DE2549191A1 - MICROFILE RECORDER - Google Patents

Description

The invention relates to a microfilming device for producing a photographic reproduction of documents passed through the device with a mechanical document inlet device, a document running device and one between the document inlet device and the document discharge device Image scanning zone in which each document is scanned and photographed, and with an improved document transport system, by means of which each document of a predetermined focal plane within the image scanning zone

609822/0047

TELEPHONE (089) 22 38 82

TELEX OS-29 38O

TELEARAM MONAPTH

254U191

is fed. The device is advantageous for taking photographs of bank checks or the like transported by the device. usable.

Microfilm recording devices are known per se and are used advantageously when handling documents, by being used in banks, for example, for photographing bank checks, bills of exchange and the like, so that a Recording of every document is available and accessible if this should be necessary. A fundamental one Type of a rotation pick-up device of the aforementioned type has a mechanical document inlet device, which are located on one side of an image sensing zone is into which the documents are introduced, as well as a mechanical document discharge device that operates on is arranged on the other side of the image scanning zone and with which the documents are ejected from the apparatus and stacked after they are in the image sensing zone are photographed by means of a photographic camera and a suitable mirror system, the mirror system enables the camera to make a photographic reproduction of both sides of the document at the same time can perform. In order to run the apparatus relatively quickly, each document must pass through the image scanning zone traverse in a certain orientation so that jamming is prevented and it is ensured that the document is placed within the focal plane of the camera for a good result.

So far there have been two basic types of transport system suggested. In a transport system, there are transport roller pairs arranged at a distance from one another, so that the

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gap formed between them allows unobstructed viewing of what is within the image sensing zone Document enabled, but the document is not supported in the image scanning zone. With a second System, a pair of glass plates is arranged between the transport rollers, so that a channel is formed in which each document is passed through the image scanning zone. However, both systems have the disadvantage that the documents do not perform controlled movement along an appropriate focal plane. With the first system lacks adequate support for the documents as they move through the image sensing zone while In the second system, the glass plates must be sufficiently spaced from one another, so that they are thick or multi-sided Documents can be moved through the channel, which has the disadvantage that the guidance of comparatively thin documents in an optimal focal plane is not guaranteed. The arrangement with the open gap and the arrangement with the double glass plate both have disadvantages with regard to the controlled passage of the documents through the image scanning zone by clamping documents in the arrangement with the open gap according to the first system and ejected through the gap and by in the second system by the superposition of thick or versatile documents jamming and wedging of the documents in the relatively narrow gap between the two Glass plates takes place. Another disadvantage of the double glazing system is that there are no facilities are provided, which allow easy cleaning of the glass surfaces if there is dust or other disturbing Particles have accumulated and the glass panels need to be cleaned.

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A new and improved microfilming device of the aforementioned type is disclosed by the patent application P (Serial No. USA 524-308) suggested in which a transport system is described in which within the image scanning zone a single Glass plate is located with a vertical contact surface against which the documents are brought to bear as they move through the image sensing zone so that the documents are optimally controlled along the focal plane and no danger the jamming of the documents is given. In development the new device has shown that the contact surface carrying the documents is precisely aligned have to be. The invention is therefore directed to creating a microfilming device of the aforementioned type, which is equipped with an improved storage device for the glass plate supporting the documents, see above that it is ensured that the glass plate surface carrying the documents is always in a predetermined focal plane of the Device is arranged when the device is in Operation is located while at the same time a simple removal and reinsertion of the documents carrying Glass plate should be made possible for the purpose of cleaning and replacement.

The invention is further directed to providing rotary microfilm to create a receiving device, which is particularly suitable for receiving documents such as bank checks, Change or the like to a microfilm is suitable and the a storage facility for storing a single glass plate document support has, which makes it possible that the glass plate and the associated supporting parts or

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Bearing parts by hand for cleaning or replacement the glass plate can be removed from the device and then in a suitable operating position can be reinserted into the device, it should be ensured that the glass plate is inside the image scanning zone is exactly the same position again occupies and where care should be taken that the glass plate is releasably held in its operating position and on a shift is prevented.

The microfilm recording device according to the invention of the aforementioned Art is characterized in that a storage device is provided for a glass plate, which in located in the image scanning zone of the microfilming device and the photographing of documents in particular, such as bank checks and the like, enables a transport system is provided with infeed and outfeed transport roller pairs arranged at a distance from one another, as well as a lighting device, a mirror device and a camera for photographing the documents on one Microfilm while the documents pass through the image scanning zone formed by the slot between the pairs of transport rollers be transported that the glass plate is arranged within this image scanning zone and the documents with a surface, so that it is ensured that each document within the image scanning zone along a Focal plane of the camera is transported, so that sharp images are achieved, and that the storage device in Form of a bearing block or a guide plate is formed, which on one side or one end of the image sensing zone is arranged and has a guide in which the glass plate can be moved along, and a slot arrangement and a locking spring that is connected to one of the

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Glass plate attacking bearing journals cooperate in such a way, that the plate can be rotated and fixed in a suitable position within the device - while at the same time a quick removal and a quick exchange of the glass plate by hand is made possible.

The invention is therefore in an advantageous manner Proposed storage device for a glass plate supporting the documents, by means of which it is made possible that the glass plate is removably stored in the microfilm receiving device, the device in particular suitable for the simultaneous recording of both sides of a bank check or similar document on a microfilm and has a document transport system which enables the transport of documents through an image scanning zone in which the successive documents be placed on the supporting surface of a glass plate, with the supporting surface of the glass plate inside a focal plane of the photographic camera is -and wherein the glass plate in the operating state of the device is supported at one end on a guide plate, which is equipped with guide grooves in which the glass plate support • runs, as well as with recesses, which with a protruding Part of the glass plate support cooperate to install or remove the glass plate in or out of the device to enable the device to be held in a position suitable for the glass plate when it is inserted, and "finally after insertion in the device in a suitable for supporting the documents Position is locked so that it is prevented from rotating and axial displacement.

The microfilm recording device of the present invention has a Document scanning zone with a document supporting one

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Glass plate device which can be removed from the device and can be used again in the device, as well as a storage device for the glass plate device / which allows for quick removal and reinsertion of the glass plate assembly from the side of the device forth and which has a recessed bearing plate which interacts with parts of the glass plate direction in such a way that that the glass plate device during the insertion and the rotation in the region of the end of the insertion movement is supported and the surface of the glass plate assumes a position suitable for the attachment of the documents, a safety switch being switched by a further insertion movement in the axial direction of the glass plate and the glass plate device is secured by a spring arranged on the bearing plate by is prevented from moving back or rotating during operation of the device.

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Further features, details and advantages of the invention emerge from the following description of an exemplary embodiment based on the drawing. Show in it:

1 shows a partial side view of a highly schematic Embodiment of the microfilm recording device according to the invention, which has an image scanning zone in which a single glass plate is used as a shelf is provided for the documents, wherein the glass plate is mounted in the manner according to the invention;

2 shows a sectional view along the line 2-2 according to FIG. with parts broken away and the storage of the glass plate device used to store the documents is shown;

3 shows a sectional view along the line 3-3 according to FIG. with parts broken away;

FIG. 4 is a partial view of the object shown in FIG along the line 4-4, but with the glass plate assembly partially inserted or partially inserted is taken out;

5 shows an end view along an enlarged scale the line 5-5 of Figure 2, the extreme end of the bearing block for the glass plate device can be seen;

6 shows a sectional view on an enlarged scale along the line 6-6 of Figure 2 and

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7 is a plan view shown on an enlarged scale onto the bearing block of the glass plate device with parts broken away.

In Figure 1, a part of a is in a schematic manner Microfilm recording device shown, which serves a single glass plate device for storing a document which is located in the image scanning zone and is the subject of the invention. The details this device can be found in patent application P (US application Serial No. 524-308)

and U.S. Patent 3,342,100.

The illustrated microfilm receiving device has a document transport device with a mechanical inlet device 10 and a document discharge device 12, wherein between these two devices 10 and 12 there is a gap which forms an image scanning zone 14 forms in which a glass platen document support 16 is provided with a single glass platen 18, wherein the glass plate in the operating position of the glass plate document support is in a vertical plane and bridges the gap or the image sensing zone 14 and with her vertical contact surface 20 supports the documents and leads in a certain focal plane of the device when the Documents are transported across the image scanning zone 14.

The mechanical inlet device 10 has a pair of cooperating ones Transport rollers 22 and 23, which are on the entrance side of the image scanning zone 14 at the lower edge of the glass plate 18 are stored, as well as an endless belt 24, which on

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a plurality of drive rollers 25, 26 and 27 and a guide plate 28 is stored. The endless belt 24 runs around the drive rollers 25, 26 and one transport roller 23, and the drive rollers rotate in the direction of the arrows drawn. The guide plate 28 has on its Inlet end a flange 30 which has a relatively wide inlet opening for inserting a document D between the guide plate 28 and the endless belt 24 forms. The guide plate 28 has a curve and feeds a document D from a substantially horizontal position a substantially vertical position which the document reaches in the area of the transport rollers 22 and 23. The leadership role 27 engages in a recess 32 of the guide plate 28 and cooperates with the endless belt 24 to advance the document lying on the belt.

The document delivery device 12 has a pair of cooperating ones Transport rollers 34 and 35, which are located at the exit of the image scanning zone 14 at the upper edge of the glass plate 18 are arranged, as well as several drive rollers 36, 37, 38 and 40, an endless belt 42, a guide plate 43, a guide arm 44 and a stacking container 45. The endless Belt 42 runs around a transport roller 35 and the. Drive rollers 36 and 37 around, and the rollers run in the direction indicated by the arrows, so that they take a document from the express scan zone 14 to the stacking bin 45 transport. The guide plate 43 is curved as shown and interacts with the endless belt 42 together in such a way that a guide channel is formed through which each one extends between the transport rollers 34 and 35 and the cooperating ejection rollers 37 and 38

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Document located is directed to the stacking tray 45. The guide plate 43 and the guide arm 44 have im Inlet area flanges 47 and 48, which provide an enlarged opening for the documents to be ejected from the device form.

The glass platen document support 16 is within the image sensing zone 14 between the mechanical document feeder 10 and the document discharge device 12 arranged and forms both a support and a guide for the documents, while these at the same time be photographed from both sides. As is known per se, one is in the image scanning zone introduced document illuminated by lamps 50 and 52 and photographed from both sides by a camera using several mirrors, so that on a microfilm of both sides of each document transported through the apparatus a reproduction is made. The arrangement of the lamps, the camera and the associated mirrors in the The drawing is not shown in US Pat. No. 3,342.

The glass plate 18 is arranged in such a way that the elongated main contact surface 20 which supports the document is essentially lies within the predetermined focal plane of the device, with a transverse axis 53 of this main contact surface 20 extends forward. The glass plate has a small surface section 54 in the area of the transport rollers 22 and 23 runs along the lower edge of the glass plate and adjoins the main surface 20 at an angle, one leg of which shows the transport roller 23.

The transport rollers 22 and 23 convey a document into the

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Image sensing zone 14. The transport roller 22 is on a pivotable arm 55 and is supported by a spring

56 drawn in the direction of the transport roller 23, wherein it through an opening provided in the guide plate 28

57 rests against the endless belt 24, reaching therethrough. the Transport rollers 22 and 23 are mounted in such a way that the nip they form for receiving each document lies in front of the main glass plate surface 20 in a plane 58 which is formed by the two shafts of the transport rollers passes through and the transverse axis 53 intersects at point A. This ensures that the front edge each through the Rolls 22 and 23 transported document against the elongated main surface 20 of the glass plate 18 is guided. A Fan 60 creates a flow of air 62 which is directed towards the main surface 20 of the glass plate 18 and each Presses document flat against surface 20 as it is being photographed by the photographic camera. The smaller one Surface section 54 of the glass plate 18 ensures that the leading edge of each document is appropriately positioned on the major surface 20 of the glass plate.

The transport rollers 34 and 35 are mounted in such a way that they together form a nip for receiving each document, which leaves the image scanning zone 14, the nip in front of the main surface 20 of the glass plate 18 in a Plane 63 lies, which passes through the shafts of the transport rollers 34 and 35 and with the transverse axis 53 at one Point B intersects, causing the trailing end of each document against the major surface 20 of the glass platen is depressed when it leaves the image sensing zone. the The transport device described above ensures that the passage of documents through the transport zone is suitably controlled, with the documents against the supporting bearing surface

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20, which is formed by the suitable single glass plate 18.

From FIGS. 2 to 6 it can be seen that the glass plate end Document support 16 is constructed and arranged such that the device 16 in the device can be quickly inserted and removed from this v / ground and after the glass plate 18 in a suitable manner is aligned in the image sensing zone 14 in which Correct position can be locked to see the documents within a focal plane of the -photograph! camera to support and guide. The glass sheet document support 16 has a relatively long, narrow, rectangular glass plate or a glass strip 18, which is attached to a elongated cylindrical rod 70 and a bearing pin 72 is attached, the cylindrical rod 70 a Forms handle arranged at one end, while the bearing pin is arranged at the other end. The glass plate 18 is dimensioned in its length such that it the. Image scanning zone 14 overlaps in width. The handle 70 and the bearing pin 72 are attached to the ends of the glass plate 18, the ends of the glass plate in diametrical slots of the ends of the cylindrical handle and the cylindrical bearing pin are used. The handle 70 and the bearing pin 72 are mounted in such a way that they are on an axis aligned with the glass plate 18 lie, which is denoted in Figure 4 by the reference symbol a-a and .which lies in a plane which is to long lower edge of the plate is offset parallel to one another by a small distance, with the long lower edge being the smaller Surface section 54 is limited and below the central one, denoted by the reference symbol b-b in FIG

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The longitudinal axis of the glass pane 18 lies. The handle and the bearing pin each have a cross-sectional diameter which is greater than the thickness of the glass plate, and the ends of the glass plate 18 are in diametrical slots added so that a part of the handle and the bearing pin on each side of the plate surface outside of the plate surface planes extend outwards.

As can be seen from FIGS. 2 and 3, has the bearing pin 72 has a free end 72 'with a reduced cross-section, which in the inserted state of the Glass platen document support 16 in operation of the apparatus is received in a horizontal bore 73 of a bearing block or carrier 74 on the inner wall side of the device is arranged and against a switch element 75 of a safety switch 76 is present, v / which can be connected to an electrical circuit, so that the device only then is functional when the glass platen document support 16 is inserted into the apparatus and a occupies a suitable operating position.

The handle extends at the other end of the glass plate 18 70 through an opening 77 in the side wall 78 and is supported by a bearing block or plate 80, which is constructed to act as a guide for appropriate alignment of the glass platen document support 16 is used, wherein it also has a locking device with which the device 16 in the corresponding Operating position can be releasably locked for a suitable functioning of the device. Of the Handle 70 has a knurled end 82 so that it can be accessed during insertion and removal of the device

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16 can be better grasped. The handle 70 has a pin 83 which is inserted in a diametrical transverse bore 84 is attached and has a conical head portion 85 which protrudes over the handle and on one side of the handle forms a lock, while the end 86 on the diametrically opposite side of the handle protrudes. The axis of the bore 84 and the axis of the pin 83 lie in the plane of the glass plate 18, and the pin cooperates with parts of the guide and bearing block 80 such that a guide, a display and a Lock is formed, whereby the device 16 is inserted in the correct position and removed from the device can be while locked in a suitable position within the device in the inserted state will.

The bearing block 80 of the glass platen document support 16 serving as a carrier or guide is suitable attached to a side wall 78 of the device and is opposite the device by a sufficiently large Piece to the outside, so that a corresponding bearing surface is formed by the bearing block, which as • Guiding the device 16 is used when it is in the device is used, as can be seen from FIGS. The bearing block 80 has on its top 88 an upwardly open rectangular recess or groove 87, which extends transversely to the device in the longitudinal direction of the bearing block extends. The width and depth of the recess 87 is slightly larger than the width or thickness of the flat glass strip 18, so that the glass strip 18 is pushed freely into the recess 87 can, wherein the flat Änlageflache 20 shows down, how

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this is shown in Fig.3. One at the bottom of the recess 87 provided further recess 90 has a cross section in the form of a circular sector 92 (see Fig. 5 and 6), the curvature corresponding to the curvature of the cylindrical handle 70 and the depth of the curvature being selected to be sufficient is to receive a portion of the handle which is above the plane of the major surface 20 of the flat glass strip 18 protrudes. The longitudinal center line of the recess 90, which is denoted in FIG. 7 by the reference symbols d-d, is opposite offset from the longitudinal center line c-c of the recess 87 adapted to the glass plate, the distance being substantially the distance between the axis a-a (see Fig. 4) of the handle 70 and the longitudinal center line b-b of the glass plate • 18 so that the rotation position of the platen document support 16 is set in a position in which the insertion of the device 16 in the groove or Recess 87 is made possible. This means that the device is only inserted into the guide groove or recess 87 can be when the surface 20 of the glass plate 18 faces down and the glass plate in this position correct rotation position for a subsequent rotation into the suitable operating position of the glass plate. 18 has. As This can be seen from FIGS. 5 to 7, the wall 93, which delimits one side of the recess 87, is at the entrance end of the bearing block 80 cut away or has a slot so that an elongated guide groove 94 is formed in which the protruding end 86 of the guide pin 83 can be received so that the plate device 16 in the direction of insertion in the region of the end of the insertion movement into the device a further insertion movement can perform. The slot 94 extends a relatively short distance into the bearing block 80 and terminates at one

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Transverse wall 95, which is arranged in a vertical plane. A transverse slot 96 reaches below the transverse wall 95 and is sized such that the pin end 86 can be moved through the transverse slot when the handle 70 is within the recess 90 is rotated about its longitudinal axis with respect to FIGS. 5 and 6 clockwise. In Fig.4 is with solid lines and in Fig. 6 with dashed lines shown that the glass plate document support 16 is initially inserted into the guide groove or recess 87 in this way is that the contact surface 20 of the glass plate 18 points downwards, the pin end 86 opposite the horizontal Slot'94 is oriented so that it can be inserted into the slot. The vertical transverse slot 96 reaches down to the underside of the bearing block 80 and laterally up to a vertical wall part 97, which is arranged such that the pin end 86 in an axially extending, perpendicular guide and display or Locking slot 98 (see FIG. 7) can be introduced, v / which extends only a short distance in the axial direction and allows the device 16 to be axially moved into its final position in which the glass plate assumes a suitable vertical position so that the contact surface 20 supports the documents in the focal plane of the camera. On the upper side 88 of the bearing block 80 is a narrow spring plate 100 at one end by means of a screw 102 or any other fastener attached and engages across the recess 87. The spring plate 100 has one upwardly curved part 103, the curvature of which is adapted to the curvature of the handle 70, and in the spring plate is.t a small recess 104 is arranged, which are dimensioned in this way is that the head 85 of the pin 83 can engage in the recess when the device 16 in the device

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is fully inserted and the pin end 86 engages the axial slot 98. The spring plate 100 acts with the Guide slot 98 together such that the device 16 is prevented from rotating, and locks the device after complete insertion further in the axial direction, this locking being releasable. The spring plate 100 also cooperates with the recesses 87 and 90 by providing a guideway for the glass platen document support to be inserted 16 forms because it overlaps the top of the recess 87.

The functioning of the assembly devices is based on the above description and the device shown understandable. The glass platen document support is deployed by inserting the pin end into recess 90 is inserted with the contact surface 20 of the glass plate facing downwards, and is then axially into the device moved in until the end 86 of the guide pin 83 against the wall 95 comes to rest. Then the device is rotated 90 ° so that the pin end 86 opposite the small Guide slot 98 is aligned and can be moved axially into the end position in which the glass plate in a suitable perpendicular plane within the image sensing zone 14, the free end 72 ' of the journal 72 engages in the bore 73 and actuates the safety switch 76, so that the device assumes their operating state.

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Claims (13)

Claims Microfilming device for making a photographic reproduction of by the device ■ directed documents with a mechanical document inlet device, a document outlet device and one between the document inlet device and the document discharge device Image scanning zone in which each document is scanned and photographed, and with an improved one Document transport system by means of which each document is fed to a predetermined focal plane within the image scanning zone, thereby characterized in that a glass plate (18) is provided in the image scanning zone (14), which has an elongated main surface (20) which lies essentially in the predetermined focal plane, and a transverse axis (53) extending forwardly from the elongated main surface, and that one between the Glass plate and the document inlet device (10) arranged first pair of transport rollers (22, 23) is provided, which rotates about first axes of rotation to convey a document (D) from the document inlet device into the image scanning zone, the transport rollers form a first nip for receiving each document, which is in front of the main surface of the glass plate and lies in a plane (58) passing through the axes of rotation of the transport rollers and coinciding with the transverse axis 609822/0647 converges so that each document conveyed through the first nip of the transport rollers to the and directed against the elongated major surface of the glass plate as it passes through the image sensing zone is transported to ensure that each document is substantially in the image scanning zone located in the predetermined focal plane. 2. Apparatus according to claim 1, characterized in that the glass plate (18) has a has smaller surface section (54), which is located on the side of the transport rollers (22, 23) the main surface (20) adjoins at an angle, so that the guide of each document (D) against the Main area is favored. 3. Apparatus according to claim 1 or 2, characterized in that in front of the nip a fan (60) is arranged, which is directed onto the main surface (20) of the glass plate (18) Air flow (62) is generated which acts on each document (D) conveyed through the image scanning zone (14) and presses against the main surface. 4. Device according to one of claims 1 to 3, characterized in that between the glass plate (18) and the document exit of the device a second pair of transport rollers (34, 35) is provided, which rotates about second axes of rotation, around a document (D) from the image scanning zone (14) to the document exit to convey the device, wherein the second transport rollers have a second roller gap for receiving 609822/0647 each document form, which is located in front of the main surface (20) of the glass plate and in a plane passing through the second axes of rotation of the transport rollers plane (63) _r which converges with the transverse axis such that each conveyed by the first conveying rollers document and against the elongated main surface is directed and picked up by the second nip of the second transport rollers and continues to move towards and against the major surface of the glass plate as it is transported through the image sensing zone to ensure that each document in the image sensing zone is substantially in the predetermined focal plane. 5. Apparatus according to claim 1 or 4, characterized in that g e k e η η draws that the through the first axes of rotation of the first transport rollers (22, 23) laid the plane Transverse axis (53) at a smaller distance from the glass plate (18) intersects as the plane (63) laid by the second axes of rotation of the second transport rollers (34, 35). 6. Device according to one of claims 1 to 5, characterized in that a storage device for holding the glass plate (18) is provided, ■ the rapid removal and replacement of the glass plate and has a bearing block (80) attached to one side of the device, which has a horizontal Guide device (87, 90, 92) for receiving the glass plate holder (16) and supports it, while- ; rend the glass plate in its operating position within shifted or out of the image sensing zone * (14) Will get removed. 609822/0647 7. Apparatus according to claim 6, characterized in that the bearing device of the glass plate holder (16) has a support device (70, 72) which is located on an opposite direction from the guide direction is mounted at a distance aligned side of the device and one end of the Glass plate accommodates when the glass plate is inserted into the device, while an opposite one Part of the glass plate holder (70) is held by the guide device. 8. Apparatus according to claim 7, characterized in that the supporting device is one for Control of the device serving switch (76), which is actuated by the glass plate holder (72) is when the glass plate holder is used in the operating position of the device in the storage facility is, so that the device is only ready for use when the glass plate holder is in its Operating position is. 9. Device according to one of claims 6, 7 or 8, characterized in that the storage device (80) has a guide (87, 94, 96) which extends in the installation direction of the glass plate in the device extends and the glass plate holder (16) leads into the device and transversely to the device, and that the guide for receiving on the glass plate holder arranged guide parts (86) is used,. which requires inserting the glass plate holder into the Device and allow rotation into a predetermined position in which the main surface (20) of the glass 609822/0647 Plate (18) forms a suitable contact surface for a document (D) when the glass plate holder is in the Device is used. 10. Device according to one of claims 6, 7 or 8, characterized in that the bearing device a guide (87, 94, 96), which in size and shape to the size and shape of the glass plate holder (70, 72) is adapted so that the holder can only be inserted into the guide when it has a predetermined rotational position, so that a suitable arrangement of the flat main surface (20) of the Glass plate is ensured in a predetermined position within the image scanning zone (14). 11. Device according to one of claims 7 to 10, characterized in that the guide a Locking device (100, 102) on v / eist, which is in engagement with parts (83, 85) of the glass plate holder and releasably locks the glass plate holder, when it is fully inserted into the device. 12. Device according to one of claims 6, 7 or 8, characterized in that the glass plate document support (16) has an elongated, relatively narrow, flat glass plate (18), on one of which An elongated cylinder part engages at the end to form a handle (70), while at the other end a bearing pin (72) is fastened axially in alignment with the handle with a relatively small cross section, and that the Storage device comprises a plate-shaped bearing block (80) which is attached to one side of the device 609822/0647 and has an upwardly open guide groove (87) which runs transversely to the device and to
Mounting and sliding of the flat glass plates
and those parts of the handle and bearing pin which protrude in cross-section beyond the flat glass plate, so that the glass plate document support is guided transversely to the device in a certain position within the image scanning zone (14). 13. Device according to one of claims 6 to 12, characterized in that the bearing device (80) has a guide device (87, 94, 96, 98)
which allows sliding displacement and rotation of the glass sheet document support (16) so that the glass sheet document support is alignable with the flat glass surface (20) in the device within the image sensing zone (14) to support the documents when they are moved through the image sensing zone, and in that the bearing means includes resilient locking means (100) which engages part of the glass platen document support,
when it is fully inserted into the device. 609822/0647 Blank page