WO1999031549A1 - Device for flatly displacing in all directions a support, with quick locking means - Google Patents

Device for flatly displacing in all directions a support, with quick locking means Download PDF

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Publication number
WO1999031549A1
WO1999031549A1 PCT/IT1998/000340 IT9800340W WO9931549A1 WO 1999031549 A1 WO1999031549 A1 WO 1999031549A1 IT 9800340 W IT9800340 W IT 9800340W WO 9931549 A1 WO9931549 A1 WO 9931549A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
locking
support
flat support
coupled
Prior art date
Application number
PCT/IT1998/000340
Other languages
French (fr)
Inventor
Massimo Benatti
Giancarlo Gardin
Original Assignee
Massimo Benatti
Giancarlo Gardin
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 Massimo Benatti, Giancarlo Gardin filed Critical Massimo Benatti
Priority to JP2000539383A priority Critical patent/JP2002508537A/en
Priority to US09/581,405 priority patent/US6505992B1/en
Priority to AU15770/99A priority patent/AU1577099A/en
Priority to DE69801340T priority patent/DE69801340T2/en
Priority to EP98960092A priority patent/EP1040386B1/en
Publication of WO1999031549A1 publication Critical patent/WO1999031549A1/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/04—Vertical adjustment of lens; Rising fronts
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/591—Manually releaseable latch type having operating mechanism
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/591—Manually releaseable latch type having operating mechanism
    • Y10T403/592—Ball detent
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/591—Manually releaseable latch type having operating mechanism
    • Y10T403/595—Lever

Definitions

  • the present invention relates to a device for flatly displacing, in all directions, a support, with quick locking means .
  • the aim of the present invention is to solve the above mentioned problem, by providing a device for flatly displacing in all directions a support, with quick locking means, allowing the support to be displaced in all directions of its orbit, inside a region delimited, for example, by a set circle, and which is not affected by restraining guides and/or racks and which, accordingly, must not perform rigid displacements along cartesian axes.
  • a main object of the present invention is to provide such a displacement device, in which the support can be locked at a set position, in a very quick and safe manner, without the need of performing particular adjustment operations.
  • Another object of the present invention is to provide such a displacement device which can be specifically used in the photographic, cinematographic and television fields, in order to displace an optics assembly with respect to a body of a camera.
  • Yet another object of the present invention is to provide such a displacement device which is very reliable and safe in operation and which, moreover, is very competitive from a mere economic standpoint.
  • a device for flatly displacing in all directions a support, with quick locking means characterized in that said device comprises a flat support housed in a casing, defining the displacement region of said flat support.
  • a locking body operatively associated with a locking driving element which can be accessed from the outside of said casing, is overlapped.
  • Figure 1 is a schematic exploded perspective view illustrating the displacement device according to the invention
  • Figure 2 is an exploded cross sectional view illustrating that same device
  • Figure 3 is a cross sectional view, taken along a diametrical plane, showing the subject device
  • Figure 4 is a top plan view showing the subject device
  • Figure 5 is a further cross-sectional view, taken along a diametrical plane, of the subject device, this view clearly showing the displacement of the support;
  • Figure 6 is a top plan view of the subject device, this view clearly showing the displacement of the support;
  • Figure 7 illustrates the locking driving element in a unlocked position thereof
  • Figure 8 is a cross-sectional view illustrating the locking driving element in a locking position thereof
  • FIGS 8 and 10 illustrate, respectively, the locking means in their unlocking and locking positions.
  • the device for flatly displacing in all directions a support, with quick locking means, according to the present invention which has been generally indicated by the reference number 1, can be used in a lot of different applications .
  • the device comprises a flat support 2 which, advantageously, includes a disc-like element having an opening 3, where are provided connecting means 4, for example threaded connecting means , for connecting a lens or objective.
  • Said flat support 2 is housed inside a casing, defining the displacement region of said flat support, and including an annular base 10, coupled to an annular cover 11, to which a clutch 12, for providing connection with a photocamera, is axially coupled.
  • a locking body On the flat support 2 is provided a locking body, including a locking ring element 15, arranged inside a pulling ring 16, which in turn is housed in said casing and coupled to said locking body, as generally indicated by the reference number 20. The latter is coupled to the casing.
  • the locking body is provided with a tie-rod 21, having cross-members 22 engaging in a recess 23, formed on the pulling ring, and with a threaded portion 24 rotatably coupled to a ring-nut 26 having an inner thread 27, and being rotatably supported by a base 28 applied on the peripheral portion of the base 10.
  • the ring nut 27 is provided with teeth 29 for engaging with corresponding teeth 30 of an operating lever 31 which, as it is actuated, will cause the ring nut 26 to turn and, accordingly, owing to the engagement with the thread 24, the translation of the tie-rod 21 and a translation in a diametrical direction of the pulling ring.
  • the latter holds in its inside the locking ring 15 and drives the locking means comprising small balls 40 arranged between the conically tapering bushes 41 and 42, respectively provided on the base 10 and on the locking ring 15, or any other suitable locking element.
  • the balls 40 or other like elements, in a unlocking condition, are housed in said conical tapered portions, whereas, as a pulley force is applied, then a pushing action operating between the base 10 and locking ring 15 will be provided, said locking ring being pushed against the flat support 2 which, accordingly, will be locked against the cover 11.
  • an anti-friction ring 50 is moreover provided, said anti-friction ring being associated with the locking ring 15, or any other suitable locking elements, on the face thereof turning the flat support 2, as well as a supporting ring 51 engaging on an abutment 52 defined by the cover 11, which will practically operate as a support for the locking assembly.
  • the support body 2 With the device in a unlocking position, the support body 2 can freely move along the orbit defined by the cover 11, the movement of said support body being not affected by retainment forces as due to guides or the like.
  • said locking ring because of the coupling action due to the locking means formed by said small balls 40, will provide a pressing force against the flat support 2, thereby firmly locking said flat support in its desired position.
  • a displacement device which is very simple construction-wise and is very suitable for application in a photographic, cinematographic and television field, since the cover 11 can be provided with a clutch for coupling it to the camera, and the flat support 2 can be provided with an inside thread or clutch for a lens, which can be consequently easily offset from the optical axis, with the possibility of easily obtaining a free flat displacement in the region delimited by the cover 11.
  • the used materials, as well as the contingent size and shapes can be any, depending on requirements.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Accessories Of Cameras (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Sewing Machines And Sewing (AREA)
  • Chain Conveyers (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Lens Barrels (AREA)

Abstract

The present invention relates to a device for flatly displacing in all directions a support, with quick locking means, the main feature of which is that it comprises a flat support housed in a casing, delimiting the displacement region of said flat support. On the flat support a locking body operatively associated with a locking driving element which can be accessed from the outside of the casing is overlapped.

Description

DEVICE FOR FLATLY DISPLACING IN ALL DIRECTIONS A SUPPORT, WITH QUICK LOCKING MEANS
BACKGROUND OF THE INVENTION
The present invention relates to a device for flatly displacing, in all directions, a support, with quick locking means .
As is known, in order to allow a restraining support to be displaced according to set directions, are conventionally used guides or racks, compelling said support to be driven along rigid directions deriving from the combination in a plane of the Cartesian axes, and which constitute a limitation to a free displacement of the support.
SUMMARY OF THE INVENTION
The aim of the present invention is to solve the above mentioned problem, by providing a device for flatly displacing in all directions a support, with quick locking means, allowing the support to be displaced in all directions of its orbit, inside a region delimited, for example, by a set circle, and which is not affected by restraining guides and/or racks and which, accordingly, must not perform rigid displacements along cartesian axes. Within the scope of the above mentioned aim, a main object of the present invention is to provide such a displacement device, in which the support can be locked at a set position, in a very quick and safe manner, without the need of performing particular adjustment operations.
Another object of the present invention is to provide such a displacement device which can be specifically used in the photographic, cinematographic and television fields, in order to displace an optics assembly with respect to a body of a camera.
Yet another object of the present invention is to provide such a displacement device which is very reliable and safe in operation and which, moreover, is very competitive from a mere economic standpoint.
According to one aspect of the present invention, the above mentioned aim and objects, as well as yet other objects, which will become more apparent hereinafter, are achieved by a device for flatly displacing in all directions a support, with quick locking means, characterized in that said device comprises a flat support housed in a casing, defining the displacement region of said flat support.
On said flat support a locking body, operatively associated with a locking driving element which can be accessed from the outside of said casing, is overlapped.
BRIEF DESCRIPTION OF THE DRAWINGS
Further characteristics and advantages of the present invention will become more apparent hereinafter from the following detailed disclosure of a preferred, though not exclusive, embodiment of a device for flatly displacing in all directions a support, with quick locking means, which is illustrated, by way of an indicative, but not limitative, example, in the accompanying drawings, where :
Figure 1 is a schematic exploded perspective view illustrating the displacement device according to the invention; Figure 2 is an exploded cross sectional view illustrating that same device;
Figure 3 is a cross sectional view, taken along a diametrical plane, showing the subject device;
Figure 4 is a top plan view showing the subject device;
Figure 5 is a further cross-sectional view, taken along a diametrical plane, of the subject device, this view clearly showing the displacement of the support; Figure 6 is a top plan view of the subject device, this view clearly showing the displacement of the support;
Figure 7 illustrates the locking driving element in a unlocked position thereof; Figure 8 is a cross-sectional view illustrating the locking driving element in a locking position thereof; and
Figures 8 and 10 illustrate, respectively, the locking means in their unlocking and locking positions.
DESCRIPTION OF THE PREFERRED EMBODIMENT
With reference to the number references of the above mentioned figures, the device for flatly displacing in all directions a support, with quick locking means, according to the present invention, which has been generally indicated by the reference number 1, can be used in a lot of different applications .
In the following disclosure, will be disclosed an embodiment of the device which has been specifically designed for displacing photographic lenses, and this only by way of a not limitative example .
The device comprises a flat support 2 which, advantageously, includes a disc-like element having an opening 3, where are provided connecting means 4, for example threaded connecting means , for connecting a lens or objective.
Said flat support 2 is housed inside a casing, defining the displacement region of said flat support, and including an annular base 10, coupled to an annular cover 11, to which a clutch 12, for providing connection with a photocamera, is axially coupled. On the flat support 2 is provided a locking body, including a locking ring element 15, arranged inside a pulling ring 16, which in turn is housed in said casing and coupled to said locking body, as generally indicated by the reference number 20. The latter is coupled to the casing.
The locking body is provided with a tie-rod 21, having cross-members 22 engaging in a recess 23, formed on the pulling ring, and with a threaded portion 24 rotatably coupled to a ring-nut 26 having an inner thread 27, and being rotatably supported by a base 28 applied on the peripheral portion of the base 10.
The ring nut 27 is provided with teeth 29 for engaging with corresponding teeth 30 of an operating lever 31 which, as it is actuated, will cause the ring nut 26 to turn and, accordingly, owing to the engagement with the thread 24, the translation of the tie-rod 21 and a translation in a diametrical direction of the pulling ring.
The latter holds in its inside the locking ring 15 and drives the locking means comprising small balls 40 arranged between the conically tapering bushes 41 and 42, respectively provided on the base 10 and on the locking ring 15, or any other suitable locking element.
The balls 40 or other like elements, in a unlocking condition, are housed in said conical tapered portions, whereas, as a pulley force is applied, then a pushing action operating between the base 10 and locking ring 15 will be provided, said locking ring being pushed against the flat support 2 which, accordingly, will be locked against the cover 11.
In this connection it should be pointed out that an anti-friction ring 50 is moreover provided, said anti-friction ring being associated with the locking ring 15, or any other suitable locking elements, on the face thereof turning the flat support 2, as well as a supporting ring 51 engaging on an abutment 52 defined by the cover 11, which will practically operate as a support for the locking assembly. With the device in a unlocking position, the support body 2 can freely move along the orbit defined by the cover 11, the movement of said support body being not affected by retainment forces as due to guides or the like.
Upon having set a desired position for the flat support 2, it will be possible to simply lock it by operating the lever 31 which, by pulling the pulling ring 16, will cause the locking ring 15 to be displaced.
Thus, said locking ring, because of the coupling action due to the locking means formed by said small balls 40, will provide a pressing force against the flat support 2, thereby firmly locking said flat support in its desired position.
From the above disclosure it should be apparent that the invention fully achieves the intended aim and objects. In particular, the fact is to be pointed out that a displacement device has been provided, which is very simple construction-wise and is very suitable for application in a photographic, cinematographic and television field, since the cover 11 can be provided with a clutch for coupling it to the camera, and the flat support 2 can be provided with an inside thread or clutch for a lens, which can be consequently easily offset from the optical axis, with the possibility of easily obtaining a free flat displacement in the region delimited by the cover 11.
The invention, as disclosed, is susceptible to several modifications and variations, all of which will come within the scope of the invention.
Moreover, all the constructional details can be replaced by other technically equivalent elements .
In practicing the invention, the used materials, as well as the contingent size and shapes, can be any, depending on requirements.

Claims

1. A device for flatly displacing in all directions a support, with quick locking means, characterized in that said device comprises a flat support, housed in a casing defining a displacement region of said flat support, on said flat support a locking body, operatively associated with a locking driving element which can be accessed from the outside of said casing being overlapped.
2. A device according to the preceding claim, characterized in that said flat support comprises a disc-element provided with a central hole, delimited by coupling means for coupling an optics assembly.
3. A device according to the preceding claims, characterized in that said casing comprises an annular base which can be coupled to an annular cover, to which a camera body coupling clutch is axially connected.
4. A device according to one or more of the preceding claims, characterized in that said locking body comprises a locking ring housed inside a pulling ring, coupled to the locking driving element.
5. A device according to one or more of the preceding claims, characterized in that said locking driving element comprises a tie-rod provided with a cross member which can be engaged in a recess defined on said pulling ring, at the other end thereof said tie-rod being provided with a thread engageable with an inner thread of a ring-nut, rotatably supported by a bottom portion coupled to a side surface of said base and which can be rotatably driven from the outside .
6. A device according to one or more of the preceding claims, characterized in that said ring-nut is provided with outer teeth which can be firmly coupled with a lever suitable to rotate said ring-nut.
7. A device according to one or more of the preceding claims, characterized in that said device further comprises locking means operating between said locking ring and base.
8. A device according to one or more of the preceding claims, characterized in that said locking means comprise a plurality of balls housed in frustum of cone shaped tapering portions of bushings respectively provided in said annular base and locking ring, and that the displacement of said locking ring, caused by the displacement of the pulling ring, will provide a pressing force acting perpendicular to the locking ring and causing said locking ring to abut on and lock said flat support.
9. A device according to one or more of the preceding claims, characterized in that said device comprises moreover an anti-friction ring, on that face of the locking ring facing said flat support.
10. A device according to one or more of the preceding claims, characterized in that said device comprises moreover a supporting ring, coupled to an abutment of said cover and suitable to support said pulling ring.
11. A device for flatly displacing in all directions a support, with quick locking means, according to one or more of the preceding claims, and substantially as broadly disclosed and illustrated and for the intended objects.
PCT/IT1998/000340 1997-12-16 1998-11-26 Device for flatly displacing in all directions a support, with quick locking means WO1999031549A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000539383A JP2002508537A (en) 1997-12-16 1998-11-26 Apparatus with quick-lock means for displacing the support flat in all directions
US09/581,405 US6505992B1 (en) 1997-12-16 1998-11-26 Device for flatly displacing in all directions a support, with quick locking means
AU15770/99A AU1577099A (en) 1997-12-16 1998-11-26 Device for flatly displacing in all directions a support, with quick locking means
DE69801340T DE69801340T2 (en) 1997-12-16 1998-11-26 DEVICE FOR SHIFTING A CARRIER INTO ALL DIRECTIONS WITH QUICK LOCKING UNIT
EP98960092A EP1040386B1 (en) 1997-12-16 1998-11-26 Device for flatly displacing in all directions a support, with quick locking means

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI97A002781 1997-12-16
IT97MI002781A IT1296870B1 (en) 1997-12-16 1997-12-16 DEVICE FOR FLAT MOVEMENT OF A SUPPORT IN ALL DIRECTIONS WITH QUICK LOCKING MEANS

Publications (1)

Publication Number Publication Date
WO1999031549A1 true WO1999031549A1 (en) 1999-06-24

Family

ID=11378377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT1998/000340 WO1999031549A1 (en) 1997-12-16 1998-11-26 Device for flatly displacing in all directions a support, with quick locking means

Country Status (9)

Country Link
US (1) US6505992B1 (en)
EP (1) EP1040386B1 (en)
JP (1) JP2002508537A (en)
CN (1) CN1284174A (en)
AU (1) AU1577099A (en)
DE (1) DE69801340T2 (en)
ES (1) ES2162485T3 (en)
IT (1) IT1296870B1 (en)
WO (1) WO1999031549A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020170990A1 (en) * 2001-05-16 2002-11-21 Anderson Scott W. Connector assembly for a waste line in a food waste disposer
JP3754392B2 (en) * 2002-04-24 2006-03-08 三洋電機株式会社 Lens shift mechanism and projection-type image display device
US7164546B2 (en) 2002-04-24 2007-01-16 Sanyo Electric Co., Ltd. Lens shift mechanism and projection type video display
JP3889764B2 (en) * 2005-03-28 2007-03-07 三洋電機株式会社 Projection display device
JP3889771B2 (en) * 2005-07-11 2007-03-07 三洋電機株式会社 Projection display device
JP4624449B2 (en) * 2008-08-20 2011-02-02 三洋電機株式会社 Projection display device
CN110410643B (en) * 2019-07-25 2021-08-03 济南北海软件工程有限公司 Stable form software test equipment with angle regulation function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855496A1 (en) * 1978-12-22 1980-07-03 Fotogeraetebau Karl M Novoflex Variable perspective lens for SLR camera - has tilting holder with dispersing lenses clamped between camera and objective
US4437730A (en) * 1981-10-15 1984-03-20 Trammell Pickett Camera adapter
DE3436886A1 (en) * 1984-10-08 1986-04-10 Herwig 8000 München Zörkendörfer Panoramic shift adaptor for lenses
EP0392385A2 (en) * 1989-04-14 1990-10-17 Firma Carl Zeiss Apparatus for the correction of distortions in perspective

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359849A (en) * 1963-06-18 1967-12-26 Kollmorgen Corp Optical micrometer
US3463019A (en) * 1967-11-03 1969-08-26 Melpar Inc Alignment mechanism for stream supporting elements
US4077722A (en) * 1976-02-12 1978-03-07 Bela Joseph Bicskei Precision blocking of lens blanks
US5194993A (en) * 1991-09-24 1993-03-16 Eastman Kodak Company Adjustable mount for cylindrical lens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855496A1 (en) * 1978-12-22 1980-07-03 Fotogeraetebau Karl M Novoflex Variable perspective lens for SLR camera - has tilting holder with dispersing lenses clamped between camera and objective
US4437730A (en) * 1981-10-15 1984-03-20 Trammell Pickett Camera adapter
DE3436886A1 (en) * 1984-10-08 1986-04-10 Herwig 8000 München Zörkendörfer Panoramic shift adaptor for lenses
EP0392385A2 (en) * 1989-04-14 1990-10-17 Firma Carl Zeiss Apparatus for the correction of distortions in perspective

Also Published As

Publication number Publication date
DE69801340D1 (en) 2001-09-13
AU1577099A (en) 1999-07-05
US6505992B1 (en) 2003-01-14
EP1040386A1 (en) 2000-10-04
ES2162485T3 (en) 2001-12-16
EP1040386B1 (en) 2001-08-08
ITMI972781A1 (en) 1999-06-16
DE69801340T2 (en) 2002-05-08
CN1284174A (en) 2001-02-14
IT1296870B1 (en) 1999-08-02
JP2002508537A (en) 2002-03-19

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