Projector unit
The projector unit improves portability and reduces costs by using a general-purpose moving body and tripod for stable position adjustment, addressing the limitations of dedicated mobile bags in existing technologies.
Patent Information
- Application Number
- JP2024195825
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-01-24
AI Technical Summary
Existing projector units require dedicated mobile bags, leading to low versatility and high capital investment, and lack quick and stable position adjustment capabilities.
A projector unit utilizing a general-purpose moving body and tripod with a rotatable casing, a roller body, and a detachable tripod support member for stable position adjustment, enabling quick and stable projection.
Enhances portability and reduces installation costs while allowing for bright and stable image projection over extended periods.
Smart Images

Figure 2025013616000001_ABST
Abstract
Description
[Technical field]
[0001] The present invention relates to a projector unit, and more particularly to a projector unit that can improve portability by using a general-purpose moving body and a tripod, enables quick and stable position adjustment of the projector body, and reduces the introduction cost for projecting bright images for long periods of time as projector signage. [Background technology]
[0002] In recent years, projector signage and projection mapping have come into use as imaging technologies to achieve advertising effects.
[0003] Projector signage (also called "digital signage" when it includes use as a display) is a general term for an information transmission system that uses a projector, and is installed for purposes such as advertising, sales promotion, and information.
[0004] Projection mapping is a technique that involves projecting images and videos onto walls, floors, ceilings, etc., and is often used at events in tourist spots, theme parks, commercial facilities, government agencies, etc., where it enables dynamic and immersive effects that cannot be achieved with a display alone.
[0005] As the usage patterns of such video technology using projectors expand, including the above-mentioned projector signage and projection mapping, mobility, i.e. portability, is desired. Note that in the following usage patterns, the term projector signage will be used collectively, including the case of projection mapping.
[0006] Also, as a portable projector unit, there is known a projector unit in which a projector with a projection direction facing upward or diagonally upward is placed inside a movable main body case, and an optical mechanism is placed on a part of the top surface of the movable case, thereby enabling portability and adjustment of the projection angle (see, for example, Patent Documents 1 and 2).
[0007] On the other hand, one of the reasons why projector units used as projector signage have not become more widespread is the problem that the costs involved in setting up and maintaining the entire unit are too high.
[0008] However, these issues are beginning to be resolved by the emergence of semiconductor light source projectors in the 2010s. That is, semiconductor light source projectors have the advantage of a longer light source life compared to the mercury lamp projectors that had been widely used up until that point. This not only reduces the amount of maintenance required to replace the light source, but also greatly improves the overall maintainability of the projector.
[0009] Furthermore, in terms of usage, the projector can now be installed at any angle in any direction (360 degrees), something that was difficult to do with conventional mercury lamp projectors, and it can also be used in relatively cluttered environments (i.e., while moving, etc.).
[0010] On the other hand, in a video system such as projector signage, the mounting section of the projector body requires high positional accuracy and stability, and even a slight angular deviation in the mounting position can cause a large deviation in the projection position of the image.
[0011] In other words, a positional deviation of a few millimeters can result in a deviation of several centimeters in the projected image several meters away. Also, unlike simple lighting, the lighting of the projector body is affected by not only the yaw angle and pitch angle, but also the roll rotation and the three-dimensional position of the projector body, which affect the distortion of the image. Therefore, a high level of position adjustment ability is required, either artificially, such as the user's experience (so-called level of skill), or by mechanical technology such as a stabilizer.
[0012] Therefore, since projection by holding the projector body in one's hand requires skilled technique, there was a demand for a mounting stand that could hold the projector body and adjust the angle in order to make it more commonly usable. [Prior art documents] [Patent documents]
[0013] [Patent Document 1] Utility Model Registration No. 3120598 [Patent Document 2] JP 2012-098644 A Summary of the Invention [Problem to be solved by the invention]
[0014] However, in the above-mentioned projector unit, both of the techniques disclosed in Patent Documents 1 and 2 require a dedicated portable bag, which causes problems of low versatility and high capital investment.
[0015] The object of the present invention is to provide a projector unit that can improve portability by using a general-purpose mobile body and tripod, enables quick and stable position adjustment of the projector body, and reduces the introduction cost for projecting bright images for long periods of time as projector signage. [Means for solving the problem]
[0016] In order to achieve the above object, the present invention uses a housing-like moving body and a tripod, the moving body comprising: a housing-like moving body main body; a roller body rotatably provided on a bottom surface of the moving body main body, a part of which protrudes from the bottom surface; a handle portion provided on a rear surface of the moving body main body and capable of being raised and lowered so as to protrude from a top surface of the moving body main body; and a fastener portion including the top surface of the moving body main body and left and right side surfaces adjacent to the top surface, which is provided in a circumferential manner near a front surface of the moving body main body, and which allows the moving body main body to be opened and closed between the rear surface side and the front surface side; The tripod comprises a base, a tripod section consisting of first to third legs whose upper ends are rotatably mounted on the base and whose lower ends are extendable and retractable with their lower ends protruding from a bottom surface of the base and which are rotatable about the upper ends in an opening direction in which the lower ends move away from each other, and a mounting section which is provided on the upper surface of the base so as to be capable of ascending, descending, rotating and turning, and which detachably supports a projector main body, and a tripod support member which supports the tripod on the moving body while maintaining the expanded state of the tripod section is detachably mounted on the tripod section. Effect of the Invention
[0017] According to the present invention, by using a general-purpose mobile body and tripod, portability is improved, and the position of the projector body can be quickly and stably adjusted, while the introduction cost for projecting bright images for long periods of time as projector signage can be reduced. [Brief description of the drawings]
[0018] [Figure 1] 1 is a perspective view showing a state before a portable suitcase and a tripod that constitute a projector unit according to an embodiment of the present invention are combined. [Diagram 2] FIG. 1 is a perspective view showing the external appearance of a projector unit according to an embodiment of the present invention in a mounted state. [Diagram 3] FIG. 2 is an explanatory diagram showing the projector unit according to the embodiment with the bag body removed. [Figure 4]FIG. 2 is a side view showing the projector unit according to the embodiment of the present invention in a mounted state. [Diagram 5] FIG. 2 is a cross-sectional view showing the projector unit according to the embodiment of the present invention in a mounted state. [Figure 6] 2 is a perspective view of an example of a first support member of the projector unit according to the present embodiment. FIG. [Figure 7] FIG. 13 is a perspective view of another example of the first support member of the projector unit according to the present embodiment. [Figure 8] 1A and 1B show a projector unit according to the present embodiment, in which (A) is a perspective view of a first modified example of a first support member, and (B) is a side view of the first modified example of the first support member. [Figure 9] FIG. 13 is a perspective view of a second modified example of a first support member of the projector unit according to the present embodiment. [Figure 10] FIG. 13 is an explanatory diagram showing a projector unit according to the present embodiment, in which a first support member and a third support member of Modification 2 are mounted. [Figure 11] FIG. 13 is a perspective view of another third support member of the projector unit according to the present embodiment. [Figure 12] 1A shows a projector unit according to the present embodiment, in which (A) is a side view of the main parts of an example in which swivelling wheels are used in four places on the bottom surface, and (B) is a side view of the main parts of an example in which wheels are used in two places on the rear side of the bottom surface. [Figure 13] FIG. 13 is an explanatory diagram showing the projector unit according to the embodiment when a canopy is used. [Figure 14] 1A and 1B are explanatory diagrams showing how the projector unit according to the present embodiment can be carried while projecting. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0019] Next, a projector unit according to an embodiment of the present invention will be described with reference to the drawings.
[0020] 1 to 5, the projector unit 1 uses a housing-like mobile suitcase 10 (an example of a mobile body), a tripod 20, and a projector 30. The mobile suitcase 10 (meaning a suitcase, carry case, or other suitcase with casters in general), the tripod 20, and the projector 30 can all be general-purpose products. Therefore, detailed explanations and illustrations thereof will be omitted (or simplified) below.
[0021] The mobile bag 10 comprises a case-shaped bag body 11 (an example of a mobile body), a roller body 12 rotatably mounted on the bottom portion 11a of the bag body 11, a part of which protrudes from the bottom portion 11a, a handle portion 13 mounted on the back portion 11b of the bag body 11 and capable of being raised and lowered so as to protrude from the top portion 11c of the bag body 11, and a fastener portion 14 which includes the top portion 11c of the bag body 11 and left and right side portions 11d (only one side is shown) adjacent to the top portion 11c, is arranged in a circular shape near the front portion 11e of the bag body 11, and enables the bag body 11 to be opened and closed between the back portion 11b side and the front portion 11e side.
[0022] In this example, the handle portion 13 includes two telescopic shafts 13a whose lower sides are fixed to the back surface portion 11b and whose upper sides extend and retract relative to the lower side, and a handle body 13b that spans between the upper ends of the two telescopic shafts 13a. Note that the handle portion 13 can be of any suitable structure depending on the size of the bag body 11, etc. (for example, the two shaft-like telescopic shafts 13a can be formed into a single plate-like structure).
[0023] The tripod 20 comprises a base 21, a tripod section 22 consisting of a first leg section 22A, a second leg section 22B and a third leg section 22C, the first leg section 22A, the second leg section 22B and the third leg section 22C having an upper end section 22a rotatably mounted on the base 21 and a lower end section 22b which is extendable and contractable with the lower end section 22b protruding from the bottom surface section 21a of the base 21 and which is rotatable about the upper end section 22a in an expanding direction in which the lower end sections 22b move away from each other, and a mounting section 23 which is mounted on the top surface section 21b of the base 21 so as to be capable of being raised and lowered, rotated and turned, and which detachably supports a projector body 31 of a projector 30.
[0024] A tripod support member 40 is removably attached to the tripod section 22, which supports the tripod 20 with the projector body 31 supported by the mounting section 23 on the portable bag 10 while rotating the first leg section 22A to the third leg section 22C to maintain the expanded state of the tripod section 22.
[0025] The mounting portion 23 comprises a lifting shaft 24 that passes vertically through the base 21, a height adjustment portion 25 that is provided on the upper surface 21b of the base 21 and allows / prevents the lifting shaft 24 from moving up and down, an angle adjustment portion 27 that is connected to the lifting shaft 24 above the height adjustment portion 25 via a support shaft portion 26, and a pan head 28 that is provided integrally on the upper side of the angle adjustment portion 27.
[0026] As a result, mounting unit 23 adjusts the vertical position of projector body 31 mounted on tripod head 28 using lift shaft 24 and height adjustment unit 25, and makes it possible to adjust the angle of projector body 31 mounted on tripod head 28, specifically the angles in two directions around the axis of lift shaft 24 and around the axis of support shaft unit 26, by operating operating handle 27a of angle adjustment unit 27.
[0027] The projector body 31 is detachably attached to the platform 28 via a male / female screw structure known as a tripod mounting structure for cameras, video cameras, etc., or via a bracket (not shown).
[0028] The projector 30 is equipped with a battery 32 that is stored inside the bag body 11 and supplies power to the projector body 31. Therefore, the projector body 31 is capable of projecting images using, for example, a built-in battery (not shown), but in consideration of long-term use, it is designed to use the power supply from the battery 32 as the main power source.
[0029] Although the battery 32 and the projector main body 31 can be supplied with power by a wired connection, the wiring structure is not particularly limited and therefore will not be described or illustrated here. Similarly, the connection terminals of the battery 32 and the projector main body 31 may be any, such as an AC adapter and a plug (jack), an AC adapter and a USB terminal, or a USB terminal and a USB terminal.
[0030] FIG. 1 is a perspective view showing a state before the mobile bag 10 and the tripod 20 are combined, and FIG. 2 is a perspective view showing a state in which the mobile bag 10 and the tripod 20 are combined to form the projector unit 1. As shown in FIG. 1 and FIG. 2, two of the first leg 22A to the third leg 22C, for example, two legs (here, the first leg 22A and the second leg 22B) located on the front part 11e side when the projection direction of the projector main body 31 is from the front part 11e side of the bag main body 11 (see FIG. 4 and FIG. 5), have their lower end parts 22b inserted into the inside of the bag main body 11 from the fastener part 14 and are supported in contact with the upper surface part 32a of the battery 32. On the other hand, the remaining one of the first leg 22A to the third leg 22C (here, the third leg 22C) has its lower end part 22b supported in contact with the upper surface part 11c of the bag main body 11.
[0031] The tripod support member 40 comprises a plate-shaped first support member 41 that is positioned above the top surface 11c of the bag body 11, and a string-shaped (including elastic string, belt string, etc.) second support member 42 that holds the first support member 41 to the bag body 11 so that a downward load is applied to the first support member 41.
[0032] As shown in FIG. 6, the first support member 41 is made of thick rubber (or hard resin, metal, etc.) that is difficult to deform, and has a first through hole portion 41a, a second through hole portion 41b, and a third through hole portion 41c through which the first leg portion 22A to the third leg portion 22C independently pass to support their intermediate portions, and two shaft through holes 41d, 41e through which the intermediate portion of the telescopic shaft 13a of the handle portion 13 passes.
[0033] The first through hole 41a, the second through hole 41b, and the third through hole 41c are provided at positions where the lines connecting the centers of the holes form an equilateral triangle, and the holes have the same diameter. Although not shown, the shaft through holes 41d and 41e have an opening and closing structure such as that used in a snap hook, lobster clasp, or carabiner, and are attached to and detached from the telescopic shaft 13a of the handle part 13 by opening and closing the opening and closing structure.
[0034] The two shaft through-holes 41d, 41e are circular in the illustrated example, but the shape, size, etc. thereof can be determined according to the (cross-sectional) shape and thickness of the two telescopic shafts 13a.
[0035] Therefore, depending on the configuration of the handle portion 13, for example, if it is in the shape of a single plate, the shaft through-holes 41d, 41e may be replaced with a single rectangular through-hole 41f as shown in FIG. 7 to form a first support member 41'.
[0036] Furthermore, in consideration of cases in which it is difficult for lower end 22b of third leg 22C to abut against upper surface portion 11c, such as when taking into consideration the relationship between the positions of first leg 22A and second leg 22B and fastener portion 14, and the relationship between the opening degree of tripod portion 22, third through-hole portion 41c may be a first support member 41" having a bottomed cylindrical support portion 41g integrally provided therewith for receiving lower end 22b, as shown in FIG. 8.
[0037] The second support member 42 is composed of, for example, two stretchable band-shaped rubber cords having one end each connected integrally to the front side (the side where the first through hole portion 41a and the second through hole portion 41b are installed) and the back side (the side where the third through hole portion 41c is installed) near the square corners of the first support member 41.
[0038] In addition, the second support member 42 may be two straps, one end of which engages with the first through hole portion 41a (and the second through hole portion 41b) as a first engagement portion on the front side 11e of the bag body 11, and the other end of which engages with the shaft through hole portion 41d (and the shaft through hole portion 41e) as a second engagement portion on the back side 11b of the bag body 11.
[0039] In this case, as shown in Figures 9 and 10, when the second support member 42 is made into a single belt string, it is possible to provide a fold-back groove 41h as a first engagement portion that folds its middle portion from the bottom side to the top side and a fold-back groove 41i as a second engagement portion, or to provide a shaft through-hole portion 41j through which the lifting shaft 24 passes, thereby making the first support member 41''' of an appropriate configuration.
[0040] Meanwhile, as shown in FIG. 3, the tripod support member 40, in addition to the first support member 41 and the second support member 42, further has a third support member 43 which engages with a position closer to the lower end 22b of the first leg 22A and the lower end 22b of the second leg 22B than the first support member 41 so as to maintain the expanded state of the first leg 22A to the third leg 22C, thereby regulating the rotation of the first leg 22A to the third leg 22C in the contracting and closing direction.
[0041] The third support member 43 includes an engagement portion 43a that engages with the lower end portion 22b of the first leg portion 22A and the lower end portion 22b of the second leg portion 22B, and a rubber band portion 43b that fixes the engagement portion 43a.
[0042] As shown in Figures 10 and 11, in addition to the first support member 41 and the second support member 42, a third support member 44 may be provided which engages with a position closer to the upper end 22a of the first leg portion 22A to the third leg portion 22C than the first support member 41 so as to maintain the expanded state of the first leg portion 22A to the third leg portion 22C, thereby regulating the rotation of the first leg portion 22A to the third leg portion 22C in the contracting and closing direction.
[0043] This third support member 44 has a generally triangular shape in a plan view, and has cutouts 44a at its corners that engage with the upper ends 22a of the first leg 22A to the third leg 22C, and a shaft through-hole 44b through which the lift shaft 24 passes.
[0044] In this way, the projector unit 1 of this embodiment uses a general-purpose housing-shaped portable suitcase 10, a general-purpose tripod 20, and further a general-purpose projector 30, but while maintaining the expanded state of the tripod section 22, a tripod support member 40 that supports the tripod 20 supporting the projector 30 on the portable suitcase 10 is detachably attached to the tripod section 22, thereby improving portability and enabling quick and stable position adjustment of the projector main body 31 while reducing the introduction cost for projecting bright images for long periods of time as projector signage.
[0045] In the above embodiment, the mounting unit 23 is provided with a height adjustment unit 25 for adjusting the height of the projector body 31, and an angle adjustment unit 27 for adjusting the angles in the up, down, left and right directions of the projector body 31. Note that each of the adjustment units 25, 27 can directly use well-known mechanisms for adjusting the angle and height in a known camera tripod 20.
[0046] The height of projector body 31 is preferably adjustable within a range of about 90 to 130 cm so that it does not obstruct visibility during transportation and allows easy projection.
[0047] At this time, the higher the height of the projector body 31, the easier it is to project an image toward the ground (downward). Therefore, for example, as shown in FIG. 14, the user can carry the projector unit 1 by walking using the handle portion 13 while projecting an image on the ground with the projector body 31 facing downward. At this time, the user may carry the projector unit 1 by placing the projector unit 1 in the front and pushing the handle portion 13, or may carry the projector unit 1 by placing the projector unit 1 in the rear and pulling the handle portion 13, as shown in FIG. 14. On the other hand, when carrying the projector unit 1 while projecting an image, there is a possibility that the projector unit 1 may obstruct the walking of pedestrians around the projector unit 1. Therefore, it is preferable to set the range of the height that can be changed while considering the user's height, including the convenience of use.
[0048] The operating handle 27a is operated by the user to manually adjust the up, down, left and right angles of the projector body 31, and it is also possible to fix and release the angular position by rotating the support shaft portion 26 about its axis.
[0049] Handle portion 13 protrudes from top surface portion 11c of housing-like bag body 11 and is height adjustable, which is preferable to ensure portability when towing projector unit 1 by hand, and to enable hand-holding assistance so that projector unit 1 does not move in response to the operating load applied when operating operating handle 27a (especially in the left-right direction).
[0050] Therefore, it is more preferable that the grip portion 13 and the operating handle 27a are designed not to interfere with each other when adjusting their respective angles and heights.
[0051] It is preferable that bag body 11 has a housing structure or a frame structure that is designed to hold battery 32. Furthermore, the size of bag body 11 is not important as long as it can store battery 32. In this case, if there is surplus space inside bag body 11, projector body 31 that has been removed during transportation, other equipment to be used (for example, a controller, distributor, etc., not shown), and auxiliary equipment (for example, a memory card, etc.) can be stored therein as necessary (these may be separately attached externally, etc.).
[0052] The projector body 31 is detachably mounted on a mounting portion 23 having a height adjustment portion 25 and an angle adjustment portion 27 via an attachment (quick shoe) or the like.
[0053] The third support member 43 supports two lower end portions 22b of the tripod portion 22. In this case, by supporting the lower end portions 22b so as to be in contact with the battery 32, the up and down movement of the tripod portion 22 can follow the up and down movement of the battery 32 that accompanies vibrations during transportation, etc.
[0054] As shown in Fig. 1, the roller bodies 12 protruding from the bottom surface 11a of the bag body 11 may be such that the lower side of the rotation axis is located higher than the bottom surface of the bag body 11 to ensure the straightness of the bag body 11, or, for example, as shown in Fig. 12(A), they may be four roller bodies 12 with turning ability. Also, as shown in Fig. 12(B), the back side of the bag body 11 may be the roller bodies 12, and the front side of the bag body 11 may be the legs 15.
[0055] In addition to the above, the roller body 12 may have a caterpillar structure that takes into account steps and other unevenness, or a detachable sled-like attachment structure that takes into account movement on snow, etc. Furthermore, the wheels may be electrically driven, such as by a motor.
[0056] The weight of the battery 32 is preferably more than twice the combined weight of the projector body 31 and the mounting part 23 so that the entire mounting part 23 is stable (prevents shaking). Specifically, the weight of the mounting part 23 including the projector body 31 (hereinafter, may be simply referred to as the "head") is preferably 1 / 2 or less of the weight of the battery 32. Furthermore, in actual operation, since stability is increased by multiplying this number by 2 / 3 as an empirical safety factor, it is even more preferable that the ratio of the weight of the battery 32 to the weight of the head is 3:1 or less. However, since a general-purpose product can be used for the projector body 31, these weight ratios and the like do not indicate strict numerical values. Furthermore, the weight of the battery 32 increases or decreases depending on the capacity, etc., so it is preferable to consider these factors relatively.
[0057] As described above, the projector body 31 and the battery 32 are connected by wire via a power line (not shown), and power is supplied from the battery 32 to the projector body 31. In this case, the wiring structure, and in particular the connection terminal on the projector body 31 side (for example, a USB Type C connection, etc.) can be appropriately adopted.
[0058] In this case, when a controller, distributor, etc. are installed, power lines, control lines, etc. for these can also be wired appropriately. Therefore, the projector main body 31 (or the mounting unit 23) can also be connected to a personal computer (representing a general computer device with a video playback application installed, such as a smartphone or tablet terminal).
[0059] As shown in FIG. 13, the bag body 11 or the handle 13 may be provided with a detachable height-adjustable visor mechanism 50 in consideration of contamination due to precipitation in rainy weather, dust, and flying objects.
[0060] The eaves mechanism 50 includes a top plate 51 and an extendable leg portion 52. In this case, the top plate 51 is preferably made of a transparent material.
[0061] The inside of the bag body 11 can be divided into a storage room for the battery 32 at the bottom and an equipment storage room at the top by disposing a shelf board (not shown) in the middle of the height direction. In this case, the shelf board also serves as a support board for supporting the lower ends of the support legs.
[0062] Thus, according to this embodiment, general-purpose products can be used for all components except for the tripod support member 40, so that the unit configuration can be made relatively simple, the manufacturing costs can be kept low, and it can be adapted to projector bodies 31 and batteries 32 of various shapes.
[0063] Therefore, compared to assembling a large truss or installing fixing jigs on the ceiling and walls, the total cost including equipment and installation can be reduced.
[0064] Moreover, since the tripod support member 40 can be simply configured, it is possible to prepare multiple types corresponding to the configuration of the tripod 20, for example, and assembly (removal) to the bag body 11 (including the battery 32) and the tripod 20 can be easily and quickly performed.
[0065] Since the projector body 31 is installed on the outside of the bag body 11, the heat dissipation performance of the projector body 31 by air cooling can be ensured to be high.
[0066] Since the battery 32 and the projector 30 account for the majority of the weight of the entire system, there is no need to place additional weights or the like to ensure stability during movement, which contributes to weight reduction.
[0067] Note that the mounting unit 23 may be equipped with a camera unit (not shown) in addition to the projector 30. This makes it possible to remotely monitor the projection status of the projector 30 from the image information of the installed camera unit in addition to GPS information obtained from a smartphone or the like carried by the projector. This allows, for example, a dedicated employee (such as a part-time worker) to be hired to project, and to flexibly change the content and give instructions to the projection staff according to the surrounding situation. It also makes it possible to manage the working status of the projection staff.
[0068] In the above, the case where the moving body is a portable bag has been described as an example, but the moving body is not limited to a portable bag. The moving body may be, for example, a dolly or a carrying cart. In this case, too, the same effects as those of the above-mentioned embodiment can be obtained. [Explanation of symbols]
[0069] 1 Projector unit 10 Mobile bag (an example of a mobile object) 20 Tripod 23 Mounting section 25 Height adjustment section 26 Support shaft part 27 Angle adjustment section 30 Projector 31 Projector body 40 Tripod support member 41 First support member 42 Second support member 43 Third support member 44 Third support member
Claims
1. Using a housing-like moving body and a tripod, The moving body is A housing-like mobile body; a roller body rotatably provided on a bottom surface of the movable body, a part of which protrudes from the bottom surface; A handle portion provided on a rear surface of the movable body and capable of moving up and down so as to protrude from an upper surface of the movable body; a fastener portion including the top surface portion of the movable body and left and right side surfaces adjacent to the top surface portion, the fastener portion being provided in a circumferential manner near the front surface portion of the movable body, and enabling the movable body to be opened and closed between the rear surface portion side and the front surface portion side; Equipped with The tripod is The base and a tripod portion including a first leg portion, a second leg portion, and a third leg portion, the first leg portion, the second leg portion, and the third leg portion each having an upper end portion rotatably attached to the base and a lower end portion that is extendable and contractable while protruding from a bottom surface portion of the base and that is rotatable about the upper end portion as a fulcrum in an expansion direction in which the lower end portions move away from each other; a mounting portion provided on an upper surface of the base so as to be movable up and down, rotatable, and pivotable, and configured to detachably support a projector body; Equipped with a tripod support member is detachably attached to the tripod section, the tripod supporting the projector body on the moving body while maintaining the tripod section in an expanded state; A projector unit comprising:
2. 2. The projector unit according to claim 1, a battery for supplying power to the projector body is housed inside the moving body; Among the first leg portion, the second leg portion, and the third leg portion, the first leg portion and the second leg portion located on the front side of the moving body when the projection direction of the projector body is from the front side of the moving body have their lower ends facing the inside of the moving body from the fastener portion and are supported in contact with an upper surface of the battery, the third leg portion has a lower end portion supported by the upper surface portion of the movable body, The tripod support member is A plate-shaped first support member disposed above the upper surface portion of the movable body; a string-like second support member that holds the first support member on the movable body so that a downward load is applied to the first support member; In addition to providing The first support member is a first through hole portion, a second through hole portion, and a third through hole portion through which the first leg portion, the second leg portion, and the third leg portion pass and support mid-portions of the first leg portion, the second leg portion, and the third leg portion, respectively; a shaft through hole portion through which the telescopic shaft middle portion of the handle portion passes; The second support member includes a first engagement portion that engages with the front side of the movable body, and a second engagement portion that engages with the rear side of the movable body. A projector unit comprising:
3. 2. The projector unit according to claim 1, a battery for supplying power to the projector body is housed inside the moving body; Among the first leg portion, the second leg portion, and the third leg portion, the first leg portion and the second leg portion located on the front side of the moving body when the projection direction of the projector body is from the front side of the moving body have their lower ends facing the inside of the moving body from the fastener portion and are supported in contact with an upper surface of the battery, The tripod support member is A plate-shaped first support member disposed above the upper surface portion of the movable body; a string-like second support member that holds the first support member on the movable body so that a downward load is applied to the first support member; In addition to providing The first support member is a first through hole portion, a second through hole portion, and a third through hole portion through which the first leg portion, the second leg portion, and the third leg portion pass and support mid-portions of the first leg portion, the second leg portion, and the third leg portion, respectively; a bottomed cylindrical support portion that protrudes from a bottom surface portion of the first support member and supports a lower end portion of the third leg portion that communicates with the third through hole portion and passes through the third through hole portion; a shaft through hole portion through which the telescopic shaft middle portion of the handle portion passes; The second support member includes a first engagement portion that engages with the front side of the movable body, and a second engagement portion that engages with the rear side of the movable body. A projector unit comprising:
4. 4. The projector unit according to claim 2, The tripod support member is The plate-shaped first support member and the string-shaped second support member, Further, a third support member is provided that is located closer to the upper end or the lower end of the tripod section than the first support member and restricts rotation of the first leg section, the second leg section, and the third leg section in a contracting / closing direction so as to maintain the first leg section, the second leg section, and the third leg section in an expanded state. A projector unit comprising:
Citation Information
Patent Citations
Rack for projector and projector system
JP2012098644A
projector
JP3120598U