US3624654A - Apparatus for making zigzag recordings of different width - Google Patents

Apparatus for making zigzag recordings of different width Download PDF

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Publication number
US3624654A
US3624654A US23336A US3624654DA US3624654A US 3624654 A US3624654 A US 3624654A US 23336 A US23336 A US 23336A US 3624654D A US3624654D A US 3624654DA US 3624654 A US3624654 A US 3624654A
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United States
Prior art keywords
windings
selector
armature
recording
different
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Expired - Lifetime
Application number
US23336A
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English (en)
Inventor
Karl Vogtlin
Norbert Helmschrott
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Digital Kienzle Computersysteme GmbH and Co KG
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Kienzle Apparate GmbH
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/36—Driving arrangements  for rotating the receptacle at more than one speed
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/02—Registering or indicating driving, working, idle, or waiting time only
    • G07C5/06—Registering or indicating driving, working, idle, or waiting time only in graphical form

Definitions

  • the present invention is concerned with apparatus for recording in the form of beam-shaped zigzag recordings of different width, the duration of different operational conditions,
  • the beam-shaped recordings are produced by oscillating recording members on a continuously rotating record carrier disc consisting of paper. When a recording member is not oscillated, a circular line is recorded instead of the'circular beam-shaped recordings.
  • the time periods in which machines and trucks or other vehicles operate under specific conditions can be advantageously represented by beam-shaped zigzag recordings of different amplitude and width. This is also true for time periods which substantially correspond to the standard working hours of a. person working at the machine or vehicle. On the basis of the recording indicating the working time of the respective person, the payment is determined. Different operational conditions of the machine or vehicle, or different services of the operators of the machine or vehicle can be indicated by zigzag recordings of different amplitude forming beam-shaped recordings of different width. Zigzag recordings of this type can be automatically read out by readout apparatus and does not require the interpretation of the record- 7 ing by a person.
  • the oscillation of the recording means may be mechanically produced by the oscillation of the moving vehicle or machine, or thermoelectric means including bimetal devices can be used.
  • the mechanically oscillated recording means have the disadvantage that the depend on the energy of the oscillations of the machineor vehicle, so that the beam shape of the recording is not accurate.
  • Thermoelectric devices require a great deal of space, and have a comparatively short span of life due to fatigue efiects.
  • Another disadvantage of the recording apparatus using electromagnetically controlled stops is the loud noise created by the armature of the magnets, particularly due to the high frequency of the oscillations of the recording means required for making a beam-shaped zigzag diaphragm.
  • Another object of the invention is to provide an apparatus of this type which requires little space.
  • Another object of the invention is to provide apparatus for recording the working times, and also different functions of two operators of a motorcar' in the form of two beam-shaped zigzag recordings, each of which is of different width depending on the type of work performed by the respective operators.
  • a plurality of windings is spaced about a rotary armature which drives a cam by which the recording means is oscillated.
  • An embodiment of the invention comprises an impulse generator, for example an astable multivibrator; electromagnetic operating means including a rotary armature and a plurality of windings spaced about the armature; circuit means connecting the impulse generator with the windings, and inhaving a plurality of selector positions for causing alternate energizing of different selected windings by the impulse generator so that the armature oscillates with differentamplitudes between different end positions; and motion transmitting means, preferably including cam means, driven by the rotary armature and operatively connecting the same with oscillatory recording means which are'also operated to oscillate at different amplitudes. Zigzag recordings of different width are thus recorded by the recording means when the selector switch means is set to different selector positions for indicating, for example, different types of services performed by the operator of a machine or motorcar.
  • the selector switch means include first and second selector switches which are respectively correlated with first and second recording members associated with first and second operators of a machine or motorcar.
  • Each selector switch is set in accordance with the services to be performed by the respective operator, such as driving or accompanying the driver, and the varied width of thetwo beam shaped recordings made by the two recordingmembers indicates the'durationsof the various functions of each'operator.
  • the recording movements are directly limited by the magnetic fields of the windings, so that it is possible to use one or two cams driven by the armature for oscillating recording means at different amplitudes depending on the shape of the cam track, and on the location of the armature in the two end positions between which it is moved by the selectively energized and deenergized windings.
  • FIG. 1 is a fragmentary schematic perspective view illustrating an embodiment of the invention
  • FIG. 1a is a side elevation illustrating a modified cam which can be used in the embodiment FIG. 1;
  • FIG. 2 is a table illustrating coordinated selector positions of two selector switches associated with two different drivers, the correspondingly energized windings and the shape of two recordings respectively correlated with two drivers;
  • FIG. 3 is partly a diagram illustrating the electric circuit of the embodiment of FIG. 1, including two selector switches, interlocking means for the same and a speed-responsive switch operated by speed-responsive apparatus partially shown in section; and
  • FIG. 4 is a fragmentary schematic view illustrating operational conditions of the armature and cam means of the embodimentshown in FIGS. 1 and 3.
  • an astable multivibrator 1 serves as impulse generator supplying alternate pulses from two outputs Aland All.
  • a circuit schematically indicated at 2 in FIG. 1 and shown in greater detail in FIG. 3 includes three windings 3, 4 and 5 angularly spaced along a circle and producing, when selectively energized under the control of selector switches 19 and 20, magnetic fields acting on a permanent magnet armature 18 for turning the same between angular positions.
  • a shaft 17 connects armature 18 with a cam 16 whose annular cam track, best seen in FIG.
  • the recording means further include a spring 13 connecting the free arms of recording members 6 and 7 and biasing pins 15 and 14 toward the annular cam track of cam 16.
  • Cam 16 may be replaced by a cam disc 21, shown in FIG. 1a, which has an annular cam groove 22 in one lateral face which can be engaged by follower pins corresponding to follower pins 15 and 16.
  • spring 13 can be omitted so that lesser friction prevails between the follower pins and the cam, reducing the load torque acting on the armature 18.
  • cam 16 or cam 21 is also oscillated, and causes oscillations of recording members 6 and 7 so that recording points 11 and 12 record on a continuously rotating circular paper disc, not shown.
  • Windings 3, 4 and 5 are schematically shown. Windings 3 and 5 are connected in series with winding 4, and separated from the same by diodes.
  • Two selector switches I and II are respectively associated with two operators of a car or machine, and each selector switch has three positions P, representing a rest period of the respective operator, A representing auxiliary services of the respective operator and F representing driving of the respective operator. Since both operators cannot drive simultaneously, locking means are provided which prevent the placing of both selector switches 19 and 20 in the position F representing driving.
  • Selector switch arms 19 and 20 are angular and have, respectively a contact arm, and a control arm carrying a pin 28 and a pin 29, respectively, which cooperate with slanted faces 30 and 31 ofa locking slide 23, which is guided by pins passing through slots in locking slide 23 for movement between two end positions. Shoulders are provided at the ends of slide 23 cooperating with pins 28 and 29. Slide 23 carries a pin 27,cooperating with the arms of a spring 24 mounted on a stationary pin 25. If none of the two selector switch arms 19 and 20 is in the drive position F, locking slide 23 is held by spring 24 in a central position determined by a stop pin 26.
  • locking slide 23 is locked by pin 22 engaging the transverse shoulder on the respective end of locking slide 23 so that turning of selector switch arm 19 toward the drive position F is blocked by engagement between pin 28 and a slanted face 30.
  • switch arm 20 is turned to one of the positions A or P, the shoulder is released by pin 29, and locking slide 23 can be shifted upon engagement between pin 28 and the slanted face 30 when selector switch arm 19 is turned toward the drive position F.
  • the angular switch arms 19 and 20 on the one hand, and the contacts P on the other hand, are connected to the ends of windings 3 and 5 so that winding 3 is shunted when selector switch arm 19 engages contact P, and so that winding 5 is shunted when selector switch arm 20 is turned to engage contact P.
  • the respective shunted windings 3 and 5 are deener gized and produce no electromagnetic field for turning armature 18.
  • Switch contacts F of selector switches I and II are connected to each other, and are connected by a switch S a voltage source to whose other terminal, the end of winding 4 is connected.
  • Switch S opens when the motorcar provided with the apparatus of the present invention moves at a predetermined low speed.
  • a slide 32 is mounted on a guide rod 42 and has a projection 33 cooperating with the arm of switch S.
  • a copper drum 34 houses a freely rotatable magnet 36 which is secured to a shaft 35 driven by a rotating part of the motorcar. Due to Eddy currents, an electromagnetic torque is exerted on drum 34 which is counteracted by spring 37 secured to a stationary bracket 38 and to the hub of a gear 39 which is secured to drum 34, gear 39 meshing with the rack bar on slide 32 which may carry a recording point 43.
  • a pointer 41 is connected by a shaft 40 with gear 39 and drum 34.
  • the speed-responsive device controlling S is well known and not an object of the invention.
  • Cam 16 has a peripheral cam track of which a portion extending over more than l is circular, while the remaining portion has two low cam lobes 16a and having the same radial height, and an intermediate lobe 16b of greater height.
  • Cam 16 is shown in FIG. 4 in solid lines in a position on which the followers 14 and 15 are in contact with the circular cam track portion, so that spring 13 pulls both recording members 6 and 7 to a normal position in which recording points 11 and 12 would draw circular lines on a rotating record carrier disc.
  • Cam 16 is further shown in another position shown in broken lines and in a third position shown in dash and dot lines. The angular displacement of cam 16 is effected by the rotary armature 18 which is connected by shaft 17 with cam 16.
  • the above-described apparatus can be used on a truck or other motorcar for recording the working periods and rest periods of two operators of the truck, and more particularly for recording the time periods which each operator drives, and which are used for performing auxiliary services such as accompanying the actually driving operator.
  • both operators may perform auxiliary services, such as loading, unloading, repairs, change of tires, and the like, or one or both operators may rest while the truck is stopped.
  • OPERATION Line 1 of FIG. 2 contains headings selection, windings and recordings respectively identifying columns.
  • the second line indicates in the selection column, two subcolumns representing the positions of selector switches .l and II.
  • the second line in the second column identifies the two outputs AI and All of the multivibrator 1, and the second line of the last column identifies two subcolumns to be correlated with operator I and operator II.
  • the following seven'lines represent in the first column the selector positions of selector switches l and II, in the second column the windings which are excited and energized, and in the last two subcolumns, the shape of the recordings made by the recording means 6, 11 and 7, 12 when the selector switches l and II, are set to the selector positions shown in the two subcolumns of the first column.
  • selector switch I is set to the position A
  • selector switch II is set to the position P.
  • a pulse at the output All of impulse generator l flows through contact P and switch arm 20 parallel to winding 5, deenergizing the same, while windings 3 and 4, which are connected in series, are energized by the next following pulse at the output AI of impulse generator 1. Consequently, if the magnetic field of windings 3 and 4 turns the armature 18 45 in counterclockwise direction to a position located between windings 3 and 4.
  • the next following pulse from output AII energizes winding 5 so that armature 18 is turned back to the initial position aligned with winding 4.
  • cam 16 is oscillated 45 between the normal position shown in solid lines, and the position shown in chain lines in which cam lobe 16a in the position 16a is effective to displace recording member 7 out of the normal position in which follower 14 engages a circular cam track portion to the position shown in chain lines so that a zigzag recording 16 a" is made.
  • follower 15 of recording member 6 remains in contact with the circular cam track portion, and a circular line is drawn on the rotating record carrier, as shown, in the respective line of the table of FIG. 2, in the column associated with operator II.
  • cam 16 is oscillated the same angle so that in the position'of cam 16 shown in broken lines, the high cam lobe 16b in the position l6b' is effective to oscillate recording member 6 so that a wide beam-shaped zigzag recording 16b" is made, while recording member 17 is operated by lobe 16a in the position 16a to make a narrower beam-shaped zigzag recording, as shown in the column of operator I in FIG. 2.
  • the apparatus of the invention permits the control of two recording members 6 and 7 by three windings 3, 4 and 5 in such a manner that each recording member is capable of making two different beam-shaped zigzag recordings, which required in the prior artat least four electromagnets. Furthermore, the provision of a rotaryarmature 6 saves a great deal of space, and the direct mounting of the cam 16 on the shaft 17 of armature l8, eliminates the play of other transmissions which otherwise have to be finished to very high tolerances. The accuracy of the zigzag recordings depends only on the precision of the cam 16. Since the end positions of the recording members 6 and 7 are not determined by stops, any. noise produced by impacts is eliminated, and overshooting of the armature does not occur since the magnetic torque is gradually reduced as the armature moves to its respective end positions.
  • Apparatus for making zigzag recordings of different width comprising, in combination, impulse generator means; electromagnetic operating means including a rotary armature and a plurality of windings spaced about said armature; circuit means connecting said impulse generator means with said windings, and including selector switch means having a plurality of selector positions for causing alternate energizing of different selected windings by said impulse generator means so that said armature oscillates with different amplitudes between different end positions; recording means mounted for oscillation; and motion-transmitting means driven by said armature and operatively connecting the same with said recording means for oscillating the said recording means different amplitudes so that zigzag recordings of difi'erent width are recorder when said selector switch means is set to different selector positions.
  • said impulse generator means has two outputs and alternately generates first and second pulses at said outlets; and wherein said circuit means connects said windings so that said first pulses energize at least one predetermined winding to turn said armature from a normal position to one of said end positions according to the position of said selector switch means, and so that said second pulses energize at least one predetermined winding to return said armature to said normal position.
  • said motiontransmitting means include rotary cam means connected with said armature for oscillation therewith and cooperating with said recording means for said recording means different amplitudes so that zigzag recordings of different width are recorded.
  • said recording means includes first and second recording members mounted for oscillation about parallel axes; and wherein said selector switch means includes first and second selector switches respectively correlated with said first and second recording members, each selector switch having a plurality of selector positions and being independently settable to the same for causing energization of different selected windings so that zigzag recordings of different width can be simultaneously recorded by said first and second recording members.
  • said motiontransmitting means include a rotary cam connected with said armature for oscillation therewith, and having a cam track cooperating with said first and second recording members for simultaneously oscillating the same different amplitudes.
  • said impulse generator means has two outputs and alternately generates first and second pulses at said outlets; and wherein said circuit means connects said windings so that said first pulses energize at least one predetermined winding to turn said armature from a normal position to one of said end positions according to the positions of said selector switches so as to cause turning of said cam means in one direction of rotation, and so that said second pulses energize at least one predetermined winding to cause turning of said armature from said end positions back to said normal position whereby said cam means turns in the opposite direction of rotation and oscillates in synchronism with the generation of said first and second pulses.
  • cam means includes a cam disc having at least on one side an endless cam groove; and wherein said recording members have portions guided in said cam groove.
  • circuit means includes conductors connected in parallel with selected windings of said plurality of windings when said first and second selector switches are in predetermined selector positions so that the respective windings are deenergized and do not influence the angular positions of said armature and said cam means.
  • Apparatus as claimed in claim 8 wherein said plurality of winding has three windings, two of said windings bein connected in series with the third winding, and being said se ected windings, parallel to which said conductors are connected by said first and second selector switches, respectively. in said predetermined selector positions of the same.
  • said impulse generator means is an astable multivibrator having two outputs connected by said circuit means with said windings.
  • circuit means includes a speed-responsive switch having open and closed positions and effecting in said open and closed positions the energization of different windings of said plurality of windings so that said armature moves between different end positions and zigzag recordings made in said open and closed positions of said speed responsive switch have different width for indicating different operational conditions in which the apparatus moves and is stopped, respectively.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Recording Measured Values (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
US23336A 1969-03-28 1970-03-27 Apparatus for making zigzag recordings of different width Expired - Lifetime US3624654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691915917 DE1915917B1 (de) 1969-03-28 1969-03-28 Einrichtung zum Aufzeichnen von Betriebs- und Arbeitszeiten

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US3624654A true US3624654A (en) 1971-11-30

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US23336A Expired - Lifetime US3624654A (en) 1969-03-28 1970-03-27 Apparatus for making zigzag recordings of different width

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US (1) US3624654A (de)
JP (1) JPS4920110B1 (de)
AT (1) AT293768B (de)
BE (1) BE748124A (de)
CH (1) CH501213A (de)
DE (1) DE1915917B1 (de)
FR (1) FR2035955B1 (de)
GB (1) GB1267495A (de)
NL (1) NL145376B (de)
SE (1) SE356819B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144696A (en) * 1976-10-18 1979-03-20 Gustavsson Olov Erland Shrink wrapping process and apparatus
US5291216A (en) * 1991-11-05 1994-03-01 Transit Services, Inc. Multi-trace chart recorder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016273A (en) * 1960-06-29 1962-01-09 Northrop Corp Pivot-type self-aligning hydrostatic bearing assembly
US3228032A (en) * 1966-01-04 Recording apparatus for making distinguishable recordings

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260211B (de) * 1965-07-15 1968-02-01 Kienzle Apparate Gmbh Steuereinrichtung fuer den Ruettelantrieb von Registriermitteln in einem Fahrtschreiber oder aehnlichem Registriergeraet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228032A (en) * 1966-01-04 Recording apparatus for making distinguishable recordings
US3016273A (en) * 1960-06-29 1962-01-09 Northrop Corp Pivot-type self-aligning hydrostatic bearing assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144696A (en) * 1976-10-18 1979-03-20 Gustavsson Olov Erland Shrink wrapping process and apparatus
US5291216A (en) * 1991-11-05 1994-03-01 Transit Services, Inc. Multi-trace chart recorder

Also Published As

Publication number Publication date
AT293768B (de) 1971-10-25
NL145376B (nl) 1975-03-17
GB1267495A (en) 1972-03-22
CH501213A (de) 1970-12-31
SE356819B (de) 1973-06-04
NL7003801A (de) 1970-09-30
BE748124A (fr) 1970-08-31
FR2035955A1 (de) 1970-12-24
JPS4920110B1 (de) 1974-05-22
DE1915917B1 (de) 1970-04-30
FR2035955B1 (de) 1973-05-11

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