Abstract: An integrated platform is provided for digitizing checks and other documents, including the processing of the digitized checks in accordance with Check 21 standards and requirements, and for reading and decoding optical codes. The integrated platform includes a document scanner or digitizer for digitizing checks and other documents, and a data capture device for imaging and scanning optical codes, and sensing RFID optical code signals. The processor executes application software for processing the digitized checks in accordance with Check 21 standards and requirements and for operating the data capture device.

Abstract: A mirror module, comprising a collection mirror comprising an opening and a first reflective surface lying in a first plane, and a fold mirror coupled to said collection mirror, said fold mirror comprising a second reflective surface lying in a second plane, the second plane not being parallel to the first plane. In addition, said fold mirror may extend behind said collection mirror at an angle, wherein said angle is established so that a laser impinging on said fold mirror is reflected through said opening in said collection mirror.

Abstract: The present invention provides a method to optimize the configuration of a symbology reader without the need for user intervention. Following a predetermined number of successful decodes, the reader automatically determines the symbology of interest and disables the decoding algorithms not being used. For example, if after four or five successful decodes have occurred and the unit determines that all of the successful decodes were of a single symbology type such as a PDF417 barcode, all other decoding algorithms, with the exception of the PDF417 decoder, will be disabled. Other embodiments may be included which adjust the scan window size and the image capture parameters of the reader based on the symbology of interest.

Abstract: Two-dimensional code having superior decoding property making it possible to control the level of error correcting codes, and a method for encoding and decoding the two-dimensional code is provided. The two-dimensional code includes a finding pattern area comprised of finding patterns for discriminating the code area from the whole image, a timing pattern area comprised of timing patterns for checking a position of the data area from the whole code and the position of each cell of the data area, and a data area being inputted with various kinds of data and decoding information.

Abstract: A hand-supportable digital imaging-based bar code symbol reader comprises: an automatic object presence detection subsystem; a multi-mode area-type image formation and detection subsystem having narrow-area and wide-area image-capture modes of operation; a multi-mode LED-based illumination subsystem having independently controllable LED illumination arrays; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; an image-processing bar code symbol reading subsystem; an input/output subsystem; and a system control subsystem for controlling the subsystems. The hand-supportable imaging-based bar code reader employs a method of intelligently illuminating objects during image capture, wherein the LED illumination arrays are independently controlled during particular moments of object illumination to generate digital images of objects which, through digital image analysis, are determined to be substantially free of noise (i.e.

Abstract: Methods and apparatus for illuminating objects comprising asymmetrically illuminating an object using an illumination medium on one side of an optical module of an information capturing module, capturing an electronic representation of the object and decoding the electronic representation of said object. In alternate embodiments, the scanner successively illuminates the object from a plurality of different angles until the object and/or dataform is decoded. The illumination medium can be external to the information capturing module.

Abstract: A wireless automatically-activated bar code symbol reading system having a wireless hand-supportable bar code symbol reader in two-way RF communication with a base station, by way of an RF-based wireless data communication link having a predetermined RF communication range. A manually-operated data transmission activation switch is integrated with the hand-supportable housing, for generating a data transmission control activation signal in response to the activation of the data transmission switch within a first predetermined time period. A device controller is programmed to automatically detect when the wireless reader is located inside of the predetermined RF communication range, and thereuponautomatically transmit to a first RF-based transceiver, the symbol character data string produced at substantially the same time when the data transmission control activation signal is generated while the wireless reader is located inside of the predetermined RF communication range.

Abstract: A method for hierarchical management of a plurality of regions of an encoded surface. The method includes recognizing unique encoded information on a portion of the surface in response to a pen computer touching down on the portion. A unique location of the portion of the surface is determined based on the unique encoded information. A region is determined out of the plurality of regions for the location. Upon the determination of the region, a determination is made as to whether the location is within a sub-region within the region. If the location is within a sub-region, a function of the pen computer is performed based on the sub-region. If the location is not within a sub-region, a function of the pen computer is performed based on the region.

Abstract: A method for monitoring a subscriber's use of a service in a telecommunication network including a communication device configured to communicate through the telecommunication network with a server. The communication device may be coupled to a subscriber's smart card, such that the subscriber's smart card includes services configured to initiate or receive an action from the communication device. Further, the action may include at least one parameter identifying a first service, such that the method may include an interception step, in which a command associated with the first service is intercepted. Subsequently, the method may also include an extraction step, in which relevant data identifying the first service is extracted from the command. Following the extraction step, the method may also include a calculation step, in which the relevant data is analyzed to provide statistical information, which may be related to behavior of the subscriber's use of the first service.

Abstract: A vehicle identification system is disclosed that organizes pertinent data about an automobile and the automobile's owner on a card the size of a credit card. Various pictures of the vehicle are positioned on the card for quick visual inspection, and a bar code and magnetic strip interface with established national networks so that registration information can be gained instantaneously. Detailing performed on the vehicle can also be stored on the card via the bar code and/or magnetic strip to assist insurance and law enforcement employees in confirming a vehicle.

Abstract: A tamper resistant, integrated circuit (IC) module includes a ceramic-based chip carrier, one or more integrated circuit chips attached to the chip carrier, and a cap structure attached to the chip carrier, covering the one or more integrated circuit chips. A conductive grid structure is formed in the chip carrier and cap structure, the conductive structure having a plurality of meandering lines disposed in an x-direction, a y-direction, and a z-direction. The conductive grid structure is configured so as to detect an attempt to penetrate the IC module.

Abstract: A product provided with a coding pattern which comprises a plurality of marks, each of which represents one of at least two different values, and which further comprises a plurality of nominal positions, each of the plurality of marks being associated with a nominal position and the value of each mark being determined by its location relative to its nominal position. A method and device of using the product are also disclosed.

Abstract: An apparatus for generating a defined environment for particle-shaped samples, comprises a support element with a rest end for a particle-shaped sample and an apparatus for generating a humid gas flow at a mouth end thereof. The mouth end is directed to the rest end. A gas provider provides gas having a first dew-point temperature. A cooler cools the gas to a cooler temperature under condensation of moisture to adjust a second dew-point temperature of the gas. A guide guides the gas with the second dew-point temperature to the mouth end, preventing condensation of moisture from the gas. A controller adjusts the relative humidity of the gas at the mouth end by adjusting the cooler temperature and adjusting the temperature of the gas at the mouth end.

Abstract: A wick-based delivery system includes a container for holding a liquid that has an opening therein. A porous wick is positioned in the container so that a lower region of the wick is in contact with the liquid in the container and an upper region of the wick is exposed to the ambient air. The porous wick has discrete inner and outer concentric cylindrical sections, the inner cylindrical section being made of a sand-based material and the outer cylindrical section being made of a plastic material.

Abstract: The device is comprised of a jet body (2) and a body for a fan shaped squirt (3) which can be mutually coupled. The squirt body (3) has a squirting orifice (9) which comprises four consecutively connected portions, of which, in the washer fluid flow direction, the first portion (10) is conical and in decreasing section; the second section portion (11) forms a spherical cap in decreasing section; the third portion (12) is in rectangular cross-section and in increasing section; and the fourth portion (15) is in rectangular cross-section in decreasing section in said flow direction and configures a convex outlet edge (16), which is surrounded by an outer lateral squirting groove.

Abstract: An apparatus and method for dispensing fluid including a pressure vessel at a first pressure and a reservoir at a second pressure. The reservoir communicates with the pressure vessel via a first aperture and with an environment at a third pressure via a second aperture. A reservoir vent having open and closed positions, that when opened the reservoir vents to a fourth pressure, and when closed the reservoir does not vent. A piston moveably disposed within the reservoir, and defines an aperture therethrough. A first burst seal disposed in the first aperture seals the pressure vessel from the reservoir, and engaged with the piston to be moveable therewith. A second burst seal disposed in the second aperture seals the reservoir from the environment. When the reservoir vents to the fourth pressure, the piston ruptures the second seal, and a first and third pressure difference ruptures the first seal.

Abstract: A multi-pattern spray nozzle assembly includes a movable internal water conduit that may be in the form of a rotary member. The movable water conduit is movable between a plurality of spray stations on a spray head, each spray station capable of generating a different spray pattern. The movable water conduit may be manipulated by a knob located at the rear portion of the multi-pattern spray nozzle assembly.

Abstract: The push-button is made up of two parts which fit into each other and define between them a whirl chamber, a part of which is formed by a cavity (38) defined inside the outer part on a face of the latter that is tilted in a direction and at a sufficient angle (?), suitable for making it possible to remove the outer part from the mould “along the axis” without damaging the cavity.

Abstract: A portable, user shoulder supported spreader/blower unit includes an ergonomically configured housing which includes a section defining a storage bin for holding a quantity of salt or like chemical particulate material for spreading onto ground surfaces to prevent icing thereon in winter. A centrifugal distributor disk is located in a housing space section below the bin and, a bin discharge aperture aligns over a peripheral area of the distributor disk. A user controllable closure member selectively alters bin discharge aperture size and, hence, outflow quantity from the bin onto the distributor disk, the distributor disk rotating at high speed propelling particulate material out of the housing through a discharge nozzle thereon at a high speed. e.g., 60 m/sec when the unit is user in a spreader mode.

Abstract: A shredding apparatus includes a shredding drum capable of quickly and effectively clearing large tracts of land. Several cutter blocks are positioned in axial rows across the periphery of the drum and are secured to the drum by welding. The blocks in each row are evenly spaced from one another and may be offset from the axial direction of the drum by angle of between about 4°°and about 10°. Each of the blocks includes a cutter tooth. Each tooth includes a shank that is removably anchored in a hole in each block. The teeth are typically reinforced with an extension projecting back from the face. The blocks are placed around the drum to enable the teeth collectively to fully sweep the ground surface during each revolution of the drum.

Abstract: A take-up roll forming apparatus for flexible strip material comprises a motor-driven shaft journaled for rotation on a frame where the shaft extends through a circular plate that is affixed to the shaft. A plurality of magnets is affixed to the plate in a predetermined pattern. A reel having a tubular core is adapted to slip over the motor-driven shaft and the reel also includes a circular end plate having magnets affixed thereto such that when the motor-driven shaft rotates, it tends to carry the reel with it due to the magnetic forces attracting the magnets on the motor-driven plate to the magnets on the end plate of the reel.

Abstract: A decurl roller 22 of a decurl unit 20 is an axially rotatable member that eliminates curl of printing paper 24 drawn out of roll paper holders 21b. The decurl roller 22 is pressed by tension springs 23b, which are respectively spanned between the periphery of a roll paper shaft 21a of roll paper 21 and a roller shaft 22a of the decurl roller 22, to be continuously in contact with a cylindrical face of the roll paper 21 wound in a cylindrical roll. The decurl roller 22 moves to approach the roll paper shaft 21a with a decrease in remaining amount of the roll paper 21. As the remaining amount of the roll paper 21 decreases, the decurl roller 22 linearly moves along guide rails 23c, which are formed in support members 23a, toward an eccentric position from the roll paper shaft 21a to increase a contact area and a contact angle ?PQR of the decurl roller 22 with the printing paper 24.

Abstract: A material carrying reel comprises a pair of spaced apart side flanges and a plurality of staves affixed to the side flanges where the plurality of staves comprise a core of the material carrying reel. Each stave has a cover thereupon which comprises an elongated channel having a flexible extension extending from at least one edge of a closed side of the channel, the flexible extension providing support to material wound upon the material carrying reel.

Abstract: The aircraft incorporates a single ducted propeller. The fuselage Bridges over the ducted propeller assembly, and is shaped in a way that the incoming air can smoothly flow into the propeller area. The duct has an aerodynamically shaped frontal area, and an aft extension, which forms the tail section. The wings are attached to the side of the duct. The ducted propeller assembly also contains louvers, which run span wise, to redirect the outgoing air in horizontal direction. During vertical take-off or landing, the propeller has a horizontal plane of rotation, after take-off the whole craft entirely tilts forward approximately 26 degrees to transition into horizontal wing born flight. During vertical flight, the aircraft is controlled by control louvers installed inside the ducted propeller assembly in the propeller slipstream.

Abstract: Disclosed is an aircraft, configured to have a wide range of flight speeds, consuming low levels of power for an extended period of time, while supporting a communications platform with an unobstructed downward-looking view. The aircraft includes an extendable slat at the leading edge of the wing, and a reflexed trailing edge. The aircraft comprises a flying wing extending laterally between two ends and a center point. The wing is swept and has a relatively constant chord. The aircraft also includes a power module configured to provide power via a fuel cell. The fuel cell stores liquid hydrogen as fuel, but uses gaseous hydrogen in the fuel cell. A fuel tank heater is used to control the boil-rate of the fuel in the fuel tank. The fuel cell compresses ambient air for an oxidizer, and operates with the fuel and oxidizer at pressures below one atmosphere. The aircraft of the invention includes a support structure including a plurality of supports, where the supports form a tetrahedron that affixes to the wing.

Abstract: A spacecraft system for achieving LEO and beyond includes a lifting body spacecraft, and an acceleration bed unit for accelerating the spacecraft horizontally on a runway to liftoff. The rocket engines of the spacecraft then power the spacecraft into LEO, and the spacecraft glides back to earth, where it is refurbished for reiterative use. A belly assembly of the spacecraft is removable and replaceable. The hydrogen fuel tanks of the spacecraft are modular units, and each include a bladder that expands to fill the tank when empty to prevent explosion hazards.

Abstract: An aircraft takeoff process may include applying a pitch command deflecting an adjustable horizontal tailplane of the aircraft by a predetermined angle. Thereafter, the pitch command is corrected in accordance with the deviation between a takeoff rotation speed and a stall reference speed VRref of the aircraft.

Abstract: Systems and methods for braking aircraft are disclosed. These systems and methods can be employed on multi-main gear aircraft to reduce the radius with which the aircraft makes low speed, pivot turns. Further systems and methods can be used to correct the braking behavior of the aircraft during a turn when the actual or measured braking behavior of the aircraft deviates from the commanded turning behavior. For example, one system includes a controller operatively coupleable amongst a leftmost landing gear, a rightmost landing gear, and an intermediate landing gear of an aircraft. The controller can be configured to direct the application of brakes on wheels of the leftmost landing gear during a left turn, and direct the release of brakes on all wheels of the intermediate landing gear during the left turn.

Abstract: Preferably a seat mounting rail for a passenger aircraft includes a base connected to a crown by a web. The crown includes two support flanges protruding laterally in opposite directions from a reinforcement zone that connects to the web and that has a seat-securing groove extending longitudinally therealong. Floor panel elements can be supported on the support flanges. The reinforcement zone top surface preferably does not protrude above the support flange top surfaces but rather is at least substantially flush and planar therewith. The single horizontal base flange forming the base, the single vertical web and the support flanges preferably form a generally I-shaped sectional profile. The reinforcement zone may include a triangular sectional hollow lower reinforcement structure tapering to the top of the web. Large-area floor panels can span continuously laterally over the rail and can be arranged independently of the spacing between the rails.

Abstract: A window assembly for an aircraft fuselage comprises an exterior transparent panel and an interior transparent panel positioned in an opening of the fuselage. At least one of the transparent panels may be relatively lightweight and the exterior transparent panel may be spaced apart from and in overlying relationship with the interior transparent panel. To ameliorate pressure build up in the spaced apart area, a pressure modulator, such as a vent, may be provided.

Abstract: An in-flight refueling system and method are provided for facilitating the emergency separation of the components of a probe and drogue in-flight refueling. The in-flight refueling system and method provides a fuse device capable of being installed between, for instance, an elongate hose configured to trail from a tanker aircraft, and a drogue connected to, and in fluid communication with, the elongate hose. The fuse device may be configured to separate in response to a separating force such that the drogue may separate from the elongate hose prior to the exertion of a damaging force, a non-certified force, or an unknown aerodynamic force on the elongate hose, on a probe carried by a second receiver aircraft, or on the tanker aircraft.

Abstract: A self-transpiring hot skin for a hypersonic or reusable space vehicle that can provide protection to the vehicle during short periods of abnormally high heat flux (either planned in the flight profile or an off-nominal event). The hot skin includes a ceramic composite structure having an internal cavity that is coupled either to the insulating layer or directly to the support structure of the hypersonic vehicle. The internal cavity includes a material system that vaporizes, sublimes or decomposes into a gas when the temperature exceeds the upper temperature capability of the composite material. The gas transpires through the outer layer of the composite material to provide cooling to the outer layer below the upper temperature capability. Cooling may occur both by conduction of heat from the composite material to the transpiring gas and by the interaction of the transpiring gas with the boundary layer of hypersonic flow over the outer surface, leading to a reduction of the heat flux entering the surface.

Abstract: A pipe support assembly for supporting a section of pipe from an overhead structure includes at least one support portion and a hanging element or strap for hanging the support portion or portions from the overhead structure. At least one of the support portions defines a pipe support surface for supporting the section of pipe. The support portions may be engagable together to retain the hanging element therebetween. The hanging element may be retained along and between grooves extending at least partially along at least one portion of the support portions. At least one end or portion of the hanging element is securable to the overhead structure to hang the support portion or portions and the section of pipe from the overhead structure.

Abstract: A support 10 for a flexible trash bag 16 comprises a housing 12 having an open end 11, substantially planar first side 18 and second and third sides 20, 24. A pair of brackets 50, 94 on circumferentially opposing sides of the housing each have a cavity 51, 96 therein. A leg assembly for supporting the housing with the open end of the housing facing generally upward and the bag supported on the housing including at least one leg 52 selectively positionable within the receiving cavity in each of the pair of brackets 50, 94.

Abstract: A transportable intravenous stand for carrying medical fluids, such as blood plasma or saline solutions, so as to allow the fluids to be gravity fed into a patient. This invention comprises a base, a collapsible support member, and a hanger member to allow for hanging fluid-dispensing containers. The base being collapsible and support member telescoping so as to provide for a compact, easily transportable stand for use in the field when providing medical treatment to a patient.

Abstract: A steam stripper (14) is provided with a support comprising a pole (16) comprised of connected sections (17, 18) and (19). The upper sections 17 and (18) are connected by a resilient spring apparatus (23), and the support is connected to a handle (20) of the stripper by a T-shaped rest (22), having a strap (21) for securing the handle to the rest. In one embodiment the support comprises an attachment (42) for a paint roller extension pole (51).

Abstract: A ball head assembly has a holding base, a clamping collar, a ball, a holder and an anti-escape mechanism. The anti-escape mechanism is mounted on the holding base, is connected to the ball and has a supporting rod, a supporting block, a dragging member and a nut. The supporting rod extends through the bottom of the holding base and has a spherical end rotatably connected to the ball and a threaded end. The supporting block is mounted around the supporting rod and rotatably mates with the bottom of the holding base. The dragging member is mounted around the supporting rod and has a first end abutting against the supporting block and a second end. The nut is screwed onto the threaded end of the supporting rod and abuts against the second end of the dragging member.

Abstract: In one embodiment, a mounting bracket for mounting a horizontal support member between vertical support columns of an equipment rack. The mounting bracket comprises a base member and a latch. The base member comprises integrated side and end plates, with the side plate being securable to the horizontal support member and the end plate constructed to vertically support the mounting bracket thereon. The latch detachably adjoins the mounting bracket to the vertical support column, and is constructed to be hand-operated to detach the mounting bracket from the vertical support column in response to a tool-less manual manipulation of the latch.

Abstract: A pivotable suspension element includes a support member having a part-spherical bearing surface clamp element and a body portion, the body portion having an integral formation of a slot to receive a part of a component to which the pivotable suspension element may be secured; a locator formation for the clamp element whereby, in use, the clamp element may be operated to clamp a flange in the slot; a part-spherical seat, and a through-passage extending through the body from the part-spherical seat, wherein the curvature of the part-spherical seat of the body portion corresponds substantially with that of the bearing surface of the support member and wherein the cross-sectional size of the through-passage increases in a direction away from the part-spherical seat.

Abstract: A mounting fitting (3, 5) is made of a metallic plate material, wherein a first mounting panel (7, 14) to be mounted on a casing (1) is defined on one surface, and a second mounting panel (8, 16) to be mounted on an inner panel (2) is defined on the opposite surface. A reinforcing edge (12, 18) is formed by bending at a peripheral edge portion of the mounting fitting (3, 5) such that an edge end thereof faces in the same direction. The reinforcing edge (12, 18) is continuous along the longitudinal direction thereof without any cut.

Abstract: Supporting device (10) for a lighting appliance comprising a frame (11) in turn comprising a tubular portion (12) which can be at least partially inserted in a housing or opening (17) of a false ceiling or wall (18). According to the invention, the device (10) comprises supporting means (20) comprising at least two levers (30) associated with the frame (11) and capable of passing, by rotation, by means of two corresponding unidirectional couplings (34, 52) from a disengagement operating position, in which they do not protrude from said tubular portion (12), to an engagement operating position in which they protrude from said frame (11) becoming coupled with said wall (18) to support the device (10).

Abstract: A carrying case for an electronic device, such as a tablet personal computer, is provided, and more specifically a case that allows a user to selectively position a display screen of the tablet personal computer by rotation coupled with angular support. The case is easily adapted for use with many types and models of personal electronic devices and may be utilized to view the display screen in a plurality of orientations.

Abstract: The present invention provides a holder for supporting a two optic accommodating intraocular lens device. The holder is capable of holding the device while taking measurements or performing manufacturing process steps on the device and/or packaging the device. In a preferred embodiment, the holder supports the device along the haptics thereof such that the optics remain untouched and unobstructed by the holder. As such, testing and/or processing of the optics during their accommodative and unaccomodative positions may be taken, and the device may be safely packaged and shipped with the holder.

Abstract: A gate valve apparatus includes a valve body to open and close a target object transfer port in a vacuum processing system. The valve body is reciprocated in a first direction relative to the transfer port. A support rod is connected to the valve body and extends in the first direction. A driving mechanism is configured to drive the valve body through the support rod. The driving mechanism includes a movable shaft structure reciprocated in a second direction perpendicular to the first direction. A first cam structure coupling the movable shaft structure to the support rod includes a portion that converts reciprocation movement of the movable shaft structure in the second direction into reciprocation movement of the support rod in the first direction. A swing drive is configured to swing the support rod and valve body about the central axis of the movable shaft structure.

Abstract: A fastener includes a frame, a handle and a reel inserted through the frame and handle so that a strap can be reeled when the reel is rotated. Two protective units are formed on the frame or the handle for protecting the reel from the handle or the frame. Two ratchet wheels are connected to the reel. A first detent is movable on the frame for engagement with the ratchet wheels. A second detent is movable on the handle for engagement with the ratchet wheels.

Abstract: A flow distribution device (100) has a vane distributor (111) at least partially disposed within a cartridge (102) and is operationally coupled to a second distributing device (112) that receives output from the vane distributor (111) Especially preferred flow distribution devices (100) are disposed within a vessel containing a contact bed, and may include at least a second vane distributor (112) within the cartridge (102), wherein the vane distributors (111, 112) are preferably swirl-inducing vane distributors (111, 112).

Abstract: There is provided a liquid-to-gas contact device comprising: a liquid-to-gas contact medium which is a honeycomb structural body formed of a porous material including a plurality of through channels defined by a plurality of partition walls and extending through the structural body in an axial direction, and including a plurality of flow passages extending through the honeycomb structural body from an outer peripheral surface side and formed isolatedly from the through channels; and a container which includes a gas inlet, a gas outlet, a liquid supply port, a storage tank for liquid, and, if desired, a liquid discharge port and in which the liquid-to-gas contact medium is to be stored. A capillarity phenomenon function possessed by the liquid-to-gas contact medium is used to provide the device which has a superior thermal efficiency and which can be constituted to be simple and compact.

Abstract: The present invention relates to a damping apparatus for moving furniture parts, for example doors, flaps or drawers. Such a damping apparatus of a compact construction which avoids a possible springing back movement of the furniture parts is provided in accordance with the invention in that the damping apparatus has at least two damping stages each having a cylinder having a piston longitudinally displaceable therein which exert a damping action of different strengths.

Abstract: A suspension system for a vehicle having a vehicle body and a plurality of wheels movable relative to the vehicle body. A hydraulic damper, which includes a piston rod and a cylinder, is disposed between the vehicle body and wheels. A striker plate is mounted to the cylinder and is displaceable with the cylinder relative to a support on the vehicle body. A jounce assembly is mounted to the support about the piston rod and extends outwardly toward the striker plate. The jounce assembly includes a jounce bumper and a cap. The cap is mounted to the jounce bumper with the cap having a flange extending to a distal edge for defining a cavity. The distal edge of the flange deflects into the cavity when the cap engages the striker plate during a predetermined displacement of the striker plate relative to the support.

Abstract: A gatherer stitcher having a gatherer chain configuration includes roof segments forming a ridge region and drivers having respective stop surfaces and being mounted so as to be adjustable between an operating position and a position pivotable away therefrom. An auxiliary driver is restricted to the ridge region and carried by a respective roof segment directly adjacent the stop surfaces. The auxiliary driver, in the operating position of the adjustable driver, forms a combined stop surface together with the adjustable driver.