Abstract: A removable spindle for a blender that is compact enough for home use, rugged enough to blend frozen beverages, simple to use and safe. The spindle preferably includes a quick release coupling member, a rotating shaft, cup cover and rotating cutting blades. To facilitate cleaning of the spindle assembly, the quick release coupling member allows the spindle to be quickly detached from the blender. The rotating shaft is preferably housed in an outer sleeve for structural/alignment purposes and to keep the shaft free from food/beverage particles. Slidably attached to the outside of the outer sleeve and trapped between the quick release coupling member and the rotating cutting blades is a moveable cup cover.

Abstract: A beater (1) attachable to a drive motor for rotatingly driving said beater (1), the beater (1) comprises drive shaft (2) having a distal end (8) adapted to be coupled to the drive motor, and a beater head (3). The beater (1) further comprises coupling means (4) for releasingly coupling the beater head (3) to the drive shaft (2), so as to couple the beater head (3) to the drive shaft (2) along different relative positions thereof.

Abstract: The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer.

Abstract: The invention is directed to a coupling device for an appliance for domestic use, in particular a handheld blender, for connecting a drive part to a tool shank, with a locking device having locking elements being arranged on a coupling section of the drive part, said locking elements being in engagement with depressions formed on the inner circumference of the tool shank in the locked state. The invention is characterized in that the locking device is constructed as an annular spring element and that in the area of the locking element provision is made for an actuating device causing, when actuated, the spring element to be deformed elastically such that the locking element moves inwardly, hence becoming disengaged from the detent element.

Abstract: In a domestic appliance (1) having a housing (3) and having drive means (4) for rotationally driving at least one tool (5, 6) which is held by a holding means (17,18) and which is drivable with the aid of the drive means (4) so as to be rotated about a tool axis (31, 32), the tool (5, 6) is guided so as to be movable parallel to the direction of the tool axis (31, 32) and at least one spring means (39, 40) has been provided which resiliently loads a tool (5, 6) during rotational driving of this tool, namely towards the free end (33, 34) of the tool (5, 6).

Abstract: Handheld electric beater-mixer includes a drive motor, two rotatable coupling devices associated with the motor and adapted to receive respectively a whisk and a mixer foot, and an electric switch actuated by a finger piece mounted rotatably on a rotational axle and occupying a stopped position and several switched positions for the continuous operation of the motor. A spiral spring is mounted concentrically to the rotational axle of the finger piece and has a free end and a fixed end connected to the finger piece, and a safety member is movably mounted between a rest position in the presence of the mixer foot and in which the free end of the spring rests against an abutment on the safety member so as continuously to stress the spring, and the retracted position in the presence of the whisk and in which the abutment of the safety member is removed so as continuously to relax the spring.

Abstract: A hand-held mixer (1) includes a drive mechanism (36) for driving mixing tools (28, 29, 30, 31, 32, 33, 34, 35), which mixing tools are detachably coupled to the drive mechanism (36) and are disengageable from the drive mechanism (36) with the aid of a movable disengaging device (42), and further includes speed switching circuits within a first module (9), with the aid of which speed switching circuits the speed of the mixing tools can be switched to different speed values. A movable actuating element (19) actuates the speed switching circuits and includes a switching handle (20). The disengaging device (42) and the actuating element (19) including the switching handle (20) are formed as a one-piece second module (44) which is arranged so as to be movable parallel to only one path of movement (43) both for actuation of the speed switching circuits and for disengagement of the mixing tools from the drive mechanism (36).

Abstract: The invention is directed to an electric powered hand mixer for processing food materials, which is provided with switching arrangements adjustably disposed on a housing (2) and featuring different settings for activation of a continuous-on mode and a pulse mode. Provision is made for tool mounts for holding various tools including, for example, a mixing or kneading tool (3) or a puréeing wand. A lock release element (14) is provided for ejecting a tool held in one of the tool mounts. Provision is made for two switching devices (10, 12) one of which is associated with the activation of the continuous-on mode and one with the activation of the pulse mode. The two switching devices (10, 12) and the lock release element (14) are mechanically coupled to each other so that only one of the two switching devices (10, 12) is actuatable at a time.

Abstract: A hand-held mixer (1) includes drive means (36) for driving mixing tools (28, 29, 30, 31, 32, 33, 34, 35), which mixing tools are detachably coupled to the drive means (36) and are disengageable from the drive means (36) with the aid of movable disengaging means (42), and further includes speed switching means within a first module (9), with the aid of which speed switching means the speed of the mixing tools can be switched to different speed values, movable actuating means (19) being provided for the actuation of the speed switching means and including a switching handle (20), and the disengaging means (42) and the actuating means (19) including the switching handle (20) being united to form a one-piece second module (44) which is arranged so as to be movable parallel to only one path of movement (43) both for the actuation of the speed switching means and for the disengagement of the mixing tools from the drive means (36).

Abstract: An appliance comprises a housing containing an electric motor whereof the output shaft is designed for driving a working tool, a switch controlling the motor speed which is actuated by a hand-operated control knob mounted rotating about an axis of rotation to take up an “off” position and several “on” positions, and a device for ejecting the tool capable of being controlled by the knob in its “off” position. The button is also mounted tilting about an axis transverse to its axis of rotation so as to control the actuating of the tool ejecting device. The appliance is particularly applicable to hand-operated electric food mixers.

Abstract: A cooking whip for mixing foods is disclosed. The cooking whip includes an elongate tubular handle portion. A whip portion has a head and a plurality of resiliently deformable loops extending from the head. The whip portion is detachably coupled to the lower end of the handle portion. An elongate shaft portion with opposite first and second ends and a longitudinal axis extending between the ends is removably insertable in the handle portion. The first end of the shaft portion is coupled to the head of the whip portion.

Abstract: An apparatus comprising a drive motor (7) with a shaft (8) having a front end for engaging a coupling device (20) for a whisk (10), and a rear end for engaging a drive (28) housed in a cylindrical body (31) and engageable by a mixing arm, as well as a vertically movable ejector member (51) linked to the coupling device. A movable mechanical assembly (70) is provided for releasing the ejector member (51) while blocking the internal space (74) in the body (31) so that only the whisk can be fitted, or alternatively locking the ejector member (51) in the down position while unblocking the internal space (74) in the body so that only the mixing arm can be fitted.

Abstract: A hand-held electric beater-mixer comprises a drive motor (7), two coupling devices (20, 28) linked to the motor and engageable by a whisk and a mixing accessory (38) respectively, an electrical switch (71) operated by a button (67) having an "off" position, a number of "continuous on" positions and a "selective on" position, a vertical movable ejector (51), and a mechanical assembly (72) for preventing continuous operation when the mixing accessory is in place. The mechanical assembly comprises a movable member (74) which releases the ejector when the whisk is in place. The ejector has an engagement tab (53) enabling operation of the button when the ejector is in the raised position, and locks the ejector (51) in the lowered position when the mixing accessory is in place. The engagement tab (53) of the ejector locked in the lowered position locks the button (67) on the side corresponding to its "continuous on" positions.

Abstract: A stand mixer having a mixer head that can be locked in an up or down position. The locking mechanism includes a pin slideably retained in the pedestal of the stand, which is removeably received in one or more recesses in the mixer head.

Abstract: A quick change coupling is provided which is especially suitable for a flexible cable. It includes a rotary driving assembly which includes a source of rotary power, a driving adaptor section which is coupled to and rotated by this source, a driven adaptor section which is arranged in nesting relationship with the driving adaptor section and a cable which includes a shield and a core and is connected to a tool. The core is engaged with the driven adaptor section and is rotated by the same. Also provided is a shield adaptor section which engages the shield of the cable and is displaceable by the same to engage the driven adaptor section to urge the latter to penetrate into the driving adaptor section. A locking section is included which is effective upon penetration of the driven adaptor section into the driving adaptor section by a predetermined amount to fix a nesting relationship with the same.

Abstract: A handheld blender, such as, for example, an immersion blender, includes a motor assembly and a tool assembly releasably connectable to the motor assembly. The tool assembly includes a tool shaft and a tool shank rotatably receiving the tool shaft. The motor assembly has a drive shaft and an approximately U-shaped expansion clamp. The tool shaft is structured to be non-rotatably coupled to the drive shaft when the tool assembly is connected to the motor assembly. The tool shank has a mounting groove, wherein the tool assembly is connected to the motor assembly by the approximately U-shaped expansion clamp engaging the mounting groove of the tool shank. To release the tool shank, the expansion clamp is displaced by a push button in the direction of an opposite push button having expansion surfaces on which the legs of the expansion clamp ride up, thus disengaging the expansion clamp from the mounting groove. To urge the tool shank away from the motor assembly, the push buttons have beveled surfaces.

Abstract: A self-supporting, cordless, rechargeable battery operated household stirring appliance for use in a saucepan to stir gravy, puddings, soups, and similar food stuffs. The appliance has a body enclosing a battery operated motor and at least one rechargeable battery connected to the motor and held within cavities formed in the housing. A drive gear is journaled in a cylindrical bearing cavity formed in the housing and connected to the drive motor through a speed-reducing gear train similarly journaled in cylindrical bearing cavities formed in tile housing. A multi-bladed ejectable stirring paddle has a central shaft extending into the housing and engaging tile drive gear. A handle which is integral with the housing extends outwardly at one end from the top end of the housing and has a downwardly directed extension which projects from the stirrer handle on the outside of the saucepan and engages the saucepan handle to prevent rotation of the housing during operation of the stirrer.

Abstract: A mixer that includes separate connectable motor and mixing housings, which motor housing includes an electric motor that turns an output shaft that extends into the mixing housing. The mixing housing is open to admit a cup containing a material for mixing, which mixing is accomplished by turning the motor output shaft whereto the handle end of a spoon is releasable mounted. The spoon head end is for turning in the material, which spoon mounting is a longitudinal slot in the output shaft end to accommodate the spoon handle end fitted therein and a close fitting resilient sleeve telescoped over that output shaft end, the resilient sleeve interior adhering to the spoon handle edges.

Abstract: Improvements are provided in machines for processing frozen comestibles of the type in which a frozen comestible is placed in a mixing cup and the mixing cup is moved toward an auger which mixes the frozen comestible into a smooth, soft material. The improvements comprise a chain driven drive for moving the mixing cup toward the auger. Further improvement include spring biased mounting means for mounting the auger of the machine to the drive shaft of the machine. An additional improvement comprises means for circulating cooled air from a freezer located adjacent to the mixing machine through the housing of the mixing machine to cool the mixing cup and the auger.

Abstract: Apparatus for food preparation comprises a bowl, a rotatable tool within this bowl, and an arm which extends over the bowl and which contains a drive device for rotating the tool. The drive device includes a pinion to engage the drive shaft of the tool, and this pinion is fixed to, or preferably integral with, the drive shaft to define a drive assembly for the tool. This drive assembly is detachably mounted within a recess provided in the arm. An opening is formed in the arm through which the recess communicates with the exterior, and this opening is arranged to allow passage of said drive assembly therethrough.

Abstract: An electric mixer for selectively rotating a pair of cooperating beaters, the mixer comprising a housing defining a cavity having an axis extending between first and second ends thereof, a motor disposed in the cavity generally coaxial with the cavity axis, the motor including an axial drive shaft and a drive gear fixed to the second end of the drive shaft, a gear case fixed to the second end of the motor, the gear case including a pair of integral, depending tubular shafts having rotation axes substantially parallel to each other and to the cavity axis, each tubular shaft having a bore open at the first and second ends thereof.

Abstract: A base is provided for holding a detachable and portable casing to which may be attached a kitchen appliance unit, such as whisk, a spatula, a mixer or the like. These kitchen appliance units fit into receptacles whereat they are accommodated for storage, these units and the portable casing extending vertically upwards from the base. For an operation a unit may be detachably inserted into the portable case which houses a gear train, as well as a motor for driving the same. The portable case, moreover, accommodates a rechargeable battery arrangement for driving the motor. In the portable case, is accommodated one half of a recharging unit consisting of a secondary winding of a transformer and a coil which is encircled thereby. The primary winding and associated core is accommodated in the base. When the portable casing is accommodated in the base, the cores are juxtaposed in coaxial alignment, whereby an alternating current source coupled to the primary winding charges the rechargeable battery arrangement.

Abstract: In food-mixing apparatus comprising a driving unit and an arm, a latching and pivoting mechanism is adapted to be latched automatically so as to prevent relative movement of the arm and a console of the driving unit upon pivotal movement of the arm either to a lowered position or a raised position, and so as to prevent relative movement of the arm and the console, except for pivotal movement of the arm, upon pivotal movement of the arm to a pivotal position therebetween. The mechanism is adapted to be unlatched manually so as to permit pivotal movement of the arm from any pivotal position, and so as to permit the arm to be removed from the console upon further movement of the arm from the raised position.