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WO2006018011A1 - Tete de trepied pour cameras de cinema et de television et autres appareils - Google Patents

Tete de trepied pour cameras de cinema et de television et autres appareils Download PDF

Info

Publication number
WO2006018011A1
WO2006018011A1 PCT/DE2005/001429 DE2005001429W WO2006018011A1 WO 2006018011 A1 WO2006018011 A1 WO 2006018011A1 DE 2005001429 W DE2005001429 W DE 2005001429W WO 2006018011 A1 WO2006018011 A1 WO 2006018011A1
Authority
WO
WIPO (PCT)
Prior art keywords
springs
rotor
stator
tripod head
rocker
Prior art date
Application number
PCT/DE2005/001429
Other languages
German (de)
English (en)
Inventor
Andreas Fitz
Original Assignee
Panther Gmbh
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 Panther Gmbh filed Critical Panther Gmbh
Priority to DE112005002602T priority Critical patent/DE112005002602A5/de
Publication of WO2006018011A1 publication Critical patent/WO2006018011A1/fr

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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • 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
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/041—Balancing means for balancing rotational movement of the head

Definitions

  • the invention relates to a tripod head for FiIm- and television cameras and other devices according to the preamble of claim 1.
  • Such tripod heads have a stator and a pivotable about a horizontal pivot axis about the stator rotor, which receives the camera or the device, and a arranged between the stator and the rotor spring assembly, which exerts a counter to the resulting by the weight of the camera torque restoring force during pivoting of the rotor, so that the camera or the device is kept stable in each pivot position.
  • Such a tripod head with weight compensation is e.g. known from DE-A 27 549 83.
  • the device for weight compensation in this case has two acting in the opposite direction, preferably oppositely wound coil springs, which are arranged in a connectable to the stator module and compensate for a pivotal movement of the rotor in both directions in each case the torque generated by the weight of the rotor with the camera.
  • coil springs can be used in accordance with DE-Al-101 64 368 bending springs, which are supported at its one end to the stator and at its other end to the rotor.
  • balancing devices with two coil springs are known, which extend on both sides of the pivot axis of the tripod head and each supported on end plates; see. DE-C2-32 11 372.
  • a compensating device in which a connected to the pivot axis of the rotor cam is connected, which acts according to its rotational position on a compression spring progressively.
  • tripod heads are known with a compensating device in which in addition to two coil springs fixed to the stator there is provided a tensioning cable connected thereto and connected by rollers, the ends of which are connected to two fixed points of the rotor located on opposite sides of the rotor centerline; see. US-B1-6, 328, 487.
  • the invention is based on the objects, a tripod head with a compensating device for the Specify the weight of the camera or the device, which is simple in design and allows a smooth pivoting movement even when changing the pivoting direction.
  • the compensating device should be adapted, at least to a certain extent, to the weight of the camera received on the rotor.
  • a spring arrangement is provided with two parallel and vertically extending compression springs which are supported in each case with their first end in the stator on both sides of the pivot axis and on whose second ends in each case one arm of an eccentric rock rests.
  • the pivot or pressure axis of the eccentric rocker is located between the two springs, is horizontal and parallel to the pivot or pressure axis of the rotor.
  • Torque and restoring force are sinusoidal, plotted over the swivel angle.
  • springs coil springs or disc springs are used, the latter in particular as disc spring packages, which are arranged around guide tubes. Disc springs also have approximately linear properties in the limit region. Other spring arrangements are possible.
  • the ends of the springs, which are supported on the stator adjustable by means of a Einstell ⁇ device in position, so that the bias of the compression springs by shortening or lengthening the springs on the Weight of the mounted on the rotor device is adjustable.
  • the eccentric rocker located between the compression springs foot part, engages in the lower, the adjusting end of the eccentric, wherein at the upper end of the foot two firmly connected to this and oppositely extending rocker arms are provided, each on one of the compression springs rest.
  • This construction has the advantage that it has only a small height, so that the entire counterbalancing device can be accommodated in a small space.
  • no parts necessary for equalizing the weight are provided except for the arms of the eccentric rocker: all the elements essential for weight compensation are arranged between the compression springs.
  • the foot of the rocker may be formed as a connecting rod, the rocker and eccentric connects to each other and is connected on the sides of the rocker with the rocker axis and on the other side hinged to the eccentric.
  • the rocker axis is located firmly in the tripod head and no longer floating as at a firm connection of the foot part with the rocker.
  • the rocker does not turn but loads both springs evenly. This also makes it possible to compensate for the weight of the device placed on the tripod head.
  • the adjusting device for adjusting the bias of the two compression springs preferably has a carrier with two ramps facing the bottom of the stator, whose pitch is the same but opposite. On a common, the ramps opposite base of the carrier based on the two springs. On each ramp slides a trapezoidal or wedge-shaped slide.
  • the carriages are preferably displaced by means of a threaded bolt which has a right-hand thread symmetrically about its center on one side and a left-hand thread on the other side which engage in corresponding threads in the carriage.
  • the threaded bolt is firmly connected, for example, with a rotary handle which is located outside of the stator. By rotating the knob, the slides slide on the ramps of the carrier and move it up or down, whereby the bias of Springs changed and the weight compensation device can be adapted to different weights of the device.
  • FIG. 1 shows a partially sectioned cross section through a first embodiment of a tripod head according to the invention
  • Figure 2 a cross section through a tripod head according to a second embodiment.
  • a tripod head 1 according to Figure 1, a stator 2 and a rotor 3, which can be pivoted about a mounted in the stator 2 horizontal pivot shaft 4 with a pivot axis 5 in the direction of the double arrow P.
  • a device in this case a camera 6 is attached, which is only partially shown.
  • the stator 2 has a base plate 7, which can be connected to a camera stand via a rotary plate, not shown, so that the tripod head in the stand can still be pivoted about a vertical axis of rotation.
  • a device 8 is arranged to balance the weight, which during pivoting the camera 6 compensated torque compensated and keeps the camera stable in each pivot position.
  • This weight balancing device 8 has two coil springs 9, which are arranged symmetrically on one side of the horizontal pivot axis 5, extend vertically and are supported on their, in the figure lower ends on an "upper" substantially flat base 10 of a support 11.
  • the carrier has a trapezoidal symmetrical cross-section with a base surface 10 opposite the roof surface 12 and two the base and roof surface 10, 12 connecting ramps 13, wherein between these ramps 13 and the base 12 an acute angle of about 25 ° to 30 °.
  • the trapezoidal or wedge-shaped carriages 14 slide on a horizontal bottom surface 16 of the base plate 7 along a horizontal axis which is perpendicular to the pivot axis 5 and can be displaced in opposite directions by means of a threaded bolt 17 on the bottom surface along the horizontal double arrows P1.
  • the threaded bolt 17 is mounted at its two ends in the stator. It has symmetrical to its center on one side of a left-hand thread 18 and on the other side a right-hand thread 19, which engage respectively in corresponding threads in the two carriages 14.
  • One end 20 of the threaded bolt is passed through the wall of the stator and connected to a rotary handle 21 outside the stator.
  • the knob By turning the knob, the carriages 14 can move in opposite directions be moved so that the carrier 11 is raised or lowered according to the movement of the carriage, whereby the total length of the coil springs and thus their bias is changed.
  • the upper ends of the coil springs 9 are each supported on a horizontally extending arm 22 of an eccentric rocker 23.
  • the eccentric rocker 23 has between the two arms 22 downwardly in the direction of the base plate of the stator extending foot portion 24 which is located symmetrically between the two coil springs 9 and extends approximately over two thirds of the length of the coil springs 9.
  • the foot part 24 has approximately in its center a receiving opening 25 into which an eccentric 26 engages.
  • the eccentric 26 is fixedly connected to the pivot shaft 4 of the rotor 3 and is fixedly connected in the illustrated rest position of the tripod head on the underside of the pivot shaft 4 of the rotor.
  • the eccentric 26 engages torsionally in the receiving opening 25 of the foot part 24, wherein the central axis of the eccentric rocker axis 27 is located in the illustrated rest position of the tripod head below the pivot axis 5 of the tripod head and parallel to this.
  • the eccentric rocker 23 is rotated progressively counterclockwise and pushes the left in the figure coil spring 9, while relaxed in the figure right coil spring.
  • the left helical spring 9 exerts on the rotor from a torque of the rotor with the camera counteracting moment, wherein by the Arrangement of the eccentric 26 of this torque just compensated and the camera is kept stable in each pivot position.
  • the bias of the coil springs 9 is changed by pushing up or down the carrier 11 along the vertical arrow P2. This is done by the two carriages 14 are moved in opposite directions along the double arrows Pl along the ramps 13 by the rotary handle 21 is rotated so that the carriage 14 along the left or right-hand thread 18, 19 of the threaded bolt 17 move in opposite directions. In the illustrated rest position of the tripod head, the two carriages 14 abut respectively on the outer sides of the stator 2. If the carriages are displaced inwards in opposite directions by turning the handle 21, the carrier is displaced upward along the arrow P2, so that the bias of the two springs 9 is increased and adapted to an increased weight of the camera 6.
  • FIG. 2 shows a schematic representation of a second arrangement for weight compensation.
  • the coil springs used there are replaced by a respective package 9 'of a plurality of stacked disc springs 30, each having a central opening, which are pushed onto guide tubes 31.
  • the guide tubes engage through the arms of the rocker 23.
  • the arms of the rocker slide on the guide tubes.
  • the guide tubes are based on the arms of the rocker opposite, lower sides on the support 11 of the ramp assembly described above, as well as the disc springs.
  • the disc springs of the plate spring package are based on the opposite upper side of the arms of the rocker 23.
  • the eccentric is connected to the main shaft 4 as above.
  • the rocker 23 is pivotable centrally between the two spring assemblies in the stator about a centrally located bearing 32. With this bearing 32, a connecting rod 24 'is 29wenbar connected, which corresponds to the foot part 24 according to the above embodiment. The other end of the connecting rod 24 'is connected to the eccentric 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories Of Cameras (AREA)

Abstract

Tête de trépied qui possède un stator (2) et un rotor (3) pouvant basculer autour du stator, autour d'un axe de basculement horizontal (5) d'un arbre principal (4), et destiné à recevoir la caméra ou l'appareil. Un ensemble ressorts (9) situé entre le stator et le rotor exerce une force de rappel agissant contre le couple de rotation créé par le basculement du rotor, si bien que la caméra ou l'appareil est maintenu stable dans chaque position de basculement. Ledit ensemble ressorts est constitué de deux ressorts de pression (9, 9') essentiellement parallèles qui s'appuient au niveau de leur première extrémité sur le stator (2), des deux côtés de l'axe de basculement (5) du rotor, et sur chacun desquels repose un bras (22) de bascule (23) à excentrique au niveau de sa seconde extrémité, l'axe (27, 32) de la bascule s'étendant entre les deux ressorts, horizontalement et parallèlement à l'axe (5) de basculement du rotor. L'arbre principal (4) porte un excentrique (26) qui se trouve en contact avec la bascule.
PCT/DE2005/001429 2004-08-14 2005-08-12 Tete de trepied pour cameras de cinema et de television et autres appareils WO2006018011A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112005002602T DE112005002602A5 (de) 2004-08-14 2005-08-12 Stativkopf für Film- und Fernsehkameras und andere Geräte

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004039571A DE102004039571A1 (de) 2004-08-14 2004-08-14 Stativkopf für Film- und Fernsehkameras und andere Geräte
DE102004039571.3 2004-08-14

Publications (1)

Publication Number Publication Date
WO2006018011A1 true WO2006018011A1 (fr) 2006-02-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2005/001429 WO2006018011A1 (fr) 2004-08-14 2005-08-12 Tete de trepied pour cameras de cinema et de television et autres appareils

Country Status (2)

Country Link
DE (1) DE102004039571A1 (fr)
WO (1) WO2006018011A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1983250A3 (fr) * 2007-04-17 2009-08-12 Camera Dynamics GmbH Tête de support
CN104859812A (zh) * 2015-05-05 2015-08-26 上海大学 一种可自适应调节的水平云台
CN108571641A (zh) * 2018-07-17 2018-09-25 安徽艾塔智能科技有限公司 一种便于安装的电梯专用摄像机
CN109388000A (zh) * 2018-09-19 2019-02-26 高新兴科技集团股份有限公司 监控云台的减震装置和具有其的监控云台
CN111043233A (zh) * 2019-12-24 2020-04-21 北华大学 一种多功能机械设备支撑座

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036596A1 (de) * 2006-07-14 2008-01-17 Movie Tech Ag Kamerawagen mit lenkbaren Vorder- und/oder Hinterrädern
CN111120838A (zh) * 2019-12-11 2020-05-08 陕西铭泊停车服务有限公司 一种停车场用监控装置

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083524A (en) * 1976-09-10 1978-04-11 Oconnor Chadwell Panhead drag mechanism
DE2754983A1 (de) 1977-12-09 1979-06-13 Sachtler Filmtech Geraete Vorrichtung zum gewichtsausgleich einer auf einem schwenkbaren stativ befestigten film- oder fernsehkamera
DE2952660A1 (de) * 1979-12-28 1981-07-02 Antonin 8000 München Danek Vorrichtung zum ausgleich von drehmomenten
DE3018268A1 (de) 1979-05-19 1981-10-01 W. Vinten Ltd., Bury-Saint-Edmunds, Suffolk Drehmomentausgleichvorrichtung
DE3211372A1 (de) 1981-04-03 1982-12-02 W. Vinten Ltd., Bury-Saint-Edmunds, Suffolk Kippbefestigungskopf mit geringem gewicht
EP0349948A1 (fr) * 1988-07-06 1990-01-10 Philippe Vogt Tête de support
DE3908682A1 (de) * 1989-03-16 1990-10-04 Sachtler Kommunikationstech Vorrichtung zum ausgleich des gewichtes eines um eine nickachse zu schwenkenden gegenstandes, insbesondere einer film- oder fernsehkamera
DE4033398A1 (de) * 1989-10-20 1991-05-23 Q Co Industries Gelenkkopf fuer eine kamera oder dergleichen
US5389972A (en) * 1992-02-28 1995-02-14 Sachtler Aktiengesellschaft-Kommunikationstechnik Support head for television or motion-picture cameras for horizontal and azimuthal panning shots, having a damping member and a balancing member of variable intensity
US5605101A (en) * 1992-09-15 1997-02-25 Vitec Group, Plc Tiltable payload mounting
US6328487B1 (en) 1998-07-29 2001-12-11 Cartoni S.P.A. Vertical plane counterbalancing structure, particularly for support heads for television or motion picture cameras
US6364275B1 (en) * 1997-02-12 2002-04-02 Vitec Group, Plc Rotary load counterbalancing mechanisms
DE10164368A1 (de) 2001-01-05 2003-06-18 Sachtler Gmbh & Co Kg Kamerastativkopf mit Gewichtsausgleich
WO2003076844A1 (fr) * 2002-03-13 2003-09-18 Sachtler Gmbh & Co. Kg Tete de trepied, en particulier tete de trepied pour appareil photographique

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083524A (en) * 1976-09-10 1978-04-11 Oconnor Chadwell Panhead drag mechanism
DE2754983A1 (de) 1977-12-09 1979-06-13 Sachtler Filmtech Geraete Vorrichtung zum gewichtsausgleich einer auf einem schwenkbaren stativ befestigten film- oder fernsehkamera
DE3018268A1 (de) 1979-05-19 1981-10-01 W. Vinten Ltd., Bury-Saint-Edmunds, Suffolk Drehmomentausgleichvorrichtung
DE2952660A1 (de) * 1979-12-28 1981-07-02 Antonin 8000 München Danek Vorrichtung zum ausgleich von drehmomenten
DE3211372A1 (de) 1981-04-03 1982-12-02 W. Vinten Ltd., Bury-Saint-Edmunds, Suffolk Kippbefestigungskopf mit geringem gewicht
EP0349948A1 (fr) * 1988-07-06 1990-01-10 Philippe Vogt Tête de support
DE3908682A1 (de) * 1989-03-16 1990-10-04 Sachtler Kommunikationstech Vorrichtung zum ausgleich des gewichtes eines um eine nickachse zu schwenkenden gegenstandes, insbesondere einer film- oder fernsehkamera
DE4033398A1 (de) * 1989-10-20 1991-05-23 Q Co Industries Gelenkkopf fuer eine kamera oder dergleichen
US5389972A (en) * 1992-02-28 1995-02-14 Sachtler Aktiengesellschaft-Kommunikationstechnik Support head for television or motion-picture cameras for horizontal and azimuthal panning shots, having a damping member and a balancing member of variable intensity
US5605101A (en) * 1992-09-15 1997-02-25 Vitec Group, Plc Tiltable payload mounting
US6364275B1 (en) * 1997-02-12 2002-04-02 Vitec Group, Plc Rotary load counterbalancing mechanisms
US6328487B1 (en) 1998-07-29 2001-12-11 Cartoni S.P.A. Vertical plane counterbalancing structure, particularly for support heads for television or motion picture cameras
DE10164368A1 (de) 2001-01-05 2003-06-18 Sachtler Gmbh & Co Kg Kamerastativkopf mit Gewichtsausgleich
WO2003076844A1 (fr) * 2002-03-13 2003-09-18 Sachtler Gmbh & Co. Kg Tete de trepied, en particulier tete de trepied pour appareil photographique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1983250A3 (fr) * 2007-04-17 2009-08-12 Camera Dynamics GmbH Tête de support
US7878465B2 (en) 2007-04-17 2011-02-01 Camera Dynamics Gmbh Tripod head
CN104859812A (zh) * 2015-05-05 2015-08-26 上海大学 一种可自适应调节的水平云台
CN108571641A (zh) * 2018-07-17 2018-09-25 安徽艾塔智能科技有限公司 一种便于安装的电梯专用摄像机
CN109388000A (zh) * 2018-09-19 2019-02-26 高新兴科技集团股份有限公司 监控云台的减震装置和具有其的监控云台
CN111043233A (zh) * 2019-12-24 2020-04-21 北华大学 一种多功能机械设备支撑座
CN111043233B (zh) * 2019-12-24 2022-05-31 北华大学 一种多功能机械设备支撑座

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