Abstract: The invention relates to a pre-assemblable arrangement of elements, in particular a tool arrangement or hand tool arrangement, wherein the arrangement exhibits at least one intake manifold (1), a filter floor (2) and/or a carburetor (3), preferably with a carburetor wall (4), wherein a holding structure (7) is additionally provided to accommodate actuating elements (9, 10) or to form a handle (8),

Abstract: The invention relates to a braking apparatus, in particular for implements of motor-driven tool units comprising an arm having at least one bearing disposed therein for rotatable mounting of an axle and comprising a flange fastened on the rotatably mounted axle, wherein the axle and/or the flange are drivable by means of a drive motor, wherein a first friction element is firmly connected on the arm and a second friction element is connected to the axle and/or to the flange, wherein the first and the second friction element come into frictional contact with one another or not depending on the action of centrifugal force on at least one flyweight.

Abstract: In order to provide a handheld work machine that does not require expensive start circuitry for the critical start-up phase of the combustion engine, and in which nevertheless the required constant supply voltage for the engine is present in order to achieve optimum starting behavior, a handheld work machine is provided with at least one combustion engine which in operation requires a supply voltage, and with a voltage generator that supplies a generator voltage that depends on the rotary speed of the combustion engine, which generator voltage is used to generate the supply voltage, wherein the handheld work machine is electrically connected to an additional voltage source that prior to starting the combustion engine provides the required supply voltage that at this point in time is not yet present.

Abstract: In order to provide an actuating device for a choke valve of a carburettor for motorized equipment, in particular a cut-off grinder, wherein the choke valve is movable between at least a closed position and an open position by an operating element via a mechanical coupling from the operating element to the choke valve, which overcomes the disadvantages of the prior art, it is proposed that the mechanical coupling has a separating arrangement which is in operative connection with the motorized equipment such that the mechanical coupling between the operating element and the choke valve can be interrupted or respectively closed as a function of different operating states of the motorized equipment.

Abstract: In order to provide an intake system (2) for sucking in combustion air of an internal combustion engine (3) of a piece of equipment, in particular a portable, manually guided piece of equipment (1), having more than one centrifugal separator (20, 22) comprising a centrifugal separator housing (19, 21), and having an air filter device (24) comprising an air filter housing (23), which bounds an air filter receiving space (25) for an air filter, in which the combustion air can be separated by means of the centrifugal separator into a core volume stream and an outer volume stream, wherein the core volume stream is fed to the internal combustion engine (3) through the air filter receiving space (25), which intake system is as compact as possible and correspondingly designed to be not very component-intensive, it is proposed for the centrifugal separator housing (19, 21) to be arranged on the air filter housing (23) such that it ends directly at the air filter receiving space (25) or projects directly into the air

Abstract: In order to create a starter device (100) for an internal combustion engine of a manually guided engine unit, wherein the device comprises a housing (10) and a cable drum (11) which can be rotated relative to the housing (10) about a rotational axis with a starter pull for starting the engine, and has a recoil spring space (14), which is arranged between the housing (10) and the cable drum (11), for a recoil spring (13), in order to move the cable drum (11) into its original position after a rotational movement of the starter, wherein sealing of the recoil spring space (14) is provided, which starter device on the one hand prevents dirt from penetrating into the recoil spring space and on the other hand has a simple design, it is proposed that the seal (15) is spaced apart radially from the rotational axis (X) to such an extent that the recoil spring space (14) is formed by a wall (16) of the cable drum (11) and an approximately opposite wall (17) of the housing (10).

Abstract: A portable implement is provided that includes a tool element, arranged on one end of a guide rod, for the sawing, cutting and/or scything of undergrowth or grass, a motor, arranged at the other end of the guide rod, for driving the tool element, a holding element, arranged between the tool element and the motor, for holding the portable implement, and a connecting element, arranged on the guide rod or on the holding element, for connecting the holding element with the guide rod. The connecting element cooperates with the guide rod by means an operating element such that the operating position of the portable implement can be adjusted individually. The connecting element, in a first position of the operating element, is connected with the guide rod displaceably in longitudinal direction to the guide rod and for adjusting the operating position of the portable implement.

Abstract: A device is provided for a piece of equipment with an internal combustion engine having a crank case and a combustion space, wherein an air cooling stream is present for cooling the internal combustion engine. The device, on the one hand, is effective for cleaning of the intake air, and on the other hand, a thermal separation between tank and crank case is achieved in a simple manner. The device includes at least one recess, which is constructed open or closed, and is arranged in the crank case, and is separated from an interior of the crank case and forms air cushions.

Abstract: The invention pertains to a hand-operated tool (100) with a housing (12) and at least one handle (14) that is arranged on the housing such that it can be turned about an axis (13), wherein said handle comprises handle shells (15, 16) and a bearing part that is mounted on a counter bearing of the housing (12). The invention aims to develop a tool of this type that does not have the above-described disadvantages, particularly to make available a simple and inexpensive tool that can be easily assembled, and proposes that the first handle shell (15) and the bearing part are realized in one piece and the second handle shell (16) to be mounted on the first handle shell (15) is realized without a bearing part.

Abstract: In order to provide a handheld work machine that does not require expensive start circuitry for the critical start-up phase of the combustion engine, and in which nevertheless the required constant supply voltage for the engine is present in order to achieve optimum starting behaviour, a handheld work machine is provided with at least one combustion engine which in operation requires a supply voltage, and with a voltage generator that supplies a generator voltage that depends on the rotary speed of the combustion engine, which generator voltage is used to generate the supply voltage, wherein the handheld work machine is electrically connected to an additional voltage source that prior to starting the combustion engine provides the required supply voltage that at this point in time is not yet present.

Abstract: A braking device is provided for braking or immobilising a shaft in a work tool, particularly a saw chain, hedge shears or the like. The braking device has a brake band that at surrounds at least part of an area of the shaft, in which the brake band forms an effective plane, and two brake band holders with which the brake band may be placed under tension and released, in which at least one brake band holder is constructed movably, and in which a movable brake band holder is arranged with little space requirement in the braking device. At least one brake band holder is mounted outside the effective plane of the brake band so that it is rotatable about the axis of rotation or about an approximately parallel axis or shaft and/or so that it is able to be moved in a linear direction on a plane that is approximately orthogonal with the shaft.

Abstract: The invention relates to a hand-operated tool with handle (1) with a handle section (2) on the user side and with a foot section (3) arranged on the bottom side of the handle section (2) and with a detachable one-piece upper handle shell (8) that covers at least substantially the handle section (2) on the user side and the foot section (3) on the bottom or ground side.

Abstract: In order to provide a power tool, especially a cutting device (10) comprising at least one wet cutting device (11) having a nozzle element (23), wherein the nozzle element (23) is provided for supplying a binding liquid for dust particles formed during the grinding process and can especially be detachably affixed and dismounted from a cutter portion of the cutting device, wherein maintenance is made easier to ensure the function of the wet cutting accessory, it is proposed that the nozzle element (23) can be affixed and dismounted non-positively and/or positively on the cutter portion without tools, for which the nozzle element (23) is affixed to the abrasive cutter portion using a bayonet fixing.

Abstract: The invention pertains to a hand-operated tool (100) with a housing (12) and at least one handle (14) that is arranged on the housing such that it can be turned about an axis (13), wherein said handle comprises handle shells (15, 16) and a bearing part that is mounted on a counter bearing of the housing (12). The invention aims to develop a tool of this type that does not have the above-described disadvantages, particularly to make available a simple and inexpensive tool that can be easily assembled, and proposes that the first handle shell (15) and the bearing part are realized in one piece and the second handle shell (16) to be mounted on the first handle shell (15) is realized without a bearing part.

Abstract: In order to improve a limiter cap (300; 300?) for limiting the adjustability of at least two set screws or valves (200), which are arranged side by side, with each set screw or valve (200) including at least one retaining nose or stop leg (240), extending in the transition area between the screw head (210) and the screw needle or valve needle (220) in a ring shape around the external circumference of the screw needle or valve needle (220), in particular for limiting the adjustment of the fuel flow through a carburetor (400; 400?), in such a way that inadvertently pushing the limiter cap onto the screw needle thus prematurely blocking said screw needle, already at the time when the (basic) carburetor adjustment takes place, is safely prevented, it is proposed that the limiting cap (300; 300?) is attached to each of the set screws (200) in particular in a way so as to be self-attaching, and/or in particular such that the limiter caps (300; 300?) engage each other with locking action, and/or without any further

Abstract: A medium pump for a motor includes a pump case with a pump cylinder and a pump piston positioned displacaebly in the pump cylinder in the direction of a pump axle. The pump piston rotates about the pump axle by running off an oblique control surface and realizes axial pump movements against the pressure of a first spring. A pump lift adjusting device is removably positioned in a guide placed transversely to the pump axle and fixedly connected with the pump case.

Abstract: In order to improve a limiter cap (300; 300?) for limiting the adjustability of at least two set screws or valves (200), which are arranged side by side, with each set screw or valve (200) comprising at least one retaining nose or stop leg (240), extending in the transition area between the screw head (210) and the screw needle or valve needle (220) in a ring shape around the external circumference of the screw needle or valve needle (220), in particular for limiting the adjustment of the fuel flow through a carburetor (400; 400?), in such a way that inadvertently pushing the limiter cap onto the screw needle thus prematurely blocking said screw needle, already at the time when the (basic) carburetor adjustment takes place, is safely prevented, it is proposed that the limiting cap (300; 300?) is attached to each of the set screws (200) in particular in a way so as to be self-attaching, and/or in particular such that the limiter caps (300; 300?) engage each other with locking action, and/or without any further

Abstract: The invention relates to a device for braking a motor shaft, such as a motor shaft of a chain saw, with a brake band that at least partially surrounds an area of the shaft and with at least one guide component that cooperates with the brake band and holds it in its axial position. The brake band comprises at least one projection formed in one piece with the brake band.

Abstract: The invention relates to a hand-operated tool with handle (1) with a handle section (2) on the user side and with a foot section (3) arranged on the bottom side of the handle section (2) and with a detachable one-piece upper handle shell (8) that covers at least substantially the handle section (2) on the user side and the foot section (3) on the bottom or ground side.

Abstract: In order to create a medium pump (100), in particular a lubricating oil pump for a motor chain saw, comprising a pump case (1) with a pump cylinder (14) and a pump piston (6) positioned displaceable in the pump cylinder (14) in direction of a pump axle (19), removable on one side, whereby the pump piston, by rotation about the pump axle (19) by running off an oblique control surface (7) placed on the pump piston (6) on a control head (16) of an adjustable pump lift adjusting device (8) realizes axial pump movements against the pressure of a first spring (4), whereby the pump lift adjusting device (8) is positioned removable in a guide (11) placed transversely to the pump axle (19) and fixedly connected with the pump case (1), pump which can be disassembled, cleaned, put together again and fitted again practically without any tool, it is proposed that the pump lift adjusting device (8) can be removed out of the guide (11) without any tool and the pump piston (6) in the pump cylinder (14) can be removed freely