DE547914C - Device for setting gradually moving waves - Google Patents

Description

GERMAN EMPIRE

ISSUED ON MARCH 31, 1932

REICH PATENT OFFICE

PATENT LETTERING

CLASS 21 a ¹ GROUP

Siemens & Halske Akt.-Ges. in Berlin-Siemensstadt *) Device for adjusting gradually moving waves

Patented in the German Empire on January 7, 1928

It has been proposed to effect the step-by-step advancement of a shaft, in particular a remote printer, in such a way that a brush attached to the shaft to be incremented slides over a stationary commutator, the segments of which alternately have different potentials. A relay was controlled by changing the potentials that joined by means of electromagnetic coupling the shaft to be driven periodically with a continuously rotating drive shaft, so that the first W ^r elle gradually so long indexed was until the brush on a normally made by pressing the corresponding key segment had arrived.

With such a device, when starting the indexing device can easily an impulse mutilation occurs.

According to the invention, the starting of the stepping circuit is therefore made with the aid a further, arranged on the driving shaft breaker disc over a period of time made, in which the stepping circuit is just interrupted at its stepping breaker.

Instead of the indexing mechanism, an electromagnetic clutch can also be used will.

The drawing shows an example of an application of the invention to a type pressure transmitter.

The keys 1 are released at the same time for sending, because the key lock magnet 2, the in the de-energized state of the device is in the locked position, with the + pole connected to the pole via contact 3, contact 4 and armature of the polarized relay 5 is and has tightened its angular anchor 6, the key lock, the Contact 7 has been closed.

If a key 1 is now pressed, the contact 3 is opened by the lever 8 arranged below all the keys, so that the key lock magnet 2 now only remains energized by a weak holding current via the parallel resistor 9. Further, the contact 10 and the following flow is closed off: from the + pole via resistor 11, left coil of the polarized relay 5. Contacts 7 and 10, narrow segment _go ment 32 of the collector 13 located on the high-speed motor shaft 12 to the pole.

The polarized relay 5 turns its armature and thus interrupts the contact on the one hand 4 the holding current of the key lock magnet 2, so that its armature 6 drops, the pressed Button or its associated contact lever 14 latches and prevents that before Imprint of the selected character a new key can be pressed. on the other hand is placed on the contact 15 of the capacitor 16 to the pole, so that its

Charge and discharge pulses via the release magnet 17 and alternately with

long connected to the + - or pole

Segments 18 and 19 of the collector 13 flow and the character wheel axle 20 is incremented. The transfer of motion

*,) The patent seeker stated as the inventor:

Dipl.-Ing. Horst Rassoiv in Berlin-Friedenau.

The motor shaft 12 is fed to the wheel axle 20 types by means of a worm drive 28 and a friction slip clutch 29. This is constantly coupled and would the Always take axis 20 with you, if not the locking device consisting of the pawl 30, ratchet wheel 31 and release magnets 17, the Shaft would lock. Depending on the release of the shaft through periodic unlatching and engaging the locking device by means of the mentioned current surges, the step-by-step progression takes place.

As explained, the collector 13, 18. 19 the control of the switching magnetic circuit, in such a way that the switch-on takes place between two current changes. This happens as a result of the position of the segment 32 of the collector 13 to the two conductive segments i8, 19. From the figure is to see that the segment 32 springs 33 at a point in time with the associated grinding comes into connection in which one of the springs 34 on a non-conductive part of the collector lies.

Parallel to Ausklinkmagneten 17 is transmitting the polarized relay 21, whose armature the corresponding current pulses on the line L and L ι 2 sends, wherein a generator powered by the voltage divider 22 serves as a power source.

The step-by-step increment of the type wheel axis 20 takes place until the on the brush arm 23 seated brush 24 connected to the closed contact 25 of the struck button 1 segment 26 of the stationary Collector 27 has reached and swept over. It flows over from the - | pole the resistor 11, the right coil of the polarized relay 5, the brush arm 23, the

Brush 24, the contact 25 to the pole

Current that moves the armature of relay 5 from contact 15 to contact 4. Through this on the one hand hears the stepping of the type wheel axle and the sending of the alternating pulses and the corresponding symbol is printed on the sender and the recipient. On the other hand, the circuit of the key lock magnet is closed again and the keys are then released, if not yet the first button pressed and "so that contact 3 has been kept open. Da but then also contact 7 remains open, even if a key is pressed for a longer period of time only a single release or an imprint of the sign can be made.

On the one hand, the key lock must ensure that if the keystroke is too short, the relevant Button contact 25 remains closed until the setting of the type wheel axis takes place is. On the other hand, care must be taken that as long as a key is pressed, another key cannot be depressed. These conditions are thereby fulfills that the key lock only activates, common to all keys Rail 8 is actuated directly by the buttons. Switching on the button contacts 25 is, however, indirectly concerned by intermediate levers, which are solely from the incident Lock 6 to be withheld.

Claims (5)

Patent claims: i. Device for setting shafts moving step by step, especially with type pressure transmitters, with an electromagnetic clutch or an electromagnetic stepping device, which is controlled step-by-step by an interrupter disk sitting on the driving shaft until the commutator brush on the driven shaft reaches the commutator segment that has become de-energized by the pressed button has, characterized in that 'the starting of the incremental circuit (- {-, 34, 19, 18, 17, 16, 15, -) with the help of a further interrupter disc (13, 32) arranged on the driving shaft (12) in a period occurs in which the switching circuit at Fort Fortschalteunter- g ₀ breakers (34, 19, 18) is interrupted. 2. Device according to claim 1, characterized in that the disconnection of the switching magnetic circuit through , a commutator (27, 23, 24) driven by the shaft to be incremented takes place, its segments (26) by means of contacts (25) controlled by the buttons (1) can be placed on a power source, whereby a switching magnetic circuit dominant relay (5) is controlled. 3. Device according to claim 2, characterized in that the relay (5) controls a circuit to lock the buttons (1). 4. Device according to claim 1 to 3, characterized in that the key lock device is in the locked position when de-energized. 5. Device according to claim 4, da- u ₀ characterized in that 'that each key (1) by means of an intermediate member (14) causes the activation of the actual key contact (25), with a-llein the intermediate member (14) held by the key lock n becomes _5. 1 sheet of drawings BERLDT. PRINTED IN THE REICH PRINTING COMPANY