JPS60100390A - Supporting structure of ceramic heater - Google Patents
Supporting structure of ceramic heaterInfo
- Publication number
- JPS60100390A JPS60100390A JP58208015A JP20801583A JPS60100390A JP S60100390 A JPS60100390 A JP S60100390A JP 58208015 A JP58208015 A JP 58208015A JP 20801583 A JP20801583 A JP 20801583A JP S60100390 A JPS60100390 A JP S60100390A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- metal frame
- leaf spring
- bolt
- planar heating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Resistance Heating (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、例えば主に寒冷時において、直喧式のディー
セルエンジンを始動する際に、吸気系統中に吸気を加熱
するインテークエアーヒータのセラミック発熱体の支持
構造。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a ceramic intake air heater that heats intake air in an intake system when starting a direct-drive diesel engine, for example, mainly in cold weather. Support structure for heating element.
(従来技術)
従来のものは、発熱体としζFe −Cr yr金属抵
抗ヰ4料の金属線をコイル状などにして複数本用いてい
た。(Prior Art) In the prior art, a plurality of metal wires made of ζFe-Cr yr metal resistance material were used as a heating element in the form of a coil or the like.
ところが、近年、発熱体の材料として金属材料より耐熱
性、耐酸化性の点で優れているセラミック材料が着目さ
れてきた。しかしながらセラミック材料が、脆性材料の
ため、このセラミック製の発熱体を2点以上で剛体的に
支持したとすると、発熱時の熱膨張により、発熱体は破
壊してしまいまた、発熱体を1点だけで支持した場合は
、例えば自動車のインテークエアーヒータなど揺れの激
しい所で使用する場合、耐振強度の点で弱く、振動の激
しい所では使用できないなどの問題があっプこ。However, in recent years, attention has been paid to ceramic materials, which are superior to metal materials in terms of heat resistance and oxidation resistance, as materials for heating elements. However, since ceramic material is a brittle material, if this ceramic heating element is rigidly supported at two or more points, the heating element will be destroyed due to thermal expansion during heat generation, and the heating element will be supported at one point. If it is supported by itself, there are problems such as its vibration resistance is weak and it cannot be used in places with strong vibrations, such as when used in places with strong vibrations, such as in the intake air heater of a car.
(発明の目的)
本発明は上記の欠点を解消するため、金属枠体内にセラ
ミ’)り装発熱体を設け、発熱体の両端のうち一端を金
属枠体に固定し、発fJ)体の他端をクッション部材の
一部と固定し、クツ99フ部材の一部を金属枠体に固定
することにより、発熱体の発熱時に生じる熱膨張に対し
てクノソヨン部材が発熱体の熱膨張を吸収して、発り!
)体の破I11を防ぎ、また発熱体をクツ91フ部材を
介して金属枠体に固定したことから、振動の激しい所に
おいても使用可能にしたセラミック発熱体の支持構造を
提供することを目的としたものである。(Object of the Invention) In order to solve the above-mentioned drawbacks, the present invention provides a ceramic heating element in a metal frame, fixes one end of the heating element to the metal frame, and By fixing the other end to a part of the cushion member and fixing a part of the shoe member to the metal frame, the cushion member absorbs the thermal expansion of the heating element that occurs when the heating element generates heat. Then, leave!
) An object of the present invention is to provide a support structure for a ceramic heating element that prevents damage to the ceramic heating element and can be used even in places with strong vibrations since the heating element is fixed to a metal frame via a shoe member. That is.
(実施例)
以下本発明を第1図、第2図、第3図、第4図に示す実
施例について説明する。第1図および第2図において開
i」部23を有する例えば゛「iNと3 i 3 N
4とからなるセラミック製の面状発熱体lおよび2は、
隙間を介して金属枠体5の内部に設置され、面状発熱体
1. 2の一端には切れ込み部24が設けられている。(Embodiments) The present invention will be described below with reference to embodiments shown in FIGS. 1, 2, 3, and 4. In FIGS. 1 and 2, for example, ``iN and 3 i 3 N
Ceramic planar heating elements 1 and 2 consisting of 4 are
The planar heating element 1 is installed inside the metal frame 5 through a gap. A notch portion 24 is provided at one end of 2.
面状発熱体1.2の一端は、面状発熱体1と面状発熱体
2との間に絶縁性スペーサ3を挟持して、ボルト4によ
って金属枠体5に固定されている。また面状発熱体2と
金属枠体5との間には、金属枠体側に絶縁性スペーサ1
8を挟み、また面状発熱体側にステンレス製のI、型金
属板14の一端が挟んである。また、ボルト4と面状発
熱体1との間にはステンレス製の金属板20が設けられ
である。また面状発熱体1゜2の端部の両面には通電性
を良(するために白金をペースト状にしたものを塗り乾
燥させた白金塗布部19がある。L型金原板14の他端
は、絶縁性スペーサ16と共に、ボルト15およびナツ
ト17によって金属枠体5に固定されている。面状発熱
体1,2の他端は、面状発熱体1と面状発熱体2との間
に導電性スペーサ8をボルト6とナツト7とによって挟
持している。またボルト6と面状発熱体1およびナツト
7と面状発熱体2との間には、それぞれステンレス製の
金属板20が設けられである。第3図において、導電性
スペーサ8には金属製の板バネ9の一端がボルトIOに
よって取り付けられている。そして板バネ9の他端は、
絶縁性スペーサ11と共に、金属枠体5にボルト12お
よびナツト13によって固定されている。One end of the planar heating element 1.2 is fixed to the metal frame 5 with a bolt 4, with an insulating spacer 3 sandwiched between the planar heating element 1 and the planar heating element 2. Also, between the planar heating element 2 and the metal frame 5, there is an insulating spacer 1 on the metal frame side.
8, and one end of a stainless steel I-shaped metal plate 14 is sandwiched on the sheet heating element side. Further, a stainless steel metal plate 20 is provided between the bolt 4 and the planar heating element 1. In addition, on both sides of the end of the planar heating element 1゜2, there is a platinum coated part 19 which is coated with a platinum paste and dried to ensure good electrical conductivity.The other end of the L-shaped gold plate 14 is are fixed to the metal frame 5 by bolts 15 and nuts 17 together with an insulating spacer 16.The other ends of the sheet heating elements 1 and 2 are connected between the sheet heating elements 1 and 2. A conductive spacer 8 is held between the bolt 6 and the nut 7. Also, between the bolt 6 and the sheet heating element 1 and between the nut 7 and the sheet heating element 2, a stainless metal plate 20 is provided. In FIG. 3, one end of a metal leaf spring 9 is attached to the conductive spacer 8 with a bolt IO.The other end of the leaf spring 9 is
Together with an insulating spacer 11, it is fixed to the metal frame 5 with bolts 12 and nuts 13.
なお、板バネ9は、絶縁スペーサ11により金属枠体5
との間と、ワッシャー25により面状発熱体1,2との
間にそれぞれ隙間を設けである。そして、ボルト12お
よびボルト15はバッテリー電圧が印加される端子部を
兼ねている。Note that the leaf spring 9 is attached to the metal frame 5 by an insulating spacer 11.
A gap is provided between the sheet heating elements 1 and 2 by the washer 25, and a gap is provided between the sheet heating elements 1 and 2 by the washer 25. The bolts 12 and 15 also serve as terminals to which battery voltage is applied.
吹に、上記構成においてその作動を説明する。First, the operation of the above configuration will be explained.
インテークエアーヒータ21の端子部であるボルト12
およびポル115には、エンジンの低温始動時において
は、制御回11f%、リレーなど(図示・υず)を介し
C、バッテリー電圧が印加される。Bolt 12 which is the terminal part of intake air heater 21
When the engine is started at a low temperature, the battery voltage C is applied to the control circuit 11f%, a relay, etc. (not shown) to the pole 115.
電流の流れ方は2通りあり、第1方法は、バッテリー電
圧がボルト12に印加され、電流は板バネ9.ボルト1
0□導電性スペーサ8を通って、面状発熱体lおよび2
に流れる。そし゛C面状発熱体lに流れた電流は、ボル
ト4を介して金属枠体5と流れ、アースされる。また、
面状発熱体2に流れた電流は、■、型全金属板14りボ
ルト15へと流れる。この時ボルト15を“r−スしζ
おく。There are two ways for the current to flow.The first method is that the battery voltage is applied to the bolt 12 and the current flows through the leaf spring 9. bolt 1
0□ Through the conductive spacer 8, the planar heating elements l and 2
flows to The current flowing through the C-shaped heating element 1 flows through the bolt 4 to the metal frame 5 and is grounded. Also,
The current flowing through the planar heating element 2 flows to the bolt 15 of the all-metal plate 14. At this time, tighten the bolt 15
put.
第2方法番」、バッテリー電圧をボルト15に印加され
、電流はL’W金属Fii14を介して面状発熱体2に
流れ、導電性スペーサ8から面状発熱体1へと流れ、ボ
ルト4を介して金属枠体5へと流れ′ζアースされる。In the second method, the battery voltage is applied to the bolt 15, the current flows through the L'W metal Fii 14 to the sheet heating element 2, from the conductive spacer 8 to the sheet heating element 1, and the current flows through the bolt 4. It flows through the metal frame 5 and is grounded.
この時、ボルト12は開放しておく。このように電流を
流すことにより、面状発熱体1,2は発熱し、エンジン
の吸入空気を加νすることとなる。At this time, the bolt 12 is left open. By passing current in this way, the planar heating elements 1 and 2 generate heat, which increases the intake air of the engine.
上記のようにして発熱した面状発熱体1,2は、発熱に
より熱膨張を生じるが、前述の構造にすることで、熱膨
張によって生じる面状発熱体1,2の伸びを仮バネ9に
より、その伸びを吸収し、面状発熱体1.2の破損を防
ぎ、また板バネ9が第1図における上下方向、および第
2図における上下方向に対して曲がりにくいように設置
しであるので、激しい振動に対しても耐えれる構造とな
っている。The planar heating elements 1 and 2 that generate heat as described above undergo thermal expansion due to the heat generation, but with the above-described structure, the elongation of the planar heating elements 1 and 2 caused by thermal expansion is suppressed by the temporary spring 9. , to absorb the elongation and prevent damage to the planar heating element 1.2, and to prevent the plate spring 9 from bending in the vertical direction in FIG. 1 and in the vertical direction in FIG. It has a structure that can withstand severe vibrations.
ちなみに、面状発熱体1.2と金属枠体5との間に設け
られた板バネ9をなくし、ボルトなどにより金属枠体5
に直接固定して、本実施例のセラミック製(T i N
+S i 3N4)の面状発熱体1゜2を使用した場合
、熱膨張係数が3X10−6/°C1ヤング率が約20
,000kg/−であるので、例えばt o o o
’cの温度上昇に対しては、60kg/−もの熱応力を
生じてしまい、仮に均一に発熱したとしても本実施例の
ような開口部23を有する面状発熱体1. 2では、構
部26が熱応力に耐えきれず容易に座屈して破壊してし
まう。By the way, the plate spring 9 provided between the planar heating element 1.2 and the metal frame 5 is removed, and the metal frame 5 is fixed with bolts or the like.
The ceramic (T i N
+S i 3N4) When using a sheet heating element 1°2, the coefficient of thermal expansion is 3X10-6/°C1 Young's modulus is approximately 20
,000kg/-, so for example, t o o o
For a temperature rise of 'c, a thermal stress of 60 kg/- is generated, and even if heat is generated uniformly, the planar heating element 1 having the opening 23 as in this embodiment. In No. 2, the structural portion 26 cannot withstand the thermal stress and easily buckles and breaks.
また、板バネ9を取り付+)ないで、その部分に直接リ
ード線を付りるなどして、いわゆるフリーな状態(片持
構造)にしCやる・と、発熱による熱膨張で破壊するこ
とはないが、耐振強度が充分でない。第5図は振動試験
結果の一例を示すもので、加振力10Gの正弦波加振を
行い、周波数に対し゛ζポルl−6に貼付した加速度ピ
ックアップからの変位信号(実効値)を縦軸にとったも
のである。Also, if you do not attach the leaf spring 9 and attach a lead wire directly to that part to make it in a so-called free state (cantilever structure), it may break due to thermal expansion due to heat generation. However, the vibration resistance is not sufficient. Figure 5 shows an example of the vibration test results. Sine wave excitation with an excitation force of 10 G was performed, and the displacement signal (effective value) from the acceleration pickup attached to the It is centered on this.
図中破線は板バネ9をなくし、片持構造にした場合のも
ので、370 Hzあたりに共振点が存在し、この場合
加振力を15Gまで高めた場合に、面状発熱体1,2は
破1nシ゛ζしまった。しかるに、板バネ9を取り付け
ることにより共振特性は実線のように変化し、共振周波
数が690 ]1zと高くなり、共振点における変位も
減少した。従って耐振強度とし゛(は40Gの加振力に
も1IiJえられる構造となった。The broken line in the figure shows the case where the plate spring 9 is eliminated and a cantilevered structure is used, and there is a resonance point around 370 Hz. In this case, when the excitation force is increased to 15G, It was broken in 1n pieces. However, by attaching the leaf spring 9, the resonance characteristics changed as shown by the solid line, the resonance frequency increased to 690]1z, and the displacement at the resonance point also decreased. Therefore, the structure has a vibration resistance strength of 1IiJ even with an excitation force of 40G.
なお上述の実施例においては、面状発熱体1゜2をポル
14にてlゲ所で固定し、また、板バネ9を金属枠体5
に取り付ける位置を第1図の右側にしていたが、第6図
において面状発熱体1.2を2ケ所にてボルト4により
金属枠体5の取付部27に固定し、また、バッテリー電
圧を印加する端子となるボルト12の位置を、第6図に
おいて金属枠体5の下方に設けたため、板バネ9がL字
形状となっている。なお第6図において面状発熱体は1
枚しか見えないが面状発熱体Iにより面状発熱体2は隠
れている。In the above-mentioned embodiment, the planar heating element 1゜2 is fixed at the lug with the pin 14, and the leaf spring 9 is attached to the metal frame 5.
The heating element 1.2 was fixed to the mounting part 27 of the metal frame 5 at two places with bolts 4 in Fig. 6, and the battery voltage was adjusted to the right side in Fig. 1. Since the bolt 12 serving as the terminal for applying voltage is located below the metal frame 5 in FIG. 6, the plate spring 9 has an L-shape. In addition, in Fig. 6, the sheet heating element is 1
Although only one sheet is visible, the sheet heating element 2 is hidden by the sheet heating element I.
また第7図、第8図におい−Cは板バネ9の形状を第8
図のようにすることで、ボルト6により面状発熱体1,
2に結合させている。なお、第7図において第6図と同
様、面状発熱体2は面状発熱体1により隠されている。In addition, in FIGS. 7 and 8, the shape of the leaf spring 9 is shown in FIG.
By doing as shown in the figure, the planar heating element 1,
It is combined with 2. Note that in FIG. 7, the planar heating element 2 is hidden by the planar heating element 1, as in FIG. 6.
また、第9図、第10図は板バネの形状に関するさらに
他の実施例を示しており、板バネ9を小さくし、板バネ
9を金属枠体5に固定Jるボルト12を金属枠体内部に
格納しである。Moreover, FIGS. 9 and 10 show still another embodiment regarding the shape of the leaf spring, in which the leaf spring 9 is made smaller and the bolts 12 for fixing the leaf spring 9 to the metal frame 5 are fixed to the metal frame 5. It is stored internally.
これまで、各固定部においてすべてをボルト。So far, bolt everything on each fixed part.
ナツトで行ってきたが、金属枠体5と14型金属板14
との固定、および板バネ9と金属枠体5との固定はりベ
ットによる絞めでもよく、面状発熱体1.2と金属枠体
5との固定は面状発熱体1の上部よりピンを通して金属
枠体5の下部で溶接しζもかまわない。I went with Natsu, but the metal frame 5 and the 14 type metal plate 14
The flat heating element 1.2 and the metal frame 5 may be fixed by a fixing beam bed between the leaf spring 9 and the metal frame 5, and the sheet heating element 1.2 and the metal frame 5 can be fixed by inserting a pin from the top of the sheet heating element It is also possible to weld at the lower part of the frame 5 and ζ.
また面状発熱体1.2に関して、+1110の形状は各
実施例におい゛C長細い小判形をしているが、形状はこ
れに限らず円形など通気可能な形であればよい。Regarding the planar heating element 1.2, the shape of +1110 is an elongated oval shape in each embodiment, but the shape is not limited to this and may be any shape that allows ventilation, such as a circle.
また発熱体を面状としてきたが、これを数本のむラミッ
ク製の棒を用い、その棒の両端を金属板に接着などして
固定して発熱体としてもよい。Further, although the heating element has been made into a planar shape, the heating element may also be formed by using several lamic rods and fixing both ends of the rods to a metal plate by bonding or the like.
また各実施例において、面状発熱体を2枚としてきたが
、枚数はこれに限らず1枚でもかまわない。Further, in each of the embodiments, the number of planar heating elements is two, but the number is not limited to this and may be one.
また板バネに関して各実施例では、−ぢ1lilにだけ
板バネ9を設り′Cいたが、両端に設けてもかまわない
し、また−Of!Jに■(固だけしか設けていなかった
が、一端に数個膜り“どもかまわない。Regarding the leaf spring, in each embodiment, the leaf spring 9 was provided only at -1lil, but it may be provided at both ends, or -Of! ■(Only a hard one was installed, but there were a few membranes on one end.) ``It doesn't matter.
また面状発熱体1.2の端部には、白金塗布部また発熱
体をクッション部材を介して、金属枠体に固定している
ので、振動の激しい所においても使用可能であるという
優れた効果がある。In addition, the ends of the planar heating element 1.2 are coated with platinum, and the heating element is fixed to the metal frame via a cushion member, so it can be used even in places with strong vibrations. effective.
第1図は、本発明の一実施例を示す正面図、第2図は、
第1図におけるA−A ′断面図、第3図は、第2図に
おけるB−B’断面図、第4図は、本発明の一使用方法
であるインテークヒータを内燃機関の吸気系に設置した
断面模式図、第5図は、本発明の板バネを設けた場合と
、片持構造にした場合との、性能比較に用いる振動試験
結果の一例を示すグラフ、第6図は、本発明の面状発熱
体の支持および板バネに関する他の実施例を示す正面図
、第7図は、本発明の板バネに関する他の実施例を示す
正面図、第8図は、第7図における板バネの斜視図、第
9図は、本発明の板バネに関するさらに他の実施例を示
す正面図、第10図は、第9図におけるc−c’断面図
である。
■、2・・・発熱体、5・・・金属枠体、9・・・クツ
シロン部材をなす板バネ。
手続禎正書
昭和58年11月 9日
特許庁長官 殿
1事件の表示
セラミック発熱体の支持構造
3補正をする者
事件との関係 特許出願人
愛知県刈谷市昭和町1丁目1番地
(426)日本電装株式会社
代表者 戸口J憲吾
4代 理 人
〒448 愛知県刈谷市昭和町1丁目1番地5補正の対
象
明細書の発明の詳細な説明の欄。
6補正の内容
ill 明細書の9ページの後に、別紙の文を追加しま
す。
19があるが、ここ塗るものは白金に限らず、銀やニッ
ケルなど通電性を良くするものなら他のものでもかまわ
ない。
以上、各実施例において、クッション部材として板バネ
9を使用してきたが、クツシロン部材は板バネに限らず
、コイルスプリングを面状発熱体1.2と金属枠体5と
の間に設けてクツシロン部材としてもよく、また波板状
の金属板を面状発熱体1.2と金属枠体5との間に固定
してクッション部材としてもよく、つまりクンシUン部
材は面状発熱体1.2の発熱時のF8膨張を吸収する部
材であれば、板バネ9に限ったものではない。
(発明の効果)FIG. 1 is a front view showing one embodiment of the present invention, and FIG. 2 is a front view showing an embodiment of the present invention.
FIG. 3 is a cross-sectional view taken along line A-A′ in FIG. 1, FIG. 3 is a cross-sectional view taken along line B-B′ in FIG. 2, and FIG. FIG. 5 is a graph showing an example of the vibration test results used for performance comparison between the case where the plate spring of the present invention is provided and the case where a cantilever structure is provided, and FIG. 6 is a graph showing an example of the vibration test results used for performance comparison. FIG. 7 is a front view showing another embodiment of the plate spring of the present invention, and FIG. 8 is a front view of another embodiment of the plate spring of the present invention. FIG. 9 is a perspective view of the spring, FIG. 9 is a front view showing still another embodiment of the leaf spring of the present invention, and FIG. 10 is a sectional view taken along line cc' in FIG. ■, 2... Heating element, 5... Metal frame, 9... Leaf spring forming the cutlet member. Registration of Procedures November 9, 1980 Commissioner of the Japan Patent Office Relationship with Case 1 of Person Who Amends Display Ceramic Heating Element Support Structure 3 Case Patent Applicant 1-1 Showa-cho, Kariya City, Aichi Prefecture (426) Nippondenso Co., Ltd. Representative Kengo Toguchi J. 4th Director Osamu 1-1-5 Showa-cho, Kariya-shi, Aichi Prefecture 448 Column for detailed explanation of the invention in the specification subject to the amendment. 6. Contents of amendment ill Add a separate sentence after page 9 of the specification. 19, but the coating material here is not limited to platinum, and other materials such as silver or nickel that improve conductivity may be used. In each of the embodiments described above, the leaf spring 9 has been used as the cushion member, but the cushion member is not limited to the leaf spring. Alternatively, a corrugated metal plate may be fixed between the planar heating element 1.2 and the metal frame 5 to serve as a cushion member. The plate spring 9 is not limited to any member as long as it absorbs the F8 expansion during heat generation. (Effect of the invention)
Claims (1)
して、セラミック製の発熱体を設け、tail記発熱体
の両端のうら一端を金属枠体に固定し、前記発熱体の他
端をクツ21フ部材の−1415と固定し、前記クツ2
9フ部材の一部を前記金属枠体に固定したことを特徴と
するセラミック発熱体の支持構造。A ceramic heating element is provided in the metal frame through a gap with the metal frame in a ventilable state, one end of the back of both ends of the heating element is fixed to the metal frame, and the other end of the heating element is fixed to the metal frame. -1415 of the shoe 21 foot member, and
A support structure for a ceramic heating element, characterized in that a part of the 9F member is fixed to the metal frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58208015A JPS60100390A (en) | 1983-11-04 | 1983-11-04 | Supporting structure of ceramic heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58208015A JPS60100390A (en) | 1983-11-04 | 1983-11-04 | Supporting structure of ceramic heater |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60100390A true JPS60100390A (en) | 1985-06-04 |
Family
ID=16549259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58208015A Pending JPS60100390A (en) | 1983-11-04 | 1983-11-04 | Supporting structure of ceramic heater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60100390A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6149058U (en) * | 1984-09-05 | 1986-04-02 | ||
US20180327234A1 (en) * | 2015-11-10 | 2018-11-15 | Terex Global Gmbh | Mobile crane and method for angling a main jib extension relative to a main jib of a mobile crane |
US20180339889A1 (en) * | 2015-11-24 | 2018-11-29 | Terex Global Gmbh | Mobile crane for angling a main jib extension relative to a main jib of a mobile crane |
US20180346291A1 (en) * | 2015-11-10 | 2018-12-06 | Terex Global Gmbh | Mobile crane and method for angling a main jib extension relative to a main jib of a mobile crane |
-
1983
- 1983-11-04 JP JP58208015A patent/JPS60100390A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6149058U (en) * | 1984-09-05 | 1986-04-02 | ||
US20180327234A1 (en) * | 2015-11-10 | 2018-11-15 | Terex Global Gmbh | Mobile crane and method for angling a main jib extension relative to a main jib of a mobile crane |
US20180346291A1 (en) * | 2015-11-10 | 2018-12-06 | Terex Global Gmbh | Mobile crane and method for angling a main jib extension relative to a main jib of a mobile crane |
US10647553B2 (en) * | 2015-11-10 | 2020-05-12 | Terex Global Gmbh | Mobile crane and method for angling a main jib extension relative to a main jib of a mobile crane |
US20180339889A1 (en) * | 2015-11-24 | 2018-11-29 | Terex Global Gmbh | Mobile crane for angling a main jib extension relative to a main jib of a mobile crane |
US20180346292A1 (en) * | 2015-11-24 | 2018-12-06 | Terex Global Gmbh | Mobile crane and method for angling a main boom extension in relation to a main boom of a mobile crane |
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