WO2012090336A1 - 固定装置および雲台 - Google Patents
固定装置および雲台 Download PDFInfo
- Publication number
- WO2012090336A1 WO2012090336A1 PCT/JP2010/073828 JP2010073828W WO2012090336A1 WO 2012090336 A1 WO2012090336 A1 WO 2012090336A1 JP 2010073828 W JP2010073828 W JP 2010073828W WO 2012090336 A1 WO2012090336 A1 WO 2012090336A1
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- WIPO (PCT)
- Prior art keywords
- rotating body
- tilt
- fixed
- rotating
- concave
- Prior art date
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- 230000003287 optical effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
-
- 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
- F16M11/041—Allowing quick release of the apparatus
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- 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
- F16M11/105—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis the horizontal axis being the roll axis, e.g. for creating a landscape-portrait rotation
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- 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
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical 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
- F16M11/2021—Undercarriages with or without wheels comprising means allowing pivoting adjustment 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
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/022—Locking means for rotational movement by friction
Definitions
- the present invention relates to a fixing device and a pan head for fixing an object to be attached such as an optical device.
- FIG. 6 shows a conventional pan head 1.
- a pan rotating body 3 is provided so as to be rotatable in a horizontal direction around a vertical shaft body 2 provided at the upper end of a tripod.
- a tilt rotating body 5 is provided so as to be rotatable in the vertical direction around the horizontal shaft body 4.
- the horizontal shaft body 6 is provided integrally with the tilt rotating body 5 in a direction intersecting with the horizontal shaft body 4.
- an attachment support 7 for supporting an attachment such as an optical device (for example, a camera) is provided so as to be rotatable in the vertical direction, and the pan rotation body 3 and the tilt rotation body 5 are the tilt rotation body. 5 is fastened and fixed by a one-action turning operation of the operating shaft body 9 attached through the fixing notch portion 8 provided in 5 (see, for example, Patent Document 1).
- a shaft portion 9a is loosely fitted in a hole 5a provided in one side portion of the tilt rotating body 5, and the tilt rotating body 5 is fitted to the shaft portion 9a.
- a locking portion 9b that engages with the side surface of one side is engaged, and a screw portion 9c is screwed into a screw hole 5b provided on the other side portion of the tilt rotating body 5 via a fixing cutout portion 8.
- This invention is made in view of such a point, and it aims at providing the fixing device and pan head which can prevent the angle change by fixing operation.
- the invention described in claim 1 is a cylindrical shape in which a notch for fixing is formed between one end in the circumferential direction and the other end in the circumferential direction, and one rotating body surface is formed at one end in the circumferential direction.
- an operating shaft body that clamps the fixing notch in the compressing direction.
- a base body a pan rotating body that is provided on the base body and that rotates in a horizontal direction around a vertical axis, and is provided on the pan rotating body and has one circumferential end.
- a cylindrical tilt rotating body that rotates in the vertical direction about a horizontal axis line, in which a fixing notch is formed between the other end in the circumferential direction and one rotating body surface is formed at one end in the circumferential direction
- a fixed body having the other rotating body surface rotatably fitted to the one rotating body surface of the tilt rotating body, and inserted through the fixing notch from the other circumferential end of the tilt rotating body.
- the one rotary body surface formed at one end in the circumferential direction of the tilt rotating body is a cross section along the operation direction of the operation shaft body.
- the rotating body surface of the fixed body having a shape is formed in a convex arc shape in which a section along the operation direction of the operation shaft body is fitted with the concave arc shape, and the operation shaft
- the cross section in the direction orthogonal to the body has an aspherical shape formed into a convex non-rotating shape that fits with the concave non-rotating shape.
- the other concave rotating body surface is formed at the other circumferential end of the tilt rotating body.
- the engaging body having the other convex rotating body surface that is rotatably fitted to the other concave rotating body surface is engaged.
- the other rotating body surface of the fixed body is rotatably fitted to one rotating body surface formed at one circumferential end of the rotating body, and the circumferential direction of the rotating body and the like.
- the operation shaft inserted from the end through the fixing notch is screwed into the fixed body and is rotatably engaged with the other end in the circumferential direction of the rotating body.
- the circumferential end of the rotating body and the other circumferential end of the rotating body are clamped in the direction in which the fixing notch is compressed, so that the circumferential end of the rotating body is deformed by the deformation of the rotating body that occurs when the operating shaft body is fixed.
- the angle change of the rotating body is absorbed by the relative rotational movement between one rotating body surface of the rotating body and the other rotating body surface of the fixed body, and the fixed body is fixed during the fixing operation. It is possible to prevent the angle from changing.
- one rotating body surface is formed at one circumferential end of the tilt rotating body provided on the pan rotating body, and the other rotating body surface of the fixed body rotates on the one rotating body surface.
- the operation shaft body that is movably fitted and inserted from the other circumferential end of the tilt rotating body through the fixing notch is screwed to the fixed body and is rotated to the other circumferential end of the tilt rotating body.
- the operation shaft body is fixed because the circumferentially one end and the other end in the circumferential direction of the tilt rotating body are clamped in the direction of compressing the fixing notch by the fixed operation by the rotation of the operation shaft.
- the angle change of the tilt rotating body is caused by the rotation of one of the tilt rotating bodies and the other rotating body of the fixed body. Due to the relative rotational movement between
- the fixed object can be prevented from changing in angle during the fixing operation
- the attached object supported by the support provided on the fixed object can be prevented from changing in angle
- the optical as the attached object can be prevented.
- the amount of visual field blur that the device has captured can be suppressed to a slight amount of parallel movement.
- one of the rotating body surfaces formed at one end in the circumferential direction of the tilt rotating body is formed in a circular arc shape having a concave cross section along the operation direction of the operation shaft body.
- the rotating body surface of the fixed body is formed in a convex arc shape that fits the concave arc shape in the section along the operation direction of the operation shaft body.
- the rotating body surface of the fixed body has a convex aspheric shape in which a cross section in a direction orthogonal to the operation shaft body is fitted to the concave aspheric shape. Therefore, the tilt rotating body and the fixed body are fixed by the structure that the concave and convex aspherical shape is fitted. Separate without providing a detent means can be easily and reliably prevented possibility of rotating around the axis of the fixed body operating shaft between.
- the other concave rotating body surface is formed at the other circumferential end of the tilt rotating body, and the engaging body engaged with the operation shaft body on the other concave rotating body surface. Since the other convex rotating body surface is pivotably fitted, the angle between the operating shaft body and the other circumferential end of the tilt rotating body changes when the tilt rotating body is fixed. The angle change can be absorbed by the relative rotational motion between the other concave rotating body surface and the convex rotating body surface of the engaging body, and the fixed body can be more reliably prevented from changing the angle during the fixing operation. At the same time, the tightening force of the operating shaft body acts on the tilt rotating body evenly around the axis via the other uneven surface of the rotating body, and the tightening force is not biased. Therefore, the operation shaft body can be operated smoothly.
- reference numeral 11 denotes a pan head
- the pan head 11 includes a base body 12 that is detachably attached to an upper end portion of a leg body (not shown) such as a tripod.
- the base body 12 is formed with a substantially cylindrical vertical shaft portion 13, and a large-diameter portion 14 for positioning is integrally provided at a lower end portion of the vertical shaft portion 13.
- the base body 12 is fixed to an upper end portion of a leg body such as a tripod by a screw 15 screwed to the vertical shaft portion 13.
- An annular locking groove 16 is formed in the upper part of the vertical shaft portion 13.
- a pan rotating body 21 that rotates in the horizontal direction about the vertical axis is fitted to the vertical shaft portion 13 of the base body 12 so as to freely rotate.
- the pan rotating body 21 is formed integrally with, for example, a synthetic resin, and has a substantially cylindrical horizontal shaft portion 22 having an axis in the horizontal direction.
- a notch (divided groove) 23 is formed.
- Both end portions of the horizontal shaft portion 22 of the pan rotating body 21 are formed in a concave shape, and a locking screw 24 is threaded from one end portion of the horizontal shaft portion 22 in parallel with the horizontal axis.
- the locking screw 24 is engaged with an annular locking groove 16 provided in the vertical shaft portion 13 of the base body 12 inside the pan rotating body 21, and fulfills the function of preventing the pan rotating body 21 from being removed.
- Cover plates 26 are fitted into the recesses 25 formed at both ends of the horizontal shaft portion 22, respectively.
- the pan rotating body 21 is fitted with a tilt rotating body 31 as a cylindrical rotating body that rotates up and down around the horizontal axis.
- the tilt rotating body 31 is formed integrally with, for example, a synthetic resin, and has a substantially cylindrical fitting fitted to the outer peripheral side of the horizontal shaft portion 22 of the pan rotating body 21 so as to be rotatable in the vertical direction.
- a long hole 33 is formed in the circumferential direction of the fitting cylinder part 32 at the lower part of the fitting cylinder part 32, and the vertical shaft part 13 of the base body 12 is fitted into the long hole 33. Has been.
- a fixing notch (slit part) 34 is formed in the axial direction on the upper rear side of the fitting cylinder part 32 of the tilt rotating body 31, and the fitting cylinder part 32 opposed via the fixing notch 34.
- One fastening part 35 and the other fastening part 36 are integrally formed respectively at one circumferential end and the other circumferential end, and through holes 37 and 38 are formed in these fastening parts 35 and 36, respectively. Has been.
- a semi-cylindrical portion 41 that is open on the opposite side of the fixing notch 34 is formed on one fastening portion 35 located at one end in the circumferential direction of the tilt rotating body 31.
- a concave rotating body surface 42 as one rotating body surface is formed inside the semi-cylindrical portion 41.
- a concave rotating body surface 42 formed at one end in the circumferential direction of the tilt rotating body 31 is a circle whose longitudinal section along the operating direction of the operating shaft body (such as an operating handle) 45 is concave and part of a perfect circle.
- the concave rotating body surface 42 may be a non-rotating aspherical shape such as a diamond cross section, a hexagonal cross section, an oval cross section or an elliptic cross section. good.
- the rotating body surface 42 may be not only the illustrated cylindrical shape, but also an aspherical shape obtained by inverting an abacus ball shape, a barrel shape, or a rugby ball shape into a concave shape.
- a fixed body 44 having a convex rotating body surface 43 as the other rotating body surface is rotatably fitted to the concave rotating body surface 42 of the tilt rotating body 31.
- a screw part 46 formed in the part is screwed into the screw hole 47 of the fixed body 44.
- an operating portion 48 is provided on the opposite side of the operating shaft body 45 from the threaded portion 46.
- the rotating body surface 43 of the fixed body 44 has a convex and true shape in which the longitudinal section along the operation direction of the operation shaft body 45 is fitted to the concave arc surface 42 a of the semicylindrical portion 41. It has an arc surface 43a formed in an arc shape that is a part of a circular shape, and a shaft portion 43b that is screwed with the screw portion 46 of the operation shaft body 45 is integrally formed at the center position of the convex arc surface 43a. Is formed.
- the rotating body surface 43 of the fixed body 44 is a convex and operating shaft whose cross section in a direction orthogonal to the operating shaft body 45 is fitted to the concave aspherical shape of the semicylindrical portion 41 shown in FIG. It has an aspherical shape formed in a non-rotating shape that disables rotation about the axis of the body 45.
- the convex rotating body surface 43 which is a non-rotating aspherical shape, includes a rectangular cross section shown in FIG. 3, that is, a rhombus (not shown) in addition to a half shape obtained by dividing the cylindrical shape into two in the axial direction.
- a cross section, hexagonal cross section, oval cross section, elliptical cross section, or the like may be used.
- the rotating body surface 43 may have a shape such as an abacus ball shape, a barrel shape, or a rugby ball shape as well as the illustrated cylindrical shape.
- the non-rotation that prevents the fixed body 44 from rotating about the axis of the operation shaft body 45 is the aspherical surface of the concave and convex fitting surface on which the tilt rotating body 31 and the fixed body 44 are fitted.
- it can be easily realized without providing a separate detent means between the tilt rotating body 31 and the fixed body 44, but the concave and convex fitting surfaces of the tilt rotating body 31 and the fixed body 44 are not shown.
- a pin or key is provided on one side, and a pin or key fitting groove is provided on the other side to prevent the fixed body 44 from rotating about the axis of the operation shaft body 45. You may make it do.
- the other fastening portion 36 located at the other circumferential end of the tilt rotating body 31 has the other opening that is opened to the opposite side of the fixing notch 34.
- a concave rotating body surface 51 is formed, and the operating shaft body 45 is engaged with an engaging body 53 having the other small convex rotating body surface 52 that is rotatably fitted to the small concave rotating body surface 51. ing.
- the operating shaft body 45 is provided with a locking convex portion 54 between the screw portion 46 and the operating portion 48, and the locking convex portion 54 has a spherical surface on the screw portion 46 side.
- the engaging body 53 having a rotating body surface 52 having a shape is locked, and the engaging body 53 of the operating shaft body 45 is a concave rotating body surface 51 of the fastening portion 36 provided at the other circumferential end of the tilt rotating body 31. So that the one end in the circumferential direction and the other end in the circumferential direction of the tilt rotating body 31 are clamped in the direction of compressing the fixing notch 34 by the fixing operation by the rotation of the operating shaft body 45. Is provided.
- the through hole 37 has an inner diameter slightly larger than that of the shaft portion 43b so that the shaft portion 43b of the fixed body 44 is loosely fitted.
- the inner diameter of the operation shaft body 45 is slightly larger than the shaft diameter of the operation shaft body 45 so that the operation shaft body 45 is loosely fitted, so that when the operation shaft body 45 tightens the fastening portions 35 and 36, The operation of deforming while compressing the fixing notch 34 of the tilt rotating body 31 is freely performed.
- a horizontal support shaft portion 55 intersecting with the pan rotating body 21 is integrally provided by being fixed by a plurality of fixing screws 56.
- a support body (side tilt support base, etc.) 57 for detachably attaching and supporting an optical device (not shown) such as a telescope and a surveying instrument is rotatably fitted, and vertically extending around the support shaft portion 55. It is possible to adjust the rotation.
- the support body 57 is integrally formed of, for example, a synthetic resin and is fitted to the outer peripheral side of the support shaft portion 55 of the fixed body 44 so as to be rotatable in the vertical direction.
- a substantially cylindrical fitting tube portion 58 is provided, and a substantially rectangular plate-shaped support base portion 59 is integrally provided on the upper portion of the fitting tube portion 58.
- a screw hole 61 is provided on one lower side of the fitting cylinder portion 32 of the support 57, and a side tilt lock turning lever 62 inserted into the screw hole 61 from the other lower side of the fitting cylinder portion 32.
- a screw 63 provided at the tip of the rotating lever 62 is screwed together, and a stepped shaft 65 is provided between the rotary lever 62 and the operating portion 64 provided on the opposite side.
- a locking ring 66 engaged with the portion 65 is engaged with the lower other side surface 67 of the fitting tube portion 58.
- the fitting cylinder portion 58 of the support body 57 can be deformed by the tightening force of the rotating lever 62 and fixed to the support shaft portion 55 of the fixed body 44.
- the support shaft portion 55 of the fixed body 44 is provided with a long hole 68 corresponding to the movable range of the rotation lever 62 when the support body 57 is rotated by releasing the tightening force of the rotation lever 62. It has been.
- an optical device mounting base provided with a screw 72 for directly fixing the optical device (not shown) on the support base portion 59 of the support body 57 via an interposition mechanism portion 71. 73 is provided.
- the pan rotation body 21 When adjusting the orientation of an optical device such as a camera attached to the support body 57 of the pan head 11, by operating the operation shaft body 45, the pan rotation body 21 is horizontally oriented around the vertical shaft portion 13 of the base body 12. The tilt rotating body 31 is rotated up and down around the horizontal shaft portion 22 of the pan rotating body 21.
- the operation shaft body 45 is rotated in one direction (for example, clockwise).
- the threaded portion 46 of the operating shaft body 45 is not directly screwed to the fastening portion 35 at one end in the circumferential direction of the tilt rotating body 31, and is a concave shape formed in the fastening portion 35 of the tilt rotating body 31.
- the tilt rotating body 31 is fastened by a fixing operation by the rotation of the operating shaft body 45 because the rotating body surface 42 is screwed to the fixed body 44 having a convex rotating body surface 43 that is rotatably fitted to the rotating body surface 42.
- the tilt rotating body 31 Even when the fastening portion 35 of the tilt rotating body 31 changes in angle due to deformation of the tilt rotating body 31 when the fixing notch 34 is compressed between the portions 35 and 36, the tilt rotating body 31 The angle change is absorbed by the relative rotational motion between the concave rotating body surface 42 of the tilt rotating body 31 and the convex rotating body surface 43 of the fixed body 44, and the fixed body 44 changes in angle during the fixing operation.
- the optical device supported by the support body 57 provided on the fixed body 44 via the support shaft portion 55 does not change the angle. It does not become a thing, and it moves only slightly.
- the concave rotating body surface 42 formed on the fastening portion 35 at one end in the circumferential direction of the tilt rotating body 31 is formed into a circular arc surface 42a having a concave longitudinal section, and a non-rotating form having a concave transverse section.
- the rotating body surface 43 of the fixed body 44 is formed into a convex arcuate surface 43a that fits the concave arcuate surface 42a and has a transverse cross section.
- the width of the fixing notch 34 of the tilt rotating body 31 is obtained by rotating one operating shaft 45 by a predetermined amount in the other direction (for example, counterclockwise).
- the dimensions and the width of the fixing notch 23 of the pan rotating body 21 are restored to the original dimensions, and the tilt rotating body 31 is fixed to the pan rotating body 21 and the pan rotating body 21 is fixed to the vertical shaft portion 13 of the base body 12. Fixing is released almost simultaneously.
- a concave rotating body surface 42 is formed on the fastening portion 35 located at one end in the circumferential direction of the tilt rotating body 31 provided on the pan rotating body 21, and the convex rotation of the fixed body 44 is formed on the concave rotating body surface 42.
- the body surface 43 is rotatably fitted, and the operation shaft body 45 inserted from the other circumferential end of the tilt rotating body 31 through the fixing cutout 34 is screwed to the fixed body 44 and is tilted.
- the fastening portion 36 located at the other circumferential end of the moving body 31 is engaged with the fastening portion 36 via the engaging body 53 so as to be rotatable.
- the one end in the circumferential direction of the tilt rotating body 31 changes in angle due to the deformation of the tilt rotating body 31 that occurs when the operating shaft body 45 is fixed.
- the angle change of the tilt rotating body 31 is fixed to the concave rotating body surface 42 of the tilt rotating body 31.
- the optical device supported by the optical device can be prevented from changing its angle, and the amount of blurring of the visual field captured by the optical device can be suppressed to a slight amount of parallel movement.
- the concave rotating body surface 42 formed at one end in the circumferential direction of the tilt rotating body 31 has a circular arc surface 42a having a concave section along the operating direction of the operating shaft body 45, and the convex rotation of the fixed body 44.
- the body surface 43 has a convex arcuate surface 43a that fits the concave arcuate surface 42a in a cross section along the operation direction of the operation shaft body 45, and therefore has a structure in which the uneven arcuate surfaces 42a and 43a are fitted.
- the concave rotating body surface 42 has a concave cross section in a direction orthogonal to the operating shaft body 45 and rotates around the axis of the operating shaft body 45.
- the convex rotating body surface 43 of the fixed body 44 has a non-rotating non-rotating aspherical shape, and the convex cross section in a direction orthogonal to the operation shaft body 45 is fitted with the concave aspherical shape.
- the structure in which the concave and convex aspherical shape is fitted allows the tilt rotating body 31 and the fixed body 44 to be Without providing a number of detent means can be easily and reliably prevented the risk that the fixed element 44 is rotated around the axis of the operating shaft 45.
- the other concave rotating body surface 51 is formed in the fastening portion 36 at the other circumferential end of the tilt rotating body 31, and the other concave rotating body surface 51 of the engaging body 53 engaged with the operation shaft body 45 is formed. Since the other convex rotating body surface 52 is rotatably fitted, the angle between the operation shaft body 45 and the other circumferential end of the tilt rotating body 31 is fixed when the tilt rotating body 31 is fixed. Even if it changes, the change in angle can be absorbed by the relative rotational movement between the other concave rotating body surface 51 and the convex rotating body surface 52 of the engaging body 53, and the fixed body 44 changes in angle during the fixing operation.
- the fixing device 74 including the cylindrical rotating body 31, the fixed body 44, and the operation shaft body 45 can be used in addition to the pan head 11, and the fixed body 44 is angled during the fixing operation. You may apply to the positioning device etc. of the machine tool which should prevent changing.
- the convex rotating body surface 43 as the other rotating body surface of the fixed body 44 can freely rotate on the concave rotating body surface 42 as one rotating body surface formed at one circumferential end of the rotating body 31.
- the operation shaft body 45 inserted through the fixing cutout 34 from the other circumferential end of the rotating body 31 is screwed into the fixed body 44 and is connected to the other circumferential end of the rotating body 31.
- the operation shaft 45 is engaged so as to be rotatable, and the one end in the circumferential direction and the other end in the circumferential direction of the rotation body 31 are clamped in the direction of compressing the fixing notch 34 by the fixing operation by the rotation of the operation shaft body 45.
- the concave rotating body surface 42 is illustrated as one rotating body surface of the tilt rotating body 31, and the convex rotating body surface 43 is illustrated as the other rotating body surface of the fixed body 44.
- the unevenness of may be reversed. That is, an embodiment in which the rotating body surface 42 of the tilt rotating body 31 is formed in a convex shape and the rotating body surface 43 of the fixed body 44 is formed in a concave shape may be employed.
- the present invention can be used by those who manufacture and sell fixing devices and pan heads as a business.
- Operating shaft body 51 The other concave rotating body surface 52
- the other convex rotating body surface 53 Engagement body 57 Support body
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Abstract
Description
12 ベース体
21 パン回動体
31 回動体としてのティルト回動体
34 固定用切欠部
42 一方の回転体面としての凹状の回転体面
43 他方の回転体面としての凸状の回転体面
44 被固定体
45 操作軸体
51 他方の凹状の回転体面
52 他方の凸状の回転体面
53 係合体
57 支持体
Claims (4)
- 周方向一端部と周方向他端部との間に固定用切欠部が形成されるとともに、周方向一端部に一方の回転体面が形成された筒状の回動体と、
上記回動体の上記一方の回転体面に回動自在に嵌合された他方の回転体面を有する被固定体と、
上記回動体の周方向他端部から上記固定用切欠部を通して挿入され、上記被固定体に螺合されるとともに上記回動体の周方向他端部に回動自在に係合され、回転による固定操作により上記回動体の周方向一端部と周方向他端部とを上記固定用切欠部を圧縮する方向に挟圧する操作軸体と
を具備したことを特徴とする固定装置。 - ベース体と、
上記ベース体に設けられ、垂直軸線を中心として水平方向に回動するパン回動体と、
上記パン回動体に設けられ、周方向一端部と周方向他端部との間に固定用切欠部が形成されるとともに、周方向一端部に一方の回転体面が形成された、水平軸線を中心として上下方向に回動する筒状のティルト回動体と、
上記ティルト回動体の上記一方の回転体面に回動自在に嵌合された他方の回転体面を有する被固定体と、
上記ティルト回動体の周方向他端部から上記固定用切欠部を通して挿入され、上記被固定体に螺合されるとともに上記ティルト回動体の周方向他端部に回動自在に係合され、回転による固定操作により上記ティルト回動体の周方向一端部と周方向他端部とを上記固定用切欠部を圧縮する方向に挟圧する操作軸体と、
上記被固定体に設けられた、被取付物を支持するための支持体と
を具備したことを特徴とする雲台。 - 上記ティルト回動体の周方向一端部に形成された上記一方の回転体面は、上記操作軸体の操作方向に沿った断面が凹状かつ円弧形に形成されるとともに、上記操作軸体に対し直交する方向の断面が凹状かつ操作軸体の軸心を中心とする回転を不能とする非回転形に形成された非球面形状を有し、
上記被固定体の回転体面は、上記操作軸体の操作方向に沿った断面が上記凹状の円弧形と嵌合する凸状の円弧形に形成され、かつ上記操作軸体に対し直交する方向の断面が上記凹状の非回転形と嵌合する凸状の非回転形に形成された非球面形状を有する
ことを特徴とする請求項2記載の雲台。 - 上記ティルト回動体の周方向他端部には、他方の凹状の回転体面が形成され、
上記操作軸体には、上記他方の凹状の回転体面と回動自在に嵌合される他方の凸状の回転体面を有する係合体が係合された
ことを特徴とする請求項2または3記載の雲台。
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CN201080069185.1A CN103109232B (zh) | 2010-12-29 | 2010-12-29 | 云台的固定装置以及云台 |
JP2012550666A JP5523586B2 (ja) | 2010-12-29 | 2010-12-29 | 固定装置および雲台 |
PCT/JP2010/073828 WO2012090336A1 (ja) | 2010-12-29 | 2010-12-29 | 固定装置および雲台 |
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JPH0456997U (ja) * | 1990-09-26 | 1992-05-15 | ||
JP2002072345A (ja) * | 2000-08-29 | 2002-03-12 | Nippon Berubon Seiki Kogyo Kk | 雲 台 |
JP2004125029A (ja) * | 2002-10-01 | 2004-04-22 | Nippon Berubon Seiki Kogyo Kk | 雲台 |
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US5078355A (en) * | 1990-09-26 | 1992-01-07 | Asanuma & Company Ltd. | Pan head mounting head of tripod for photo and VTR cameras |
CN101598886B (zh) * | 2009-07-07 | 2010-12-29 | 刘昊 | 四轴摄影云台 |
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JPH0456997U (ja) * | 1990-09-26 | 1992-05-15 | ||
JP2002072345A (ja) * | 2000-08-29 | 2002-03-12 | Nippon Berubon Seiki Kogyo Kk | 雲 台 |
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