DE312701C - - Google Patents

Description

ISSUED
ON JUNE 3, 1919

and return wheel.

There are paper feed devices for typewriters known which during the setting of an invoice form around the head height the relationships between the Reverse line switching wheel or the 'securing locking roller and the paper roller to Noise and. Resistances during the

* Avoid putting back and inserting new forms. These devices require special ones Measures to break the relationship, which more or less entangled

are. - - · '·' * fg

To avoid these special measures,

However, maintaining the advantages mentioned is the purpose of the present invention, its essence consists in already existing facilities in typewriters, namely the so-called Freewheel device to use when inserting a bill in the machine to avoid noise and drag and to be known in connection with this Facility to get a simple paper feeder that is adjustable between Limits the angle of rotation of the paper roller.

FIGS. 1 and 2 show two different embodiments.

With the line switching wheel 1 (Fig. 1), in which the locking roller 2 engages in a known manner, the projection 3 is firmly connected, which protrudes over the metal ring 4 firmly connected to the paper roller 5. _; In the metal ring 4 there are as many holes / as the line index wheel has 1 teeth. A pin 6 can be inserted into these holes; the pin 7 is generally stuck. If the fixed connection between the line switch i and the paper roller 5 is interrupted, when the latter is rotated, the cantilever moves in the path of the pins 6, 7 and stops at one or the other, whereby the rotational movement of the paper roller is limited. In order to cancel the rigid connection between the line index wheel 1 and the paper roller 5, the latter is designed as a free-running roller, which is known to be activated by pressing a button'o. Like. A rotary movement with respect to the line switching wheel is permitted. According to this known device, an unhindered rotation of the paper roller within the limits determined by the pins 6 and 7 is possible if necessary. When the usual line switch device is actuated, protrusions and pins are not in the way, since in this case there is a rigid connection between the line switch wheel 1 and the roller 5, that is to say both move uniformly.

Instead of the ring 4 and the pins 6 and 7, others can also pursue the same purpose Means kicking.

According to FIG. 2, the paper roller 5 is limited in its direction of rotation by the pin 3 which is rigidly connected to it. _{In the path of this pin 3, the stops 6 v} and 7 are attached in a disc 4 that can freely rotate on the paper roll axis 8, the former being exchangeable in a perforated crane as shown in FIG.

Claims (3)

The disc 4 has incisions on its edge, the number of which corresponds to the holes for receiving the pin 6, as well as the number of teeth of the line switching wheel, which does not. is drawn. The hand knob 9 can be displaced on it in the longitudinal direction of the axis 8, but not rotatable as a result of the slot surrounding the pin 11. If the hand knob is pressed against the axis, the bottom of the hand knob bore meets the rod 10 protruding through the axis 8, which in a known manner brings about the free running of the paper roller 5, ie. H. breaks the connection between it and the return wheel. At the same time, the cone 12 of the handle pushes one end of the angle lever 13, which is articulated to the side wall of the paper carriage, into the toothing of the disc 4, whereby it is secured against rotation. A rotation now made on the hand knob 9 can only take place between the now fixed stops 6 and 7, with the disabling of the locking of the line wheel. If the hand button is released, the resilient rod 10 pushes the same back, the connection between the line switching wheel and the paper roller is restored and the angle lever 13 emerges from the toothing of the disc 4, so that when writing line by line, the pen 3 the Disc by mediation of the pin 7 takes. Before an invoice form is fed into the machine, the paper roller 5 is rotated until the stop 7 against the protruding element 3 according to FIG. 1 or the pin 3 rests against the stop 7 according to FIG. 2. Now the paper roller is rotated while exerting pressure on the hand knob until the first line to be written is brought into the writing position, in order to then insert the pen into the hole following the overlay 3 (Fig. 1) or the pen 3 (Fig. 2) 6, whereupon the invoice form can be written line by line. After this has been removed from the machine, the carbon and carbon sheet is rotated back to the stop 6 according to both figures, actuating the free-wheeling device, in order to introduce a new form. Godfather τ-Ans ρ kitchen: 1. Paper feed device for typewriters with free-wheeling between the paper roller and line index wheel, characterized in that the line index wheel (1) has a Stop (3) carries to which stops adjustable on the paper roll "(6, 7) are related. 2. Paper feed device for writing. machines, characterized in that im general stops (6, 7, Fig. 2) movable to the paper roll one with the paper, roll firmly connected stop (3) then limit its movement when the Freewheel device is in operation. \ 3. Paper feed device for writing ' machines according to Claims 1 and 2, characterized in that the desired interaction takes place between paper roller (5) and adjustable stops, -sobald'die Freewheel device is operated. 1 sheet of drawings.