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DE2357470B2 - DEVICE FOR RIGHT ALIGNMENT OF THE VERTICAL AXIS OF A VARIABLE WORK EQUIPMENT, e.g. A MULTI-PIECE FIRE FIGHTER - Google Patents

DEVICE FOR RIGHT ALIGNMENT OF THE VERTICAL AXIS OF A VARIABLE WORK EQUIPMENT, e.g. A MULTI-PIECE FIRE FIGHTER

Info

Publication number
DE2357470B2
DE2357470B2 DE19732357470 DE2357470A DE2357470B2 DE 2357470 B2 DE2357470 B2 DE 2357470B2 DE 19732357470 DE19732357470 DE 19732357470 DE 2357470 A DE2357470 A DE 2357470A DE 2357470 B2 DE2357470 B2 DE 2357470B2
Authority
DE
Germany
Prior art keywords
bearing
bogie
vertical axis
support
vertical
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
DE19732357470
Other languages
German (de)
Other versions
DE2357470A1 (en
DE2357470C3 (en
Inventor
Hans DipL-Ing. 7911 WuUenstetten Eickhoff
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.)
Iveco Magirus AG
Original Assignee
Magirus Deutz 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 Magirus Deutz AG filed Critical Magirus Deutz AG
Priority to DE2357470A priority Critical patent/DE2357470C3/en
Priority to GB45876/74A priority patent/GB1487935A/en
Priority to FR7437803A priority patent/FR2251699B1/fr
Publication of DE2357470A1 publication Critical patent/DE2357470A1/en
Publication of DE2357470B2 publication Critical patent/DE2357470B2/en
Application granted granted Critical
Publication of DE2357470C3 publication Critical patent/DE2357470C3/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • B66F11/046—Working platforms suspended from booms of the telescoping type
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
    • E06C5/32—Accessories, e.g. brakes on ladders
    • E06C5/40—Devices for canting ladders laterally
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2035—Undercarriages with or without wheels comprising means allowing pivoting adjustment in more than one direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Rolling Contact Bearings (AREA)
  • Ladders (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum lotrechten Ausrichten der Hochachse eines mit einem Untergestell dreh- und neigungsverstellbar verbundenen höhenveränderlichen Arbeitsgerätes, z. B. einer 3 mehrteiligen Feuerwehrleiter, mit einem am Untergestell angeordneten Traglager und einem am Arbeitsgerät angeordneten Drehgestellager sowie einem beide Lager gleich- oder gegensinnig drehbar miteinander verbindenden, um einen Winkel α gegenüber der 41) Senkrechten geneigt liegenden Hauptlager.The invention relates to a device for the vertical alignment of the vertical axis with a Underframe rotatable and adjustable in inclination connected height-adjustable working device, z. B. a 3 multi-part fire brigade ladder, with a support bearing arranged on the underframe and one on the implement arranged bogie bearings and one of the two bearings rotatable in the same or opposite directions with one another connecting to an angle α with respect to 41) Vertical inclined main bearings.

Bei einem bekannten Arbeitsgerät der vorstehend genannten Art (DT-AS 15 00 878) sind die einzelnen Lager zwischen Arbeitsgerät und Untergestell mit Abstand übereinander angeordnet und durch Ausgleichskörper in Form keilförmiger Scheiben miteinander verbunden. Von Nachteil ist, daß durch die Übereinander angeordneten Lager das Arbeitsgerät einen hochliegenden Schwerpunkt hat, der die Stabilität des Fahrzeuges beeinträchtigt, so daß z. B. nur geringe 5" seitliche Ausladungen des Arbeitsgerätes möglich sind. Ein weiterer schwerwiegender Nachteil besteht darin, daß durch die übereinander angeordneten Wälzlager das Arbeitsgerät eine große Bauhöhe aufweist, so daß Durchfahrten unter Straßen- oder Eisenbahnbrücken 5;; beeinträchtigt oder unmöglich sind.In a known tool of the type mentioned above (DT-AS 15 00 878) the individual Bearing between the working device and the underframe arranged at a distance one above the other and by means of compensating bodies connected to one another in the form of wedge-shaped discs. The disadvantage is that the Superimposed bearings the implement has a high center of gravity, which the stability of the vehicle affected, so that z. B. only small 5 "lateral projections of the implement are possible. Another serious disadvantage is that the superposed roller bearings the implement has a large overall height, so that passages under road or railway bridges 5 ;; are impaired or impossible.

Die der Erfindung zugrunde liegende Aufgabe besteht darin, die bekannte Vorrichtung so zu verbessern, daß sie einen einfachen Aufbau und eine niedrige Bauhöhe des Arbeitsgerätes ergibtThe object on which the invention is based is to modify the known device in this way improve that it results in a simple structure and a low overall height of the implement

Die Aufgabe ist erfindungsgemäß dadurch gelöst, daß das Trag- und das Drehgestellager koaxial zueinander und in einer gemeinsamen Ebene liegend angeordnet sind, wobei der Innenring des Traglagers und der Außenring des Drehgestellagers über das um die geneigte Drehachse schwenkbare Hauptlager verbunden sind.The object is achieved according to the invention in that the support and the bogie bearings are coaxial with one another and are arranged lying in a common plane, the inner ring of the support bearing and the Outer ring of the bogie bearing connected via the main bearing pivotable about the inclined axis of rotation are.

Die erfindungsgemäße Verbesserung der VorrichThe inventive improvement of the Vorrich

tung hat den Vorteil, daß das Arbeitsgerät unmittelbar über dem fahrbaren Untergestell angeordnet werden kann, so daß neben einem tiefliegenden Schwerpunkt insgesamt ein niedrigbauendes Arbeitsgerät erreichi wird. Außerdem besteht die Vorrichtung nur noch aus wenigen Einzelteilen.device has the advantage that the implement is immediate can be arranged above the mobile base, so that in addition to a low center of gravity overall a low-build work device is achieved. In addition, the device only consists of few items.

Eine weitere Vereinfachung der Vorrichtung wird dadurch erreicht, daß zur Bildung des Hauptlagers der Außenring des Drehgestellagers einen in einer zur geneigten Drehachse senkrechten Ebene konzentrisch umlaufenden Steg aufweist, der in einer entsprechend verlaufenden Nut im Innenring des Traglagers zwischen Wälzkörpern geführt istA further simplification of the device is achieved in that the formation of the main bearing The outer ring of the bogie bearing is concentric in a plane perpendicular to the inclined axis of rotation has circumferential web, which is in a correspondingly extending groove in the inner ring of the support bearing between Rolling elements is performed

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt Es zeigtIn the drawing, an embodiment of the invention is shown

F i g. 1 in Rückansicht eine fahrbare Drehleiter mit der erfindungsgemäßen Vorrichtung im senkrechten Schnitt,F i g. 1 in a rear view of a mobile turntable ladder with the device according to the invention in the vertical Cut,

Fig.2 in vergrößerter Darstellung die Vorrichtung aus F i g. 1 mit Antriebsvorrichtungen zum Drehen der Lagerringe.2 shows the device in an enlarged view from Fig. 1 with drive devices for rotating the bearing rings.

Eine fahrbare Drehleiter 1 hat einen Leitersatz 2, der um eine horizontale Aufrichteachse 3 schwenkbar an einem Drehgestell 4 gelagert ist Das Drehgestell 4 ist seinerseits um eine Hochachse 5 drehbar auf einem fahrbaren Untergestell 6 angeordnet Fm die Verbindung von Drehgestell 4 und Untergestell 6 sind ein Drehgesiellager 12 und ein Traglager 13 vorgesehen. Beide Lager 12,13 sind koaxial zueinander angeordnet, wobei das Traglager 13 das Drehgestellager 12 außen umgibt.A mobile turntable ladder 1 has a ladder set 2, which is pivotably mounted on a bogie 4 about a horizontal erecting axis 3. The bogie 4 is in turn arranged on a mobile underframe 6 rotatable about a vertical axis 5 Fm the connection a pivot bearing 12 and a support bearing 13 are provided for the bogie 4 and subframe 6. Both bearings 12, 13 are arranged coaxially to one another, with the support bearing 13, the bogie bearing 12 on the outside surrounds.

Um bei schiefstehendem Untergestell 6 die Hochachse 5 ins Lot bringen zu können, sind das Drehgestellager 12 und das Traglager 13 über ein Hauptlager 11 miteinander verbunden, dessen Drehachse 7 gegenüber einer senkrechten Fahrzeugachse 8 um einen Winkel α geneigt verläuftIn order to be able to bring the vertical axis 5 into the perpendicular when the underframe 6 is inclined, the bogie bearings are 12 and the support bearing 13 are connected to one another via a main bearing 11, the axis of rotation 7 of which is opposite a vertical vehicle axis 8 is inclined at an angle α

Das Hauptlager 11 wird dabei von einem am Außenring 43 des Drehgestellagers 12 konzentrisch umlaufenden und in einer zur geneigten Drehachse 7 senkrechten Ebene liegenden Steg 45 gebildet, der in einer entsprechend verlaufenden Nut 46 im Innenring 44 des Tmglagers 13 zwischen Wälzkörpern 47 geführt ist. Zum Einloten der Hochachse 5 bei schiefstehendem Untergestell 6 werden je nach Richtung der Schräglage entweder beide Ringe 43,44 gleichzeitig gegeneinander oder nur der Außenring 43 des Drehgestellagers 12 gegenüber dem Innenring 44 des Traglagers 13 oder umgekehrt verdreht Gemäß Fig.2 geschieht dies mittels Antriebseinrichtungen 48-50. Die Antriebseinrichtung 48 dient dabei nur zum Drehen des Drehgestelles 4 um die Hochachse 5. Der Innenring 44 wird gegenüber dem Außenring 43 von der Antriebseinrichtung 49 verdreht, wobei während dieses Arbeitsspiels der Außenring 43 durch die Antriebseinrichtung 48 blockiert ist Der Außenring 43 wird von der Antriebsvorrichtung 50 bewegt, während die Antriebsvorrichtung 49 den Innenring 44 blockiert Die Antriebseinrichtungen 48-50 bestehen aus einem Schneckengetriebe, das über ein Zahnrad mit einem am Innenring 43 oder 44 befestigten Zahnkranz im Eingriff steht. Die dargestellten Antriebseinrichtungen können jedoch durch jede andere mögliche Antriebseinrichtung ersetzt werden.The main bearing 11 is concentric by one on the outer ring 43 of the bogie bearing 12 circumferential and in a plane perpendicular to the inclined axis of rotation 7 is formed web 45, which in a correspondingly running groove 46 in the inner ring 44 of the Tmglager 13 between rolling elements 47 is. To plumb the vertical axis 5 when the underframe 6 is inclined, depending on the direction of the inclined position either both rings 43, 44 against each other at the same time or only the outer ring 43 of the bogie bearing 12 rotated with respect to the inner ring 44 of the support bearing 13 or vice versa, according to FIG by means of drive devices 48-50. The drive device 48 is only used to rotate the Bogie 4 about the vertical axis 5. The inner ring 44 is opposite to the outer ring 43 of the drive device 49 rotated, the outer ring 43 being driven by the drive device during this working cycle 48 is blocked The outer ring 43 is moved by the drive device 50, while the drive device 49 the inner ring 44 blocked The drive devices 48-50 consist of one Worm gear that engages via a gear with a ring gear attached to the inner ring 43 or 44 stands. The drive devices shown can, however, be replaced by any other possible drive device be replaced.

Die Steuerung der Lagerringe zum Ausrichten des Drehgestelles 4 kann manuell oder automatisch mittels geeigneter Meß- und Regeleinrichtungen erfolgen. Bei der manuellen Steuerung werden die Lagerringe durchThe control of the bearing rings for aligning the bogie 4 can be done manually or automatically by means of suitable measuring and control equipment. With manual control, the bearing rings are through

das Bedienungspersonal der Drehleiter 1 eingestellt Zur Kontrolle der Lage des Drehgestells 4 ist für das Bedienungspersonal an geeigneter Stelle des Fahrzeuges ein Ubellen-Anzeigerät mit polarer Skala angebracht Für die automatische Steuerung der Lagerringe eignen sich alle Netz- und Regelgeräte, die in der Lage sind, die Größe des Neigungswinkels der schiefer. Ebene und deren Lage zum Fahrzeug zu erfassen und danach durch Drehen der Lagerringe das Drehgestell 4 auszurichten.the operating personnel of the turntable ladder 1 set Zur The operator can check the position of the bogie 4 at a suitable point in the vehicle A level indicator with a polar scale is attached for the automatic control of the bearing rings All power supplies and control devices are suitable, which are able to measure the size of the angle of inclination of the oblique. level and to detect their position in relation to the vehicle and then the bogie 4 by rotating the bearing rings align.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (2)

Patentansprüche:Patent claims: 1. Vorrichtung zum lotrechten Ausrichten der Hochachse eines mit einem Untergestell dreh- und s neigungsverstellbar verbundenen hjhenveränderlichen Arbeitsgerätes, z. B. einer mehrteiligen Feuerwehrleiter, mit einem am Untergestell angeordneten Traglager und einem am Arbeitsgerät angeordneten Drehgestellager sowie einem beide Lager gleich- oder gegensinnig drehbar miteinander verbindenden, um einen Winkel α gegenüber der Senkrechten geneigt liegenden Hauptlager, dadurch gekennzeichnet, daß das Trag- (13) und das Drehgestellager (12) koaxial zueinander und in einer gemeinsamen Ebene liegend angeordnet sind, wobei der Innenring (44) des Traglagers und der Außenring (43) des Drehgestellagers über das um die geneigte Drehachse (7) schwenkbare Hauptiager (11) verbunden sind.1. Device for the vertical alignment of the vertical axis of a rotating and s inclination-adjustable connected height-adjustable working device, e.g. B. a multi-part fire ladder, with a support bearing arranged on the underframe and one arranged on the implement Bogie bearings as well as one connecting both bearings rotatably in the same direction or in opposite directions, Main bearing inclined at an angle α with respect to the vertical, characterized in that that the support (13) and the bogie bearing (12) are arranged coaxially to one another and lying in a common plane, wherein the inner ring (44) of the support bearing and the outer ring (43) of the bogie bearing over the inclined Axis of rotation (7) pivotal main bearing (11) connected are. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß zur Bildung des Hauptlagers (U) der Außenring (43) des Drehgestellagers (12) einen in einer zur geneigten Drehachse (7) senkrechten Ebene konzentrisch umlaufenden Steg (45) aufweist, der in einer entsprechend verlaufenden Nut (46) im Innenring (44) des Traglagers (13) zwischen Wälzkörpern (47) geführt ist.2. Apparatus according to claim 1, characterized in that the formation of the main bearing (U) The outer ring (43) of the bogie bearing (12) is one perpendicular to the inclined axis of rotation (7) Has plane concentric circumferential web (45) which is in a correspondingly extending groove (46) in the Inner ring (44) of the support bearing (13) is guided between rolling elements (47).
DE2357470A 1973-11-17 1973-11-17 Device for the vertical alignment of the vertical axis of a height-adjustable working device, e.g. a multi-part fire brigade ladder Expired DE2357470C3 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2357470A DE2357470C3 (en) 1973-11-17 1973-11-17 Device for the vertical alignment of the vertical axis of a height-adjustable working device, e.g. a multi-part fire brigade ladder
GB45876/74A GB1487935A (en) 1973-11-17 1974-10-23 Apparatus comprising a rescue appliance
FR7437803A FR2251699B1 (en) 1973-11-17 1974-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2357470A DE2357470C3 (en) 1973-11-17 1973-11-17 Device for the vertical alignment of the vertical axis of a height-adjustable working device, e.g. a multi-part fire brigade ladder

Publications (3)

Publication Number Publication Date
DE2357470A1 DE2357470A1 (en) 1975-05-22
DE2357470B2 true DE2357470B2 (en) 1977-06-16
DE2357470C3 DE2357470C3 (en) 1980-04-10

Family

ID=5898379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2357470A Expired DE2357470C3 (en) 1973-11-17 1973-11-17 Device for the vertical alignment of the vertical axis of a height-adjustable working device, e.g. a multi-part fire brigade ladder

Country Status (3)

Country Link
DE (1) DE2357470C3 (en)
FR (1) FR2251699B1 (en)
GB (1) GB1487935A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830515C2 (en) * 1978-07-12 1980-05-29 Magirus-Deutz Ag, 7900 Ulm Device for the automatic control of the adjusting rings provided on the bogie of a height-adjustable working device for the vertical alignment of the vertical axis of the device structure connected via the bogie
US4565486A (en) * 1982-09-29 1986-01-21 Timbco Hydraulics Inc. Device for handling material
SE435652B (en) * 1982-12-29 1984-10-08 Ericsson Telefon Ab L M DEVICE FOR ADJUSTING THE PLAN OF A DEVICE PLATFORM IN AN ELECTIBLE SLEEP
DD218327A1 (en) * 1983-04-06 1985-02-06 Schwermaschinenbau S M Kirow L DEVICE FOR BANKING VEHICLES, ESPECIALLY RAILWAY CRANES
JPS60118600A (en) * 1983-11-30 1985-06-26 森田ポンプ株式会社 Turntable functioning as correction of inclination in combination of height service car
AT388154B (en) * 1984-08-23 1989-05-10 Morita Fire Pump Mfg TURNING BLOCK FOR A VEHICLE FOR CARRYING OUT WORK AT UPPER SITES
FR2588049B1 (en) * 1985-10-02 1989-06-02 Snecma DEVICE FOR ANGULAR ORIENTATION AND POSITIONING OF THE ROTATION AXIS OF A ROTATING LOAD
DE3540666C2 (en) * 1985-11-16 1995-04-27 Iveco Magirus Device for the vertical alignment of the vertical axis of a structure connected to a base frame so that it can be rotated and tilted
US5082085A (en) * 1990-08-30 1992-01-21 Up-Right, Inc. Platform leveling apparatus
FI922465A0 (en) * 1992-05-29 1992-05-29 Aulis Koivisto INSTAELLBAR LED.
DE4445900A1 (en) * 1994-12-22 1996-06-27 Metz Feuerwehrgeraete Gmbh Terrain compensation device
FR2774515A1 (en) * 1998-01-30 1999-08-06 Engineering Et De Representati Aerial mounting bracket for use on pylon or building with inclined surface
JP4493767B2 (en) 1999-11-25 2010-06-30 Ｔｈｋ株式会社 Universal joint
US7699328B2 (en) 2007-07-16 2010-04-20 Timberpro Inc. Retractable step for cab of mobile machine
WO2009064687A1 (en) 2007-11-12 2009-05-22 Timberpro, Inc. Tilt device for a material handling machine
CN102431916B (en) * 2011-12-21 2014-07-23 上海三一科技有限公司 Ring rail adjustable supporting device and crane containing same
EP2815033B1 (en) 2013-08-27 2016-08-17 BAUER Spezialtiefbau GmbH Earthboring implement and method for earthboring
CN108821142A (en) * 2018-08-02 2018-11-16 合肥市春华起重机械有限公司 A kind of loop wheel machine and manipulator
CN110902617B (en) * 2019-12-12 2021-02-26 苏州中创铝业有限公司 Safe ladder of ascending a height convenient to remove
CN110980561B (en) * 2019-12-16 2020-11-03 江苏航运职业技术学院 Harbour crane jib loading boom slewer
CN115435203A (en) * 2022-11-07 2022-12-06 青岛镭测创芯科技有限公司 High-reliability swing table

Also Published As

Publication number Publication date
FR2251699A1 (en) 1975-06-13
DE2357470A1 (en) 1975-05-22
DE2357470C3 (en) 1980-04-10
GB1487935A (en) 1977-10-05
FR2251699B1 (en) 1977-07-08

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: IVECO MAGIRUS AG, 7900 ULM, DE

8339 Ceased/non-payment of the annual fee