US2511896A - Device for flexibly interconnecting wave guides - Google Patents

Description

June 20, 1950 F. J. BINGLEY 2,511,896

DEVICE FOR FLEXIBLY INTERCONNECTING WAVE GUIDES Filed May 51, 1944 illlllllkllllllllllllllllll FZfX/BLE J5 M ll vVENTOR. g Q

Patented June 20, 1950 UNITED A STATES PATENT -O F E 1 'asirsss DEVICE For: FLEXIBLY INTERCONNECTING WAVE GUIDES mesne. assignments, to Philco Corporation,

guides.

Philadelphia, PM a corporation of Pennsyl Vania ApplicationfMay. s1 1944, serial 15am:

2 Claims. (01. 178-44) The present invention relates to wave guide apparatus and more particularlyto; a device for flexibly interconnecting two rigid rectangular wave guide sections.

terioration of the contacts with age.

the prior art.

' tion to provide an improved device for intercontions.

ing or moving contact parts.

connection with wherein vention;

used in the device shown in Figure 1;

ment shown in Figure 1;

and

shown in Figure 4.

In theuse'of ultra high frequency apparatus it 5 *quency energy to be transmitted by the wave frequently occurs that it is necessary to manipuguide. A plurality of loop conductors are posi- A late the wave guides by a movement whichnmay tioned in closely adjacent parallel planes spaced be longitudinal or at an angle to the normal diat equal distances from each other. In order to j rection of theiwave guide. In order to provide hold the plurality of rectangular loop conductors 1 for such movement various types of flexible wave "in position there is provided a flexible outer cov'- j guide connecting devices have been utilized, most ering or casing I2 which supports the loop meinof which employed a sliding or wiping contact bers H in normal position as shown. Preferably which subsequently developed leakage and dethe outer casing or covering I2 is formed of a It, thereflexible, elastic material so as to permit flexure fore, would be desirable to provide an improved of the device for angular displacement of wave type of device to permit a certain degree of anguguide sections to each other, and to permit a lar movement between wave guide sections which tain degree of compression or extension of the will overcome certain of the disadvantages of flexible section for limited longitudinal movement between the wave guide sections.

It, therefore, is an object of the present inven- The embodiment disclosed in Figure 3 is similar to that shown in Figure 1 with the addition of a necting wave guides so as to permit longitudinal Connecting conductive Strip Which preferably and angu1ar movement between wave uide secis made of phosphor bronze or other flexible material. Two phosphor bronze strips l3 are joined It is another object of the present invention to to each o the Conductors at pp provide a, device for flexibly interconnecting sides of the loop. If desired the conductor strips wave guide sections which does not utilize slidl3 may then be connected at each end to the wave guide sections to which the device is to be Other and further objects of the present inc ed. vention subsequently will become apparent by Figures 4 and 5 show another embodiment of reference to the following description taken in the present i vent on wherein a p a ty of conthe accompanying drawing ductive members Hi each formed of a generally rectangular piece of sheet metal are arranged in Figure 1 is a cross sectional representation of qua y Spaced apart planes determined y Spaca device for flexibly interconnecting wave guides ing lugs or members l5 which pref r are constructed in accordance with the present ine Of an insulating dielectric e l- Each of the members I4 is provided with a rec- Figure 2 is a plan view of one of the elements tahglllar Opening Which corresponds n ally to a configuration of a cross section of the Figure 3 shows a modification of th emb d1 40 wave guides to be interconnected by the flexible device. Each rectangular opening I6 is sur- Figure 4 is a cross sectional representation of rounded y adjacent forwardly bent p io s l1 another manner of constructing a flexible wave extending to the p e 0 p n n n the next guide or wave guide connecting device in accordadj EJ081113 sheet metal member '4. The forwardly ance with the principles of the present invention; bent Dortiflns are 80 arranged that y y engage the inner edge of the aperture l6 of the Figure 5 is a plan View of one of th b diadjacent openings when the device is flexed. The ments utilized in the construction of the device entire assembly is retained in alignment y an outer covering member l8 which preferably is Referring to the drawing and more particularly formed of an elastic material such as rubber. to Figures 1 and 2 it will be seen that there has The openings l6 preferably have a maximum been shown a portion of the device for flexibly dimension equal to about one half of the wave interconnecting the plurality of sections of rigid length of the energy to be transmitted by the wave guides, as for example rectangular wave wave de Each of the flexible interconnecting devices In accordance with the present invention the device shown in Figure 1 is formedof a" 1' plurality of ,loop'conductors Ii having as a maximum dimension 2. value commensurate to one half of the wave length of the ultra high ireshown in the drawing may be provided with suitable connectors of the type commonly utilized between wave guide sections so that the flexible interconnecting device is readily interposed between two wave guide sections to permit limited longitudinal andeangular movement-there! between. i a f While for the purpose of illustrating and describing the present invention certain specific embodiments have been shown in the drawin it is to be understood that theinventionuisnofl to be limited thereby since obviously such variations and other embodiments: may, be made as.

are commensurate with the spirittand scopeof the invention defined in the appended;;clai ms-.,

This invention is hereby claimed as follows: 1. A flexible wave guide for .conducting ultra high frequency electromagnetic wave energy;

comprising a plurality of flat sheet metalfmembers arranged in a plurality of equally closely spaced: arallel, planes, each metal member hav.-.-

an, p nin thereini surrounded. by bent V portionsl extending. into the, openingin thenext metal memberrand'; an outerflexible support maintaining said members in position 22A,. flexible wave, guideyfor conducting ultra.

high frequency electromagnetic wave, energy,

comprising a plurality: of 1 flatsheet metal vmemberslarranged. in aplurality. of equally closelyspaced parallel. planes veachimetal member hav ing; an, opening thereinlsurrounded by bent por- 4 tions extending into the opening in the next metal member, spacer elements interposed between consecutive ones of said members to maintain the spacing thereof, and an outer flexible support maintaining said members in position. it FRANK J. BINGLEY.

REFERENCES CITED :The following references are of record in the file of this patent:

UNITED STATES PATENTS OTHER REFERENCES.

Pr'acticaPAnalysis of U'Itra I-Iigh Frequency, by-J; R; Meagher' and I-I. J. Markley; published August, 1943; by-R; C; A. Service Co.,.Inc., Camden, New'Jersey, page 14.

Ser. No. 36?",195, Kohl, (A. P: C.), published May=18, 1943i

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