EP0096246B1 - Coupling device for a positioning wheel - Google Patents

Coupling device for a positioning wheel Download PDF

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Publication number
EP0096246B1
EP0096246B1 EP83104844A EP83104844A EP0096246B1 EP 0096246 B1 EP0096246 B1 EP 0096246B1 EP 83104844 A EP83104844 A EP 83104844A EP 83104844 A EP83104844 A EP 83104844A EP 0096246 B1 EP0096246 B1 EP 0096246B1
Authority
EP
European Patent Office
Prior art keywords
adjuster wheel
wheel shaft
printing machine
adjuster
clutch
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
Application number
EP83104844A
Other languages
German (de)
French (fr)
Other versions
EP0096246A2 (en
EP0096246A3 (en
Inventor
Norbert Benthake
Hans-Jürgen Kusch
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0096246A2 publication Critical patent/EP0096246A2/en
Publication of EP0096246A3 publication Critical patent/EP0096246A3/en
Application granted granted Critical
Publication of EP0096246B1 publication Critical patent/EP0096246B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0018—Protection means against injury to the operator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments

Definitions

  • the invention relates to a coupling device for a setting wheel, in particular for use in small offset machines, for manually starting machine functions.
  • Setting wheels of the type mentioned above have a wide range of applications in the entire machine technology. So u.a. also for small offset machines, where a number of activities preparing the automatic printing process can be carried out by manually actuating the printing cylinder and other machine functions, e.g. the clamping of printing plates. Various printing problems, for example due to a paper jam, are also eliminated in this way.
  • the present invention has for its object to provide a coupling device for a setting wheel, which has a structurally simple and thus economical structure and still allows for a quick and safe coupling and uncoupling process in compliance with the safety requirements, and is easy to operate without additional handles .
  • a setting wheel 1 is arranged on a corresponding setting wheel axis 2 axially immovably and non-rotatably via a pin connection 3.
  • the adjusting wheel axis 2 itself has two bearing points 4, 5, in which it is rotatably and axially displaceably mounted.
  • a switching cylinder 6 with a circumferential groove 7 for switching a limit switch 8 and an end face 9 is arranged on the setting wheel axis 2.
  • the shift cylinder 6 is axially immovable and non-rotatably connected to the adjusting wheel axis 2 via a pin 10.
  • a compression spring 11 is provided for positioning the setting wheel 1 in the disengaged position, which causes the spring-loaded stop of the setting wheel pin 31 at the bearing point 4.
  • an axially movable coupling ring 14 is mounted on the adjusting wheel axis 2, but is rotatably mounted by means of a groove 12 and a key 13, which is supported with its shoulder 32 via a further compression spring 15 on a ring 22 attached to the side wall 16 by means of fastening screws 33.
  • the fastening screws 33 simultaneously hold the bearing ring 35 bearing 5 in its position.
  • the adjusting wheel axis 2 carries a bushing 17 axially fixed on it via the stop 36, disk 37 and retaining ring 38 but rotatably arranged via bearings 39, 40, which is connected via a gearwheel 18 to the machine drive toothing 41 and is designed as a coupling claw 19 on its opposite side .
  • the setting wheel 1 together with the setting wheel axis 2 is pulled out somewhat by the operator, as shown in FIG. 2.
  • the roller 42 of the shift lever 20 is moved out of the groove 7 of the shift cylinder 6 and the limit switch 8 thereby switched prevents the drive motor from being switched on.
  • the equivalent of this is that a machine drive is only possible when the setting wheel 1 is disengaged.
  • the setting wheel axis 2 can now only be pulled out until the switching cylinder 6 rests with its contact surface 9 on a pivotably mounted locking lever 21.
  • the coupling ring 14 is held in its position by the compression spring 15, which, as already mentioned, is determined by its end stop on a ring 22 fastened to the side wall 16.
  • the bushing 17 is pulled in the direction of the coupling ring 14 by the axial movement of the adjusting wheel axis 2, but does not yet couple.
  • the shoulder 32 of the coupling ring 14 rests against the end face of the ring 22 fastened to the side wall 16.
  • the webs 29, 30 of the coupling parts 14, 19 can each be provided with chamfers.
  • the setting wheel 1 is disengaged by simply pushing it in, namely by the travel of the two switching stages, so that the position shown in FIG. 1 is reached again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Mechanical Operated Clutches (AREA)
  • Mechanical Control Devices (AREA)
  • Rotary Presses (AREA)
  • Vehicle Body Suspensions (AREA)
  • Transplanting Machines (AREA)
  • Fluid-Driven Valves (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Abstract

1. Clutch device for an adjuster wheel, especially used in small offset printing machines, manually turnable for starting up printing machine functions, wherein an adjuster wheel shaft (2) is displaceable axially in stages for bringing an adjuster wheel (1) in and out of operative connection with a drive gearing (41) of the printing machine, wherein there are provided shift means (7, 8, 20, 42) which, in response to an axial displacement of said adjuster wheel shaft (2), prevent the drive motor from being switched on in a first stage, and wherein in a second stage, in response to a further axial displacement of said adjuster wheel shaft (2), said adjuster wheel shaft is operatively connected with said drive gearing (41) of the printing machine via clutch means (14, 15, 17, 18, 19).

Description

Die Erfindung betrifft eine Kupplungsvorrichtung für ein Stellrad, insbesondere zur Verwendung in Klein-Offsetmaschinen, zum manuellen Ingangsetzen von Maschinenfunktionen.The invention relates to a coupling device for a setting wheel, in particular for use in small offset machines, for manually starting machine functions.

Stellräder der obengenannten Art haben vielfältige Anwendungsbereiche in der gesamten Maschinentechnik. So u.a. auch bei Klein-Offsetrnaschinen, wo durch eine manuelle Betätigung der Druckzylinder und sonstiger Maschinenfunktionen eine Reihe von den automatischen Druckvorgang vorbereitenden Tätigkeiten ausgeübt werden können wie z.B. das Aufspannen von Druckplatten. Auch das Beseitigen verschiedener Druckstörungen, beispielsweise aufgrund eines Papierstaus, wird auf diese Weise vorgenommen.Setting wheels of the type mentioned above have a wide range of applications in the entire machine technology. So u.a. also for small offset machines, where a number of activities preparing the automatic printing process can be carried out by manually actuating the printing cylinder and other machine functions, e.g. the clamping of printing plates. Various printing problems, for example due to a paper jam, are also eliminated in this way.

An solche Stellräder bzw. an den entsprechenden Kupplungsmechanismus sind aus Sicherheitsgründen verschiedene Anforderungen gestellt. So muss u.a. sicher gewährleistet sein, dass bei laufender Maschine das Stellrad ausgekuppelt ist und darüber hinaus eine Mitnahmeverbindung zwischen Stellrad und Maschinenantrieb nur bei stehender Maschine möglich sein darf. Eine derartige Vorrichtung ist in der US-A-3 992 991 beschrieben.For safety reasons, various requirements are placed on such setting wheels or on the corresponding clutch mechanism. Among other things, Be sure that the setting wheel is disengaged while the machine is running and that a driving connection between the setting wheel and the machine drive is only allowed when the machine is at a standstill. Such a device is described in US-A-3,992,991.

Der vorliegenden Erfindung liegt nun die Aufgabe zugrunde, eine Kupplungsvorrichtung für ein Stellrad zu schaffen, die einen konstruktiv einfachen und somit wirtschaftlichen Aufbau aufweist und unter Beachtung der Sicherheitsanforderungen dennoch einen schnellen und sicheren Ein-und Auskuppelvorgang ermöglicht, sowie einfach ohne zusätzliche Handgriffe zu bedienen ist.The present invention has for its object to provide a coupling device for a setting wheel, which has a structurally simple and thus economical structure and still allows for a quick and safe coupling and uncoupling process in compliance with the safety requirements, and is easy to operate without additional handles .

Die gestellte Aufgabe wird durch eine Vorrichtung gelöst, welche durch die Merkmale des Anspruches 1 gekennzeichnet ist.The object is achieved by a device which is characterized by the features of claim 1.

Mit einem solchen Stellrad sind infolge Verwendung mehrerer Schaltstufen, die gut aufeinander abgestimmt sind, ein zwar schnelles aber dennoch nicht unkontrolliertes oder unbeabsichtigtes Umschalten von Hand- auf Maschinenbetrieb oder umgekehrt möglich.With such a setting wheel, as a result of the use of several switching stages which are well coordinated with one another, a quick but nevertheless uncontrolled or unintentional switching from manual to machine operation or vice versa is possible.

Eine Ausführungsform der Erfindung wird nachstehend anhand der Zeichnungen näher erläutert.An embodiment of the invention is explained below with reference to the drawings.

Dabei zeigt:

  • Fig. 1 eine Schnittdarstellung der Kupplungsvorrichtung in ausgekuppeltem Zustand,
  • Fig. 2 eine schematische Darstellung der Vorrichtung in der ersten Schalfstufe und
  • Fig. 3 eine weitere schematische Darstellung der Vorrichtung in eingekuppeltem Zustand.
It shows:
  • 1 is a sectional view of the coupling device in the disengaged state,
  • Fig. 2 is a schematic representation of the device in the first stage and
  • Fig. 3 shows a further schematic representation of the device in the coupled state.

Wie Figur 1 zeigt, ist ein Stellrad 1 auf einer entsprechenden Stellradachse 2 über eine Stiftverbindung 3 axial unverschieblich und drehfest angeordnet. Die Stellradachse 2 selbst weist zwei Lagerstellen 4, 5 auf, in denen sie drehbar und axial verschiebbar gelagert ist.As FIG. 1 shows, a setting wheel 1 is arranged on a corresponding setting wheel axis 2 axially immovably and non-rotatably via a pin connection 3. The adjusting wheel axis 2 itself has two bearing points 4, 5, in which it is rotatably and axially displaceably mounted.

In der Reihenfolge vom Stellrad 1 aus gesehen sind auf der Stellradachse 2 zunächst ein Schaltzylinder 6 mit umlaufender Nut 7 zum Schalten eines Grenztasters 8 und einer stirnseitigen Anlauffläche 9 angeordnet. Der Schaltzylinder 6 ist dabei über einen Stift 10 mit der Stellradachse 2 axial unverschiebbar und drehfest verbunden. Des weiteren ist eine Druckfeder 11 zum Positionieren des Stellrades 1 in der ausgekuppelten Stellung vorgesehen, die den federbelasteten Anschlag des Stellradzapfens 31 an der Lagerstelle 4 bewirkt. Weiterhin ist auf der Stellradachse 2 ein axial beweglicher aber mittels Nut 12 und Passfeder 13 drehfest gelagerter Kupplungsring 14 angeordnet, welcher sich mit seinem Absatz 32 über eine weitere Druckfeder 15 an einem, an der Seitenwand 16 mittels Befestigungsschrauben 33 angebrachten Ring 22, abstützt. Die Befestigungsschrauben 33 halten gleichzeitig den das Lager 5 tragenden Lagerring 35 in dessen Position.In the order seen from the setting wheel 1, a switching cylinder 6 with a circumferential groove 7 for switching a limit switch 8 and an end face 9 is arranged on the setting wheel axis 2. The shift cylinder 6 is axially immovable and non-rotatably connected to the adjusting wheel axis 2 via a pin 10. Furthermore, a compression spring 11 is provided for positioning the setting wheel 1 in the disengaged position, which causes the spring-loaded stop of the setting wheel pin 31 at the bearing point 4. Furthermore, an axially movable coupling ring 14 is mounted on the adjusting wheel axis 2, but is rotatably mounted by means of a groove 12 and a key 13, which is supported with its shoulder 32 via a further compression spring 15 on a ring 22 attached to the side wall 16 by means of fastening screws 33. The fastening screws 33 simultaneously hold the bearing ring 35 bearing 5 in its position.

Schliesslich trägt die Stellradachse 2 eine auf ihr über Anschlag 36, Scheibe 37 und Haltering 38 axial fixierte aber über Lager 39, 40 drehbar angeordnete Buchse 17, welche über ein Zahnrad 18 mit der Maschinenantriebsverzahnung 41 verbunden und auf ihrer gegenüberliegenden Seite als Kupplungsklaue 19 ausgebildet ist.Finally, the adjusting wheel axis 2 carries a bushing 17 axially fixed on it via the stop 36, disk 37 and retaining ring 38 but rotatably arranged via bearings 39, 40, which is connected via a gearwheel 18 to the machine drive toothing 41 and is designed as a coupling claw 19 on its opposite side .

Die Wirkungsweise der Vorrichtung beim Betätigen des Stellrades 1 ist folgende:The operation of the device when operating the setting wheel 1 is as follows:

Zunächst wird das Stellrad 1 samt Stellradachse 2 vom Bedienenden etwas herausgezogen, wie Figur 2 zeigt. Dabei wird die Rolle 42 des Schalthebels 20 aus der Nut 7 des Schaltzylinders 6 herausbewegt und der dadurch geschaltete Grenztaster 8 verhindert das Einschalten des Antriebsmotors. Gleichbedeutend damit ist, dass ein Maschinenantrieb nur bei ausgekuppeltem Stellrad 1 möglich ist.First, the setting wheel 1 together with the setting wheel axis 2 is pulled out somewhat by the operator, as shown in FIG. 2. The roller 42 of the shift lever 20 is moved out of the groove 7 of the shift cylinder 6 and the limit switch 8 thereby switched prevents the drive motor from being switched on. The equivalent of this is that a machine drive is only possible when the setting wheel 1 is disengaged.

Die Stellradachse 2 kann nun aber nur soweit herausgezogen werden, bis sich der Schaltzylinder 6 mit seiner Anlauffläche 9 an einen verschwenkbar gelagerten Sperrhebel 21 anlegt. Der Kupplungsring 14 wird durch die Druckfeder 15 in seiner Position gehalten, welche, wie bereits erwähnt, durch ihren stirnseitigen Anschlag an einem an der Seitenwand 16 befestigten Ring 22 bestimmt ist.The setting wheel axis 2 can now only be pulled out until the switching cylinder 6 rests with its contact surface 9 on a pivotably mounted locking lever 21. The coupling ring 14 is held in its position by the compression spring 15, which, as already mentioned, is determined by its end stop on a ring 22 fastened to the side wall 16.

Die Buchse 17 wird durch die Axialbewegung der Stellradachse 2 in Richtung Kupplungsring 14 gezogen, kuppelt aber noch nicht ein.The bushing 17 is pulled in the direction of the coupling ring 14 by the axial movement of the adjusting wheel axis 2, but does not yet couple.

Durch ein anschliessendes Verdrehen des Stellrades 1 schwenken die an der Anlauffläche 9 des Schaltzylinders 6 angeordneten, hervorstehenden Mitnehmerstege 23 des Schaltzylinders 6 den Sperrhebel 21 zur Seite, so dass die Stellradachse 2 nun weiter herausgezogen werden kann und zwar so weit, bis ein im Lagerblech 43 drehbar gelagerter, als Hilfsfixierung dienender Bügel 26 in die Nut des Schaltzylinders 6 einrastet. Zur Unterstützung des Einrastens dient eine am Bügel 26 angreifende Zugfeder 44. Durch das zuvor beschriebene weitere Herausziehen der Stellradachse 2 drückt die Buchse 17 mit den Stegen 29 der Kupplungsklaue 19 gegen die Stege 30 des Kupplungsringes 14 und verschiebt diesen gegen die Wirkung der Druckfeder 15, wie in Figur 3 angedeutet (gestrichelt). Durch abermaliges Drehen des Stellrades 1 rasten die beiden unter Federdruck stehenden Kupplungsteile 14, 19 ineinander, wobei die formschlüssige Verbindung zwischen Stellradachse 2 und Maschinenantrieb 41 hergestellt ist. Dabei legt sich der Absatz 32 des Kupplungsringes 14 wieder an die Stirnfläche des an der Seitenwand 16 befestigten Ringes 22 an. Um das Einkuppeln zu erleichtern, können die Stege 29, 30 der Kupplungsteile 14, 19 jeweils mit Fasen versehen sein.By subsequently turning the setting wheel 1, the projecting driver webs 23 of the switching cylinder 6 arranged on the contact surface 9 of the switching cylinder 6 pivot the locking lever 21 to the side, so that the setting wheel axis 2 can now be pulled further out until one in the bearing plate 43 rotatably mounted bracket 26 serving as an auxiliary fixation engages in the groove of the shift cylinder 6. A tension spring 44 acting on the bracket 26 is used to support the engagement. By further pulling out the setting wheel axis 2 as described above, the bushing 17 presses with the webs 29 of the coupling claw 19 against the webs 30 of the coupling ring 14 and displaces it against the action of the compression spring 15. as indicated in Figure 3 (dashed). By turning the setting wheel 1 again, the two coupling parts 14, 19, which are under spring pressure, snap into one another, the positive connection between rule wheel axis 2 and machine drive 41 is made. The shoulder 32 of the coupling ring 14 rests against the end face of the ring 22 fastened to the side wall 16. In order to facilitate coupling, the webs 29, 30 of the coupling parts 14, 19 can each be provided with chamfers.

Das Auskuppeln des Stellrades 1 erfolgt durch einfaches Hineindrücken desselben und zwar um den Stellweg der beiden Schaltstufen, so dass wieder die in Figur 1 dargestellte Position erreicht wird.The setting wheel 1 is disengaged by simply pushing it in, namely by the travel of the two switching stages, so that the position shown in FIG. 1 is reached again.

TeilelisteParts list

  • 1 Stellrad1 adjusting wheel
  • 2 Stellradachse2 setting wheel axis
  • 3 Stift3 pin
  • 4 Lager4 bearings
  • 5 Lager5 bearings
  • 6 Schaltzylinder6 shift cylinders
  • 7 Nut7 groove
  • 8 Grenztaster8 limit switches
  • 9 Anlauftläche9 start-up area
  • 10 Stift10 pen
  • 11 Druckfeder11 compression spring
  • 12 Nut12 groove
  • 13 Passfeder13 key
  • 14 Kupplungsring14 coupling ring
  • 15 Druckfeder15 compression spring
  • 16 Seitenwand16 side wall
  • 17 Buchse17 socket
  • 18 Zahnrad18 gear
  • 19 Kupplungsklaue19 clutch claw
  • 20 Schalthebel20 shifters
  • 21 Sperrhebel21 locking lever
  • 22 Ring22 ring
  • 23 Mitnehmersteg23 carrier bridge
  • 2424th
  • 2525th
  • 26 Bügel26 bracket
  • 2727th
  • 2828
  • 2929
  • 3030th
  • 31 Stellradzapfen31 adjusting pin
  • 32 Absatz32 paragraph
  • 33 Befestigungsschrauben33 fastening screws
  • 3434
  • 35 Lagerring35 bearing ring
  • 36 Anschlag36 stop
  • 37 Scheibe37 disc
  • 38 Haltering38 retaining ring
  • 39 Lager39 bearings
  • 40 Lager40 bearings
  • 41 Maschinenantriebsverzahnung41 machine drive toothing
  • 42 Rolle42 roll
  • 43 Lagerblech43 bearing plate
  • 44 Zugfeder44 tension spring
  • 45 Längsachse45 longitudinal axis

Claims (6)

  1. Clutch device for an adjuster wheel, especially used in small offset printing machines, manually turnable for starting up printing machine functions, wherein an adjuster wheel shaft (2) is displaceable axially in stages for bringing an adjuster wheel (1) in and out of operative connection with a drive gearing (41) of the printing machine, wherein there are provided shift means (7, 8, 20, 42) which, in response to an axial displacement of said adjuster wheel shaft (2), prevent the drive motor from being switched on in a first stage, and wherein in a second stage, in response to a further axial displacement of said adjuster wheel shaft (2), said adjuster wheel shaft is operatively connected with said drive gearing (41) of the printing machine via clutch means (14, 15, 17, 18, 19).
  2. 2. Clutch device according to Claim 1, wherein, after each of said two shifting stages, stop means (21, 29, 30) become effective as stage limitation means which are overriden by turning said adjuster wheel (1).
  3. 3. Clutch device according to Claims 1 and 2, wherein a shift cylinder (6) is disposed on said adjuster wheel shaft (2) so as to be fixed against turning relative thereto and against axial displacement relative thereto, said shift cylinder being provided with a peripherally surrounding groove (7) which is used for actuating a limit switch (8) operatively associated therewith and which, in cooperation with a bracket (26), serves as an auxiliary locking means for an engaged end position.
  4. 4. Clutch device according to Claim 3, wherein said shift cylinder (6) is provided with a thrust face (9) having entrainer tangs (23) thereat, said thrust face engaging a locking lever (21) and pivoting said locking lever by turning said adjuster wheel (1).
  5. 5. Clutch device according to Claims 1 and 2, wherein a clutch ring (14) is disposed on said adjuster wheel shaft (2) so as to be axially displaceable but fixed against turning relative thereto, said clutch ring abutting, via a pressure spring, against a side wall (16) of the printing machine, said adjuster wheel shaft (2) being withdrawable and turnable about the longitudinal axis (45) thereof so as to positively connect said clutch ring to a clutch claw (19) of a bushing (17) being disposed on said adjuster wheel shaft (2) so as to be freely turnable thereon, an effective connection of said adjuster wheel shaft to said drive gearing (41) of the printing machine being via said bushing (17).
  6. 6. Clutch device according to Claim 1, wherein, merely by being pressed in, said adjuster wheel (1) is disengaged so as to axially displace said adjuster wheel shaft (2) by the adjusting travel of said shifting stages.
EP83104844A 1982-06-03 1983-05-17 Coupling device for a positioning wheel Expired EP0096246B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3220872A DE3220872C2 (en) 1982-06-03 1982-06-03 Actuating device for the optional manual or motorized operation of machines, especially small offset printing machines
DE3220872 1982-06-03

Publications (3)

Publication Number Publication Date
EP0096246A2 EP0096246A2 (en) 1983-12-21
EP0096246A3 EP0096246A3 (en) 1985-12-11
EP0096246B1 true EP0096246B1 (en) 1988-08-24

Family

ID=6165179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104844A Expired EP0096246B1 (en) 1982-06-03 1983-05-17 Coupling device for a positioning wheel

Country Status (8)

Country Link
US (1) US4893557A (en)
EP (1) EP0096246B1 (en)
JP (1) JPS5911325U (en)
AU (1) AU560191B2 (en)
DE (1) DE3220872C2 (en)
ES (1) ES522669A0 (en)
NO (1) NO158901C (en)
ZA (1) ZA833154B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823813C2 (en) * 1988-07-14 1996-12-05 Miele & Cie Control device for a household appliance
US5136799A (en) * 1991-02-12 1992-08-11 Alvin Knappick Automatic open and close sign
DE4409417C2 (en) * 1994-03-18 1997-07-17 Driescher Eltech Werk Electrical control panel
US5931212A (en) * 1997-07-15 1999-08-03 Wayne-Dalton Corp. Motorized operator for doors
US7857030B2 (en) * 2007-07-10 2010-12-28 Li-Ming Cheng Window covering switchable to manual operation and electrical operation and a clutch thereof
US8375635B2 (en) * 2009-08-26 2013-02-19 Richard Hellinga Apparatus for opening and closing overhead sectional doors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724289A (en) * 1954-04-27 1955-11-22 Janette Electric Mfg Co Coupling apparatus
US3292453A (en) * 1964-05-08 1966-12-20 Werner Recknagel Litho printing machine
US3988944A (en) * 1974-04-01 1976-11-02 Klasing Hand Brake Co. Quick-release mechanism for a railway car hand brake of the non-spin type
US3992991A (en) * 1975-06-19 1976-11-23 Addressograph Multigraph Corporation Non-rotating handwheel
DE2658695A1 (en) * 1976-12-23 1978-06-29 Still Gmbh Operating rod for valve or switch - has roller contact surfaces providing detent action for rod movable in either longitudinal direction
DE2724135C3 (en) * 1977-05-27 1979-12-20 Rotaprint Gmbh, 1000 Berlin Device for manually adjusting the angular position of the cylinders and for turning an electrically powered office rotary offset printing machine

Also Published As

Publication number Publication date
EP0096246A2 (en) 1983-12-21
AU560191B2 (en) 1987-04-02
DE3220872C2 (en) 1986-09-25
NO831983L (en) 1983-12-05
AU1453683A (en) 1983-12-08
ZA833154B (en) 1984-01-25
ES8402952A1 (en) 1984-03-01
US4893557A (en) 1990-01-16
DE3220872A1 (en) 1983-12-08
JPH0132108Y2 (en) 1989-10-02
NO158901B (en) 1988-08-01
ES522669A0 (en) 1984-03-01
JPS5911325U (en) 1984-01-24
NO158901C (en) 1988-11-09
EP0096246A3 (en) 1985-12-11

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