WO2022070620A1 - Dispositif d'antenne de toit rétractable pour véhicule - Google Patents

Dispositif d'antenne de toit rétractable pour véhicule Download PDF

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Publication number
WO2022070620A1
WO2022070620A1 PCT/JP2021/029545 JP2021029545W WO2022070620A1 WO 2022070620 A1 WO2022070620 A1 WO 2022070620A1 JP 2021029545 W JP2021029545 W JP 2021029545W WO 2022070620 A1 WO2022070620 A1 WO 2022070620A1
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WO
WIPO (PCT)
Prior art keywords
terminal
antenna device
mount antenna
roof mount
click
Prior art date
Application number
PCT/JP2021/029545
Other languages
English (en)
Japanese (ja)
Inventor
正平 村上
Original Assignee
原田工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 原田工業株式会社 filed Critical 原田工業株式会社
Priority to JP2022553518A priority Critical patent/JP7269450B2/ja
Publication of WO2022070620A1 publication Critical patent/WO2022070620A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles

Definitions

  • the present invention relates to a foldable roof mount antenna device for a vehicle, and more particularly to a foldable roof mount antenna device for a vehicle that has a click feeling when swinging an antenna rod.
  • Patent Document 1 As a conventional foldable roof mount antenna device for vehicles, for example, there is one disclosed in Patent Document 1.
  • the one disclosed in Patent Document 1 has a structure in which an antenna portion is pivotally supported by a U-shaped base plate having conductivity and elasticity.
  • the swing plate provided in the antenna portion has a convex portion, and the base plate side has a concave portion that fits the convex portion, which constitutes a click mechanism.
  • a foldable roof mount antenna device having a configuration in which the click torque is increased in order to prevent such an antenna rod from collapsing
  • These foldable roof mount antenna devices have a recess in the bottom of a click cylinder made of a bottomed cylindrical member of the base assembly, and a coil spring is used in the convex portion provided in the bottomed cylindrical joint of the joint assembly.
  • the structure is such that a click feeling is obtained when the antenna rod is swung by pressing the antenna rod.
  • a foldable roof mount antenna device having a structure in which first and second clutch plates having concave portions and convex portions are provided as connection terminals and pressed by a coil spring to obtain a click feeling is also known ().
  • Patent Document 4 When the antenna rod is swung, the clutch plate, which is also used as a connection terminal, bends to release the fitting between the concave portion and the convex portion, so that a click feeling can be obtained.
  • the foldable roof mount antenna device such as Patent Document 2 and Patent Document 3 has a large number of parts and a large number of man-hours for assembly, so that the cost is high. In addition, if the number of parts is large, the tolerances of each part are piled up, and there is a possibility that the click mechanism may rattle.
  • the clutch plate is insert-molded into the molded portion of the base end member of the antenna rod, but the bending starting point of the clutch plate is the base end member. Due to the repeated bending, the molded portion of the base end member may be cracked. If the mold portion is cracked, defects such as poor appearance, loss of flexible torque, rust of flexible mechanism parts due to water intrusion, and poor conductivity due to rust may occur. In addition, the number of parts is large, and the cost is high due to the complicated structure.
  • the present invention is intended to provide a foldable roof mount antenna device for vehicles in which the number of parts is small and the mold portion is not cracked or conduction failure is not caused by the click mechanism.
  • the retractable roof mount antenna device for a vehicle is a joint assembly in which a first terminal to which an antenna rod is electrically connected is fixedly arranged.
  • the first terminal has a joint assembly having a first click structure and a pair of pivotal portions that swingably support the joint assembly, and the second terminal, which is a received signal output terminal, is fixedly arranged in the pivotal branch.
  • a second click structure that slidably contacts the base assembly and the first terminal to fit into the first click structure and give a click feeling when swinging the joint assembly is placed on the surface that contacts the first terminal.
  • the elastic member that contacts the click plate from the surface opposite to the surface that contacts the first terminal of the click plate, and the pair of pivots of the base assembly. It may be provided with a shaft bolt that is pivotally fixed, the first terminal is axially rotatably threaded, and the click plate is pivotally threaded so as to be movable along the axis without rotating the axis. ..
  • the elastic member may be any as long as it is made of a spring washer.
  • the first terminal may be electrically connected to the second terminal via a click plate and an elastic member.
  • first terminal may be electrically connected to the second terminal via a shaft bolt.
  • the elastic member may be made of a coil spring.
  • the shaft bolt may have a flange surface
  • the elastic member may have a surface opposite to the surface that contacts the click plate that contacts the flange surface of the shaft bolt.
  • first terminal may be slidably in contact with the second terminal.
  • the elastic member may be slidably in contact with the second terminal.
  • the shaft bolt may have a flange surface
  • the first terminal may have a surface opposite to the surface that contacts the click plate that contacts the flange surface of the shaft bolt.
  • the second terminal may be fixedly arranged in the pivot portion on the side close to the first terminal fixedly arranged in the joint assembly among the pair of pivot portions of the base assembly.
  • the second terminal may be a pair of pivots of the base assembly, which are fixedly arranged at the first terminal fixedly arranged in the joint assembly and the pivot portion on the distant side.
  • the shaft bolt may have a deformed shaft
  • the click plate may have a deformed hole that fits into the deformed shaft of the shaft bolt.
  • the click plate may be one that is placed at the pivot part of the base assembly so as to be movable along the axis without rotating the axis with respect to the axis bolt.
  • the elastic member may be integrally molded with the click plate and have the function of the click plate.
  • the foldable roof mount antenna device for vehicles of the present invention has an advantage that the number of parts is small and the mold portion is not cracked or conduction failure does not occur due to the click mechanism.
  • FIG. 1 is an exploded perspective view for explaining the retractable roof mount antenna device of the present invention.
  • FIG. 2 is a cross-sectional view for explaining the retractable roof mount antenna device of the present invention.
  • FIG. 3 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 4 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 5 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 6 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 7 is a diagram for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 8 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • FIG. 1 is an exploded perspective view for explaining the retractable roof mount antenna device of the present invention.
  • the foldable roof mount antenna device for a vehicle of the present invention is mainly composed of a joint assembly 10, a base assembly 20, a click plate 30, an elastic member 40, and a shaft bolt 50.
  • the resin molds of the joint assembly 10 and the base assembly 20 are shown by broken lines in the illustrated example.
  • the click plate 30, the elastic member 40, and the shaft bolt 50 are shown on the side portions of the joint assembly 10 and the base assembly 20 in a disassembled state before assembly.
  • FIG. 2 is a cross-sectional view for explaining the foldable roof mount antenna device of the present invention.
  • the parts with the same reference numerals as those in FIG. 1 represent the same objects.
  • the first terminal 11 is fixedly arranged in the joint assembly 10.
  • the first terminal 11 may be insert-molded into, for example, the resin mold of the joint assembly 10.
  • An antenna rod (not shown) is electrically connected to the first terminal 11.
  • the first terminal 11 has a first click structure 12.
  • the first terminal 11 may be composed of, for example, a conductive plate-shaped member, and has a shape composed of a circular plate-shaped member and an L-shaped member extending from the circular plate-shaped member to the antenna rod side. ..
  • the first click structure 12 shows a structure composed of a hole provided in the circular plate-shaped member. The hole may be formed of a recess.
  • the first click structure 12 may be formed of a convex portion.
  • the first terminal 11 is provided with a shaft hole 14 through which a shaft bolt 50, which will be described later, passes through.
  • the shaft hole 14 is a circular hole in the illustrated example. Since the first terminal 11 is fixedly arranged in the joint assembly 10, it does not move with respect to the joint assembly 10. Further, a joint 13 into which the antenna rod is screwed is also fixedly arranged in the joint assembly 10, and the joint 13 and the first terminal 11 are electrically connected to each other.
  • the base assembly 20 has a pair of pivotal branches 21 and 22 that swingably support the joint assembly 10.
  • a second terminal 23 which is a received signal output terminal, is fixedly arranged at the pivot branches 21 and 22.
  • the second terminal 23 may be insert-molded into, for example, the resin mold of the base assembly 20.
  • the second terminal 23 is fixedly arranged on the pivot branch 21 side of the pair of pivot branches 21 and 22.
  • the pivot portion 21 is a pivot portion on the side close to the first terminal 11 fixedly arranged in the joint assembly 10.
  • the second terminal 23 may be composed of, for example, a conductive plate-shaped member, and has a shape composed of a circular plate-shaped member and an I-shaped member extending from the circular plate-shaped member to the vehicle interior side. .. Since the second terminal 23 is also fixedly arranged in the base assembly 20, it does not move with respect to the base assembly 20.
  • the pivot portions 21 and 22 of the base assembly 20 are provided with shaft holes 24 and 25 through which the shaft bolt 50 described later passes.
  • the shaft hole 25 is a deformed hole in the illustrated example.
  • the shaft holes 24 and 25 provided in the pivot portions 21 and 22 are not limited to the illustrated examples, and may be, for example, a U-shaped groove. Further, the second terminal 23 is also provided with a shaft hole 26 through which the shaft bolt 50 described later passes.
  • an O-ring 60 may be provided on the sliding surface of the joint assembly 10 and the base assembly 20 (between the joint assembly 10 and the pivot portion 21), if necessary. Since the first terminal 11 and the second terminal 23 are present on the pivotal support portion 21, the O-ring 60 may be used for waterproofing and dustproofing so that water, dust, and the like do not enter from the sliding surface. Further, the sliding surfaces of the joint assembly 10 and the base assembly 20 may be provided with an annular uneven portion in order to assist in suppressing axial shake.
  • annular recess is provided around the shaft hole 24 of the base assembly 20 on the sliding surface, and an annular convex portion or a semi-annular convex portion fitted to the annular recess is provided on the sliding surface of the joint assembly 10. It may be provided.
  • the click plate 30 is slidably in contact with the first terminal 11.
  • the click plate 30 has a second click structure 31.
  • the second click structure 31 is provided on the surface in contact with the first terminal 11.
  • the second click structure 31 is for fitting to the first click structure 12 to give a click feeling when the joint assembly 10 is swung.
  • the click plate 30 may be made of, for example, a conductive circular plate-shaped member.
  • the second click structure 31 is composed of a convex portion provided on the circular plate-shaped member. The convex portion of the second click structure 31 is fitted into the concave portion of the first click structure 12, and the second click structure 31 is disengaged from the first click structure 12 when the joint assembly 10 is swung. You can get a click feeling.
  • the second click structure 31 may be formed of a concave portion.
  • the click plate 30 is provided with a shaft hole 34 through which a shaft bolt 50, which will be described later, passes through.
  • the shaft hole 34 is a deformed hole in the illustrated example.
  • the first terminal 11 is used as a click mechanism for giving a click feeling between the joint assembly 10 and the base assembly 20 when the antenna rod is swung.
  • the click structure 12 and the second click structure 31 of the click plate 30 are used.
  • the elastic member 40 comes into contact with the click plate 30 so as to give an urging force to the click plate 30 from a surface opposite to the surface of the click plate 30 that contacts the first terminal 11. That is, the elastic member 40 gives the click plate 30 an urging force to the first terminal 11 side.
  • the elastic member 40 is shown to be made of a spring washer.
  • the spring washer is made of, for example, a conductive member, and is formed by bending so that the peripheral portion of the washer is used as the leaf spring 41 as shown in the illustrated example.
  • the elastic member 40 is also provided with a shaft hole 44 through which the shaft bolt 50 described later passes.
  • the elastic member 40 is configured to slidably contact the second terminal 23. That is, the click plate 30 and the elastic member 40 are configured to be sandwiched between the first terminal 11 and the second terminal 23.
  • the shaft bolt 50 is pivotally fixed between a pair of pivot parts 21 and 22 of the base assembly 20.
  • the shaft bolt 50 may be made of, for example, a conductive member.
  • the shaft bolt 50 has a deformed shaft, is fitted into the shaft holes 24 and 25 provided in the pivot portions 21 and 22, and is pivotally fixed between the pivot portions 21 and 22 by, for example, a nut 55. ing. That is, the shaft bolt 50 having the deformed shaft does not move with respect to the base assembly 20 by being fitted into the shaft hole 25 having the deformed hole of the pivot portion 22, and is fixed so as not to rotate the shaft. become. Then, the first terminal 11 is axially passed through the shaft bolt 50 so that the shaft can rotate.
  • the shaft hole 14 of the first terminal 11 is a circular hole
  • the portion where the shaft bolt 50 is axially passed through the shaft hole 14 has a cylindrical shaft corresponding to the shaft hole 14
  • the first terminal 11 has a cylindrical shaft with respect to the shaft bolt 50. It is configured to be rotatable around the shaft.
  • the click plate 30 is axially passed through the shaft bolt 50 so as to be movable along the shaft without rotating the shaft.
  • the portion where the shaft bolt 50 passes through the shaft hole 34 has a deformed shaft
  • the shaft hole 34 of the click plate 30 is composed of a deformed hole that fits into the deformed shaft of the shaft bolt 50.
  • the click plate 30 is configured so as not to rotate about the shaft bolt 50. Therefore, the click plate 30 does not rotate on the shaft, but is axially rotated along the shaft with respect to the shaft bolt 50. That is, the click plate 30 is axially threaded so as to be movable only in the axial direction (left-right direction on FIG. 2).
  • the shaft hole 34 and the shaft bolt 50 are not necessarily deformed as long as the click plate 30 is configured so as not to rotate around the shaft with respect to the swing of the joint assembly 10. No need.
  • the shaft bolt 50 has a flange surface 51.
  • the surface of the first terminal 11 opposite to the surface that contacts the click plate 30 is configured to contact the flange surface 51. That is, even if the first terminal 11 is pressed by the click plate 30 urged by the elastic member 40, its position is fixed by the flange surface 51. Therefore, the first terminal 11 is not deformed.
  • the surface of the first terminal 11 opposite to the surface in contact with the click plate 30 may be fixed by a resin mold instead of the flange surface 51.
  • the first terminal 11 is electrically connected to the second terminal 23 via the click plate 30 and the elastic member 40.
  • the shaft bolt 50 is a conductive member, the first terminal 11 is electrically connected to the second terminal 23 via the shaft bolt 50. Therefore, the first terminal 11 and the second terminal 23 are surely electrically connected.
  • the first terminal 11 and the second terminal 23 constituting the click mechanism are fixedly arranged, while the click plate 30 is configured to be movable along the axis. ing. Therefore, since the first terminal 11 and the second terminal 23 do not bend, the mold portion does not crack due to the click mechanism. Further, since the electric connection is ensured, there is no possibility that conduction failure will occur. Further, since the click mechanism can be composed only of the first click structure arranged at the first terminal, the click plate 30, and the elastic member 40, the number of parts is small and the rattling due to the accumulation of tolerances of each part is small.
  • FIG. 3 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • the parts having the same reference numerals as those in FIGS. 1 and 2 represent the same objects.
  • the click plate 30 and the elastic member 40 are configured to be sandwiched between the first terminal 11 and the second terminal 23.
  • the first terminal 11 is slidably in contact with the second terminal 23. That is, the first terminal 11 and the second terminal 23 are in direct contact with each other.
  • the shaft bolt 50 has a flange surface 51.
  • the elastic member 40 is configured such that the surface opposite to the surface that contacts the click plate 30 contacts the flange surface 51. That is, the click plate 30 and the elastic member 40 are configured to be sandwiched between the first terminal 11 and the flange surface 51 of the shaft bolt 50.
  • the number of parts does not change, and the first terminal 11 and the second terminal 23 are fixedly arranged and do not bend. Further, since the first terminal 11 and the second terminal 23 are in direct contact with each other, they are reliably electrically connected. Further, at the time of assembling, the click plate 30 and the elastic member 40 may be inserted into the joint assembly 10 in a state of being attached to the shaft bolt 50, so that the assembling can be performed more easily.
  • FIG. 4 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • the parts having the same reference numerals as those in FIGS. 1 and 2 represent the same objects.
  • the click plate 30 and the elastic member 40 that gives an urging force to the click plate 30 are formed separately.
  • the elastic member is composed of an elastic click plate 45 integrally molded with the click plate.
  • the second click structure 31 may be provided on the leaf spring 41 at the peripheral edge of the washer of the spring washer. With such a configuration, the number of parts is further reduced and assembly becomes easier.
  • FIG. 5 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • the parts having the same reference numerals as those in FIGS. 1 and 2 represent the same objects.
  • the second terminal 23 is configured to be fixedly arranged on the pivot branch 21 side of the pair of pivot branches 21 and 22.
  • the second terminal 23 is configured to be fixedly arranged on the pivot portion 22 side. That is, the second terminal 23 is fixedly arranged at the first terminal 11 fixedly arranged at the joint assembly 10 and the pivot portion 22 on the distant side.
  • the shaft bolt 50 is made of a conductive member and is configured to have a flange surface 51 in contact with the first terminal 11.
  • the second terminal 23 is configured to come into direct contact with the shaft bolt 50 on the pivotal support portion 22 side.
  • the second terminal 23 can be fixedly arranged on either of the pair of pivotal branches 21 and 22. Therefore, there is a high degree of freedom in the arrangement of the foldable roof mount antenna device and the circuit layout.
  • FIG. 6 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • the example shown in FIG. 6 has a configuration in which the example shown in FIG. 3 and the example shown in FIG. 5 are combined. That is, the click plate 30 and the elastic member 40 are configured to be sandwiched between the first terminal 11 and the flange surface 51 of the shaft bolt 50, and the second terminal 23 is fixedly arranged on the pivot portion 22 side. It is configured. Even with such a configuration, at the time of assembly, the click plate 30 and the elastic member 40 may be inserted into the joint assembly 10 in a state of being attached to the shaft bolt 50, so that the assembly can be performed more easily.
  • FIGS. 7A and 7B are views for explaining another example of the retractable roof mount antenna device of the present invention
  • FIG. 7A is a cross-sectional view
  • FIG. 7B is a joint assembly of pivots. It is a side view seen from the side.
  • the parts having the same reference numerals as those in FIGS. 1 and 2 represent the same objects.
  • the click plate 30 has a deformed hole and is configured to be fitted to a shaft bolt 50 having a deformed shaft so as not to rotate the shaft.
  • the shaft hole 34 of the click plate 30 is a circular hole.
  • the peripheral portion of the click plate 30 is provided with a concave portion 32, which is configured to fit into the convex portion 28 provided in the shaft hole 24 provided in the pivot portion 21 of the base assembly 20. ..
  • the click plate 30 is arranged on the pivot portion 21 of the base assembly 20 so as to be movable along the axis without rotating the axis with respect to the axis bolt 50. That is, the click plate 30 is configured so as not to rotate about the axis by the concave portion 32 and the convex portion 28 in the shaft hole 24 of the pivot portion 21, and can be moved in the axial direction (left-right direction on FIG. 7A). Will be axisd through.
  • the shaft hole 34 of the click plate 30 may be a deformed hole, and the deformed shaft fitted therein may be arranged in the pivot portion 21 of the base assembly 20. If a circular shaft hole is provided in the deformed shaft arranged in the pivot portion 21, the shaft bolt 50 can be configured with a circular shaft. As described above, in the retractable roof mount antenna device of the present invention, the shaft bolt 50 is not necessarily limited to having a deformed shaft, and may be a circular shaft.
  • FIG. 8 is a cross-sectional view for explaining another example of the retractable roof mount antenna device of the present invention.
  • the parts having the same reference numerals as those in FIGS. 1 and 2 represent the same objects.
  • the elastic member 40 is made of a spring washer.
  • the elastic member 40 is made of a coil spring.
  • the example shown in FIG. 8 is a modified example of the example shown in FIGS. 3 and 6.
  • the elastic member 40 is composed of a coil spring, which gives an urging force to the click plate 30.
  • the surface of the coil spring opposite to the click plate 30 is configured to be in contact with the flange surface 51 of the shaft bolt 50, as in FIGS. 3 and 6.
  • the coil spring is easier to adjust the urging force than the spring washer and can be configured at a lower cost.
  • the foldable roof mount antenna device for a vehicle of the present invention is not limited to the above illustrated example, and it is needless to say that various changes can be made without departing from the gist of the present invention. ..

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of Aerials (AREA)

Abstract

La présente invention concerne un dispositif d'antenne de toit rétractable qui a un faible nombre de composants et qui n'est pas sensible aux défauts associés à un mécanisme de cliquet.　Ce dispositif d'antenne de toit rétractable destiné à un véhicule comprend un ensemble joint 10, un ensemble base 20, une plaque à cliquet 30, un élément élastique 40 et un boulon axial 50. Dans l'ensemble joint 10, une première borne 11 ayant une première structure de cliquet 12 est positionnée de manière sûre. Dans l'ensemble de base 20, une seconde borne 23 est positionnée de manière sûre sur une partie de support de pivot La plaque à cliquet 30 comprend une seconde structure de cliquet 31 destinée à s'ajuster sur la première structure de cliquet 12 et à fournir une sensation de clic, la seconde structure de cliquet 31 étant en contact coulissant avec la première borne 11. L'élément élastique 40 exerce une force de poussée sur la plaque à cliquet 30. La première borne 11 est passée axialement à travers le premier boulon axial 50 dans un état qui permet une rotation axiale, et la plaque à cliquet 30 est passée axialement à travers le premier boulon axial 50 dans un état qui permet un mouvement le long de l'axe tout en ne permettant pas la rotation axiale.
PCT/JP2021/029545 2020-09-30 2021-08-10 Dispositif d'antenne de toit rétractable pour véhicule WO2022070620A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022553518A JP7269450B2 (ja) 2020-09-30 2021-08-10 車両用の可倒式ルーフマウントアンテナ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020165946 2020-09-30
JP2020-165946 2020-09-30

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Publication Number Publication Date
WO2022070620A1 true WO2022070620A1 (fr) 2022-04-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001345613A (ja) * 2000-06-06 2001-12-14 Harada Ind Co Ltd 可倒式ルーフマウントアンテナの回動枢着部構造
JP2011009928A (ja) * 2009-06-24 2011-01-13 Harada Ind Co Ltd 車両用の可倒式ルーフマウントアンテナ
JP2011230532A (ja) * 2010-04-23 2011-11-17 Harada Ind Co Ltd 車両用の可倒式ルーフマウントアンテナ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001345613A (ja) * 2000-06-06 2001-12-14 Harada Ind Co Ltd 可倒式ルーフマウントアンテナの回動枢着部構造
JP2011009928A (ja) * 2009-06-24 2011-01-13 Harada Ind Co Ltd 車両用の可倒式ルーフマウントアンテナ
JP2011230532A (ja) * 2010-04-23 2011-11-17 Harada Ind Co Ltd 車両用の可倒式ルーフマウントアンテナ

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JP7269450B2 (ja) 2023-05-08

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