EP0280104A2 - Mechanical drum counter - Google Patents

Mechanical drum counter Download PDF

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Publication number
EP0280104A2
EP0280104A2 EP88101772A EP88101772A EP0280104A2 EP 0280104 A2 EP0280104 A2 EP 0280104A2 EP 88101772 A EP88101772 A EP 88101772A EP 88101772 A EP88101772 A EP 88101772A EP 0280104 A2 EP0280104 A2 EP 0280104A2
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EP
European Patent Office
Prior art keywords
rocker
magnetic
mechanical roller
magnet
counter according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88101772A
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German (de)
French (fr)
Other versions
EP0280104A3 (en
EP0280104B1 (en
Inventor
Roland Helbig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengstler GmbH
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Hengstler GmbH
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Filing date
Publication date
Application filed by Hengstler GmbH filed Critical Hengstler GmbH
Priority to AT88101772T priority Critical patent/ATE77501T1/en
Publication of EP0280104A2 publication Critical patent/EP0280104A2/en
Publication of EP0280104A3 publication Critical patent/EP0280104A3/en
Application granted granted Critical
Publication of EP0280104B1 publication Critical patent/EP0280104B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/102—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means

Definitions

  • the invention relates to a mechanical roller counter with a ratchet mechanism on the ratchet wheel for the initial role and incrementing the number rollers.
  • Roller counters with a mechanical or electromechanical drive are known. These are used to record quantities, parts, quantities, lengths or movements.
  • the output force for the display rollers is transmitted via shafts, levers, gears and the like.
  • Mechanical components In the known electromechanical counters, the driving force is supplied in the form of electrical energy and converted into mechanical energy in the counter for actuating the number rollers, e.g. according to DE-PS 35 11 870, DE-GM 83 30 263 and DE-GM 19 35 240.
  • the invention has for its object to provide a particularly reliable and inexpensive counter with a small overall height, which can also be used on site in extremely unfavorable conditions, such as in plant construction and in hydraulically operated machines without electrical connections or electr. Energy supply is to be driven without contact.
  • the counter according to the preamble of claim 1 is characterized in that the rocker at least on the one hand carries a permanent magnet and is held in the rest position preferably under the action of a holding magnet or ferromagnetic part and / or a spring, such that when a ferromagnetic is approached or magnetic switching part, the magnetic rocker is tilted while advancing the ratchet wheel and thereby counting up without supplying electr. Energy causes.
  • a rocker can be used with permanent magnets on one side and counterweight on the other, as well as a return spring and ferromagnetic switching part, or as described below, the rocker can accommodate permanent magnets on both sides and interact with a ferromagnetic holding and a magnetic switching part.
  • the drive takes place via permanent magnetic fields which do not react negatively to environmental influences such as dirt, liquids, gases, light, noise and vibrations.
  • the permanent magnets are preferably hermetically sealed, the switching part being located, for example, on the piston of a pneumatic cylinder made of non-magnetic material. The material selection from the counter and the auxiliary devices must be matched to the magnetic functions.
  • a permanent magnet with an opposite pole arrangement can be provided on both sides symmetrically to the axis of rotation, such that when a switching magnet arranged outside the counter approaches, the one permanent magnet is attracted and the other is repelled, whereby an increased switching force is achieved.
  • the housing 1 serves to receive and store the set of rollers, consisting of number rollers 2 with indexing drives 3 and star wheel 4 for the initial roller and the two parallel shafts 5 and 6, as well as the two end plates 7 and 8.
  • the shaft 9 supports the magnetic rocker 10 with the two to this (10) symmetrically arranged permanent magnets 11 and 12.
  • the rocker 10 is held in the rest position by the shaft 6 as a ferromagnetic part.
  • the pawl 13 engages in the switching star 4.
  • the magnetic rocker 10 tilts in accordance with FIG. 2 due to the torque which increases in the clockwise direction in opposition to the holding torque.
  • the first half step for switching on is effected by means of the switching pawl 15, while the second switching step occurs when the rocker 10 tilts back Rest position when the switching magnet 14 is removed, which means that the starting position for the next movement sequence is reached.
  • a magnetic yoke 16 can also reduce scatter losses and thus serve to strengthen the magnetic field in the working area.
  • FIG. 3 shows a top view of the open counter and FIG. 4 shows a side view
  • FIG. 5 shows a partial section through the pneumatic drive.
  • the bearing of the roller set 2 to 6 between the plates 7 and 8 with the ends of the shafts 5 and 6 in the perforation 17 and the slot 18 in the housing 1 can be seen.
  • the shoulder 19 running in the direction of the rocker 10 with bar 20 on the housing 1 can be seen, which serves to fix the counter on the pneumatic cylinder 21 by means of anti-magnetic strips 22.
  • the switching magnet 14 for actuating the counter on the piston 23 is arranged between the seals 24.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Color Electrophotography (AREA)
  • Valve Device For Special Equipments (AREA)
  • Golf Clubs (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

Die Erfindung betrifft ein mechanisches Rollenzählwerk mit Klinkenantrieb am Schaltrad zur Anfangsrolle und Fortschaltung der Ziffernrollen, welches berührungslos und ohne elektrische Energie anzutreiben ist. Hierbei erfolgt der Antrieb der Schaltklinken vermittels kippbar gelagerter Magnetwippe von einem Schaltmagneten, welcher an einem Bewegungsteil zu montieren ist.The invention relates to a mechanical roller counter with a ratchet drive on the ratchet wheel for the initial roller and index number roller, which is to be driven without contact and without electrical energy. The pawls are driven by means of a tiltable magnetic rocker from a switching magnet which is to be mounted on a moving part.

Description

Die Erfindung bezieht sich auf ein mechanisches Rollen­zählwerk mit Klinkenschaltung am Schaltrad zur Anfangs­rolle und Fortschaltung der Ziffernrollen.The invention relates to a mechanical roller counter with a ratchet mechanism on the ratchet wheel for the initial role and incrementing the number rollers.

Es sind Rollenzählwerke mit mechanischem bzw. elektro­mechanischem Antrieb bekannt. Diese werden zur Erfas­sung von Stückzahlen, Teilen, Mengen, Längen oder Be­wegungsabläufen eingesetzt. Hierbei wird die Abtriebs­kraft für die Anzeigerollen über Wellen, Hebel, Zahn­räder und dgl. mechanische Bauteile übertragen. Bei den bekannten elektromechanischen Zählwerken wird die Antriebskraft in Form von elektrischer Energie zuge­führt und im Zählwerk in mechanische Energie zur Betäti­gung der Zahlenrollen umgesetzt, z.B. nach DE-PS 35 11 870, DE-GM 83 30 263 und DE-GM 19 35 240.Roller counters with a mechanical or electromechanical drive are known. These are used to record quantities, parts, quantities, lengths or movements. The output force for the display rollers is transmitted via shafts, levers, gears and the like. Mechanical components. In the known electromechanical counters, the driving force is supplied in the form of electrical energy and converted into mechanical energy in the counter for actuating the number rollers, e.g. according to DE-PS 35 11 870, DE-GM 83 30 263 and DE-GM 19 35 240.

Im rauhen und schmutzigen Betrieb, sowie bei aggessi­ver oder explosionsgefährdeter Atmosphäre sind hierbei besondere Dicht- und Sicherheitsvorkehrungen zu tref­fen, un einen zuverlässigen Betrieb zu gewährleisten. Soll mit elektromechanischem Zählen vor Ort gearbei­tet werden, so müssen Impulsgeber, Zähler und Stromversor­gung installiert werden.In rough and dirty operation, as well as in aggressive or potentially explosive atmospheres, special sealing and safety precautions must be taken to ensure reliable operation. If you want to work with electromechanical counting on site, the pulse generator, counter and power supply must be installed.

Der Erfindung liegt die Aufgabe zugrunde, ein besonders zuverlässiges und preisgünstiges Zählwerk mit geringer Bauhöhe zu schaffen, welches auch bei extrem ungünsti­gen Bedingungen, wie im Anlagebau und bei hydraulisch betriebenen Maschinen, am Ort eingesetzt werden kann und ohne elektrische Anschlüsse bzw. elektr. Energie­zufur berührungslos anzutreiben ist.The invention has for its object to provide a particularly reliable and inexpensive counter with a small overall height, which can also be used on site in extremely unfavorable conditions, such as in plant construction and in hydraulically operated machines without electrical connections or electr. Energy supply is to be driven without contact.

Zur Lösung dieser Aufgabe kennzeichnet sich das Zähl­werk nach dem Oberbegriff des Anspruchs 1 dadurch, daß die Wippe wenigstens einerseits einen Dauermag­neten trägt und in Ruhestellung vorzugsweise unter Wirkung eines Haltemagnet- oder Ferromagnetteils und/oder einer Feder gehalten ist, derart, daß bei Annäherung eines ferromagnetischen oder magnetischen Schaltteils die Magnetwippe unter Fortschaltung des Schaltrads gekippt und dabei die Weiterzählung ohne Zufuhr elektr. Energie bewirkt.To solve this problem, the counter according to the preamble of claim 1 is characterized in that the rocker at least on the one hand carries a permanent magnet and is held in the rest position preferably under the action of a holding magnet or ferromagnetic part and / or a spring, such that when a ferromagnetic is approached or magnetic switching part, the magnetic rocker is tilted while advancing the ratchet wheel and thereby counting up without supplying electr. Energy causes.

So kann beispielsweise eine Wippe Verwendung finden mit Dauermagneten auf einer Seite und Gegengewicht auf der anderen Seite, sowie Rückholfeder und ferro­magnetischem Schaltteil oder wie im folgenden vorzugs­weise beschrieben, kann die Wippe beidseits Dauermag­neten aufnehmen und mit einem ferromagnetischen Halte- und einem magnetischen Schaltteil zusammenwirken.For example, a rocker can be used with permanent magnets on one side and counterweight on the other, as well as a return spring and ferromagnetic switching part, or as described below, the rocker can accommodate permanent magnets on both sides and interact with a ferromagnetic holding and a magnetic switching part.

Damit erfolgt gemäß der Erfindung der Antrieb über Permanentmagnetfelder, welche auf Umwelteinflüsse wie Schmutz, Flüssigkeiten, Gase, Licht, Lärm und Schwingungen nicht negativ reagieren. Die Permanent­magnete sind vorzugsweise hermetisch abgeschlossen, wobei sich der Schaltteil, z.B. am Kolben eines Pneu­matikzylinders aus nicht magnetischen Material be­findet. Die Matrialauswahl vom Zählwerk und der Hilfs­einrichtungen sind auf die magnetischen Funktionen abzustimmen.Thus, according to the invention, the drive takes place via permanent magnetic fields which do not react negatively to environmental influences such as dirt, liquids, gases, light, noise and vibrations. The permanent magnets are preferably hermetically sealed, the switching part being located, for example, on the piston of a pneumatic cylinder made of non-magnetic material. The material selection from the counter and the auxiliary devices must be matched to the magnetic functions.

Die Verwendung von Sensoren, Hilfsenergien oder mechan. Übertragungsglieder vom Zählobjekt zum Zahler ist nicht erforderlich.The use of sensors, auxiliary energy or mechan. Transmission elements from the counter object to the payer are not required.

Nach einem weiteren Gedanken der Erfindung kann beid­seits symmetrisch zu Drehachse je ein Permanentmagnet mit gegenpoliger Anordnung vorgesehen sein, derart, daß bei Annäherung eines außerhalb vom Zähler angeord­neten Schaltmagneten der eine Permanentmagnet angezo­gen und der andere abgestoßen wird, wodurch eine er­höhte Schaltkraft erreicht wird.According to a further idea of the invention, a permanent magnet with an opposite pole arrangement can be provided on both sides symmetrically to the axis of rotation, such that when a switching magnet arranged outside the counter approaches, the one permanent magnet is attracted and the other is repelled, whereby an increased switching force is achieved.

Ein weiterer Vorteil gegenüber bekannten Zählwerken wird erreicht, wenn anstelle einer herkömmlichen Rück­zugfeder ein Magnet die Funktion derselben übernimmt. Bei der Rückzugfeder ist in der Ruhestellung das Halte­moment am kleinsten und steigt während dem ersten Halb­schritt an, wobei diese Kraft für die Beschleunigung der Rollen verloren geht. Beim zweiten Halbschritt ist die Kraft während des Leerweges am größten und wird am kleinsten, wenn die Rollen wieder weitergeschaltet werden sollen. Diese Kraft-Weg-Verhältnisse sind beim erfindungsgemäßen rein magnetischen Antrieb umgekehrt und wirken sich somit auf die Weiterschaltung der Rollen positiv aus. Das Zählwerk kann dabei addierend oder subtrahierend ausgelegt sein.Another advantage over known counters is achieved if a magnet takes over the function of the same instead of a conventional return spring. With the return spring, the holding torque is smallest in the rest position and increases during the first half step, this force being lost for the acceleration of the rollers. In the second half step, the force is greatest during the free travel and becomes the smallest when the rollers are to be switched on again. In the purely magnetic drive according to the invention, these force-travel relationships are reversed and thus have a positive effect on the switching of the roles. The counter can be designed to add or subtract.

Eine bevorzugte Ausführungsform eines Rollenzählwerk gemäß der Erfindung ist beispielsweise in der Zeichnung dargestellt und nachfolgend beschrieben und zwar zeigen:

  • Figur 1 und 2 einen Querschnitt durch das Zählwerk in Ruhe- und Arbeitsstellung nach dem ersten Halbschritt,
  • Figur 3 eine Draufsicht auf das offene Zähl­werk,
  • Figur 4 eine Seitenansicht auf das Zählwerk und seine Befestigung am Pneumatikzylinder,
  • Figur 5 eine Teilansicht des Pneumatikzylin­ders und Schaltmagnet.
A preferred embodiment of a roller counter according to the invention is shown, for example, in the drawing and described below, specifically showing:
  • 1 and 2 show a cross section through the counter in the rest and working position after the first half step,
  • FIG. 3 shows a top view of the open counter,
  • FIG. 4 shows a side view of the counter and its attachment to the pneumatic cylinder,
  • Figure 5 is a partial view of the pneumatic cylinder and switching magnet.

Das Gehäuse 1 dient der Aufnahme und Lagerung des Rol­lensatzes, bestehend aus Zahlenrollen 2 mit Fortschalt­trieben 3 und Schaltstern 4 zur Anfangsrolle und den beiden parallelen Wellen 5 und 6, sowei den beiden End­platinen 7 und 8. Die Welle 9 lagert die Magnetwippe 10 mit den beidseits zu dieser (10) symmetrisch angeord­neten Dauermagneten 11 und 12. Bei Fig. 1 steht die Wippe 10 in Ruhestellung gehalten durch die Welle 6 als Ferromagnetteil. Hierbei greift die Schaltklin­ke 13 in den Schaltstern 4.The housing 1 serves to receive and store the set of rollers, consisting of number rollers 2 with indexing drives 3 and star wheel 4 for the initial roller and the two parallel shafts 5 and 6, as well as the two end plates 7 and 8. The shaft 9 supports the magnetic rocker 10 with the two to this (10) symmetrically arranged permanent magnets 11 and 12. In Fig. 1, the rocker 10 is held in the rest position by the shaft 6 as a ferromagnetic part. The pawl 13 engages in the switching star 4.

Bei Annäherung des Schaltmagneten 14 erfolgt eine Kip­pung der Magnetwippe 10 entsprechend Figur 2 zufolge des dem Uhrzeigersinn entgegengesetzt größer werden­den Drehmoment gegenüber dem Haltemoment. Hierbei wird unter Vermittlung der Schaltklinke 15 der erste Halbschritt zu Weiterschaltung bewirkt, während der zweite Schaltschritt beim Rückkippen der Wippe 10 in Ruhestellung bei Entfernung des Schaltmagneten 14 er­folgt, womit die Ausgangslage für den nächsten Bewe­gungsablauf erreicht ist. Bei Anordnung von zwei Dauermagneten 11 und 12 kann überdies ein Magnetjoch 16 auftretende Streuverluste verringern und damit einer Verstärkung des Magnetfelds im Arbeitsbereich dienen.When the switching magnet 14 approaches, the magnetic rocker 10 tilts in accordance with FIG. 2 due to the torque which increases in the clockwise direction in opposition to the holding torque. In this case, the first half step for switching on is effected by means of the switching pawl 15, while the second switching step occurs when the rocker 10 tilts back Rest position when the switching magnet 14 is removed, which means that the starting position for the next movement sequence is reached. If two permanent magnets 11 and 12 are arranged, a magnetic yoke 16 can also reduce scatter losses and thus serve to strengthen the magnetic field in the working area.

In Figur 3 ist schließlich eine Draufsicht des offe­nen Zählwerks gezeigt und in Fig. 4 eine Seitenan­sicht, sowie in Figur 5 ein Teilschnitt durch den Pneumatikantrieb. Hieraus wird die Lagerung des Rollen­satzes 2 bis 6 zwischen den Platinen 7 und 8 mit den Enden der Wellen 5 und 6 in der Lochung 17 und der Schlitzung 18 im Gehäuse 1 ersichtlich. Desweiteren wird der in Richtung der Wippe 10 verlaufende Ab­satz 19 mit Leiste 20 am Gehäuse 1 ersichtlich, wel­che der Festlegung des Zählwerks am Pneumatikzylin­der 21 mittels antimagnetischer Bänder 22 dient. Hier­bei wird der Schaltmagnet 14 zur Betätigung des Zähl­werks am Kolben 23 zwischen den Dichtungen 24 ange­ordnet.Finally, FIG. 3 shows a top view of the open counter and FIG. 4 shows a side view, and FIG. 5 shows a partial section through the pneumatic drive. From this, the bearing of the roller set 2 to 6 between the plates 7 and 8 with the ends of the shafts 5 and 6 in the perforation 17 and the slot 18 in the housing 1 can be seen. Furthermore, the shoulder 19 running in the direction of the rocker 10 with bar 20 on the housing 1 can be seen, which serves to fix the counter on the pneumatic cylinder 21 by means of anti-magnetic strips 22. Here, the switching magnet 14 for actuating the counter on the piston 23 is arranged between the seals 24.

Claims (8)

1. Mechanisches Rollenzählwerk mit Klinkenantrieb, am Schaltrad zur Anfgangsrolle unter Fortschal­tung der Ziffernrollen, wobei der Antrieb der Schalt­klinken mittels kippbar gelagerter Wippe erfolgt, dadurch gekennzeichnet, daß die Wippe wenigstens einerseits einen Dauermagneten trägt und in Ruhestel­lung vorzugsweise unter Wirkung eines Haltemagnet- oder Ferromagnetteils und/oder einer Feder gehalten ist, derart, daß bei Annäherung eines ferromagnetischen oder magnetischen Schaltteils die spulenfreie Magnet­wippe unter Fortschaltung des Schaltrads gekippt und dabei die Weiterzählung ohne Zufuhr el. Energie be­wirkt.1. Mechanical roller counter with ratchet drive, on the ratchet wheel to the starting roller while advancing the digit rolls, the ratchet pawls being driven by means of a tiltable rocker, characterized in that the rocker carries at least on the one hand a permanent magnet and in the rest position preferably under the action of a holding magnet or ferromagnetic part and / or a spring is held in such a way that when a ferromagnetic or magnetic switching part approaches, the coil-free magnetic rocker is tilted while advancing the switching wheel and thereby causing the counting without supplying electrical energy. 2. Mechanisches Rollenzählwerk nach Anspruch 1,
dadurch gekennzeichnet, daß beidseits symmetrisch zur Drehachse je ein Permanentmagnet mit gegenpoliger Anordnung vorgesehen ist, derart, daß bei Annäherung eines außerhalb vom Zähler angeordneten Schaltmagne­ten der eine Permanentmagnet angezogen und der andere abgestoßen wird.2. Mechanical roller counter according to claim 1,
characterized in that a permanent magnet is provided on both sides symmetrically to the axis of rotation with an opposite pole arrangement, such that when a switching magnet arranged outside the counter approaches, one permanent magnet is attracted and the other is repelled. 3. Mechanisches Rollenzählwerk nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Permanentmagnete symmetrisch zur Lagerachse der Magnetwippe angeord­net sind.3. Mechanical roller counter according to claim 1 or 2,
characterized in that the permanent magnets are arranged symmetrically to the bearing axis of the magnetic rocker. 4. Mechanisches Rollenzählwerk nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die kurzen Schaltklinken an der Magnetwippe einstückig angeformt sind und vor­zugsweise die Magnetwippe durch Anziehung eines Magne­ten an die Welle in der Ruhestellung gehalten wird.4. Mechanical roller counter according to one of claims 1 to 3,
characterized in that the short pawls are integrally formed on the magnetic rocker and preferably the magnetic rocker is held in the rest position by attracting a magnet to the shaft. 5. Mechanisches Rollenzählwerk nach einem der Ansprüche 2 bis 4,
dadurch gekennzeichnet, daß die Permanentmagnete über ein Magnetjoch magnetisch verbunden sind.5. Mechanical roller counter according to one of claims 2 to 4,
characterized in that the permanent magnets are magnetically connected via a magnetic yoke. 6. Mechanisches Rollenzählwerk nach einem der vor­hergehenden Ansprüche,
dadurch gekennzeichnet, daß der zwischen zwei Platinen gehaltene vorgefertigte Rollensatz als Baugruppe be­stehend aus Zahlenrollen, Fortschalttrieben und Mag­netantrieb in ein hermetisch dichtes Gehäuse ohne Versorgungsanschlüsse einbringbar sind.6. Mechanical roller counter according to one of the preceding claims,
characterized in that the prefabricated roller set held between two blanks can be inserted as an assembly consisting of number rollers, indexing drives and magnetic drive in a hermetically sealed housing without supply connections. 7. Mechanisches Rollenzählwerk nach Anspruch 6,
dadurch gekennzeichnet, daß am Gehäuse ein in Richtung der Wippe verlaufender Absatz mit Leiste der Befestigung dez Zählwerks am entsprechenden Maschi­nenteil mittels antimagnetischer Bänder dient.7. Mechanical roller counter according to claim 6,
characterized in that on the housing a shoulder running in the direction of the rocker with a strip serves to fasten the dec counter to the corresponding machine part by means of antimagnetic tapes. 8. Mechanisches Rollenzählwerk nach einem der vorhergehend Ansprüche,
dadurch gekennzeichnet, daß der Schaltmagnet einem Bewegungsteil, wie Kolben einer Maschine zur Hubzäh­lung od. dgl. zugeordnet ist.8. Mechanical roller counter according to one of the preceding claims,
characterized in that the switching magnet is assigned to a moving part such as a piston of a machine for stroke counting or the like.
EP88101772A 1987-02-25 1988-02-08 Mechanical drum counter Expired - Lifetime EP0280104B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101772T ATE77501T1 (en) 1987-02-25 1988-02-08 MECHANICAL ROLLER COUNTER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705962 1987-02-25
DE19873705962 DE3705962A1 (en) 1987-02-25 1987-02-25 MECHANICAL ROLL COUNTER

Publications (3)

Publication Number Publication Date
EP0280104A2 true EP0280104A2 (en) 1988-08-31
EP0280104A3 EP0280104A3 (en) 1989-09-20
EP0280104B1 EP0280104B1 (en) 1992-06-17

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Application Number Title Priority Date Filing Date
EP88101772A Expired - Lifetime EP0280104B1 (en) 1987-02-25 1988-02-08 Mechanical drum counter

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EP (1) EP0280104B1 (en)
AT (1) ATE77501T1 (en)
DE (2) DE3705962A1 (en)

Cited By (1)

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WO1998056444A1 (en) 1997-06-10 1998-12-17 Glaxo Group Limited Dispenser with doses' counter

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JP4423457B2 (en) 1998-01-16 2010-03-03 トルーデル メディカル インターナショナル Dispenser and administration device display device
US6729330B2 (en) 1998-05-05 2004-05-04 Trudell Medical International Indicating device for aerosol container
US6082358A (en) 1998-05-05 2000-07-04 1263152 Ontario Inc. Indicating device for aerosol container
US6745760B2 (en) 2001-05-15 2004-06-08 Trudell Medical International Medicament applicator
US7004164B2 (en) 2002-03-21 2006-02-28 Trudell Medical International Indicating device for aerosol container
US7621273B2 (en) 2003-10-28 2009-11-24 Trudell Medical International Indicating device with warning dosage indicator
US7100530B2 (en) 2003-12-15 2006-09-05 Trudell Medical International, Inc. Dose indicating device
US7543582B2 (en) 2004-09-20 2009-06-09 Trudell Medical International Dose indicating device with display elements attached to container
US7743945B2 (en) 2005-01-20 2010-06-29 Trudell Medical International Dispensing device
US8141550B2 (en) 2006-08-01 2012-03-27 Trudell Medical International Dispensing device
US8082873B2 (en) 2008-05-05 2011-12-27 Trudell Medical International Drive mechanism for an indicating device
US8181591B1 (en) 2008-05-23 2012-05-22 Trudell Medical International Domed actuator for indicating device
US8596265B2 (en) 2008-10-22 2013-12-03 Trudell Medical International Modular aerosol delivery system

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998056444A1 (en) 1997-06-10 1998-12-17 Glaxo Group Limited Dispenser with doses' counter
WO1998056446A1 (en) * 1997-06-10 1998-12-17 Glaxo Group Limited Dispenser with doses' counter
WO1998056445A1 (en) 1997-06-10 1998-12-17 Glaxo Group Limited Dispenser with doses counter
AU741693B2 (en) * 1997-06-10 2001-12-06 Glaxo Group Limited Dispenser with doses counter
US6360739B1 (en) 1997-06-10 2002-03-26 Smithkline Beecham Corporation Dispenser with doses counter
US7107986B2 (en) 1997-06-10 2006-09-19 Glaxo Group Limited Dispenser with doses' counter
US8245704B2 (en) 1997-06-10 2012-08-21 Glaxo Group Limited Dispenser with doses' counter

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Publication number Publication date
ATE77501T1 (en) 1992-07-15
DE3705962C2 (en) 1988-12-01
DE3705962A1 (en) 1988-09-08
EP0280104A3 (en) 1989-09-20
DE3871981D1 (en) 1992-07-23
EP0280104B1 (en) 1992-06-17

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