DE1797525B1 - Feeding device for tape-shaped copying material - Google Patents

Description

direction on the supply roll and straighten the copy material, before it gets between the conveyor rollers 19, 20. Located in the feed path of the copy material 22 an electrically operated knife shaft 37. The counter knife is part of a carrier 35 formed. The original 29 comes together with the copy material 22 in front of the feed rollers 7, 8.

When using the device, the supply roll is first placed in the roll container 14, which is opened by pivoting around the joint 15. Then the copy material 22 is placed under the Rail 32 passed. As shown in FIG. 3, the joint 15 is eccentric with respect to FIG the center of gravity of the roll container so that the roll container tries to open if it has only one Contains empty bobbin. However, when a full supply roll is placed in the container and closed the container is closed by the weight of the supply roll and / or the tension of the paper held.

The leading edge of the copy material 22 is then fed between the feed rollers 19, 20 by the roller 19 is rotated by hand until the copy material is approximately 5 to 7 cm between the rollers and protrudes between the guide plate 34 and the carrier 35. Then the magnetic coupling 25 switched on due to the introduction of a template 29 into the channel formed by the guide plates 10, 11, the copying material 22 is entered into the copying machine, not in detail in the present case the knife shaft 37 is actuated in an explanatory manner

ίο is and causes a portion of the copy material 22 is separated, the length of which corresponds to that of the template 29.

As the copy material is used up, the weight of the supply roll decreases. if

t5 the supply roll is almost used up, that's enough The weight of the supply roll is no longer sufficient to keep the roll container 14 in the closed position. The roll container 14 tilts, possibly with additional spring action, into the position shown in FIG Fig. 3. The automatic opening of the supply container indicates that the copy material is about to End goes and a new supply roll must be inserted.

1 sheet of drawings

copy

Claims (1)

1 2 take-up spool in a roll for the purpose of Claim: take the empty bobbin and insert a new one Supply roll pivoted roll container Feed device for tape-shaped copier is housed, the pivot axis opposite material in connection with or as an addition to im 5 of the spool axis is offset in such a way that the roll-essential automatically working copier container after introducing a full supply roll devices, consisting of a supply roll for swiveling into the closed position and automatically in photosensitive material, a guide rail tilts an open position when the supply roll to smooth the unwound from the supply roll is almost used up. The automatic opening of the ten materials, and consisting of conveyor rollers io eccentrically mounted roller container makes the and guide members with which the light- user is promptly aware that the Sensitive material moved to the copier station. Supply roll needs to be replaced. The waste, and consisting of a device to exchange itself can because of the pivot bearing of the continuous operation timely made the end of the roll container particularly convenient tape-shaped copying material to be recognized there- 15. The device according to the invention can characterized in that the readily available as an additional device Copy material supply roll receiving spool copier to be attached; but she can with (16) in one for the purpose of removing the empty copier also directly assembled Be spool and insert a new supply roll. pivotally mounted roll container (14) under 20 The invention is brought to hand one, the pivot axis (15) compared to the embodiment in connection with the drawing of the reel axis (13) is offset in such a way that the voltage is explained in more detail. It shows
Roll container after bringing in a full F i g. 1 is a perspective view of the device The supply roll swivels into the closed position and the device according to the invention in the form of an additional device automatically tilts into an open position when the 25 for a diazo copier,
The supply roll is almost exhausted. F i g. 2 schematically shows a section of the device afterFig. 1, and F i g. 3 shows a partial section of the roll container in FIG tilted position. The invention relates to a supply device for 30. The present device is suitable for band-like copying material in connection with divider-like copying and tracing devices. In the following, or as an addition to essentially automatic work, it is explained in connection with a conventional copier, consisting of a storage diazo copier. Only the role for the photosensitive material, an inlet part of the machine for the template and the steering mechanism for smoothing the copy material from the supply roll 35 is shown. The subsequent unwound material, and consisting of conveying, copying and developing stations, can be rolled in and guide members with which this can be designed in a conventional manner,
sensitive material is moved to the copier station, the illustrated part of the copier machine and consisting of a device to continuously- comprises the housing 6 and the feed rollers 7, 8, The end of the belt-shaped 40 which are driven by means of a chain 9 in good time. Of the gen of copy material. Inlet channel for template 29 is guided by Various panels 10, 11 are formed in copying technology. drive used to produce a copy of an original place. Examples are the photocopier, which has a supply roll of copier material 22 wound on it Thermal copying and diazo copying processes 45 on a roll container 14 which is arranged around a hinge 15 called. Regardless of which special copier (Figs. 2 and 3) can be pivoted. A coil method is used, it is often advantageous to have 16, which takes up the supply roll and its axis to use a copy material, which is indicated in the form of a 13, rests in bearings in a continuous web wound on a supply roll slotted block 17 are formed on the is kelt, of which is attached according to the length of the 5 ° inner wall 18 of the roll container 14. copying original Sections of the required two conveyor rollers 19, 20 guide the copier Size can be separated. When using material 22 in the gap between the feed rollers Rolled copy material can be zen 7, 8. The conveyor roller 20 carries a gear 24, Difficulties arise if the meshes with an intermediate gear 23 after consumption. The drive of a supply roll did not timely establish a new roll 55 connection between the gear 24 and the Före will. In particular, it can happen that the roller 20 is closed by means of a magnetic coupling 25 that one or more originals are made in the copier. Introduced to derive the drive of the conveyor, but in the absence of more copy paper roller 20 from the copier is shown in the overview more can be copied before it is established that a chain 26 is clear of the embodiment the copy supply is exhausted. 60 seen passing through a on the shaft of the feeder The invention is based on the object, a roller 8 seated sprocket 27, an idle simple and reliable, automatically operating chain wheel 28 and driven chain wheels 30, 31 To create arrangement that runs the user in a timely manner. The sprocket 31 in turn drives the Zwierknen lets you know when a new supply roll is started. must be set. 65 The copy material 22 is moved around a deflection This task is carried out starting from a device rail 32 which is attached to the inner wall device of the type mentioned according to the invention of a housing 33 is attached. The deflection rail solved by the fact that the copy material supply 32 bends the copy material in a curve to