |
JP (1) | JP2017206385A (en) |
CN (1) | CN107284916A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900019892A1 (en) | 2019-10-28 | 2021-04-28 | Fater Spa | CONTAINER FOR HOUSEHOLD WASTE, IN PARTICULAR FOR USED ABSORBENT SANITARY PRODUCTS |
Families Citing this family (7)
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KR102033584B1 (en) * | 2018-06-11 | 2019-11-08 | 엄태현 | Waste basket with continuous supply of garbage bag |
CN110182486A (en) * | 2019-05-31 | 2019-08-30 | 赵惠平 | A kind of deodorization municipal administration environmental sanitation dustbin |
JP7332153B2 (en) * | 2019-12-05 | 2023-08-23 | ジェックス株式会社 | waste container |
CN111661527B (en) * | 2020-06-17 | 2021-02-02 | 青岛大学附属医院 | Medical waste disinfection storage barrel |
CN112478504B (en) * | 2020-12-07 | 2022-04-01 | 华南理工大学广州学院 | Working method of automatic bag replacing device |
CN113184415B (en) * | 2021-05-20 | 2022-05-13 | 佳木斯大学 | Medicament dispensing device and operation method |
CN114229285B (en) * | 2021-12-28 | 2023-08-04 | 胡永双 | Garbage bag convenient for garbage classification and real-name system and recognition method thereof |
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US20040250711A1 (en) * | 1999-12-21 | 2004-12-16 | Tibor Ernst | Lid for a refuse container |
US20050044819A1 (en) | 2003-09-02 | 2005-03-03 | Chomik Richard S. | Waste storage device |
EP1390162A4 (en) | 2001-05-02 | 2005-09-14 | Saniquest Ind Corp | Waste disposal devices |
GB0324764D0 (en) * | 2003-10-23 | 2003-11-26 | Sangenic International Ltd | Waste storage device |
CN1931683B (en) * | 2005-09-14 | 2011-06-08 | 香港肯比科拉夫企业有限公司 | Pollutant storing and transporting equipment |
DE202005015117U1 (en) | 2005-09-24 | 2007-02-15 | Melitta Haushaltsprodukte Gmbh & Co. Kg | Container for temporary storage of soiled nappies, comprises mechanism for creation of odor barrier |
DE202006004159U1 (en) | 2006-03-16 | 2007-08-02 | Melitta Haushaltsprodukte Gmbh & Co Kommanditgesellschaft | Device for disposing of hygiene articles |
JP4915165B2 (en) * | 2006-08-02 | 2012-04-11 | 豊田合成株式会社 | Cup holder |
EP2303724A1 (en) * | 2008-05-19 | 2011-04-06 | Sangenic International Ltd | Waste storage device |
US8215089B2 (en) | 2008-07-14 | 2012-07-10 | David Stravitz | Waste disposal devices |
US20100005762A1 (en) | 2008-07-14 | 2010-01-14 | Stravitz David M | Waste Disposal Devices |
US8393489B1 (en) * | 2008-12-17 | 2013-03-12 | David M Stravitz | Medical waste disposal device with self-closing lid |
CN204530913U (en) * | 2015-03-25 | 2015-08-05 | 李海红 | Mobile deodorizing closestool is used in a kind of slide plate baffle type nursing |
CN204802247U (en) * | 2015-07-17 | 2015-11-25 | 刘小娜 | Storage tank in space is opened to optional |
CN105253498A (en) * | 2015-11-26 | 2016-01-20 | 张苗苗 | Garbage can |
-
2017
- 2017-03-27 EP EP17162962.9A patent/EP3231738B1/en not_active Not-in-force
- 2017-04-10 CN CN201710228965.XA patent/CN107284916A/en active Pending
- 2017-04-11 JP JP2017078351A patent/JP2017206385A/en active Pending
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900019892A1 (en) | 2019-10-28 | 2021-04-28 | Fater Spa | CONTAINER FOR HOUSEHOLD WASTE, IN PARTICULAR FOR USED ABSORBENT SANITARY PRODUCTS |
Also Published As
Publication number | Publication date |
---|---|
CN107284916A (en) | 2017-10-24 |
EP3231738A1 (en) | 2017-10-18 |
JP2017206385A (en) | 2017-11-24 |
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