DE2933507A1 - FOLDABLE MICROFICHE READER - Google Patents

Description

MAP Ober Mörlen 16 Aug 1979

Foldable microfiche reader

The invention relates to a collapsible microfiche reader formed from a lower part and a cover, That is to say, the image is a rear deflecting mirror opposite a focusing screen is projected on the screen. Such a microfiche reader is described in DE-OS 27 37 25 * t.

Rear side of the lower part of the lid and on the \ / orüergeite of the lower part die.Mattscheibe hinged schuenkbar: In the prior art microfiche reader are to de. In the rear part of the cover, the rear deflecting mirror is arranged at an angle and held firmly. When opened, the lid connects the rear part of the Mikrafirhe reader with the edge of the screen. The rear deflecting mirror is vertical while the cover is folded in a plane of about U5 degrees to the lower part.

The required angle to the plane of the lid excluded ΖΏ taught fixed arrangement of the rear deviation mirror in ueckel presupposes that the lid has a sufficiently large height, and that protrude below the deflection mirror no components from the lower part, which when closing the lid the deflecting mirror are lying down. In order to meet the latter requirement, in the known microfiche reading device, the microfiche stage has been arranged inclined towards the rear of the device. As a result, however, it is not possible to use the Bn-

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MAP Ober Marien 16 Aug 1979

lighting unit to be provided so that one can see this after at the front, near the operator's side, what had to be relocated is basically undesirable because the uäremgenerating Lighting equipment as far away as possible from the The operating side and the microfiche stage are arranged should be. Also missing from the previously known microfiche reader due to the inclination of the microfiche stage to the rear, in the lower part, the space for the arrangement of the transformer, which is therefore behind in the cover the deflection mirror was provided.

The invention is based on the object of a collapsible Microfiche reader to develop which is as compact and light as possible, and with as much space as possible in the lower part for the optimal arrangement various components of the Mikrufiche reader, in particular the transformer, the lighting unit and a rechargeable battery is available.

This object is achieved according to the invention by the claim specified features solved.

The inventive advantage of a very compact Micro Γiche reader is primarily used by the Fact achieved that the rear deflecting mirror itself just as the screen lays in the plane of the lid when it is folded, so that it is extremely flat can be. The lower part of the microfiche reader according to the invention can be designed so that all electrical components, such as the transformer, or an accumulator can be conveniently placed in it and also the lighting unit

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MAP Ober-Mörlen 16 Aug 1979

Finds space in the rear part of the device. As a result, the lighting unit is as far as possible provided outside the operating area, so that there is no undesirable heating of the Operating side or overheating of the microfiehes can occur. There in the rear part If there is a lot of space in the device, the lighting unit can be cooled well even without a fan which is not the case with the arrangement in the narrow space near the operator's side in the previous device is possible. Due to the arrangement of the transformer and the accumulator at the rear in the lower part of the device if its center of gravity is very low in the collapsed state when standing on its back, like this that even then it has a high level of stability. For the üedienungs Comfort it is important that the invention Mik r.of i che reader only with ei only Harui can be opened and operated and thus see is ready for use quickly.

That according to the invention is designed in a particularly simple manner in terms of construction Microfiche reader if it's the in Claim 2 listed, advantageous features on-WBlSt.

The handling of the microfiche reader is bricked the favorable design characterized in claim 3 the invention is particularly convenient, since with her the lid initially attached to a hinge like a Lid opened and the ground glass dam; can be swiveled out of it, with sirb against 3D end of the lid opening automatically

130013/0259

όόΟΌ Ι

MAP Ober-Mörlen August 15, 1979

from the back of the lower part so that the rear deflecting mirror arrives in the operating position, knowing that this requires a special handle is.

The arrangement of a ground glass as characterized in claim k makes it easier to read the information on the ground glass by reducing the influence of extraneous light. Thanks to the construction according to the invention, in which the ground glass into the lid into

ID works, the sunshade can when folded of the device the front wall and the side walls to embrace the lower part of the microfiche reader, GG that the glare screen hardly takes up any additional space and the penetration of dirt and moisture

1b ability to prevent in the device.

Another advantageous embodiment of the invention is characterized in claim 5. By there claimed Ribs, on the one hand, the lid is reinforced, on the other hand, the ribs make it possible the device can be moved easily, for example when it is placed upside down on the lid for storage. This feature is important if it is to be slid into a compartment or shelf and on the underside of the device Feet made of rubber, for example, are provided, which make it difficult or impossible to move the device do. The latter is important for the operation of the device.

A particularly simple embodiment through which a unwanted opening of the device when carrying

1 30013/0259 ORIGINAL INSPECTED

MAP Ober-Mörlen If ₃ . Aug 1979

is prevented is characterized in claim 6.

Due to the advantageous embodiment defined in claim 7 of the invention are without undesired enlargement the size of the microfiche reader keep a sufficient number of microfiches in the device. When the device is folded, the front panel of the ground glass overlaps the front panels the microfiche magazines so that these against Falling out of the lower part too secure are.

The overall height of the magazines in the lower part is particularly low due to the recessed areas characterized in claim 8 Storage of the micrafiches in the micrafiche magazines. The removal of the microfi cn i? S only, ricn Mikrufiuht; magazines is particularly light, uieil the microfiche magazines outside of the microfiche reader on their front panels and the microfiches then stand vertically.

By characterized in claim 9, ADVANTAGES 1 hoof Iv 2 "j Zusammenkuppelbarkeit the Frnntplatten both Mikrn fiche magazines have Mikrafiehe magazines when standing on their front panels a high stability.

To prevent the microfiche from falling out of the microfiche magazines when pulling it jerkily out of the microfiche reader and to avoid scratching the microfiches by lining them up when transporting the device,

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MAP Ober-Mörlen '16 Aug 1979

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can these be stuck in the magazines, mie which is characterized in claim 10.

The advantageous embodiment of the invention defined in claim 11 is also favorable because it it is avoided that dirt and moisture with the cable can get inside the device. It should be noted that the portable microfiche reader according to the invention They are mainly used in customer service, so that the cable often has a dirty Floor must be guided.

By the inclination of the microfiche stage defined in claim 12 towards the front of the device there is sufficient space in the rear part below the Microfiche stage so that there the transformer and the lighting unit with the projection lamp and a spare lamp soujie a rechargeable battery can be accommodated for mains-independent operation of the device.

The invention can be implemented in numerous ways to. One of them is shown schematically in the drawing and is described below. Show it

FIG. 1 shows, very schematically, a section through the microfiche reader according to the invention in the unfolded, operational state,

FIG. 2 shows a view of the microfiche reading device according to FIG. 1 in a partially closed position State,

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MAP Ober-Mörlen 16 Aug 1979

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FIG. 3 shows a view of part of the cover of the microfiche reader van below seen,

FIG. K shows a perspective view of the upper part of the microfiche reading device in FIG

folded state,

Figure 5 a view of the uarderuand of the lower part the microfiche reader,

Figure 6 shows a cross section through a in the Varder-1Ü wall of the microfiche reader

sliding microfiche magazine,

Figure 7 zuiei coupled together, from the

Microfiche reader removed Microfiche magazines,

Figure 8 a view of the back of the sub

part of the microfiche reader,

FIG. 9 shows a section through the rear of the lower part of the microfiche reader according to the lines ix-ix entered in FIG

First, the micrograph reader fit according to the invention is described with reference to FIG. 1 with regard to its essential components. The erfindungsrjtjmäl.U-: microfiche reader has a lower part 1 in which a projection lamp 2, a condenser 3 and an objective U are arranged. A microfiche stage 5, which is arranged to rise slightly towards the rear of the microfiche reading device, can be moved by hand in two coordinate directions relative to the lens. As usual

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MAP Ober-Mörlen 16 Aug 1979

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is below the condenser and above the lens each a small mirror 6,7 arranged. These mirrors are used to deflect the projection lamp 2 combing light. The electrical components of the microfiche reader are not shown, such as Transformer, accumulator, switch and the like, üjelche best in the rear part of the lower part 1 can be arranged.

The lower part 1 has a rear side 8, near which a 1D deflecting mirror 9 with a relatively large surface area is fastened so as to be pivotable about a shtjenkache 10. As can be seen more clearly with the assistance of the figure 3, the deflection mirror 9 has been seen in Figure 1 at its upper side a second pivot axis 11, the two short stub axles 1 ¹ S can be formed. The pivot axis 11

engages under two parallel straight guides 12, Ii * one Cover 15 of the micro ic.he reader · The straight guides 12, 14 are designed such that the pivot axis 11 can be moved in them, and that a rotation 2D of the cover 15 around the deflection mirror 9 is made possible.

As shown in FIG. 3, each linear guide 12, 14 is one Deflection roller 16, 17 in the cover 15 is assigned. Furthermore, there is an elastic band near each of the straight guides 12, 14 18, 19 attached to the second Schuienkache 11. These Elastic bands are guided over the pulleys 16, 17 and with their other end above the pulleys 16, 17 facing away ends of the straight guides 12,14 attached to the cover. This is the second Schwenkache 11 in the

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MAP Ober-Mörlen £ 1. Aug 1979

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FIG. 1 preloaded into a left end position, in which the second pivot axis 11 rests against stops 20, 21.

To prevent the cover 15 from becoming normal its plane extending axis can pivot, and thereby the stub axles come out of the straight guides 12, 14, the pivot axis 11 can be a continuous, rotatable shaft be designed with two pinions that mesh in a rack in the area of the linear guides.

The execution with the elastic bands 18,19 should only be one Be an example. It is also conceivable to replace these with metal spring pulls in order to save the pulleys. It is only decisive that the pivot axis 11 is tensioned in the direction of the stops 20, 21.

The deflection mirror 9 is by a leg spring 22, which is arranged on the pivot axis 10 and with a free leg against the deflection mirror 9 and with her other free leg rests against the lower part 1, biased counterclockwise. in the

2D inside the lower part 1, a stop 2U is shown schematically in FIG. Advantageously, the rlieapv stop 2k is adjustable in order to enable precise adjustment of the rear deflecting mirror.

On the front of the microfiche reader is on Cover 15 a ground glass 25 with a glare screen 26

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MAP Ober-Märlen - 16 Aug 1979

hinged in such a way that the ground glass 25 can be folded into the cover 15. The glare screen 26 is dimensioned so that in the folded state of the microfiche reader, the Uorderwand and the side walls of the lower part 1 full encloses.

In the unfolded state, the ground glass 25 sits in Latching points 27 of the lower part 1.

For folding and unfolding the microfiche reader It is also important that on the rear side S a bar that is bent like a Schujanenhals in cross-section is provided, into which the cover 15 can be hooked with a corresponding bend 29.

Bellows are not puaitiuniert, which on usual 1S way of penetration when the microfiche reader is opened Preventing or reducing light from the side into the interior of the device could be seen in FIG is.

Useful for handling the microfiche reader 2G is that on the cover 15 of the device ribs 30, 31, 3r ' are arranged on which it can slide easily, so that the microfiche reader can easily be veined into a compartment Shelf is to slide.

To get the device ready for operation from the one shown in FIG To collapse function, it is necessary to first remove the cover 15 on its rear side and to hang it with its bend 29 in the strip 2B. Then the lid

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MAP Ober Marien * 16 Aug 1979

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Slightly raised at the front and the ground glass 25 in swiveled in the cover, as shown in FIG. Then the lid can be folded down, where it pivots around the bar 28 until it hits the Lower part 1 is attached.

The device is opened in the reverse direction, At a certain angular position, the rear part of the cover automatically moves away from the strip 2B solves and thereby the rear deflection mirror 9 automatically

1D swings out. To avoid any operating errors when unfolding and to prevent the device from folding up cannot be interlocks which have been explained but are familiar to the person skilled in the art be provided in the microfiche reader, by which it is ensured that the device parts are each in the correct order and in each case down to their correct End position must be swiveled.

FIG. K shows that carrying loops 35, 36 are attached both to the front side of the lower part 1 and to the worder side of the lid. One of the carrying straps

2D, for example, the carrying loop 35, leads through a longitudinal bore of a handle part 37. This handle part 37 has a slot 38 over its in the direction of extension whole length. The other carrying loop 36 can be inserted into this slot 38, so that when the device is worn the carrying loops 35,36 are connected to one another and thereby accidental opening of the microfiche reader is excluded.

The design can be seen in FIGS. 2, 5, 6 and 7 of two that can be inserted into the microfiche reader

130013/0259

ORIGINAL INSPECTED

MAP Ober-Mörlen "" " Aug 16, 1979

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Recognize microfiche magazines 40, 41. From the operating side of the micrafiche reader are in the front of the lower part 1, these two microfiche magazines 40, 41 are pushed in like a drawer (see FIG. 2). As FIG. 6 shows that each of the two magazines 40, 41 consists of a front plate 42 on which a Storage 43 is attached, in which the microfiches are lying can be saved. An upper LJand 44 can thereby be pivotable or slidable to clamp the microfiches 1D.

An essential feature of the microfiche magazines 40, 41 is, that between the memory and the front panel 42, a slot 45 is provided into which a portion of the front panel 42 of the other microfiche magazine is. This makes it possible to use the two microfiche magazines 4D, 41 after being pulled out of the lower part 1 of the Microfiche reader to couple together and to put on their front panels 42, 42 'so that the microfiches then see vertically (see Figure 7).

2G Figures 1, 8 and 3 show that in the rear wall B of the lower part 1 of the microfiche reader, a closure part 50 can be inserted into a housing opening. This closure part 5G has an inwardly directed indentation 51 with a winding body 52, onto which the electrical cable of the microfiche reader (not shown) can be wound, which is led to this Zuieck through the closure part 50 from the interior of the device to the outside.

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Claims (1)

MAP Ober-Mörlen 16 Aug 1979 Udo Schlagwein Patent attorney . () MIV • 3J0 Bad Noghtim 4 (Stilnfurth) Expectations (1.1 Formed from a lower part and a cover, collapsible microfiche reader where the image from a rear deflecting mirror opposite a focusing screen onto the screen is projected, characterized by the following features: a) The rear deflecting mirror (9) is pivotable about a first pivot axis (1Q) on the Back (8) of the lower part (1) attached. b) The deflection mirror (9) has a second one Schuienk axis (11) on which the cover (15) is mounted pivotably and displaceably parallel to the plane of the cover (15). c) In the lower part (1) resilient means (leg spring 22) are arranged which the deflection mirror (9) in a pivoting direction leading away from the ground glass (25) preload. 2CJ d) In the cover (15) resilient means '' elastic bands 18,19) are arranged, which the second pivot axis (11) of the deflection mirror (9) in one of the ground glass (25) Pre-tension in the direction that points the way. e) The cover (15) is on the side opposite the deflection mirror (9) The ground glass (25) of the microfiche reader is hinged into the lid (15) so that it can be folded away. 130013/0259 MAP Gber-Mörlen 16 Aug 1979 f) The ground glass (25) iat after it has been folded out can be inserted from the cover (15) into locking devices (27) of the lower part (1). 2. Micrafiche reader according to claim 1, characterized characterized in that two guide rails (12,14) are provided in the cover (15) in which the second pivot axis (11) of the deflection mirror (9) is guided so that each guide rail can be displaced in parallel (12,14) at its end on the deflecting mirror side 1G is assigned a pulley (16, 17) in the cover (15) is, and that each time an elastic band (18,19) from the second pivot axis (11) near the guide rails (12,14) via a pulley (16,17) to a point above that of the pulley (16, 17) opposite End of the guide rail (12,14) is guided. 3. Microfiche-LesegerMt according to claim 1 or one of the following, characterized in that the cover (15) with its rear side on the back (Θ) of the lower part (1) can be suspended in this way is that it can be folded onto the lower part (1) when it is hooked. 4. Microfiche reader according to claim 1 or one of the the following, characterized that the ground glass (25) is framed by a glare screen (26) which is dimensioned so large that it is in folded state of the microfiche reader the conveyor wall and the side end of the lower part (1) fully encloses. • · ■ 13 0013/0259 MAP Dber-Morlen 16 Aug 1979 - 3 - 5. Microfiche reader according to claim 1 or one of following, characterized in that the cover (15) has several ribs (30, 31,32) has. 6. Microfiche reader according to claim 1 or one of following, characterized in that on the front of the lower part (1) and the Cover (15) each has a carrying loop (35,36) attached opposite one another, uiobei a carrying 1D loop (35) is guided through a handle part (37) which has a handle extending in the main direction of extent Has slot (38) into which the other carrying loop (36) can be inserted. 7. Microfiche reader according to claim 1 or one of the the following, dadu, rch marked, that in the front of the micrafiche reader two micrafiche magazines designed as drawers (40,41) are used. B. microfiche reader according to claim 1 or one of following, characterized, caß the microfiche magazines (40,41) to the lying Storage of the MikrDfiches are designed in the microfiche reader, and a front panel (42,42 *) cut, on which they can be set up outside of the microfiche reader. 9. microfiche reader according to claim 1 or one of the following, characterized in that the frant plates (k2, h2 ' ) of both microfiche magazines (41,40) outside of the microfiche reading device 130013/0259 MAP Über-Mörlen 16 Aug 1979 -U- councils can be coupled together. 1G. Microfiche reading device according to claim 1 or one of the following, characterized in that the microfiche magazines (ί »0, ί» 1) a Device for clamping the stored microfiches to have. 11. Microfiche reader according to claim 1 or one riEr following, thereby marked hn p. t, that a closure part (50) is inserted into a housing opening on the back side (ü) of the lower part (1), which has an indentation (51) on the outside in which a winding body (52) for winding up the electrical shell of the microfiche Reader is provided. 12. Microfiche reader according to claim 1 or one of the following, characterized gekennzeic hn et that the microfiche stage (5) to the rear (B) of the microfiche reader is aligned with rising. 13 0013/0259