Abstract: A fishing line feeder spool support comprises a pair of flexible arms which are adapted to grip a fishing rod ahead of a fishing reel mounted thereon. The feeder spool support comprises a threaded shaft which rotatably supports a spool of fishing line while the fishing line is installed onto the fishing reel through the operation of the reel crank. A flanged nut is threaded onto the shaft to hold the spool. The line tension can be adjusted by tightening the flanged nut against the spool, thereby adjusting the pulling force needed to remove line from the supply spool. A crankable supply spool can also be installed on the shaft to remove and store fishing line from the fishing reel for later replacement on the reel.

Abstract: A recording tape cartridge which can enable size-reduction of a drive device. A substantially rectangular case rotatably accommodates a single reel on which a recording tape is wound. An opening, for drawing out a leader member attached to an end portion of the tape, is formed by cutting away a corner portion of the case at a side of loading into a drive device. A covering member, which is formed to be substantially circular arc-shaped in plan view, moves on a predetermined circular circumference at a side wall portion which is parallel with a drive device loading direction, to open and close the opening. An operation portion protrudes from the covering member and is operated by an opening member provided at the drive device. The operation member moves through the position of a movement path of the covering member that is closest to the side wall in plan view.

Abstract: A magnetic tape cassette and a guide roller in which the magnetic tape can stably travel and the magnetic head can read/write the record correctly, and a method of manufacturing the guide roller are provided. The magnetic tape cassette of the present invention comprises a guide roller (106) rotatably supported by the lower cassette half. The guide roller is almost in the shape of a barrel of which a coefficient of curvature T expressed by the expression [1] representing the extent of curvature of the circumferential surface is in the range between 0.001 and 0.01, and comprises a primary molding and injected resin injected within the primary molding for bulging said primary molding into the shape of said barrel shaped cavity that has a largest diameter at the parting line by the injection pressure.

Abstract: A hose cart combining the features of an off-set handle, to permit any easier retrieval of paid out hose, a hose tracker, to permit hose to be neatly wound onto a reel, and a storage system comprising a protective housing, to provide storage and protection for a hose kept within, is provided. The invention includes the use of a crank to turn a reel which causes paid out hose to be drawn into the protective box onto a reel. The use of a plurality of gears permits the crank to be offset from the center of the reel, such that it is elevated to a more convenient cranking position. Further, the use of gears permits the same movement of the crank, which causes hose to be collected, causes a hose guide to move laterally, along the axis of the reel, such that hose is neatly layered onto the reel.

Abstract: An unmanned air vehicle includes a singular rear landing gear wheel on the aft end of the fuselage. Port and starboard wings with rear facing propellers are retractable to the aft of the fuselage. Upon retraction, the propellers may freewheel and a reversible motor-generator is provided to convert the freewheeling propeller energy into electric power. Photovoltaic cells also provide electric power to the unmanned air vehicle. Port and starboard nose fairings are control surfaces for the vehicle. The port and starboard nose fairings also include landing gear wheels. A method of flying an unmanned air vehicle includes retracting port and starboard wings to achieve a ballistic dive.

Abstract: Device and process for regulating the power of the engines of a rotary wing multi-engine aircraft. The regulating device (1) comprises, in addition to main regulating systems (2, 6) associated with the engines (M1, M2) of the aircraft, auxiliary regulating systems (12, 13) associated with said engines (M1, M2) and means (10, 11) for determining the speeds of rotation of the engines (M1, M2). Each auxiliary regulating system (12, 13) is capable of automatically adjusting the flow rate of fuel in such a way as to slave the speed of rotation of the associated engine, when its main regulating system has failed, to the speed of rotation of the other engine of the aircraft.

Abstract: An aircraft seat includes a seat cushion and a seat back. The seat cushion has a rear portion along the seat back and a front portion of complementary shape to the rear portion to form a complete seat cushion. The rear portion moves between a raised position and a lowered position. A coupling arrangement connects the front portion to the rear portion so that when the front portion is in the raised position along the seat back the front portion is in the lowered position, in which at least part of it is retracted under the rear portion. When the rear portion is in its lowest position along the seat back the front portion is in a raised, advanced position at the same height as the rear portion to form therewith the seat cushion of the seat for receiving a seated passenger.

Abstract: An structurally simplified actuation mechanism for swinging an aircraft door from a frame on an aircraft fuselage. The actuation mechanism includes a cantilever rotatably mounted to the frame and including a receiving region, a universal joint supported in the receiving region, and an actuation device disposed on the cantilever. The universal joint defines a vertical axis of rotation and is configured to receive a door fitting. The actuation device includes an output drive connected to the universal joint at the vertical axis of rotation.

Abstract: This invention solves problems associated with prior-art soft-dock mechanisms by placing all active components of a soft-dock system on the chaser side of the mechanism, leaving the target side of the mechanism completely passive (i.e., requiring no power expenditure or self-actuated moving parts to operate). In particular, the active components are supported on the end of a flexible cable attached to the probe, or chaser, side of the device. These components act as a sort of spring-loaded “trap.” Once the end of the probe passes into a receptacle on the target side, the mechanism is triggered, engaging it in such a way that it can no longer be pulled out of the receptacle until it is reset.

Abstract: As assembly for holding routing optical fibers from a rack-mounted equipment module includes a trough element and support elements that are adapted to attach the fiber-holding trough element in front of the front panel of the equipment module. In some embodiments, the trough element is a U-channel with its opening partially covered. Also in some embodiments, the support elements' are adjustable to permit placing the trough element at different distances from the front panel of the equipment module.

Abstract: The auger stand includes a vertical cavity (a “holding container”) adapted to receive the auger, and to hold it in a substantially vertical position which facilitates the connection and disconnection to and from a tractor. When the auger is held upright in a vertical position, a single operator may connect the boom assembly and the drive shaft of the auger assembly to appropriate connections carried by the tractor. This can be done without lifting the weight of the auger as would be necessary if the auger is placed in a horizontal position when disconnected. After use, the auger may be disconnected from the tractor and maintained in an upright position, relieving the operator from the task of having to lower the auger to the ground.

Abstract: A mounting device that provides a stable platform and an enclosed junction box for securing an electrical fixture or any standard wall-mounted electrical device to an outdoor structure. The mounting device includes a base member and a post member. The base member is secured to the outdoor structure and the post member secured to the base to create a weatherproof housing. The junction box includes an access port that allows pulling of cable and space for completing wiring connections within the box. Any standard wall-mounted electrical device may be installed in the junction box. After installing the electrical device, the standard faceplate for the installed device is used to close the access port and thereby seal the electrical device from rain and moisture. The post member will also accept a standard electrical fixture such as a light.

Abstract: A baby's play gym for supporting suspended toys can be reconfigured to form a magazine rack or a chair. The play gym includes upwardly convex arcuate first and second side supports arranged laterally opposite one another with a spacing distance therebetween. First and second hanger bars coupling the first and second side supports with each other for hanging toys thereon extend between upper portions of the first and second side supports. Third and fourth hanger bars for hanging other toys extend between lower portions of the first and second side supports. When reconfigured as a magazine rack or a chair, a strip member is supported from at least two of the hanger bars to form a sling trough to support books and magazines or a sling seat to support a person, while the play members are removed and some of the hanger bars may be removed.

Abstract: A leveling mount is disclosed for equipment in temporary or permanent installations wherein the supporting surface can be a non-level planar surface. A ball and socket support stud provides a self-leveling adjustment of support. An elastomeric removable mount base pad provides non-skid means. Limited swivel and radial movement of the ball and socket support stud are maintained. The leveling mount base can engage a support stud affixed to the supported equipment. A ball retaining agent provides a security lock against removal of the ball from the ball socket from sock or impact. The ball retaining agent alternatively is adjustable to limit range of swivel from 15° from the vertical and to lock limited swivel and rotary movements of the ball and socket stud into fixed positions.

Abstract: The present invention is a safety device used in an infant crib or playpen to protect its occupant from the individual hard (typically) wood vertical support posts (i.e., slats). A padded cushion is fastened around the entire crib slat, and has a solid, vertical support piece which is used to stabilize the pad in an upright, fixed position at all times. The safety support piece (i.e. stabilizing object) prevents an infant or toddler from pushing down on the pad and using it as a step to climb out of the crib.

Abstract: The pallet jack stop is a rectangular, durable, portable, molded, rubber wheel cradle for restraining the movement of the pivot wheel(s) of a warehouse style pallet jack. One side of the cradle is beveled or ramped. The bottom of the ramped side contains a plurality of grooves, and the perimeter of the bottom of the remaining three sides is grooved in such a manner as to cause the device to grip the supporting surface when loaded. The opposite side of the cradle has a handle that is integrally constructed with the body of the device. The cradle's construction meets all safety and environmental requirements and is structurally stable for heavy cyclic loading under a wide range of environmental conditions.

Abstract: In a locking device for a vehicle seat, particularly a motor vehicle seat with a first component group (12, 16), having at least one locking element (14) for interacting with a first seat rail (5), being pretensioned and movably borne on a second seat rail (8), and a second component group (22, 28) being movably borne relative to the first component group (12, 16) on the second seat rail (8) and acting on the first component group (12, 16) when acted on by a manually operated unlocking element (34), and control elements (20, 26) for controlling the unlocking process of the first component group (12, 16), the component groups (12, 16, 22, 28) are each rigid, and the control elements (20, 26) are arranged between the first component group (12, 16) and the second component group (22, 28).

Abstract: The invention relates to a bracket for turnable boards, whereby the base body (1) of the bracket together with the cross beam (10) of a support rod (8) form a support for the bracket, the base body of which, itself, is connected to the support rod (8) by means of a gapping piece (7).

Abstract: The present invention relates to a bedside book holding apparatus. The invention includes a support frame for a book, magazine or the like, a lamp, angle adjusting means, a swivel arm, an upright support and clamping means for connecting the apparatus to a bed.

Abstract: This invention is a pivot assembly 10 that connects mirror head 11 and a mirror mounting bracket 12 of a rear vision mirror that comprises a spigot 17, a plate 14 with an aperture 26 that is journalled to the spigot 17. A detent is located between the plate 14 and the spigot 17 which holds these components together to in turn hold the mirror head 11 in at least one required position with respect to the mirror mounting bracket 12. The detent changes from a locked position where the plate 14 is held with respect to the spigot 17 to a disengaged position when the plate 14 is rotated with respect to the spigot 17. A spring 40 acts against the detent to hold it in its locked position. The spring 40 yields to allow the detent to move to its disengaged position as the plate 14 is rotated with respect to the spigot 17. An attachment mechanism is provided both on the spigot 17 and the plate 14 that allows the spigot 17 to be secured to either one of the mirror head 11 or mirror mounting bracket 12.

Abstract: The present invention is a fence flag holder used to display smaller sized flags, banners or pennants on the rail of vinyl fences and/or wood fences for decorative purposes. The flag holder is a “u-shaped” hook design comprising of a one-piece molded plastic bracket with a tube on the front to hold the flag shaft and display the flag at a forty-five (45) degree angle. The flag holder fits over the rail of a fence allowing the flag to be displayed at special times of the year and to be removed easily for storage when not in use.

Abstract: Lightweight, reinforced, non-biodegradable, tubular plastic footing form members and assemblies which may contain stake-engaging bores and/or are nailable to each other and/or to supporting stakes. The form members are water-repellant to resist absorbing and bonding to wet concrete compositions so that they can be removed and cleaned for repeated reuse. Alternatively they can be left in place, since they are inexpensive and non-biodegradable, and can support a porous drain conduit adjacent the formed footing.

Abstract: The invention relates to a mould side system for concrete casts. The magnet unit according to the invention has no movable parts, but the magnet is a fixed component of the unit and detachment is carried out using a simple level tool. The fastening of the mould side to the magnet unit takes place by a known slanted-notch principle. According to an advantageous embodiment, the magnet unit has two faces for fastening mould sides, whereby parallel sides of separate, adjacent moulds may be fixed using the same magnet.

Abstract: Devices for controlling the flow of fluid through plastic tubes, such as tubes which are part of a disposable blood donation tubing set are disclosed. The device has a clamp adapted for attachment with one or more other clamps to allow for easy flow control through two or more tubing segments.

Abstract: An SMA actuated miniature latching valve for on and off control of fluid flow. A valve closure includes a poppet for opening and closing the fluid flow path. The poppet is operated responsive to an actuator mechanism which has SMA wires arranged to be actuated by electric resistant heating. Actuation causes different ones of the wires to contract and pull the poppet either toward or away from a valve seat. A latching mechanism comprising a conical spring operates between two bistable positions which hold the poppet either fully open or fully closed without further application of power to the actuators. A method of forming a secure mechanical and electrical connection between an SMA wire end and its support includes the steps of swaging a metal cone between a cone-shaped hole in the support and the wire end.

Abstract: A display device capable of switching over between vertical and horizontal display on a screen without using a frame memory is provided. A display device has a source signal line driver circuit (102), a first gate signal line driver circuit (103), and a second gate signal line driver circuit (104). The scanning direction of the first gate signal line driver circuit (103) is perpendicular to the scanning direction of the source signal line driver circuit (102), and the scanning direction of the second gate signal line driver circuit (104) is perpendicular to the scanning direction of the first gate signal line driver circuit (103). During normal display, vertical scanning of the screen is performed by the first gate signal line driver circuit (103). Images are displayed in a direction that is in accordance with the scanning direction of the first gate signal line driver circuit (103).

Abstract: A linear spring-loaded actuator (10) for a valve (12) comprises a housing (14) and an actuating spindle (16) slidably supported in the housing (14). A cap (22) is associated with the housing (14). Spring means (36), arranged in the housing (14), bear on the cap (22) and the actuating spindle (16), so as to exert a spring force on the actuating spindle (16). A thread (26) on the housing (14) cooperates with a thread (24′, 24″) on the cap (22) for screwing the cap (22) on the housing (14) so as to preload the spring means (36) in the housing (14). At least one lock means (40) is associated with one of the threads (24′, 24″) and is capable of deforming this thread (24, 24″) so as to lock it in any position on the cooperating thread (26).

Abstract: The present invention relates to an electromagnetic valve including a valve housing accommodating a magnet armature, a magnet core member, a valve closure member, and a valve seat to which a magnet coil can be fitted. The valve housing is composed of a first deep-drawn sleeve member and a second sleeve member that can be inserted telescopically into the first sleeve member. The second sleeve member has an open end remote from the first sleeve member which is preferably configured as a metal sealing seat with a valve accommodating member.

Abstract: A spring return type valve system includes: a valve (2) having a valve shaft (22) to be operated rotationally for controlling the flow rate of fluid flowing through a fluid channel; an actuator (4) having an output shaft (42) rotated by an electric motor; a spring unit (3) having a rotating shaft (32) for transmitting the rotational power of the actuator output shaft to the valve shaft and a return spring for giving the rotating shaft a rotational power in one direction; and a yoke (5) for the actuator and the spring unit to be detachably mounted on.

Abstract: A dual-assist hydropneumatic jack. The dual-assist hydropneumatic jack includes a frame having an upper portion, a lower portion, and a central portion. The central portion defines a chamber therein. A plurality of cylinders are coupled to the frame. A plurality of wheel assemblies are provided coupled to respective ends of the frame, and are adapted to support the jack during loading and unloading. A hydraulic assembly provides hydraulic fluid to and receives hydraulic fluid from the plurality of cylinders. A flow divider is provided between the hydraulic assembly and the plurality of cylinders to divide hydraulic fluid between the respective cylinders. The cylinder includes mechanism for raising and lowering in response to hydraulic fluid being introduced therein and evacuated therefrom. The cylinder is assisted in lowering by the introduction of air into the cylinder and by the weight of the load.

Abstract: A method and apparatus for moving a load. The apparatus is a floor jack that capable of reaching the load in a minimum amount of pumping by the operator. The lift reaches the load in a shorter amount of time so that the load can be moved quicker.

Abstract: This table comprises scissor arms (1, 2) assembled on a common rotation axis (3) and two thrust shafts (6, 7) shifting by the action of drive means and acting on the opposite sides of the scissor arms (1, 2), causing the tabletop (5) to lift or lower. The drive means comprise: a geared motor (8) providing a rotational movement to a first thrust shaft (6); an anti-rotation support (9) preventing the geared motor (8) from rotating around said first thrust shaft (6), and belts (10) fixed to the anti-rotation support (9) by one of their ends and to the periphery of the first thrust shaft (6) by the opposite end, wrapping around the second thrust shaft (7) with their intermediate area.

Abstract: In an elevator sheave for a flat belt, hard, thin surface plating can be applied to enhance durability while maintaining traction.

Abstract: A failsafe device for raising/lowering articles includes a frame and a fastener for attaching the frame to a ceiling or wall to elevated an article above the floor. A pulley or sheave is mounted on the frame about a substantially horizontal axis when the frame is mounted on the ceiling or wall. A cable is entrained over the pulley and has a substantially vertical lifting cable portion attachable to the article to the lifted and a substantially vertical pulling cable portion arranged to be pulled downwardly by a user to elevate the article and raised upwardly to lower the article. A cam is mounted on the frame on one side of the pulling cable portion and has a cable engaging surface.

Abstract: A fuel mixer box is provided for supplying a fuel mixture to each cylinder of an engine. The fuel mixer box includes a housing defining a chamber for receiving combustion gases generated by the engine during the operation thereof. Input conduits have inputs connectable to a fuel source for receiving fuel therefrom and outputs. Output conduits have inputs communicating with the outputs of corresponding input conduits and outputs connectable to corresponding cylinders of the engine. In addition, the output conduits communicate with the chamber to receive combustion gases to be mixed with the fuel to provide the fuel mixture. In addition, fuel may be supplied directly to the output conduits through corresponding venturis within the housing.

Abstract: The invention relates to a carbonating device for charging a liquid with a pressurized gas. Carbonating devices of this type are generally used for adding carbon dioxide or CO2 to tap water or so-called still water. According to the invention, the pivotal filling device can be locked into a so-called pivotal position in a manner that makes the inventive carbonating device easier to handle than commercially available carbonating devices. The invention provides that the pivotal filling device can be firstly brought into the pivotal position and locked in place by using one hand. Afterwards, the water bottle can be clamped or screwed onto the filling device by using both hands. Together with the water bottle, the filling device is then released from its locked position and placed into the so-called filling position.

Abstract: A steam pressure reducing and conditioning valve for passing a superheated steam S inflowing from a first port 1 through a pressure reducing section 2, and, supplying subcooled water mist W and discharging desuperheated and depressurized steam S2 from a second port 3, wherein a first nozzle 4 for supplying mist W is provided in proximity to the pressure reducing section 2. The nozzle 4 injects subcooled water mist in a planar pattern r perpendicular to the flow of depressurized steam S1. Said first nozzle 4 is disposed such that there is a predetermined distance L between the jet pattern r of moisture W injected from the nozzle and the pressure reducing section 2.

Abstract: A reactor produces a gas-in-liquid emulsion for providing increased interfacial contact area between the liquid and the gas for improved reaction of the gas with the liquid, or more rapid solution or reaction of a difficulty soluble or immiscible gas in or with a liquid. The reactor is suitable for a continuous or batch type process. Rotor and stator cylindrical members are mounted for rotation relative to one another and have opposing surfaces spaced to form an annular processing passage. The gap distance between the opposing surfaces and the relative rotation rate of the cylindrical members are such as to form a gas-in-liquid emulsion of the gas in the liquid. The liquid and gas pass through the processing passage, changing into the gas-in-liquid emulsion.

Abstract: An air spring includes a flexible member which, on the one hand, is attached to a housing and, on the other hand, to a roll-off piston and which encloses an air volume. The surface of the housing, which faces toward the air volume of the air spring, is charged with the air pressure of the air volume; and, the air spring can be connected to the chassis of a motor vehicle with the interposition of an elastic bearing. The housing includes at least two parts of which a first part serves as the connection of the air spring to the chassis of a motor vehicle and a second part serves as the attachment of the flexible member; and, the elastic bearing is configured to have an annular shape and is mounted between the two parts of the housing.

Abstract: A shock mount to support the static weight of a housing while at the same time effectively attenuating shock or vibration imparted to the housing with the shock mount having a shock isolator for supporting the weight of the display and a bezel extending around the display with the bezel comprising a second shock an d vibration isolator that coacts with the first shock set of shock isolators to further attenuate shock and vibration forces to the system.

Abstract: A one way clamp mechanism C is composed of a clamping section 7 provided with a clamp pawl 10 and a locking section 8 in which an outer guide 22 of the clamping section 7 is slidably provided on a smaller diameter section 31 of the locking section 8. The one way clamp mechanism C is also composed of an inclined plane 28 provided on the outer guide 22, a lock ball 33 housed in a long opening 32 of a small diameter section 31, and a first spring 34. The lock ball 33 is biased to move in a locking direction (shown by the arrow A) by the first spring 34 and the clamping section 7 is biased to move in a locking direction by a second spring 37.

Abstract: The invention provides for an improved signature hopper loader for feeding signatures to a hopper on a binding line. The hopper loader includes two conveyor assemblies that work together to feed signatures to the hopper. The first conveyor assembly is connected to the second conveyor assembly such that there is an angle in the range of 110-120 degrees between the first and second conveyor assemblies. The first and second conveyor assemblies also include forming guides that serve to fan, or deblock, the signatures that are traveling along the first or second conveyor assembly. As the signatures travel over the forming guides, they are bent to give the signatures rigidity and to further facilitate deblocking. The hopper loader further includes an opposing belt that is held on top of at least a portion of one of the transporting belts. The opposing belt is hinged to the frame of the hopper loader and preferably swings down on top of the center belt in the second conveyor.

Abstract: In connection with a method for automatically inserting documents to be displayed on a display device and/or copied in a digitizing device, such as microfiches, microfilm jackets or the like, in which process one document at a time is transported from a stack of documents to be processed to a document support and from there to a deposit magazine for the processed documents, provision is made according to the invention that the top document of a stack of documents contained in the holding magazine is pulled up by suction to about the level of the document support and the remaining stack is subsequently retained by suction acting in the opposite direction; the document pulled up by suction is transported sideways to the document support, and deposited on said support by terminating the suction effect, and the document is then picked up by suction again after it has been processed, and is transported to the deposit magazine.

Abstract: This invention discloses a skateboard maze game comprising a board having a surface, an underside, a front section, and a back section at least one maze grooved into the surface of the board, at east one ball per maze which fits into the grooves, and at least one ground support element. The board is positioned on top of wheels, half wheels or some other supporting structure, allowing an individual standing on the board to move the board around to work the maze.

Abstract: Improved Baccarat Game methods and a device for playing the games are set forth wherein players each make a wager and are dealt a two-card hand of cards. A Banker hand is dealt with two cards face down and a third card face up. Players can receive a third card to better their hand value, modulo ten. After all players have completed their hands, the Banker hand is completed based upon established rules which may or may not include the third, exposed Banker card. According to another embodiment the Banker may receive a third and fourth card face up and eliminate the higher of the two. If the banker is entitled to use a third card, the remaining card is summed with the other two Banker cards. Each Player hand and the Banker hand are compared in a manner similar to Baccarat.

Abstract: A seal of non-hermetic design for installation between two components which can move relative to one another, includes a multiplicity of flexurally elastic sealing elements which each have an end connected fixedly to a seal-bearing device and a free, angled end with the point directed toward the surface of the one component, the seal-bearing device being connected fixedly to the other component and supporting the angled ends of the sealing elements at least on one side. The sealing elements are designed as thin-walled, angled spring leaves and are arranged parallel next to one another and in at least two layers one above the other with alternate overlapping.

Abstract: A seal segment (66) as described for a seal segment ring (64) of a turbine (16) in a gas turbine engine (10). The seal segment (66) has an inner surface (70) adapted to face the turbine blades (36) in use. Path means (72) is defined in the seal segment (66). The path means (72) is adapted to extend, in use, generally parallel to the principal axis of the turbine and has downstream inlet means (74) through which a cooling fluid to cool the seal segment can enter the path means (72) and upstream outlet means (76) from which the cooling fluid can be exhausted from the path means (72). The cooling fluid can flow along the path means (72) in a generally upstream direction opposite to the flow of gas through the turbine.

Abstract: A weather strip or glass run for an automotive vehicle. The weather strip comprises a main body formed of an elastomer. A slidably contacting section to which a part other than the weather strip is slidably contactable is fixedly formed on the main body and contains a material having at least one of hydrophilicity and water absorbability. The slidably contacting section may be integral with the main body to form a one-piece structure, in which the slidably contacting section is formed of the elastomer, and the elastomer of the main body and the slidably contacting section contain the material having at least one of hydrophilicity and water absorbability.

Abstract: The invention concerns a clamping device comprising a tensioning spindle whereof one end has a first axially fixed support surface and whereof the other end has a second axially mobile support surface and mobile relative to the first support surface through a clamping element. Between the two support surfaces on the tensioning spindle are one or several elastomer adapter sleeves.

Abstract: A clamping jaw for a tool holder chuck, wherein the clamping chuck has two clamping jaws arranged spaced apart and diametrically opposite one another relative to an axis of rotation of the clamping chuck and moveable toward and away from one another for clamping a tool shaft by moving the clamping chuck with a radial component, has a longitudinal slot having a slot mouth open toward the axis of rotation and a slot bottom. The longitudinal slot receives positive-lockingly the tool shaft and has slot flanks defining an approach angle at the slot mouth and a slot bottom angle at the slot bottom. The approach angle is greater than the slot bottom angle. The clamping jaw is manufactured with a disc milling cutter with opposed milling cutter flanks located radially outwardly and positioned slantedly relative to one another at different flank angles. The flank angles increase toward a center of the cutter body.