JP2011188254A - Movement adjustment mechanism for imaging device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a movement adjustment mechanism for an imaging device which can appropriately adjust movements while reducing (eliminating) the number of three coil springs which are essentially required, corresponding to three fastening screws. <P>SOLUTION: The movement adjustment mechanism for an imaging device has: an imaging device holder which has an imaging aperture; an imaging device supporting baseboard which supports the imaging device which receives imaging rays of light passed through the imaging aperture; an elastic member which is attached between the imaging device holder and the imaging device, and biases the imaging device holder and the imaging device in a direction in which the imaging device holder and the imaging device are located farther away from each other; and the fastening screws which fasten the imaging device supporting baseboard to the imaging device holder against the biasing force of the elastic member, and are provided in three positions located around the imaging device without contacting the imaging device. The elastic member has a pressing rib which contacts, in an elastic manner, a circumferential portion of a surface of the imaging device inside a triangle which two-dimensionally links the fastening screws in the three positions. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a tilt adjustment mechanism that adjusts an attachment angle of an image sensor support substrate that supports an image sensor to an image sensor holder.

  In an imaging device such as a digital camera, an imaging device that receives a photographic light beam that has passed through the imaging aperture is fixed to an imaging device holder having an imaging aperture. At the time of fixing, a coil spring is disposed between the imaging element support substrate supporting the imaging element and the imaging element holder, and is urged in a separating direction, and an urging force of the coil spring. 3 fixing screws for fixing the image sensor support substrate to the image sensor holder against each other and adjusting the screwing amount of each fixing screw so that the surface of the image sensor is correctly orthogonal to the optical axis The tilt is adjusted (Patent Document 1).

  In addition, as the tilt adjustment mechanism of the image pickup device, when the image pickup device is attached to the housing that holds the lens, an elastic member having a rectangular opening in order from the front inside the housing, and imaging that is brought into contact with the elastic member An element and a flat fixing member are arranged, and three adjusting screws whose ends are brought into contact with the back surface of the imaging element are screwed into the fixing member to compress and deform the elastic member, thereby adjusting the mounting angle of the imaging element. A thing is also known (patent document 2).

JP 2006-154680 A JP 2004-287304 A

  However, in the tilt adjustment mechanism of the image sensor disclosed in Patent Document 1, since three coil springs are essential to correspond to the three fixing screws, the number of components, assemblability, and cost are improved. There is room for.

  Further, in the tilt adjustment mechanism of the image pickup element of Patent Document 2, the elastic member is located only on the outer side, not on the inner side of the triangle connecting the three adjusting screws in a plane. When the two regions are defined by the extension line, since the elastic member is always located in the region where the triangle is not located with respect to any one side, as a separate member to follow the compression of this elastic member It is necessary to provide a tilt adjustment coil spring, and it is difficult to perform suitable tilt adjustment unless this is provided.

  The present invention is based on the above problem awareness, and can reduce (eliminate) the number of three coil springs, which have been essential in correspondence with the three fixing screws, and at the same time perform an appropriate tilt adjustment. The purpose is to obtain a tilt adjustment mechanism.

  According to the present invention, an elastic member (rubber packing) generally sandwiched between an image sensor holder and an image sensor is elastically attached to the inner peripheral surface of the image sensor inside a triangle connecting three fixing screws in a plane. Based on the viewpoint that if a pressing rib in contact is provided, this pressing rib can reduce (eliminate) the number of coil springs by replacing the function of a conventional coil spring, and at the same time, suitable tilt adjustment can be performed. It has been made.

That is, the tilt adjustment mechanism of the image pickup device of the present invention includes: an image pickup device holder having an image pickup aperture; an image pickup device support substrate that supports an image pickup device that receives a photographic light beam that has passed through the image pickup aperture; An elastic member that is sandwiched between and urges both in the separation direction; and the imaging element support substrate is fixed to the imaging element holder against the urging force of the elastic member, and the imaging element is in non-contact with the imaging element Three fixing screws positioned around the element; and the elastic member has a pressing rib that elastically contacts the surface of the imaging element inside a triangle connecting the three fixing screws in a plane. It is characterized by.
In this specification, “imaging device” means both an imaging device alone and a substrate on which the imaging device is fixed.
Further, in this specification, “a triangle connecting three fixing screws in a plane” means a triangle formed by connecting the central axes of three fixing screws when viewed from the optical axis direction.

  The pressing rib is preferably provided discontinuously.

  In one aspect of the tilt adjustment mechanism of the imaging element of the present invention, a part of the pressing rib exists outside the triangle, and an urging means different from the pressing rib is positioned inside the triangle. Yes. More specifically, the other urging means is practically a coil spring.

  In another aspect of the tilt adjustment mechanism of the imaging element of the present invention, all of the pressing ribs are present inside the triangle.

  The elastic member is positioned outside the pressing rib, and is in contact with the periphery of the surface of the image sensor to prevent harmful rays from entering the image sensor. It is preferable to provide a rib.

  The number of the pressing ribs may be four provided corresponding to each side of the planar rectangular imaging element. For example, in the case of four pressing ribs, when arranging a part of the pressing ribs outside the triangle connecting the three fixing screws in a plane, the two pressing ribs are positioned inside the triangle. The pieces can be located outside the triangle. At this time, one or two other urging means (coil springs) are arranged inside the triangle.

  The elastic member is practically a rubber packing.

  In another aspect, the tilt adjustment mechanism of the image pickup device of the present invention includes an image pickup device holder having an image pickup aperture; an image pickup device support substrate that supports an image pickup device that receives a photographic light beam that has passed through the image pickup aperture; An elastic member that is sandwiched between the image pickup elements and urges them in the separating direction; and three fixing screws that fix the image pickup element support substrate to the image pickup element holder against the urging force of the elastic members. In the tilt adjustment mechanism of the imaging element, the elastic member has a pressing rib that elastically contacts the periphery of the surface of the imaging element, and the pressing rib is located inside a triangle that planarly connects the three fixing screws. And all the pressing ribs are located in the area | region where the triangle is located among the area | regions divided by the extended line of the said triangle at least one side, It is characterized by the above-mentioned.

  Also in this aspect, the pressing rib is preferably provided discontinuously.

  According to the tilt adjustment mechanism of the image pickup device according to the present invention, it is possible to reduce (eliminate) the number of the three coil springs, which are essential in correspondence with the three fixing screws, and to perform suitable tilt adjustment. .

It is the disassembled perspective view which looked at the image sensor unit provided with the tilt adjustment mechanism of the image sensor of the present invention from the front. It is the disassembled perspective view which looked at the image sensor unit provided with the inclination adjustment mechanism of the image sensor of the present invention from back. It is sectional drawing which shows the assembly state (it is a free state about rubber packing) of the image pick-up element unit provided with the inclination adjustment mechanism of the image pick-up element of this invention. It is a perspective view which shows the single-piece | unit shape in the free state of rubber packing. It is a figure which shows the planar positional relationship of the pressing rib of a rubber packing, and three fixing screws. It is the 1st modification which changed the plane positional relationship of the press rib of rubber packing, and three fixing screws. It is the 2nd modification which changed the plane positional relationship of the pressing rib of a rubber packing, and three fixing screws. It is the 3rd modification which changed the plane positional relationship of the press rib of a rubber packing, and three fixing screws. It is the 4th modification which changed the plane positional relationship of the press rib of rubber packing, and three fixing screws.

  FIG. 1 to FIG. 3 show an image sensor unit 100 having an image sensor tilt adjusting mechanism of the present invention. The image sensor unit 100 is disposed at an imaging position of an imaging optical system of a digital camera, for example. In the present embodiment, illustration and description of components other than the image sensor unit 100 are omitted to simplify the description.

  The image sensor unit 100 holds an image sensor assembly 40 on the image sensor holder 10 via a rubber packing (elastic member) 30. A low pass filter (optical element) 20 is sandwiched between the image sensor holder 10 and the rubber packing 30. The imaging element holder 10 has a rectangular imaging opening 11, and a rectangular low-pass filter support step 12 and a rectangular rubber packing support step 13 are radially outward on the inner surface of the rear periphery of the imaging opening 11. Are formed in order. A low-pass filter 20 is installed (contacted) on the low-pass filter support step 12, and a rubber packing 30 is installed (contacted) on the rubber packing support step 13. A rear wall 14 extending radially outward is provided at the rear end of the image sensor holder 10, and three screw holes 15 </ b> A, 15 </ b> B, 15 </ b> C and two bosses 16 are provided in the rear wall 14. ing. The screw holes 15A and 15B are provided separately along one short side of the rectangular imaging opening 11, and the screw hole 15C is provided on the other short side. A symbol O indicates the imaging optical axis of the imaging element unit 100 (center of the imaging aperture 11).

  The imaging element assembly 40 includes a rectangular imaging element 41 that receives a photographic light beam that has passed through the imaging aperture 11, a substrate 42 on which the imaging element 41 is fixed, and an imaging element support substrate (on which the substrate 42 is fixed with an adhesive S). Metal plate) 43. The substrate 42 is slightly lifted from the image sensor support substrate 43 by the thickness of the adhesive S.

  The image sensor support substrate 43 has three through holes 44A, 44B, 44C corresponding to the screw holes 15A, 15B, 15C of the image sensor holder 10 and two boss holes 45 corresponding to the boss 16 of the image sensor holder 10. Is provided. 46 is a coil spring (biasing means) for adjusting the tilt of the image sensor 41, and biases the image sensor holder 10 and the image sensor support substrate 43 (image sensor assembly 40) in the separating direction. 50A, 50B, and 50C are three (three locations) fixing screws (adjustments) for fixing the image sensor support substrate 43 (image sensor assembly 40) to the image sensor holder 10 against the biasing force of the tilt adjustment coil spring 46. Screw) and is located around the image sensor 41.

The rubber packing 30 has a frame portion 31 having an opening at the center and rounded corners as shown in FIG. On the rear side of the frame portion 31 in the optical axis O direction, the light shielding rib 32 provided in a closed shape over the entire circumference of the frame portion 31 and discontinuous (intermittently) on the inner circumferential side of the light shielding rib 32. The pressure ribs 33U, 33D, 33L, and 33R provided in a discrete manner are extended and formed (the light shielding rib 32 and the pressure ribs 33U, 33D, 33L, and 33R are connected by the frame portion 31). Four pressing ribs 33U, 33D, 33L, and 33R of the present embodiment are provided on the top, bottom, left, and right corresponding to each side of the frame portion 31 (each side of the planar rectangular imaging element 41). The light shielding rib 32 extends toward the outside of the frame portion 31 in the free state, and the pressing ribs 33U, 33D, 33L, and 33R extend toward the rear of the frame portion 31 in the free state. The rear end in the optical axis O direction in the free state of the light shielding rib 32 is located behind the front end in the optical axis O direction in the free state of the pressing ribs 33U, 33D, 33L, 33R, and Since the light shielding rib 32 is formed thin, it has a flexible shape that is more easily deformed than the pressing ribs 33U, 33D, 33L, and 33R (the elastic reaction force per unit deformation amount is small).
In a state in which the rubber packing 30 is assembled to the image sensor unit 10, the light shielding rib 32 abuts around the surface of the image sensor 41 in an elastically deformed state to prevent the incidence of harmful rays on the image sensor 41, and the pressing rib 33U. , 33D, 33L, and 33R press the low-pass filter 20 against the image sensor holder 10 by being pressed forward in the optical axis O direction by the image sensor 41.
Further, the pressing ribs 33U, 33D, 33L, and 33R have a filter support surface 34 that contacts the periphery of the back surface of the low-pass filter 20 and presses the low-pass filter 20 flatly.

  The image sensor unit 100 having the above configuration is assembled as follows. First, the low-pass filter 20 is positioned on the low-pass filter support step 12 of the image sensor holder 10, then the rubber packing 30 is positioned on the rubber packing support step 13, and then the image sensor holder 10 in the boss hole 45 of the image sensor support substrate 43. The through holes 44A-44C and screw holes 15A-15C are made to correspond to each other, and three fixing screws 50A-50C are screwed into the screw holes 15A-15C. Thus, the image sensor assembly 40 (image sensor support substrate 43) is fixed to the image sensor holder 10 from the rear in the direction of the optical axis O against the biasing force of the tilt adjustment coil spring 46, and the image sensor assembly 40 (image sensor) 41) is positioned behind the image pickup opening 11 in the optical axis O direction and supported by the image pickup element holder 10, and the low pass filter 20 and Rubber packing 30 is sandwiched. FIG. 3 shows the assembled state of the image sensor unit 10 (the rubber packing 30 is not in an assembled state but in a free state).

  When the rubber packing 30 and the image sensor assembly 40 (image sensor 41) approach each other, first, the tip of the light shielding rib 32 comes into contact with the image sensor 41, and then the light shielding rib 32 is located outside the frame portion 31 (direction A in FIG. 3). It is elastically deformed. At this time, since the light shielding rib 32 is elastically deformed greatly without exerting a harmful pressing force on the image sensor 41, a high light shielding function can be obtained by blocking the incident path of harmful rays to the image sensor 41 and the image sensor 41. High dust-proof function can be obtained by blocking the intrusion of dust and dust. Further, since the tip of the light shielding rib 32 is located behind the tip of the pressing ribs 33U, 33D, 33L, and 33R in the direction of the optical axis O, the position of the image sensor assembly 40 (image sensor 41) is rearward due to tilt adjustment or the like. Even if it falls to, a sufficient light shielding function can be obtained. In addition, a sufficient light shielding state can be obtained before the pressing rib 33 contacts the image sensor 41.

  As the rubber packing 30 and the imaging element assembly 40 (imaging element 41) further approach each other, the tips of the pressing ribs 33U, 33D, 33L, and 33R eventually come into contact with the imaging element 41, and then the pressing ribs 33U, 33D, and 33L, The 33R is elastically deformed toward the center side of the frame portion 31 (direction B in FIG. 3). At this time, the pressing ribs 33U, 33D, 33L, and 33R appropriately release the force applied to the image sensor 41 by bending the sharp tip so that the tip is easily elastically deformed. Four pressing ribs 33U, 33D, 33L, and 33R are provided discontinuously (intermittently and discretely) and are elastically deformed independently. Therefore, the pressing ribs 33U, 33D, 33L, and 33R are used for the imaging element 41. The image data output from the image sensor 41 is not adversely affected without being pressed too much (there is no possibility of giving a pressing force that adversely affects the image data). That is, the image pickup device 41 is not bent and the image pickup device 41 is not displaced rearward in the optical axis O direction (C direction in FIG. 3), and good image data can be output from the image pickup device 41.

  When the image pickup element 41 presses the pressing ribs 33U, 33D, 33L, and 33R, the filter support surface 34 is elastically deformed toward the low-pass filter 20 (direction D in FIG. 3), so the low-pass filter support step 12 and the filter support The low pass filter 20 can be reliably held between the surfaces 34. At this time, since the filter support surface 34 presses the low-pass filter 20 flatly, the position of the low-pass filter 20 in the optical axis direction can be defined reliably.

  And in this embodiment, as shown in FIG. 5, by adjusting the screwing amount of the three fixing screws 50A-50C, the tilt adjustment located inside the triangle T1 connecting the three fixing screws 50A-50C in a plane. By utilizing the elastic force of the coil spring 46 and the elastic forces of the four pressing ribs 33U, 33D, 33L, and 33R located inside and outside of the triangle T1, the surface of the image sensor 41 is correctly orthogonal to the optical axis. Tilt can be adjusted (tilt adjustment).

  More specifically, in the present embodiment, when two regions are defined by the extended lines of the sides connecting the fixing screws 50A and 50C of the triangle T1, the pressing ribs 33U and 33L are formed in the region on the side where the triangle T1 is located. The pressing ribs 33D and 33R are located in the region where the triangle T1 is not located. On the other hand, when two regions are defined by the extension line of the side connecting the fixing screws 50A and 50B of the triangle T1, and when two regions are defined by the extension line of the side connecting the fixing screws 50B and 50C of the triangle T1, the triangle All the pressing ribs 33U, 33D, 33L, and 33R are located in the region on the side where T1 is located.

  Therefore, when the fixing screw 50A or 50C is loosened, the loosened fixing screw side portion of the image sensor support substrate 43 is lifted by the elastic force of all the pressing ribs 33U, 33D, 33L, 33R. On the other hand, when the fixing screw 50B is loosened, the elastic force of the pressing ribs 33U and 33L positioned inside the triangle T1 and the elastic force of the pressing ribs 33D and 33R positioned outside the triangle T1 are balanced, and thus imaging is performed. The part of the element support substrate 43 on the side of the fixing screw 50B cannot be lifted. Therefore, the tilt adjustment coil spring 46 is provided inside the triangle T 1, and the pressing ribs 33 D and 33 R positioned outside the triangle T 1 are compressed by the repulsive force of the tilt adjustment coil spring 46, so that the imaging element support substrate 43 Of these, the portion on the fixing screw 50B side can be lifted. Thereby, even if any of the fixing screws 50A to 50C is loosened or screwed in, the portion of the image pickup device support substrate 43 on the adjusted fixing screw side is raised or lowered following the fixing screw.

  As described above, the tilt adjusting coil spring 46 located inside the triangle T1 and all the pressing ribs 33U, 33D, 33L, and 33R located inside and outside the triangle T1 are the image sensor holder 10 and the image sensor support substrate 43. The function as an urging means for urging them in the direction of separating them is borne. Since the three fixing screws 50A-50C are for fixing the image pickup device support substrate 43 to the image pickup device holder 10 against the biasing force, the screwing amount of the three fixing screws 50A-50C is adjusted. Thus, the tilt (tilt amount) of the image sensor 41 can be adjusted. In the illustrated embodiment, the only urging means required in addition to the four pressing ribs 33U, 33D, 33L, 33R is only one tilt adjusting coil spring 46, and the number of urging means as separate members is reduced. be able to.

  In the conventional tilt adjustment mechanism of the image pickup device described above, it is essential to provide three tilt adjustment coil springs corresponding to the three fixing screws 50A to 50C. On the other hand, in the present embodiment, the four pressing ribs 33U, 33D, 33L, and 33R (elastic force) of the rubber packing 30 are used instead of the two tilt adjustment coil springs (elastic force thereof). The tilt adjustment can be performed with only three fixing screws 50A-50C and one tilt adjusting coil spring 46. As a result, two tilt adjusting coil springs can be reduced, the assemblability can be improved, and the cost can be reduced.

  FIG. 6 shows another embodiment of the tilt adjustment mechanism of the image sensor of the present invention. In FIG. 6, the two pressing ribs 33D and 33R located outside the triangle T1 in FIG. 5 are omitted, and all the pressing ribs 33U and 33L exist inside the triangle T1. Thereby, even when any of the fixing screws 50A to 50C is loosened or screwed in, only the elastic force of all the pressing ribs 33U and 33L located inside the triangle T1 is used, and the image sensor supporting substrate 43 is used. Among them, a portion on the side of the adjusted fixing screw can be raised or lowered following the fixing screw, and suitable tilt adjustment can be performed. Further, there is no need to provide a tilt adjusting coil spring as a separate member in order to follow the compression of the pressing rib located inside the triangle T1, and the assembling property can be improved and the cost can be reduced.

  FIG. 7 shows still another embodiment of the tilt adjustment mechanism of the image sensor of the present invention. In FIG. 7, instead of the three fixing screws 50A, 50B, and 50C in FIG. 5, three fixing screws 50D, 50E, and 50F whose arrangement positions are changed are provided, and these three fixing screws 50D-50F are connected in a plane. All the pressing ribs 33U, 33D, 33L, and 33R are present inside the triangle T2. In this embodiment, as in the embodiment of FIG. 6, even if any of the fixing screws 50D-50F is loosened or screwed, all the pressing ribs 33U, 33D, 33L located inside the triangle T2 By using only the elastic force of 33R, the position of the adjusted fixing screw side of the image sensor support substrate 43 can be raised or lowered following the fixing screw, so that suitable tilt adjustment can be performed. Further, there is no need to provide a tilt adjusting coil spring as a separate member in order to follow the compression of the pressing rib located inside the triangle T2, and the assemblability can be improved and the cost can be reduced. Furthermore, according to the embodiment of FIG. 7, the pressing ribs 33U, 33D, 33L, and 33R are evenly positioned vertically and horizontally, so that unlike the embodiment of FIG. 6, the image sensor 41 can be pressed uniformly. Is possible.

  FIG. 8 shows a modification of the tilt adjustment mechanism of the image pickup device of the present invention, in which triangular frame-shaped pressing ribs 35 are provided in place of the pressing ribs 33U and 33L in FIG. FIG. 9 shows a modification of the tilt adjusting mechanism of the image pickup device of the present invention, and a square frame-shaped pressing rib 36 is provided in place of the pressing ribs 33U, 33D, 33L, and 33R in FIG. As shown in this modification, the pressing ribs do not necessarily need to be discontinuously provided, and may be provided continuously, and the shape thereof is not limited.

  As described above, according to the tilt adjustment mechanism of the imaging device of the present embodiment, the imaging device holder having the imaging aperture; the imaging device support substrate that supports the imaging device that receives the imaging light flux that has passed through the imaging aperture; An elastic member that is sandwiched between the image pickup element holder and the image pickup element and urges them in the separating direction; and the image pickup element that fixes the image pickup element support substrate to the image pickup element holder against the urging force of the elastic member. And three fixing screws positioned around the image sensor in a non-contact manner, and the elastic member is arranged around the surface of the image sensor inside a triangle connecting the three fixing screws in a plane. Since the pressing rib that comes into elastic contact is provided, part or all of the tilt adjusting coil spring that urges the imaging device and the imaging device support substrate in the separating direction can be replaced by an elastic member. Therefore, the number of parts can be reduced, the assemblability can be improved, the cost can be reduced, and suitable tilt adjustment can be performed.

  In the above embodiment, four pressing ribs 33U, 33D, 33L, and 33R are provided corresponding to each side of the frame portion 31, but the present invention is not limited to this. The number of pressing ribs and the positions to be provided can be changed as appropriate.

DESCRIPTION OF SYMBOLS 100 Image sensor unit 10 Image sensor holder 11 Imaging opening 12 Low pass filter support step part 13 Rubber packing support step part 14 Back wall part 15A 15B 15C Screw hole 16 Boss 20 Low pass filter (optical element)
30 Rubber packing (elastic member)
31 Frame part 32 Light-shielding rib 33U 33D 33L 33R Pressing rib 34 Filter support surface (support surface)
35 Triangular frame-shaped pressing rib 36 Square frame-shaped pressing rib 40 Image sensor assembly 41 Image sensor 42 Substrate 43 Image sensor support substrate (metal plate)
44A 44B 44C Screw hole 45 Boss hole 46 Coil spring for tilt adjustment (biasing means)
50A 50B 50C Fixing screw (adjustment screw)

Claims (10)

An image sensor holder having an imaging aperture;
An image sensor support substrate supporting an image sensor that receives a photographic light beam that has passed through the imaging aperture;
An elastic member that is sandwiched between the image pickup element holder and the image pickup element and urges the image pickup element holder in the separating direction; and the image pickup element supporting substrate fixed to the image pickup element holder against the urging force of the elastic member. Three fixing screws positioned around the image sensor without contact with the element;
The tilt adjustment mechanism of the image sensor, wherein the elastic member has a pressing rib that elastically contacts the periphery of the surface of the image sensor inside a triangle connecting the three fixing screws in a plane. In the tilt adjustment mechanism of the image pickup device according to claim 1,
The tilt adjustment mechanism of the image sensor in which the pressing rib is provided discontinuously. In the tilt adjustment mechanism of the image pickup device according to claim 1 or 2,
An image sensor tilt adjustment mechanism in which a part of the pressing rib exists outside the triangle, and an urging means different from the pressing rib is located inside the triangle. In the tilt adjustment mechanism of the image pickup device according to claim 3,
The biasing means different from the pressing rib is a tilt adjusting mechanism of the image pickup element which is a coil spring. In the tilt adjustment mechanism of the image pickup device according to claim 1 or 2,
An image sensor tilt adjustment mechanism in which all of the pressing ribs are present inside the triangle. In the tilt adjustment mechanism of the image pickup device according to any one of claims 1 to 5,
The elastic member is positioned on the outer side of the pressing rib, and is in contact with the periphery of the surface of the imaging element to prevent the incidence of harmful rays on the imaging element. The tilt adjustment mechanism of the image sensor equipped with The tilt adjustment mechanism of the image pickup device according to any one of claims 2 to 6,
The tilting mechanism of the image sensor is provided with four pressing ribs corresponding to each side of the planar rectangular image sensor. The tilt adjustment mechanism of the image pickup device according to any one of claims 1 to 7,
The tilt adjustment mechanism of the image sensor, wherein the elastic member is a rubber packing. An image sensor holder having an imaging aperture;
An image sensor support substrate supporting an image sensor that receives a photographic light beam that has passed through the imaging aperture;
An elastic member that is sandwiched between the image pickup element holder and the image pickup element and urges both in the separation direction; and three places that fix the image pickup element support substrate to the image pickup element holder against the urging force of the elastic member In the tilt adjustment mechanism of the image sensor having a fixing screw;
The elastic member has a pressing rib that elastically contacts the surface of the imaging element,
The pressing rib is located on the inner side of the triangle connecting the three fixing screws in a plan view, and all the regions on the side where the triangle is located are divided by the extension line of at least one side of the triangle. A tilt adjustment mechanism for an image sensor, wherein a pressing rib is positioned. In the tilt adjustment mechanism of the image pickup device according to claim 9,
The tilt adjustment mechanism of the image sensor in which the pressing rib is provided discontinuously.

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