Kitchen appliance with removable pull string actuation device

Abstract

The kitchen utensil comprises a working unit (3) comprising a bowl (4), a lid (5), and a rotating accessory (6) rotatable about an axis of rotation (A); a pull string drive device (11) comprising a body (12), a drive wheel (14) housed in the body (12), a string (15) configured to be wound around the drive wheel (14), and a handle (16) connected to the string (15); a locking system (23) configured to manually rotate the rotating accessory (6) by pulling the string (15) laterally to the axis of rotation (A); and a locking system (23) configured to temporarily and reversibly secure the body (12) to the lid (5) and prevent rotational movement of the body (12) relative to the lid (5) and along the axis of rotation (A).

Description

[Technical Field]

[0001] The field of the invention is that of non-motorized, manually operated, automatically retractable cable reels for transmitting motion from one part to another by pulling on a cable or string. [Background technology]

[0002] There are already known pull-string drive mechanisms intended to transmit rotational motion to objects or working units. These mechanisms are often used as handheld drive devices for kitchen appliances such as salad spinners, choppers, ricers, juicers, and blenders.

[0003] US Patent No. 5,949,999 discloses a kitchen utensil with a manually operated pull string that allows a user to cut food by rotating a cutting blade when pulling a handle connected to the string.

[0004] The kitchen appliance described in Patent Document 1 specifically includes a manually operated pull-string drive mechanism located inside the lid of the kitchen appliance. This drive mechanism is complex to assemble because the parts of the drive mechanism cooperate with each other and can only be assembled while the lid of the kitchen appliance is being assembled. One drawback is that once the drive mechanism is placed in the lid, it is inaccessible and permanently attached to the lid to which it is attached during use. Therefore, it is impossible to release or move the drive mechanism, which is fixed to and permanently connected to the lid.

[0005] Another drawback is that assembling this type of drive mechanism onto the lid is tedious, complicated, and cannot be automated, so the utensil assembly cannot be separated from the drive mechanism assembly. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] US Patent Application Publication No. 2008 / 0164357 Summary of the Invention

[0007] SUMMARY OF THE INVENTION The present invention aims to remedy the aforementioned drawbacks and provide a kitchen appliance with a simple, removable, manually operated pull string actuation device that is separate from the rest of the appliance.

[0008] The present invention relates to kitchen appliances, an operating unit comprising a bowl, a lid configured to close said bowl, and a rotating accessory arranged in said bowl and mounted rotatably around a rotation axis; a string drive device comprising: a body; a drive wheel housed in the body and configured to be coaxially disposed relative to a rotation axis; a string configured to be wound around the drive wheel, a first end fixed to the drive wheel, a second end opposite the first end, and a handle connected to the second end of the string and configured to pull the string to rotate the drive wheel in one rotational direction, wherein the string drive device is configured to manually rotate a rotating accessory about the rotation axis by pulling the string transversely to the rotation axis; The pull-string actuation device is configured to be self-contained and detachable relative to the lid, and the kitchen appliance includes a locking system configured to temporarily and reversibly secure a body of the pull-string actuation device to the lid, the locking system being further configured to prevent, and more specifically inhibit, rotational movement of the body relative to the lid and along the axis of rotation when the body is secured to the lid.

[0009] The term "removable" should be understood to mean that the user can remove the pull string drive device from the lid without disassembly and can temporarily or permanently replace the pull string drive device on the lid.

[0010] The pull string drive of the kitchen utensil according to the present invention is easily adaptable to kitchen utensils of any shape and geometry and offers the advantage of being manufactured separately from the rest of the bowl and the lid of the kitchen utensil. Thus, the pull string drive of the kitchen utensil according to the present invention is standalone and ready to operate at any time. Because the pull string drive of the kitchen utensil according to the present invention is not pre-assembled to the lid, it is fully accessible and its handling is limited.

[0011] Additionally, the pull string drive of the kitchen utensil according to the present invention offers the advantage of being a self-contained, releasable subassembly, meaning that it is configured to be transferable from one kitchen utensil to another, or that it is replaceable or repairable. Indeed, it is believed that the pull string drive of the kitchen utensil according to the present invention can be transferred from one lid to another by releasing it from the bowl lid without disassembling the pull string drive or affecting the string tension. Thus, the pull string drive device according to the present invention is versatile.

[0012] A further advantage of the present invention is that the pull string actuation device is designed to be manufactured and transported separately from the rest of the kitchen appliance in which it is used, thus offering a high degree of industrial autonomy.

[0013] Yet another advantage of the present invention is that the operating unit can be detached from the pull string drive device and therefore washed separately from the pull string drive device, for example in a dishwasher.

[0014] Furthermore, the risk of contact between the food in the work unit and the pull string drive is greatly reduced by the fact that the lid forms the interface between the drive part of the kitchen utensil and its food part, limiting the risk of food splashing and staining of the pull string drive.

[0015] The particular configuration of the locking system further ensures that the forces applied to the body (each time the string is pulled) are absorbed by the lid and not by the coupling means configured to transmit the rotation of the drive wheel to the rotating accessory, protecting the integrity of these coupling means and therefore the integrity of the kitchen appliance.

[0016] The particular configuration of the locking system significantly reduces the risk of inadvertent disconnection between the pull string actuation device and the lid, for example, when a user pulls a string that is oriented tangentially to the axis of rotation and therefore generates a torque on the body.

[0017] The kitchen appliance according to the invention may also have one or more of the following characteristics, either alone or in combination:

[0018] According to one embodiment of the present invention, the rotating accessory is a rotating processing tool configured to process food received in a bowl, for example, to mix, beat, whisk, grate, chop, cut, blend, combine, emulsify and / or knead the food received in the bowl when a user pulls a handle connected to a string.

[0019] According to one embodiment of the present invention, the pull string drive device comprises a return spring contained in an inner housing separated by a body and configured to be arranged coaxially relative to the rotation axis, the return spring being configured to rotate the drive wheel in a direction of rotation opposite to the direction of rotation, advantageously corresponding to unwinding the string from the drive wheel and rotation in the opposite direction corresponding to winding the string around the drive wheel.

[0020] According to one embodiment of the present invention, when the body is secured to the lid, the locking system is configured to prevent translational movement of the body relative to the lid in a direction of movement parallel to the axis of rotation and in a plane of movement perpendicular to the axis of rotation. These provisions further limit the risk of inadvertent disconnection between the pull string drive device and the lid (e.g., when lifting the kitchen utensil by grasping the pull string drive device) and also limit the risk of misalignment of the rotating accessory and drive wheel when the kitchen utensil is in use.

[0021] According to one embodiment of the present invention, the locking system is configured to secure the body translationally and rotationally relative to the lid when the body is secured to the lid.

[0022] According to one embodiment of the present invention, a locking system includes a securing device configured to temporarily and reversibly secure a body of a pull string drive to a lid, the securing device including at least one securing member provided on the body and at least one securing component provided on the lid, the at least one securing member configured to occupy a secured position configured to cooperate with the at least one securing component to secure the body to the lid and a released position configured to release the at least one securing component to allow the pull string drive to be removed from the lid.

[0023] According to one embodiment of the present invention, the at least one fixing member is disposed at the bottom of the body.

[0024] According to one embodiment of the present invention, the fixing device is configured to prevent translational movement of the body relative to the lid in the direction of travel.

[0025] According to one embodiment of the present invention, the at least one locking member is mounted so as to be movable relative to the body between a locked position and a released position.

[0026] According to one embodiment of the present invention, the at least one securing member is hinged to the body about a hinge pin configured to be substantially parallel to the axis of rotation when the body is secured to the lid.

[0027] According to one embodiment of the present invention, the at least one fixing member is a fixing bracket, a fixing pin, or a fixing clamp.

[0028] According to one embodiment of the invention, the locking device comprises return means configured to return the at least one locking member to the locking position.

[0029] According to one embodiment of the present invention, the kitchen appliance comprises an actuation mechanism configured to move at least one locking member to a release position when the actuation mechanism is operated by a user.

[0030] According to one embodiment of the present invention, the locking system is configured such that removal of the pull string actuation device from the lid includes a first stage in which at least one securing member is moved to a release position by actuating an actuation mechanism, and a second stage in which the body is moved translationally relative to the lid in the direction of travel.

[0031] According to one embodiment of the present invention, the actuation mechanism is provided on a pull string drive device.

[0032] According to one embodiment of the present invention, the actuation mechanism comprises an actuation portion that is at least partially housed in the body and configured to protrude through an opening in the body provided on an outer wall of the body, for example on the outer peripheral wall of the body.

[0033] According to one embodiment of the present invention, the main body includes a lower housing that opens to a lower surface of the main body, and the lower housing is configured to at least partially accommodate at least one fixing part provided on the lid when the main body is fixed to the lid. In other words, when the main body is fixed to the lid, the lower housing opens downward toward the lid.

[0034] According to one embodiment of the present invention, the lower housing has a polygonal cross section, for example a hexagon.

[0035] According to one embodiment of the present invention, the at least one locking member is configured to protrude into the lower housing when the at least one locking member occupies the locked position.

[0036] According to one embodiment of the present invention, the fixing device comprises two fixing members, e.g., two fixing clamps, mounted so as to be movable relative to the body between a fixing position in which the first and second fixing members are adjacent to each other and configured to cooperate with at least one fixing component provided on the lid, and a release position in which the two fixing members are spaced apart and configured to release the at least one fixing component. Advantageously, the two fixing members, e.g., the two fixing clamps, are arranged opposite each other.

[0037] According to one embodiment of the present invention, the at least one fixing component comprises a fixing hole configured to at least partially accommodate the at least one fixing member when the at least one fixing member is in the fixed position. The at least one fixing component may be, for example, a bracket comprising a fixing hole or a fixing hoop defining the fixing hole.

[0038] According to one embodiment of the present invention, the locking system comprises a rotational locking device configured to prevent rotational movement of the body relative to the lid when the body is secured to the lid, more particularly to prohibit rotational movement along a rotational axis, the rotational locking device comprising at least one rotational locking member provided on the body and at least one rotational locking component provided on the lid and configured to cooperate with the at least one rotational locking member when the body is secured to the lid.

[0039] According to one embodiment of the present invention, the at least one rotation locking member and the at least one rotation locking component are configured to align the central axis of the drive wheel with the rotation axis when the body is secured to the lid, thus preventing the pull string drive device and the operating unit from deviating from the rotation axis and becoming misaligned with the bowl guide axis when the string is pulled or when food is pushed while being processed in the bowl.

[0040] According to one embodiment of the present invention, the rotational locking device forms an angular indexing device configured to define one or more assembly positions for the body and the lid.

[0041] According to one embodiment of the present invention, the fixing device and the rotation locking device are separated from each other.

[0042] According to one embodiment of the present invention, the lower housing forms at least one rotation locking member.

[0043] According to one embodiment of the present invention, the at least one rotation lock component includes a rotation lock protrusion provided on the upper surface of the lid and configured to be directed upward when the working unit is at rest on a horizontal surface, the rotation lock protrusion being configured to extend, for example, continuously or discontinuously around the rotation axis.

[0044] According to one embodiment of the present invention, the rotation locking projection is configured to be arranged coaxially with respect to the rotation axis.

[0045] According to one embodiment of the present invention, the lower housing is configured to at least partially accommodate the rotation locking projection when the body is secured to the lid.

[0046] According to one embodiment of the invention, the rotation locking projection is polygonal in shape, for example hexagonal in shape. Advantageously, the rotation locking projection has a shape complementary to the shape of the lower housing.

[0047] According to one embodiment of the present invention, the rotation locking projection includes a locking rib extending from the upper surface of the lid and configured to face upward when the working unit is resting on a horizontal surface, and a retaining rim projecting laterally outward from the locking rib and spaced from the rotation axis, the retaining rim at least partially forming at least one fixing part.

[0048] According to one embodiment of the present invention, the retaining rim extends continuously or discontinuously around the axis of rotation.

[0049] According to one embodiment of the invention, the locking rib and the retaining rim define at least one retaining housing, which is advantageously ring-shaped and extends around the axis of rotation.

[0050] According to one embodiment of the present invention, the rotation locking projection has a hook-shaped cross section so that it can hook at least one fixing member.

[0051] According to one embodiment of the present invention, the locking rib is oriented perpendicularly upwards on a main portion of the lid that extends around the rotation locking projection.

[0052] According to one embodiment of the present invention, when the body is secured to the lid, the at least one rotational locking member and the at least one rotational locking component are further configured to prevent translational movement of the body relative to the lid in the plane of movement.

[0053] According to another embodiment of the invention, the locking system may include a translational locking device, different from the rotational locking device, configured to prevent translational movement of the body relative to the lid along the movement surface when the body is secured to the lid.

[0054] According to one embodiment of the present invention, the rotating accessory includes a coupling member, and the drive wheel includes a coupling component configured to be mechanically coupled to the coupling member when the body is secured to the lid, transmitting rotational motion from the drive wheel to the rotating accessory.

[0055] According to one embodiment of the present invention, the lid comprises a central through hole, the coupling member is arranged facing the through hole or configured to protrude through the central through hole, and the coupling component is configured to cooperate with the coupling member by a mechanical coupling.

[0056] According to one embodiment of the present invention, the mechanical coupling is male / female.

[0057] According to one embodiment of the present invention, the coupling component is a female coupling component and the coupling member is a male coupling member.

[0058] According to one embodiment of the present invention, the rotation locking projection defines a central housing having a bottom wall with a central through-hole formed therein.

[0059] According to one embodiment of the present invention, the bottom wall comprises a bottom surface that extends around the central through-hole and converges downwardly towards the central through-hole.

[0060] According to one embodiment of the present invention, the locking system is configured to prevent any movement of the body relative to the lid when the body is secured to the lid, up to the nearest functional clearance.

[0061] According to another embodiment of the present invention, the work unit is attached to the lid and includes a drive interface configured to be rotatably attached to the coupling member, the drive interface configured to cooperate with a coupling component provided on the drive wheel by a mechanical coupling to transmit rotational motion from the drive wheel to the rotating accessory.

[0062] According to one embodiment of the present invention, the drive interface includes a coupling housing configured to receive a coupling member.

[0063] According to one embodiment of the present invention, the kitchen appliance includes a connection device, such as a bayonet fastening or locking system, configured to removably secure the lid to the bowl, which effectively centers the lid on the bowl and aligns the axis of the lid with the axis and rotational axis of the bowl.

[0064] According to one embodiment of the present invention, the connection device comprises several connection members provided on the bowl and distributed around the axis of rotation, and several connection components provided around the periphery of the lid and each configured to cooperate with a connection member. Advantageously, the connection members are provided outside the internal volume bounded by the bowl, more particularly on the outer surface of the bowl, making the bowl easier to clean.

[0065] According to one embodiment of the present invention, the pull string drive device comprises a string guide fixed to the body and configured to guide the string when pulled. The presence of such a string guide prevents damage to the body as the string moves back and forth. Advantageously, the string guide can be made of brass, ceramic, or metal, or any material that, when in contact with the string, is not altered by heating of the string due to friction of the string during its movement.

[0066] According to one embodiment of the present invention, the string guide is tubular and defines an interior channel configured to allow the string to pass therethrough.

[0067] According to one embodiment of the present invention, the body of the pull string drive device includes an offset component configured to move the handle away from the axis of rotation in a radial direction to tension the string in a radial direction relative to the axis of rotation.

[0068] According to one embodiment of the present invention, the return spring is wound around the axis of rotation, the winding plane of the return spring being advantageously arranged perpendicular to the axis of rotation.

[0069] According to one embodiment of the present invention, the return spring is housed in a ring-shaped cavity that is at least partially delimited by the drive wheel.

[0070] According to one embodiment of the present invention, the return spring has a first end fixed to a first fixed point on the drive wheel and a second end fixed to a second fixed point on the body. The return spring can therefore store energy when tensioned or under tension and release it when decompressed (torque release). The released energy is typically transferred to a rotating accessory.

[0071] According to one embodiment of the present invention, the return spring is a helical spring, for example an elastic band, advantageously wound around the cavity in the form of a roll with a continuous coil.

[0072] According to one embodiment of the invention, the drive wheel comprises a ring-shaped groove configured to receive the string. Advantageously, the drive wheel is a drum reel including a ring-shaped groove in which the string is received when wound around the axis of rotation.

[0073] According to one embodiment of the present invention, the string is wound counterclockwise relative to the axis of rotation in the ring-shaped groove of the drive wheel and the return spring, disposed in the ring-shaped cavity of the drive wheel, is wound clockwise relative to the axis of rotation. The string may be wound clockwise relative to the axis of rotation in the ring-shaped groove of the drive wheel and the return spring may be wound counterclockwise relative to the axis of rotation and disposed in the ring-shaped cavity of the drive wheel.

[0074] According to one embodiment of the invention, the drive wheel is rotatable relative to the body.

[0075] According to one embodiment of the present invention, the kitchen appliance is a salad spinner, chopper, ricer, juicer, blender, or any other kitchen appliance that requires a non-motorized, manually operated, self-retracting reel to transmit motion from one part to another by pulling a cable or string.

[0076] The present invention further relates to a pull string drive device for a kitchen utensil, comprising: a bowl; a lid configured to close the bowl and disposed within the bowl and rotatably mounted about an axis of rotation; a rotating accessory disposed about the axis of rotation; a drive wheel configured to be housed in the body and disposed coaxially with respect to the axis of rotation; a string configured to be wound around the drive wheel and have a first end fixed to the drive wheel and a second end opposite the first end; a handle connected to the second end of the string and configured to pull the string to rotate the drive wheel in one rotational direction; and a pull string drive device configured to manually operate the rotating accessory by pulling the string laterally relative to the axis of rotation, The pull string actuation device is self-contained and configured to be removable from the lid, the body is configured to be temporarily and reversibly secured to the lid, and when the body is secured to the lid, is configured to be rotatably locked relative to the lid and along the axis of rotation.

[0077] According to one embodiment of the present invention, the body comprises at least one locking member configured to occupy a locking position in which the at least one locking member is configured to cooperate with at least one locking component provided on the lid to secure the body to the lid, and a release position in which the at least one locking member is configured to release the at least one locking component to allow the pull string actuation device to be removed from the lid.

[0078] According to one embodiment of the present invention, the body comprises at least one rotation locking member configured to cooperate with at least one rotation locking member provided on the lid when the body is secured to the lid, to prevent, more particularly inhibit, rotational movement of the body relative to the lid and along the axis of rotation when the body is secured to the lid. [Brief explanation of the drawings]

[0079] The objects, aspects and advantages of the present invention will be better understood from the following description of particular embodiments thereof, given by way of non-limiting examples, with reference to the accompanying drawings, in which: [Figure 1] FIG. 1 is a perspective view of a chopper-type kitchen appliance according to the present invention, comprising an operating unit and a stationary phase pull string drive device fixed to the lid of the operating unit. [Figure 2] FIG. 2 is a bottom perspective view of the pull string drive device in its stationary phase. [Figure 3] FIG. 3 is a top perspective view of the work unit. [Figure 4] FIG. 4 is a partial top perspective view of the work unit. [Figure 5] FIG. 5 is a longitudinal cross-sectional view of the kitchen appliance shown in FIG. [Figure 6] FIG. 6 is a perspective top view of the pull string drive device in the working phase. [Figure 7] FIG. 7 is a partial side view of the pull string drive device in the actuation phase. [Figure 8] FIG. 8 is a partial bottom perspective view of the stationary phase pull string drive device. [Figure 9] FIG. 9 is a perspective view from below the lid. [Figure 10] FIG. 10 is a partial perspective top view of the pull string drive device in the stationary phase. [Figure 11] FIG. 11 is a partial top view of the pull string drive device in the actuation phase. DETAILED DESCRIPTION OF THE INVENTION

[0080] It should be noted that throughout this specification the terms "longitudinal", "lateral", "horizontal", "vertical", "lower", "upper", "upper", "lower", "coaxial" and "radial" used to describe the invention refer to the invention when placed on a horizontal plane in use. In the context of the present invention, the term "coaxially" means that parts are aligned on the same axis, not necessarily passing through the geometric center of the parts.

[0081] In this document, "string" also refers to a cable, pull chain, strap, or other similar elongated pulling component that can be wrapped around a drive wheel. Such strings can be made of natural, metal, or plastic materials.

[0082] 1-11 show a chopper-type kitchen appliance 2 in accordance with the present invention. However, the kitchen appliance 2 may be a salad spinner, ricer, juicer, blender, or any other kitchen appliance 2 that requires a non-motorized, manually operated, self-retracting reel to transmit motion from one part to another by pulling a cable or string.

[0083] The kitchen appliance 2 comprises a working unit 3 comprising a bowl 4 defining an interior volume intended to contain food, a lid 5 configured to close the bowl 4, and a rotating accessory 6 disposed on the bowl 4 and rotatably mounted about a rotation axis A. According to the embodiment shown in Figures 1 to 11, the rotating accessory 6 is a cutting tool comprising one or more cutting blades 7. However, the rotating accessory 6 may be any rotating working tool, also referred to as a spin basket, a mixing tool, a kneading tool, a stirring tool, or a rotary processing tool, configured to process food received in the bowl 4, for example to mix, beat, whisk, grate, chop, cut, blend, combine, emulsify, and / or knead the food received in the bowl 4.

[0084] Advantageously, the kitchen appliance 2 comprises a connection device 8, such as a bayonet fastening system, configured to removably fasten the lid 5 to the bowl 4. The connection device 8 more particularly comprises several connection members 8.1 provided on the bowl 4 and distributed around the axis of rotation A, and several connection components 8.2 provided around the periphery of the lid 5 and configured to cooperate with the respective connection members 8.1. Advantageously, the connection members 8.1 are provided outside the internal volume, more particularly on the outer surface of the bowl 4, in order to make the bowl 4 easier to clean.

[0085] According to the embodiment shown in Figures 1 to 11, the lid 5 comprises a ring-shaped sealing lip 9 provided on the underside of the lid 5 and configured to cooperate with the upper peripheral edge of the bowl 4. The presence of such a ring-shaped sealing lip 9 significantly reduces the risk of food flying out of the bowl 4 as a result of centrifugation.

[0086] Advantageously, the connection device 8 is configured to press the lid 5 against the upper peripheral edge of the bowl 4 so as to further increase the seal between the lid 5 and the bowl 4. To this end, as can be seen in Figure 9, when the lid 5 is resting on a horizontal surface, each of the connection components 8.2 is inclined relative to the horizontal.

[0087] The kitchen appliance 2 also includes a pull string drive device 11 configured to manually rotate the rotating accessory 6 about the axis of rotation A.

[0088] The pull string drive device 11 comprises a body 12 forming a protective housing. For example, the body 12 may include a base 12.1 and a protective cover 12.2 secured to the base 12.1, the base 12.1 and the protective cover 12.2 defining an inner housing 13. Advantageously, the protective cover comprises a gripping portion that allows a user to easily lift the kitchen appliance 2 using the pull string drive device 11 and to easily handle the pull string drive device 11.

[0089] The pull string driving device 11 further includes: a drive wheel 14 housed in an inner housing 13 delimited by a body 12 and arranged coaxially with respect to an axis of rotation A, the drive wheel 14 being mounted rotatably relative to the body 12; a string 15 configured to be wound around the drive wheel 14, the string 15 having a first end fixed to the drive wheel 14 and a second end opposite the first end; a handle 16 located on the outside of the body 12, the handle 16 being connected to a second end of the string 15 and configured to pull the string 15 so as to rotate the drive wheel 14 in one direction; a return spring 17 contained in an inner housing 13 defined by the body 12 and configured to be arranged coaxially with respect to the axis of rotation A, the return spring 17 being configured to rotate the drive wheel 14 in a direction of rotation opposite to the direction of rotation after the user pulls on the handle 16, so as to wind the string 15 around the drive wheel 14.

[0090] Thus, the rotating accessory 6 is more specifically configured to cut food received in the bowl 4 by rotating the cutting blade 7 when a user pulls the handle 16 connected to the string 15.

[0091] Advantageously, the handle 16 comprises a grip portion 16.1 having a curved shape, for example generally in the shape of a circular arc, and a stop portion 16.2 configured to abut against the outer surface of the body 12 when the pull string drive device 11 is in a stationary phase.

[0092] 1 to 11, the return spring 17 is wound around the axis of rotation A, the plane of winding of the return spring 17 being advantageously arranged perpendicular to the axis of rotation A. Advantageously, the return spring 17 is a helical spring, such as an elastic band in the form of a roll with adjacent coils, and is housed in a ring-shaped cavity at least partially defined by the drive wheel 14.

[0093] 10, the return spring 17 has a first end 17.1 fixed to a first fixing point provided on the drive wheel 14 and a second end 17.2 fixed to a second fixing point provided on the body 12. The return spring 17 is thus able to store energy when it is tensioned or under tension and release it when it is decompressed (torque release).

[0094] As shown more particularly in Figure 7, the drive wheel 14 comprises a ring-shaped groove 18 configured to receive the string 15. Advantageously, the string 15 is wound in the ring-shaped groove 18 counterclockwise relative to the axis of rotation A, and the return spring 17 disposed in the ring-shaped cavity of the drive wheel 14 is wound clockwise relative to the axis of rotation A. However, the string 15 can be wound clockwise relative to the axis of rotation A in the ring-shaped groove 18 of the drive wheel 14, and the return spring 17 can be disposed in the ring-shaped cavity of the drive wheel 14 wound counterclockwise relative to the axis of rotation A.

[0095] Advantageously, the pull string drive device 11 also comprises a string guide 19 fixed to the body 12 and configured to guide the string 15 as it is pulled. The string guide 19 may be made of, for example, brass, ceramic or metal, or any material that, when in contact with the string 15, is not altered by heating of the string 15 due to friction of the string during its movement. According to the embodiment shown in Figures 1 to 11, the string guide 19 is tubular and defines an inner channel configured to allow the string 15 to pass through. Advantageously, the inner channel opens into the outer peripheral wall of the body 12.

[0096] 2 to 5, the rotation accessory 6 includes a coupling member 21, and the drive wheel 14 includes a coupling component 22 configured to be mechanically coupled to the coupling member 21 when the body 12 is secured to the lid 5, to transmit rotational motion from the drive wheel 14 to the rotation accessory 6. Advantageously, the coupling member 21 and the coupling component 22 each have a polygonal cross-section, e.g., a hexagon.

[0097] According to the embodiment shown in Figures 1 to 11, the lid 5 includes a central through-hole 23, and the coupling member 21 is configured to be arranged facing the through-hole or to protrude through the central through-hole. Advantageously, the coupling component 22 is configured to cooperate directly with the coupling member 21 by a male / female type mechanical coupling. According to the embodiment shown in Figures 1 to 11, the coupling component 22 is a female coupling component and the coupling member 21 is a male coupling component. However, the coupling component 22 could also be a male coupling component and the coupling member 21 a female coupling component.

[0098] As shown more particularly in FIGS. 2 and 6, the pull string actuation device 11 is self-contained and configured to be removable relative to the lid 5 .

[0099] To this end, the kitchen appliance 2 comprises a locking system 23 configured to temporarily and reversibly secure the body 12 of the pull-string actuation device 11 to the lid 5. The locking system 23 further comprises: prohibiting rotational movement of the body 12 relative to the lid 5 and along the axis of rotation A when the body 12 is fixed to the lid 5; - preventing translational movement of the body 12 relative to the lid 5 in a direction of movement D parallel to the axis of rotation A when the body 12 is fixed to the lid 5; When the body 12 is fixed to the lid 5, it prevents translational movement of the body 12 relative to the lid 5 in a plane of movement P perpendicular to the axis of rotation A.

[0100] The locking system 23 is configured to lock the body 12 translationally and rotationally relative to the lid 5 when the body 12 is secured to the lid 5. Advantageously, the locking system 23 is more particularly configured to prevent any movement of the body 12 relative to the lid 5, up to the nearest functional clearance, when the body 12 is secured to the lid 5.

[0101] According to the embodiment shown in Figures 1 to 11, the locking system 23 comprises a fixing device 24 configured to temporarily and reversibly fix the body 12 of the pull string drive 11 to the lid 5 and prevent translational movement of the body 12 relative to the lid 5 in the direction of movement D.

[0102] More specifically, the fixing device 24 includes two fixing members 25, such as fixing brackets, fixing pins, or fixing clamps, at least partially housed in the main body 12 and arranged opposite each other. The two fixing members 25 are attached so as to be movable relative to the main body 12 between a fixing position in which the first fixing member 25 and the second fixing member 25 are adjacent to each other and configured to cooperate with a fixing member 26 provided on the lid 5 and belonging to the fixing device 24 to fix the main body 12 to the lid 5, and a release position in which the two fixing members 25 are spaced apart and configured to release the fixing members 26, allowing the pull-string actuation device 11 to be removed from the lid 5.

[0103] As shown in Figures 5, 7 and 11, the two fixing members 25 are located at the bottom of the body 12 and are hinged to the body 12 around respective hinge pins that are configured to be parallel to the axis of rotation A when the body 12 is fixed to the lid 5.

[0104] Advantageously, the main body 12 comprises a lower housing 27 (see FIG. 2) that is open downwards and opens onto a lower surface of the main body 12. The lower housing 27 is configured to at least partially accommodate a fixing component 26 provided on the lid 5 when the main body 12 is fixed to the lid 5, and the two fixing members 25 are configured to protrude into the lower housing 27 when they occupy the fixed position. The lower housing 27 can have a polygonal cross section, for example a hexagon.

[0105] According to the embodiment shown in Figures 1 to 11, the fixing component 26 is formed by a retaining rim (explained in more detail below) provided on the lid 5 and extending continuously around the axis of rotation A. However, the retaining rim can also extend discontinuously around the axis of rotation A. The two fixing members 25 are therefore more specifically configured to hook under the retaining rim when the two fixing members 25 occupy the fixed position.

[0106] 1 to 11, the locking device 24 comprises return means (not shown) configured to return the locking member 25 to the locked position, and an actuation mechanism 29 provided on the pull string drive device 11 and configured to move the locking member 25 to the released position when the actuation mechanism 29 is operated by a user. Advantageously, the actuation mechanism 29 comprises an actuation part 29.1 that is at least partially housed in the body 12 and configured to protrude through an opening in the body 31 provided in the outer peripheral wall of the body 12 and thus be accessible to the user.

[0107] 1 to 11, the actuation mechanism 29 further comprises two connecting arms 29.2 respectively attached to two fixed members 25 and mounted so as to be movable relative to each other. The actuation part 29.1 is more particularly provided on one of the connecting arms 29.2. Each connecting arm 29.2 can, for example, be made in a single part with its respective fixed member 25.

[0108] Advantageously, one of the connecting arms 29.2 is provided with a guide slot, e.g. in the shape of a circular arc, and the other connecting arm 29.2 is provided with a guide pin slidably mounted in the guide slot, so that when the user applies pressure to the actuation part 29.1, the guide pin slides in the guide slot and the two connecting arms 29.2 move radially in the direction of the axis of rotation A. Such movement of the two connecting arms 29.2 moves the two locking members 25 apart and thus into the release position.

[0109] The locking system 23 further comprises a rotational locking device 32 configured to prevent rotational movement of the body 12 relative to the lid 5 when the body 12 is secured to the lid 5, more specifically to prohibit rotational movement along the rotation axis A.

[0110] The rotation locking device 32 comprises a rotation locking member provided on the body 12 and a rotation locking component provided on the lid 5 and configured to cooperate with the rotation locking member when the body 12 is secured to the lid 5. Advantageously, the rotation locking member and the rotation locking component are also configured to align the central axis of the drive wheel 14 with the rotation axis A when the body 12 is secured to the lid 5.

[0111] According to the embodiment shown in Figures 1 to 11, the rotation lock member is formed by the lower housing 27, and the rotation lock component comprises a rotation lock protrusion 34 provided on the upper surface of the lid 5 and configured to be oriented upward when the working unit 3 is resting on a horizontal surface.

[0112] The rotation locking projection 34 is configured, for example, to extend continuously or discontinuously around the rotation axis A and is arranged coaxially relative to the rotation axis A. Advantageously, the lower housing 27 is configured to at least partially accommodate the rotation locking projection 34 when the body 12 is fixed to the lid 5, and the rotation locking projection 34 has a shape complementary to that of the lower housing 27. The rotation locking projection 34 is advantageously polygonal in shape, for example hexagonal in shape.

[0113] According to the embodiment shown in Figures 1 to 11, the rotation locking projection 34 is a locking rib 35 extending from the upper surface of the lid 5 and configured to face upward when the working unit 3 is resting on a horizontal surface; a retaining rim (forming the fixed component 26) projecting laterally outward from the locking rib 35 and away from the axis of rotation A;

[0114] The rotation locking projection 34 therefore has a hook-shaped cross section so that the two fixing members 25 are optimally hooked together when they occupy the fixed position. Advantageously, the locking rib 35 and the retaining rim define a ring-shaped retaining housing 37 which extends around the rotation axis A and is configured to at least partially accommodate the two fixing members 25.

[0115] 1-11 , rotation locking projection 34 defines a central housing 38 having a bottom wall 39 in which central through-hole 23 is formed. Bottom wall 39 includes a bottom surface 41 that extends around and converges downwardly toward central through-hole 23. This configuration of rotation locking projection 34 and lid 5 allows any liquid food that may have splashed through central through-hole 23 when rotation accessory 6 is rotated to be contained and redirected toward central through-hole 23 and, therefore, toward bowl 4.

[0116] 1 to 11 , the rotational locking member and rotational locking component are further configured to prevent translational movement of the body 12 relative to the lid 5 in the plane of movement when the body 12 is secured to the lid 5. However, according to another embodiment of the invention, the locking system 23 may comprise a rotational locking device separate from the translational locking device 32, configured to prevent movement of the body 12 relative to the lid 5 in the plane of movement when the body 12 is secured to the lid 5.

[0117] According to an embodiment of the invention not shown in the figures, the fixing device 24 may include one or more fixing component(s) provided on the lid 5, said or each fixing component 26 comprising a fixing hole configured to at least partially receive a respective fixing member 25, such as a hook tab provided on the body 12, when said fixing member 25 occupies a fixed position. The fixing device 24 may comprise, for example, two fixing brackets each having a fixing hole on the lid 5, or two fixing hoops each defining a fixing hole on the lid 5.

[0118] According to an embodiment of the invention not shown in the figures, the working unit 3 is attached to the lid 5 and comprises a drive interface configured to be rotatably attached to a coupling member 21, the drive interface configured to cooperate with a coupling member 22 provided on the drive wheel 14 by a mechanical coupling to transmit rotational motion from the drive wheel 14 to the rotating accessory 6. For example, the drive interface can comprise a coupling housing configured to receive the coupling member 21.

[0119] While the present invention has been described in connection with specific exemplary embodiments and applications, it is clearly not limited thereto.

[0120] Modifications can be made, particularly with regard to the arrangement and composition of the various elements, or by substituting equivalent techniques, without departing from the scope of protection of the invention.

[0121] The present invention includes the following embodiments: [Configuration 1] A kitchen utensil (2), a working unit (3) comprising a bowl (4), a lid (5) configured to close said bowl (4), and a rotating accessory (6) arranged in said bowl (4) and mounted rotatably around a rotation axis (A); a pull string drive device (11) comprising: a main body (12); a drive wheel (14) housed in the main body (12) and configured to be arranged coaxially with respect to the rotation axis (A); a string (15) configured to be wound around the drive wheel (14) and having a first end fixed to the drive wheel (14) and a second end opposite the first end; and a handle (16) connected to the second end of the string (15) and configured to pull the string (15) to rotate the drive wheel (14) in one rotational direction, wherein the pull string drive device (11) is configured to manually rotate the rotating accessory (6) around the rotation axis (A) by pulling the string (15) in a direction transverse to the rotation axis (A); The pull-string actuation device (11) is self-contained and configured to be removable from the lid (5), and the kitchen appliance (2) includes a locking system (23) configured to temporarily and reversibly secure the body (12) of the pull-string actuation device (11) to the lid (5), the locking system (23) being further configured to prevent rotational movement of the body (12) relative to the lid (5) along a rotation axis (A) when the body (12) is secured to the lid (5). [Configuration 2] The kitchen utensil (2) according to configuration 1, wherein the locking system (23) is configured to prevent translational movement of the body (12) relative to the lid (5) in a direction of movement (D) parallel to the axis of rotation (A) and in a plane of movement perpendicular to the axis of rotation (A) when the body (12) is secured to the lid (5). [Configuration 3] 10. The kitchen utensil according to claim 1, wherein the locking system includes a securing device configured to temporarily and reversibly secure the main body of the pull-string actuation device to the lid, the securing device including at least one securing member provided on the main body and at least one securing component provided on the lid, the securing device having a securing position in which the at least one securing member is configured to cooperate with the at least one securing component to secure the main body to the lid, and a release position in which the at least one securing component is configured to release the at least one securing component so that the pull-string actuation device can be removed from the lid. [Configuration 4] 4. The kitchen appliance (2) of configuration 3, wherein the at least one fixing member (25) is attached so as to be movable relative to the main body (12) between the fixing position and the release position. [Configuration 5] 5. The kitchen appliance (2) according to claim 4, wherein the fixing device (24) comprises a return means configured to return the at least one fixing member (25) to the fixing position. [Configuration 6] 4. The kitchen appliance (2) of configuration 3, comprising an actuation mechanism (29) configured to move the at least one locking member (25) to the release position when the actuation mechanism (29) is operated by a user. [Configuration 7] 7. The kitchen appliance (2) of configuration 6, wherein the actuation mechanism (29) is provided on the pull string drive device (11). [Configuration 8] The kitchen utensil (2) according to configuration 3, wherein the main body (12) includes a lower housing (27) that opens to a lower surface of the main body (12), and the lower housing (27) is configured to at least partially accommodate the at least one fixing component (26) provided on the lid (5) when the main body (12) is fixed to the lid (5). [Configuration 9] 9. The kitchen appliance (2) of claim 8, wherein the lower housing (27) has a polygonal cross section, for example a hexagonal cross section. [Configuration 10] The kitchen utensil (2) of configuration 8, wherein the at least one fixing member (25) is configured to protrude into the lower housing (27) when the at least one fixing member (25) occupies the fixed position. [Configuration 11] The kitchen utensil (2) of configuration 3, wherein the fixing device (24) comprises two fixing members (25) mounted so as to be movable relative to the main body (12) between a fixing position in which the first and second fixing members (25) are close to each other and configured to cooperate with the at least one fixing component (26) provided on the lid (5), and a release position in which the two fixing members (25) are spaced apart and configured to release the at least one fixing component (26). [Configuration 12] The kitchen utensil (2) of configuration 1, wherein the locking system (23) comprises a rotation locking device (32) configured to prevent rotational movement of the body (12) relative to the lid (5) and to prevent rotational movement along the rotation axis (A) when the body (12) is secured to the lid (5), the rotation locking device (32) comprising at least one rotation locking member provided on the body (12) and at least one rotation locking component provided on the lid (5) and configured to cooperate with the at least one rotation locking member when the body (12) is secured to the lid (5). [Configuration 13] 9. The kitchen utensil (2) of claim 8, wherein the locking system (23) comprises a rotation locking device (32) configured to prevent rotational movement of the body (12) relative to the lid (5) and to prevent rotational movement along the rotation axis (A) when the body (12) is secured to the lid (5), the rotation locking device (32) comprising at least one rotation locking member provided on the body (12) and at least one rotation locking component provided on the lid (5) and configured to cooperate with the at least one rotation locking member when the body (12) is secured to the lid (5), and the lower housing (27) forms the at least one rotation locking member. [Configuration 14] The kitchen appliance (2) of configuration 12, wherein the at least one rotation lock component includes a rotation lock protrusion (34) provided on the upper surface of the lid (5) and configured to face upward when the working unit (3) is placed on a horizontal surface, the rotation lock protrusion (34) being configured to extend around the rotation axis (A). [Configuration 15] 15. The kitchen appliance (2) of claim 14, wherein the rotation locking projection (34) is polygonal in shape, for example hexagonal in shape. [Configuration 16] The kitchen utensil (2) of Configuration 14 in combination with Configuration 3, wherein the rotation locking projection (34) includes a locking rib (35) extending from the top surface of the lid (5) and configured to face upward when the working unit (3) is resting on a horizontal surface, and a retaining rim projecting laterally outward from the locking rib (35) and spaced from the rotation axis (A), the retaining rim at least partially forming the at least one fixed component (26). [Configuration 17] 13. The kitchen appliance (2) of claim 12, wherein when the body (12) is secured to the lid (5), the at least one rotation locking member and the at least one rotation locking component are further configured to prevent translational movement of the body (12) relative to the lid (5) in the plane of movement. [Configuration 18] The kitchen appliance (2) of configuration 1, wherein the rotating accessory (6) includes a coupling member (21), and the drive wheel (14) includes a coupling component (22) that is mechanically coupled to the coupling member (21) when the main body (12) is secured to the lid (5) and that is configured to transmit rotational motion from the drive wheel (14) to the rotating accessory (6). [Configuration 19] The kitchen utensil (2) according to aspect 18, wherein the lid (5) includes a central through-hole (23), the connecting member (21) is configured to have the two fastening members at least partially facing the through-hole or protruding through the central through-hole (23), and the connecting component (22) is configured to cooperate with the connecting member (21) by mechanical coupling. [Configuration 20] The kitchen utensil (2) according to configuration 14, wherein the lid (5) includes a central through-hole (23), the connecting member (21) is configured to have the two fixing members at least partially facing the through-hole or protruding through the central through-hole (23), the connecting component (22) is configured to cooperate with the connecting member (21) by mechanical coupling, and the rotation lock protrusion (34) defines a central housing (38) having a bottom wall (39) in which the central through-hole (23) is formed. [Configuration 21] The kitchen utensil (2) of configuration 20, wherein the bottom wall (39) extends around the central through-hole (23), converges downward, and has a bottom surface (41) that converges toward the central through-hole (23). [Configuration 22] 22. The kitchen utensil (2) of any one of configurations 1 to 21, wherein the locking system (23) is configured to prevent any movement of the body (12) relative to the lid (5) up to the nearest functional clearance when the body (12) is secured to the lid (5). [Configuration 23] A pull string drive device (11) for a kitchen utensil (2) comprises: an operating unit (3) including a bowl (4), a lid (5) configured to close the bowl (4), and a rotating accessory (6) disposed within the bowl (4) and rotatably mounted around a rotation axis (A), wherein the pull string drive device (11) comprises a main body (12), a drive wheel (14) accommodated within the main body (12) and configured to be disposed coaxially with respect to the rotation axis (A), and a rotating accessory (6) configured to be wound around the drive wheel (14), a string (15) having a first end fixed to a drive wheel (14) and a second end opposite the first end; and a handle (16) connected to the second end of the string (15) and configured to pull the string (15) to rotate the drive wheel (14) in one rotational direction (14), wherein the pull string drive device (11) is configured to manually rotate the rotating accessory (6) about the rotational axis (A) by pulling the string (15) in a direction transverse to the rotational axis (A); The pull string drive device (11) is self-contained and configured to be removable from the lid (5), and the body (12) is configured to be temporarily and reversibly secured to the lid (5) and configured to be rotationally locked along the rotation axis (A) when the body (12) is secured to the lid (5).

Claims

1. A kitchen utensil (2), a working unit (3) comprising a bowl (4), a lid (5) adapted to close said bowl (4), and a rotating accessory (6) arranged in said bowl (4) and mounted rotatably around a rotation axis (A); a pull string drive device (11) comprising: a main body (12); a drive wheel (14) accommodated in the main body (12) and configured to be arranged coaxially with respect to the rotation axis (A); a string (15) configured to be wound around the drive wheel (14) and having a first end fixed to the drive wheel (14) and a second end opposite to the first end; and a handle (16) connected to the second end of the string (15) and configured to pull the string (15) to rotate the drive wheel (14) in one rotational direction, wherein the pull string drive device (11) is configured to manually rotate the rotating accessory (6) around the rotation axis (A) by pulling the string (15) in a direction transverse to the rotation axis (A); The pull-string actuation device (11) is self-contained and configured to be removable from the lid (5), and the kitchen utensil (2) comprises a locking system (23) configured to temporarily and reversibly secure the body (12) of the pull-string actuation device (11) to the lid (5), the locking system (23) being further configured to prevent rotational movement of the body (12) relative to the lid (5) along a rotation axis (A) when the body (12) is secured to the lid (5).

2. 2. The kitchen utensil (2) of claim 1, wherein the locking system (23) is configured to prevent translational movement of the body (12) relative to the lid (5) in a direction of movement (D) parallel to the axis of rotation (A) and in a plane of movement perpendicular to the axis of rotation (A) when the body (12) is fixed to the lid (5).

3. 3. The kitchen utensil according to claim 2, wherein the locking system includes a securing device configured to temporarily and reversibly secure the body of the pull-string drive device to the lid, the securing device including at least one securing member provided on the body and at least one securing component provided on the lid, the securing device having a securing position in which the at least one securing member is configured to cooperate with the at least one securing component to secure the body to the lid, and a release position in which the at least one securing member is configured to release the at least one securing component so that the pull-string drive device can be removed from the lid.

4. 4. The kitchen appliance (2) according to claim 3, wherein said at least one locking member (25) is mounted so as to be movable relative to said body (12) between said locked position and said released position.

5. 5. The kitchen appliance (2) according to claim 4, wherein the fixing device (24) comprises return means configured to return the at least one fixing member (25) to the fixing position.

6. 6. The kitchen appliance (2) of claim 5, comprising an actuation mechanism (29) configured to move the at least one locking member (25) to the release position when the actuation mechanism (29) is operated by a user.

7. The kitchen appliance (2) according to claim 6, wherein the actuation mechanism (29) is provided on the pull string drive device (11).

8. The kitchen utensil (2) according to claim 7, wherein the main body (12) includes a lower housing (27) that opens to a lower surface of the main body (12), and the lower housing (27) is configured to at least partially accommodate the at least one fixing component (26) provided on the lid (5) when the main body (12) is fixed to the lid (5).

9. 9. The kitchen appliance (2) according to claim 8, wherein the lower housing (27) has a polygonal cross section, for example a hexagonal cross section.

10. 10. The kitchen appliance (2) according to claim 9, wherein the at least one fixing member (25) is configured to protrude into the lower housing (27) when the at least one fixing member (25) occupies the fixing position.

11. 11. The kitchen utensil (2) of claim 10, wherein the fixing device (24) comprises two fixing members (25) mounted so as to be movable relative to the body (12) between a fixing position in which the first and second fixing members (25) are close to each other and configured to cooperate with the at least one fixing component (26) provided on the lid (5), and a release position in which the two fixing members (25) are spaced apart and configured to release the at least one fixing component (26).

12. 12. The kitchen utensil (2) of claim 11, wherein the locking system (23) comprises a rotation locking device (32) configured to prevent rotational movement of the body (12) relative to the lid (5) and to prevent rotational movement along the rotation axis (A) when the body (12) is secured to the lid (5), the rotation locking device (32) comprising at least one rotation locking member provided on the body (12) and at least one rotation locking component provided on the lid (5) and configured to cooperate with the at least one rotation locking member when the body (12) is secured to the lid (5).

13. 13. The kitchen appliance (2) according to claim 12, wherein said lower housing (27) forms said at least one rotation locking member.

14. The kitchen appliance (2) according to claim 13, wherein the at least one rotation lock component includes a rotation lock protrusion (34) provided on an upper surface of the lid (5) and configured to face upward when the working unit (3) is placed on a horizontal surface, the rotation lock protrusion (34) being configured to extend around the rotation axis (A).

15. 15. The kitchen appliance (2) according to claim 14, wherein the rotation locking projection (34) is polygonal in shape, for example hexagonal in shape.

16. 16. The kitchen utensil (2) of claim 15, wherein the rotation locking projection (34) includes a locking rib (35) extending from the top surface of the lid (5) and configured to face upward when the working unit (3) is resting on a horizontal surface, and a retaining rim projecting laterally outward from the locking rib (35) and spaced apart from the rotation axis (A), the retaining rim at least partially forming the at least one fixed component (26).

17. 17. The kitchen utensil (2) of claim 16, wherein when the body (12) is secured to the lid (5), the at least one rotation locking member and the at least one rotation locking component are further configured to prevent translational movement of the body (12) relative to the lid (5) in the plane of movement.

18. 18. The kitchen appliance (2) of claim 17, wherein the rotating accessory (6) includes a coupling member (21), and the drive wheel (14) includes a coupling component (22) that is mechanically coupled to the coupling member (21) when the body (12) is secured to the lid (5) and that is configured to transmit rotational motion from the drive wheel (14) to the rotating accessory (6).

19. 19. The kitchen utensil (2) of claim 18, wherein the lid (5) comprises a central through-hole (23), the connecting member (21) is configured to have the two fastening members at least partially facing the through-hole or protruding through the central through-hole (23), and the connecting component (22) is configured to cooperate with the connecting member (21) by mechanical coupling.

20. 20. The kitchen appliance (2) according to claim 19, wherein the rotation locking projection (34) defines a central housing (38) having a bottom wall (39) in which the central through-hole (23) is formed.

21. 21. The kitchen utensil (2) according to claim 20, wherein the bottom wall (39) has a bottom surface (41) that extends around the central through-hole (23) and converges downwards towards the central through-hole (23).

22. 22. The kitchen utensil (2) according to claim 21, wherein the locking system (23) is configured to prevent any movement of the body (12) relative to the lid (5) up to the nearest functional clearance when the body (12) is secured to the lid (5).

23. A pull string drive device (11) for a kitchen utensil (2) comprising: an operating unit (3) including a bowl (4), a lid (5) configured to close the bowl (4), and a rotating accessory (6) disposed within the bowl (4) and rotatably mounted around a rotation axis (A), wherein the pull string drive device (11) comprises a main body (12), a drive wheel (14) accommodated within the main body (12) and configured to be disposed coaxially with respect to the rotation axis (A), and a rotating accessory (6) configured to be wound around the drive wheel (14), a string (15) having a first end fixed to a drive wheel (14) and a second end opposite the first end; and a handle (16) connected to the second end of the string (15) and configured to pull the string (15) to rotate the drive wheel (14) in one rotational direction (14), wherein the pull string drive device (11) is configured to manually rotate the rotating accessory (6) about the rotational axis (A) by pulling the string (15) in a direction transverse to the rotational axis (A); The pull string drive device (11) is self-contained and configured to be removable from the lid (5), and the body (12) is configured to be temporarily and reversibly secured to the lid (5) and configured to be rotationally locked along the rotation axis (A) when the body (12) is secured to the lid (5).

Images