Abstract: A portable spray apparatus (1) is provided to selectively discharge liquid spray medium and solid dust medium with a blower airflow (7) generated by a blower (6). An adaptor (8) is provided which has at least a channel section (9) of a liquids channel (10) for the liquid spray medium and a channel section (11) of a solids channel (12) for the solid dust medium. The adaptor (8) is releasably connected to a supply vessel (4). The liquids channel (10) and the solids channel (12) open into the blower airflow (7). Various built-in positions of the supply vessel (4) and of the adaptor (8) are freely selectable relative to each other and to the blower unit (3) by the operator. In one built-in position, the liquids channel (10) is connected via its channel section (9) to an interior space (13) of the supply vessel (4) and, in another built-in position, the solids channel (12) is connected to this interior space (13) via the channel section (11) thereof.

Abstract: A surgical microscope (1) includes a viewing unit (3) for viewing an object (5) and an image projection module (7) for inputting image data (9) into the viewing unit (3). The image projection module (7, 107, 207, 307) includes a plano-convex lens and a plano-concave lens. The image projection module (7, 107, 207, 307) includes an image display unit (11, 111, 211, 311).

Abstract: A machining apparatus includes at least one tool holder (1) and at least one cutting tool (2) that are detachably interconnected. At least one first marking (7a) is provided on the tool holder (1) and at least one further marking (7b) is provided on the cutting tool (2). When connecting the tool holder (1) to the cutting tool (2), they can be aligned with each other with the aid of the markings (7a, 7b). The machining apparatus is preferably used for machining spectacle lenses, especially progressive lenses.

Abstract: The invention relates to an arrangement for at least partially compensating a torque caused by gravitational forces acting on a mass body (2), which is rotatably supported on an axis of rotation (3). The arrangement includes a gas pressure spring (5) for providing a linear force. This linear force is transformed into a torque by means of a converter unit (7). The mass body (2) and the converter unit (7) can be coupled to each other in a way which allows for adjusting the amplitude and the phase of a compensating torque.

Abstract: A heater core assembly includes a heater core having two tube stubs projecting therefrom. Two heater tubes engage the two tube stubs, respectively, to define respective abutting interfaces therewith. A clamp couples the heater tubes to corresponding ones of the tube stubs. The clamp includes a first bracket half having two arcuately-shaped openings formed therein for accommodating the stub/tube pairs at the abutting interfaces to permit the stub/tube pairs to extend transversely to the clamp. A second bracket half is hinge connected to the first bracket half to permit opening and closing of the clamp. The second bracket half has two arcuately-shaped openings to accommodate the stub/tube pairs when the second bracket half is pivoted onto the first bracket half. A latch latches the first bracket half and the second bracket half to each other when the clamp is closed.

Abstract: A hand-guided sweeper (1) includes a guide rod (3) on which a handle (24) is mounted for guiding the sweeper (1) over the ground. The sweeper (1) has at least one sweeper brush (10), which is driven in rotation by a drive motor (2), and at least one wheel (5). The wheel (5) and the sweeper brush (10) lie against the ground during operation of the sweeper (1). The sweeper (1) has a first adjusting device (50) which permits an adjustment of the guide rod (3) relative to the sweeper brush (10) about a vertical axis (43) referred to the ground.

Abstract: An HMD device has an imaging optic for the right eye and an imaging optic for the left eye. Each imaging optic so images an image, which is generated in the object plane, that the image can be observed by a user in an image plane and each of the imaging optics includes an optical element (23) and a deflecting element (25) mounted downstream of the optical element (23). An image transducer (24) and the optical element (23), which follows the image transducer (24), are held by a linearly guided receptacle frame (15) moveable via a drive unit. A linear movement in the direction of an optical axis takes place. Adjusting wheels (4, 5) are mounted on respective sides of the image window for the right and left eyes. Each of the adjusting wheels (4, 5) is coupled mechanically to a corresponding cam curve. Each cam curve translates a rotational movement of the adjusting wheel (4, 5) into an output end linear movement of the receptacle frame (15).

Abstract: A whip, particularly a double whip (1), as part of a slaughter line includes at least a whip section (A) and a head section (B) which is in contact with a machine shaft. The whip section (A) is made of a soft polymeric material while the head section (B) is made of a hard and impact-resistant polymeric material as a hard-soft combination with the whip section and the head section being integrally joined to one another within a connecting region (C) thereof. The whip section (A) is provided with a rib-groove system (2) within the impact zone or effective zone. The connecting region (C) between the whip section (A) and the head section (B) is designed such that a large adhesion area (3) is provided, especially by forming a wedge. The head section (B) is additionally provided with a recess (4) that has a substantially tubular configuration for accommodating a bushing (5).

Abstract: A carburetor (1, 51) has an intake channel (2) wherein a throttle element and a choke element are arranged with the choke element being upstream of the throttle element. The choke element is displaceable between an operating position (8) and at least one starting position (9). A first fuel path is provided which supplies fuel to the intake channel section (2) in dependence upon the underpressure present therein. A first controllable valve (20) for controlling the supplied fuel quantity is mounted in the first fuel path. In order to achieve an adapted fuel supply in different operating states, a second fuel path is provided which defines a bypass line to the first valve (20). A second valve (44, 54) is mounted in the second fuel path. A method for operating the carburetor (1, 51) provides that the second valve (44, 54) is actuated in dependence upon at least one operating parameter of the carburetor (1, 51).

Abstract: An operating menu is provided for display with a touch-sensitive display screen (105) in a surgical microscope (100). The operating menu has a first operator-controlled area (106) wherein at least one touch-sensitive actuation field (107) is provided for adjusting a surgical microscope operating mode. In a second operator-controlled area (108) of the operating menu, a touch-sensitive actuation field (109) is provided with a function dependent upon an adjusted surgical microscope operating mode.

Abstract: A measuring brace is removably fastened to a spectacle frame. The measuring brace has a traverse and two legs. A front face of the measuring brace is provided with at least three front target marks for measuring the forward angle (?) of a spectacle frame to be measured. At least one of the front target marks is disposed spatially offset relative to the at least two other front target marks, essentially perpendicular to the front face of the measuring brace. The measuring brace has coupled clamping elements provided for fastening the spectacle frame (32). In addition, a measuring brace is suggested which is removably fixed to a spectacle frame and in which at least three lateral target marks (27, 27?, 28, 28?, 29, 29?) are provided for measuring an angle of twist (?). The invention also relates to an arrangement and a method for determining the forward tilt angle (?) and the angle of twist (?) of a spectacle frame.

Abstract: An antivibration unit of a portable handheld work apparatus includes a leg spring (3) having at least one wire turn (5) and at least one first wire leg (6). The wire turn (5) extends about a turn or coil axis (4) and is attached at the first component assembly (1) and the first wire leg (6) extends outwardly and tangentially from the wire turn (5). A wire leg end (7) of the wire leg (6) is attached to the second component assembly (2).

Abstract: A method images an object (4) by means of a wide field optic onto a position resolving detector (6) for optical radiation with suppression of stray light. In this method, the object (4) is illuminated in at least one object plane (3) with at least two illumination patterns (26, 27) and corresponding images are detected for each of the illumination patterns (26, 27). The illumination patterns (26, 27) each have bright regions (26; 33; 37) and dark regions (27) in the object plane (3). When there is a superposition of the illumination patterns (26, 27) in the optic plane (3), the object (4) is completely covered. A dark image of the object is determined from the detected images. A bright image of the object (4) is generated and the dark image is subtracted from the bright image.

Abstract: A microscope arrangement (200) is for viewing an object or an intermediate image, which is generated by an object, especially in microsurgery. The microscope arrangement (200) includes an objective arrangement (201) having an object plane (209) for arranging the object or intermediate image (210) to be viewed. The microscope arrangement has a focus offset adjusting unit (260) which outputs a focusing offset signal in order to defocus in a defined manner the objective arrangement relative to a focusing state.

Abstract: An exchanging device is for exchangeably holding a sensor, probe element or tool on a machine or on a machine part or a rotation-pivot unit on a machine or a machine part, preferably, a coordinate measuring apparatus. The exchanging device includes a take-up holder having a first bearing part and a counter piece (22) having a second bearing part corresponding to the first bearing part. A releasable clamping unit (42), for example, a magnetic clamping unit, is provided with which a clamping force is generated between the first and second bearing parts when the counter piece is accommodated on the take-up holder. A locking device having a first locking element (29) is provided on the take-up holder and a counter piece corresponding to the locking element (29) of the take-up holder is provided on the counter piece (22), for example, in the form of a slider (30). With the locking device, the counter piece can be mechanically coupled to the take-up holder in the state when it is taken up by the take-up holder.

Abstract: An arrangement for controlling the deflection of an electron beam in a vapor deposition system includes a control unit to which are assigned deflection modules (23, 27) which can be driven in accordance with respective selected functions. By driving these deflection modules, the electron beam can be deflected in two coordinate directions. At least one of the selected functions has a time-changing term via which the periodicity of the deflection of the electron beam (14) changes with respect to this coordinate direction. The term can be pregiven manually or automatically. The invention also relates to a method for controlling the deflection of the electron beam in a vapor deposition system.

Abstract: A fuel system (1) for a vibratory rammer (2) includes a tank arrangement (3), a diaphragm carburetor (4), a fuel line arrangement (5) and a venting line arrangement (6) for complementary venting of air from the fuel system (1) to the atmosphere. The fuel system (1) also includes a venting valve (7) which is open and closeable to the atmosphere. The tank arrangement (3) includes a primary fuel tank (8) and a secondary fuel tank (11).

Abstract: A system detects electrons according to their emission direction in a scanning electron microscope. The system includes a scintillator electron detector and a set of electrodes focusing and controlling the electron flow. At least in two sectors of the electron flow from the sample stage (7) to the scintillator (3), sector flow control electrodes (9) are placed and supplied alternatively with electric pulses. The sector flow control electrodes (9) may be made of a metal grid or in a shape of conducting plates or deposited on the surface of a microporous plate in the form of a thin conductive layer.