EP0276707B1 - Mécanisme d'entraînement à moteur - Google Patents

Mécanisme d'entraînement à moteur Download PDF

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Publication number
EP0276707B1
EP0276707B1 EP88100559A EP88100559A EP0276707B1 EP 0276707 B1 EP0276707 B1 EP 0276707B1 EP 88100559 A EP88100559 A EP 88100559A EP 88100559 A EP88100559 A EP 88100559A EP 0276707 B1 EP0276707 B1 EP 0276707B1
Authority
EP
European Patent Office
Prior art keywords
pallet
pendulum
drive mechanism
spring drive
spring
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.)
Expired - Lifetime
Application number
EP88100559A
Other languages
German (de)
English (en)
Other versions
EP0276707A2 (fr
EP0276707A3 (en
Inventor
Helmut Darda
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6319685&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0276707(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT88100559T priority Critical patent/ATE61005T1/de
Publication of EP0276707A2 publication Critical patent/EP0276707A2/fr
Publication of EP0276707A3 publication Critical patent/EP0276707A3/de
Application granted granted Critical
Publication of EP0276707B1 publication Critical patent/EP0276707B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general
    • A63H29/02—Clockwork mechanisms
    • A63H29/04—Helical-spring driving mechanisms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S185/00—Motors: spring, weight, or animal powered
    • Y10S185/01—Spring powered toys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1502—Escapement

Definitions

  • the invention relates to a spring drive according to the preamble of claim 1.
  • Functions of spring drives are described in principle in German Patents 2,019,085, 2,039,265, 2,055,734 and 2,166,490 and its particularly preferred structure in German Patent 24 61 625, which inventions of the same applicant concern.
  • Spring drives of this type are preferably used because of their compact design in very small driving toys.
  • German patent specification 21 66 888 the proposal is already known to arrange a further reduction gear in a spring drive of the generic type between the output shaft of the actual spring drive and the vehicle drive shaft in order to drive the speed with this reduce severity.
  • this solution can be implemented, it is in any case unsuitable for inexpensive small driving toys, since this transmission should also be switchable.
  • this reduction gear can not be integrated into the spring drive according to the German patent specification 24 61 625 without a significant change.
  • a spring drive for toys with the merlem of the preamble of claim 1 which has a mechanical energy store in the form of a coil spring, which can be coupled to a drive shaft via a sequence gear.
  • the spring drive has a switchable inhibiting device with an escape wheel seated on an axis of the transmission, in which a rocker arm element engages. To change the braking effect, the rocker arm can be adjusted for different positions by means of a slide and a compression spring.
  • the object of the invention is therefore to improve a generic spring drive so that a simple adjustment of the running speed is made possible in a reproducible manner.
  • a reduction gear according to the invention for adjusting the known inhibiting device in the form of an oscillating armature the teeth of which alternately intervene with one of two arms to inhibitly engage the escape wheel, an adjusting slide which is displaceable in the direction of oscillation is provided, via which the depth of engagement and the oscillation amplitude vary within wide limits reproducibly adjusted.
  • stops which are offset on both sides in the direction of vibration are provided on the armature, to which counter-stops are assigned. Large shift stages can be realized in this way, which are adjustable like gears of a manual transmission for motor vehicle engines.
  • the various switching positions of the adjusting slide are preferably specified via a latching device which interacts with the base plate.
  • the pendulum-mounted armature has an additional pendulum mass, which is preferably attached to the pendulum in a detachable and exchangeable manner.
  • a closed barrel 10 there is a spring, not shown, the spring ends of which are connected on the one hand to the barrel gear 11 and on the other hand to the spring core gear 12.
  • the gears 11 and 12 rotating around one another are connected to one another in terms of gears via a so-called reversing pinion 19, which has the rigidly connected pinions 19a and 19b, and drive pinions 18a and 18b seated on the wheel axle 18 such that a torque is exerted on the wheel axle 18, which corresponds to the difference between the torques emitted by the gear wheels 11 and 12.
  • the arrangement of the gears is also such that the spring in the barrel 10 is tensioned in a certain switching position by rotating the wheel axis 18 in both directions simultaneously from the inner and outer ends.
  • this spring drive mechanism known from the patent specifications mentioned at the outset are mounted between engine plates 14, which are connected to one another via the pillars 16.
  • the entire engine is pivotally mounted on the base plate 60 by means of the pillar 16 located at the front in the direction of travel (on the right in FIG. 1).
  • the barrel 10 with its gears 11 and 12 is rotatably mounted between the plates 14 by means of its axis 15.
  • the running of the spring drive is slowed down, the degree of deceleration being changeable.
  • the escapement according to the invention which consists of an anchor wheel 13 which is fixedly connected to the barrel gear 11 and an anchor 20 which interacts with it (see FIGS. 3 and 4), which in turn connects the pendulum 30 to the pendulum mass 31 via part 33 is.
  • the pendulum 30 is pivotally mounted between the arms 52 of a pendulum fork 50 by means of the pendulum axis 32.
  • the pendulum fork 50 itself is firmly connected to the base plate 60 with anchoring arms 53. However, thanks to its elasticity, it can be deflected to a limited extent perpendicular to the base plate by means of the control bolt 51.
  • This is the purpose of the adjusting slide 40 which is arranged to be displaceable along the base plate 60 by means of the adjusting lever 41. It encompasses the control pin 51 of the pendulum fork 50 by means of a control cam 46, the more precise design of which is shown in FIGS. 5 to 9.
  • control curve 46 causes the pendulum fork 52 and thus the pendulum axis 32 when the adjusting slide 40 is displaced from the position 5 over those according to FIGS. 6, 7 into those according to FIGS. 8 and 9, whereby the armature 20 with its armature arms 21, 24 is increasingly engaged with the toothing of the armature wheel 13, as with FIGS. 5a to 9a is illustrated in detail.
  • tub edges 66 serve primarily to limit the pendulum movement of the armature 20, in particular in its uppermost position, in order to prevent jamming between the armature arms 21 and 24 on the one hand and the armature wheel 13, which leads to a complete blocking of the spring drive or at least an uneven influence of the spring engine drain could result.
  • FIG. 5 shows the inhibiting device in the first switching position, in which the adjusting slide 40 engages with a latch 42 in a first catch 62 of the base plate 60.
  • the abutment surface 45 located on the right-hand side of the adjusting slide bears against a cam 65 of the base plate.
  • the top of the slide valve 40 is equipped with a number of stops 43a to 43f, with which the oscillation amplitude of the pendulum mass 31 is limited.
  • a stop part with stops 34a, b, c and 35a is provided below the pendulum mass 31, which are attached to the underside of the pendulum part 34, so that they are connected to the pendulum mass 31 and which with the abovementioned stops 43a to f in the different switching and vibration positions work together.
  • the pendulum mass 31 rests with the part 34 on the stops 43d, 43e and 43g in such a way that a pendulum movement is not possible.
  • the armature 20, as can be seen above all in FIG. 5a is lowered so far down that it cannot come into engagement with the armature wheel 13 rotating in the direction of the arrow when the spring expires.
  • Armature 20, pendulum 30 and pendulum mass 31 are dimensioned and mounted so that the armature 20 is pivoted slightly counterclockwise relative to the horizontal position, so that it is ensured in the arrangement of the embodiment that the teeth of the escape wheel 13 are not with the arms 21 and 24 of the armature 20 come into contact. Armature 20 with pendulum 30 are held in this position, since the pendulum fork 50, in which the pendulum axis 32 is mounted, is held in the lowest position by means of the right part of the control cam 46 and the control bolt 51 located therein.
  • FIGS. 6 and 6a show the inhibiting device in the second switching position.
  • the adjusting slide 40 is to be shifted from the position shown in FIG. 5 to the right until its catch 42 engages in the second catch 63 and its catch 44b in the cam 65.
  • the pendulum fork 50 which engages with the control bolt 51 in the control cam 46, is raised from the lower position to the middle position.
  • the armature 20 comes into engagement with the armature wheel 13.
  • the armature wheel 13 rotates clockwise, one of its teeth runs onto the inside of the armature arm 21 and pivots it and thus the pendulum 30 with the pendulum mass 31 into the position shown in FIGS. 7 and 7a.
  • the oscillation amplitude of the pendulum is limited by the fact that on the one hand it is connected with the stop 35a on the tongue 35 to the stop 43f of the slide valve 40 (see FIG. 6) and on the other hand with the stop 34a on the stop 43b of the slide valve 40 (see FIG. 7).
  • the armature wheel 13 runs with one of its teeth 13a onto the run-up surface 25 of the armature 20 which drops inwards with respect to the armature 20. Since the tip of the tooth 13a runs onto the run-up surface 25 of the armature 20 at an acute angle, the armature wheel 13 can pivot the armature 20 away with less force.
  • FIGS. 8 to 9 The end position in which the inhibiting device according to the invention unfolds its maximum inhibiting effect is shown in FIGS. 8 to 9.
  • control slide 40 In order to get into this position, the control slide 40 has to be moved all the way to the right until its catch 42 engages in the third catch 64 and its catch 44a in the cam 65 and thus lock the slide in the end position.
  • the assignment of the stops on the adjusting slide 40 and the pendulum 30 is changed in such a way that the pendulum 30 with the pendulum mass 31 reaches maximum vibration ranges.
  • the pendulum 30 strikes the stop 35e on the tongue 35 with the end stop surface 35a on the tongue 35 and in its left position in accordance with FIG. 9 with the stop 43b on the stop 43a of the control slide 40.
  • the range of vibration is hereby increased to a maximum, which inevitably leads to a slowdown of the pendulum movement and thus the rotational speed of the escape wheel 13 connected to the spring gear 11.
  • the armature arm 21 is provided with a projecting nose 23 which, in cooperation with the inner surface of the armature arm 21, limits the depth of engagement. If the armature arm 21 were to penetrate even further into the interdental space, the armature wheel 13 could come to a complete standstill or at least to an uneven inhibition and thus to a non-circular running of the spring drive.
  • the oscillating mass 31 which is preferably made of metal, is detachably connected to the pendulum 30. This makes it possible to change the inhibitory effect by exchanging the pendulum mass, so that the spring mechanism, which is otherwise unchanged, can be used to drive toy cars of different weights or different designs. This is of great importance for efficient production.
  • the inhibiting device according to the invention can be installed, for example according to the German patent 24 61 625, with slight alteration of the spring engine being manufactured.
  • this spring drive described and shown in the German patent specification 24 61 625 only the purely decorative approaches located on the spring gear 1a need to be replaced by the escape wheel 13 and the spring drive subsequently with the inhibiting device according to the invention, consisting of anchor 20, pendulum 30, slide valve 40 and pendulum fork 50 to be supplemented, with only slight changes to the base plate 60 being necessary.
  • An advantageous side effect of the inhibiting device according to the invention is that it generates a noise when the spring drive runs off that resembles the engine noise, which increases the attractiveness of the toy vehicle for children.

Claims (9)

1. Mécanisme d'entraînement à ressort pour des véhicules-jouets comportant un accumulateur de force, mécanique par exemple sous la forme d'un ressort spiral qui peut être mis en coopération par une transmission de déroulement avec l'axe de sortie, mécanisme comportant un dispositif-ralentisseur, susceptible d'être mis en oeuvre, avec une roue d'échappement (13) montée sur un axe de la transmission, de préférence sur l'axe relié à une extrémité de l'accumulateur de force, l'un des deux bras (21, 24) montés de façon pendulaire appartenant à un échappement (20) et dont l'amplitude d'oscillation est réglable, venant en alternance entre les dents (13a) de la roue d'échappement, mécanisme caractérisé en ce que l'échappement (20) est muni de différentes butées (34a, b, c ; 35a) prévues dans les deux côtés dans la direction d'oscillation, butées auxquelles sont associées des contre-butées (43a-f) qui peuvent être coulissées dans la direction d'oscillation pour influencer l'amplitude d'oscillation de l'échappement (20) et en ce qu'il est prévu un coulisseau de réglage (40) coulissant dans la direction d'oscillation et sur lequel sont prévues les contre-butées (43a-f) et qui comporte une courbe de commande (46) recevant un goujon de commande (51) prévu sur une fourche (50) portant l'échappement (20) de manière pendulaire, de façon qu'en déplaçant le coulisseau de réglage (40) dans une direction, on augmente la prise et l'amplitude de l'oscillation alors qu'en déplaçant le coulisseau dans la direction opposée, on les réduit.
2. Mécanisme d'entraînement à ressort selon la revendication 1, caractérisé en ce que le coulisseau de réglage (40) comporte un bec d'encliquetage (42) et/ou des encoches (44a, b) auxquelles sont associées des encoches (62, 63, 64) prévues sur une plaque de fond (60) recevant le mécanisme d'entraînement à ressort et/ou des cames (65) pour les différentes positions de commutation.
3. Mécanisme d'entraînement à ressort selon la revendication 2, caractérisé en ce que la roue d'échappement (13) est fixe par rapport au mécanisme d'entraînement alors que l'échappement (20) est monté de manière pendulaire dans une fourche de pendule (50) elle-même susceptible de basculer en direction de l'axe de la roue d'échappement (13).
4. Mécanisme d'entraînement à ressort selon les revendications 1, 2 ou 3, caractérisé en ce que la partie inférieure de l'échappement (20) est placée dans une cuvette (61) dont les bords avant et arrière (66) dans la direction de pivotement sont au moins partiellement relevés.
5. Mécanisme d'entraînement à ressort selon l'une des revendications 3 ou 4, caractérisé en ce que l'échappement (20), ses butées (34a, b, c ; 35a) ainsi que les butées (44a-f) du coulisseau de réglage (40) sont dimensionnés et disposés pour que la roue d'échappement (13) et l'échappement (20) ne soient pas en prise lorsque l'échappement (20) occupe sa position la plus basse et que l'échappement (20) est bloqué.
6. Mécanisme d'entraînement à ressort selon l'une des revendications 3 à 5, caractérisé en ce qu'au moins un bras (24) de l'échappement (20) coopérant avec les dents (13a) de la roue d'échappement (13) présente des surfaces d'attaque (25, 26) inclinées différemment par rapport à la trajectoire des dents (13a) pour que l'effet de ralentissement de l'échappement (20) en position haute soit supérieur à l'effet de ralentissement de l'échappement en position moyenne.
7. Mécanisme d'entraînement à ressort selon l'une des revendications 3 à 6, caractérisé en ce qu'au moins un bras d'échappement (21) comporte un bec (23) réalisé de manière à éviter tout blocage de la roue d'échappement (13) en particulier pour la profondeur de pénétration maximale de l'échappement (20) dans la roue d'échappement (13).
8. Mécanisme d'entraînement à ressort selon l'une des revendications précédentes, caractérisé en ce que l'échappement (20) est relié par une pièce de liaison (33) à un pendule (30) portant une masse pendulaire (31), pendule muni de butées (34a, b, c ; 35a).
9. Mécanisme d'entraînement à ressort selon la revendication 8, caractérisé en ce que la masse pendulaire (31) est fixée de manière amovible et remplaçable sur le pendule (30).
EP88100559A 1987-01-28 1988-01-16 Mécanisme d'entraînement à moteur Expired - Lifetime EP0276707B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88100559T ATE61005T1 (de) 1987-01-28 1988-01-16 Federtriebwerk.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3702457 1987-01-28
DE19873702457 DE3702457A1 (de) 1987-01-28 1987-01-28 Schaltbares federtriebwerk

Publications (3)

Publication Number Publication Date
EP0276707A2 EP0276707A2 (fr) 1988-08-03
EP0276707A3 EP0276707A3 (en) 1989-03-22
EP0276707B1 true EP0276707B1 (fr) 1991-02-27

Family

ID=6319685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100559A Expired - Lifetime EP0276707B1 (fr) 1987-01-28 1988-01-16 Mécanisme d'entraînement à moteur

Country Status (4)

Country Link
US (1) US4832156A (fr)
EP (1) EP0276707B1 (fr)
AT (1) ATE61005T1 (fr)
DE (2) DE3702457A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018114650A1 (de) * 2018-06-19 2019-12-19 Einar Osterhage Federmotor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US638745A (en) * 1899-09-12 1899-12-12 John H Newell Device for adjusting the beat of pendulum clocks.
US1130435A (en) * 1914-05-29 1915-03-02 Torey Ross Pendulum.
US1642449A (en) * 1921-01-21 1927-09-13 Ralph L Lee Toy ball
DE376510C (de) * 1921-03-15 1923-05-29 Giovanni Rivetta Sperrklinkenvorrichtung mit verstellbarer doppelarmiger Klinke fuer Federtriebwerke o. dgl.
US2006881A (en) * 1935-02-11 1935-07-02 Kermit E Boissoneau Mechanical toy
US2146021A (en) * 1936-05-29 1939-02-07 Marx & Co Louis Reversing toy vehicle
DE832563C (de) * 1949-06-23 1952-02-25 Heinrich Mueller Sich waehrend der Fahrt ueberschlagendes Spielzeug
DE867351C (de) * 1950-05-07 1953-02-16 Zeiss Ikon Ag Filmkamera, insbesondere Schmalfilmkamera
AT331694B (de) * 1970-04-21 1976-08-25 Helmut Darda Federtriebwerk fur fahrspielzeuge
DE2039265C3 (de) * 1970-04-21 1974-07-25 H Darda Federtriebwerk, insbesondere für Fahrspielzeuge
DE2166490C3 (de) * 1970-08-07 1978-08-03 Helmut 7712 Blumberg Darda Federtriebwerk, insbesondere für Fahrspielzeuge
DE2166888C3 (de) * 1971-02-08 1978-12-07 Helmut 7712 Blumberg Darda Federtriebwerk, insbesondere für Fahrspielzeuge
GR57852B (en) * 1974-12-24 1977-07-04 H Darda Federtriebwerk,insbesondere fuer fahrspielzeuge
DE2461625C3 (de) * 1974-12-27 1978-07-13 Helmut 7712 Blumberg Darda Federtriebwerk, insbesondere für Fahrspielzeuge
US4106282A (en) * 1976-11-26 1978-08-15 Mattel, Inc. Escapement mechanism for watch
JPH0443274Y2 (fr) * 1985-11-30 1992-10-13

Also Published As

Publication number Publication date
EP0276707A2 (fr) 1988-08-03
US4832156A (en) 1989-05-23
EP0276707A3 (en) 1989-03-22
ATE61005T1 (de) 1991-03-15
DE3702457A1 (de) 1988-08-11
DE3861797D1 (de) 1991-04-04

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