US1941270A - X-ray apparatus - Google Patents

X-ray apparatus Download PDF

Info

Publication number
US1941270A
US1941270A US276882A US27688228A US1941270A US 1941270 A US1941270 A US 1941270A US 276882 A US276882 A US 276882A US 27688228 A US27688228 A US 27688228A US 1941270 A US1941270 A US 1941270A
Authority
US
United States
Prior art keywords
container
ray tube
spherical
rings
high voltage
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.)
Expired - Lifetime
Application number
US276882A
Other languages
English (en)
Inventor
Oscar H Pieper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US276882A priority Critical patent/US1941270A/en
Priority to GB21879/30A priority patent/GB361855A/en
Priority to GB28927/31A priority patent/GB361870A/en
Priority to FR699864D priority patent/FR699864A/fr
Priority to NL52774A priority patent/NL36259C/xx
Priority to NL59178A priority patent/NL32289C/xx
Application granted granted Critical
Publication of US1941270A publication Critical patent/US1941270A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/02—Constructional details
    • H05G1/04—Mounting the X-ray tube within a closed housing

Definitions

  • the de- 8 sideratum is a metallic container for the'tube, but thelproblems of high voltage isolation and of the necessary manipulation of the tube must be met before protection by such means can be realized.
  • Y 10 AI provide a metallic container, and ground it,
  • My structure accommodates the standardtube and does so in such a way that, although. the tube is enclosed, the usual cone, which identies the center line of the ray, is capable of the same range of adjustment as that which now obtains in the case of un-enclosed tubes, this being accomplished by the Aparticular mechanical constructions and arrangements of parts which constitute features of my invention. y
  • Figure 1 is an elevational View of an X-ray structure embodying my invention, illustrating the means for supporting the assembly with whichv my invention has to do, this viewbeing supplemented by a diagrammatic showing of a typical circuit therefor;
  • Figure 2 is a cross sectional view, on a larger scale, taken on the plane of the line 2-2 of Figure 1 and looking Vin the direction indicated by the arrows; and f Figure 3 is a cross sectional View taken on the Vplane of the line v3--3 of Figure 2 and looking in the'tdirection indicated by the arrows.
  • the main supporting arm which extends fromthe,X-ray-apparatus, ⁇ is shown at 4, Vthis main supporting arm having Vvthe Aauxiliary supporting arm 5 Yslidably mounted thereon.
  • the downwardly extending kforearm Y 6 is Vpivotallymounted ,upon thefree end lof the necting with the ⁇ interior of 'the container as auxiliary, supporting arm'5, upon the axis at, a locking screw 7 being provided to hold vthe forearm in any adjusted position.
  • the forearm 6 terminates in a supporting ring 7 in rwhich a vertically adjustable supporting tube 8 Vis 60 mounted, a thumb screw 9 being providedto set the tube 8 in any adjusted position.
  • a metallic container 12, 65 shownl in greater detail in Figures 2 and 3 is attached to the lower ends of the fork branches l0 ⁇ and l1, the interior of these branchesy conclearly shown in Figure 3.
  • the container 12 is of tubular formation and is closed at one end by the hemi-spherical wall 13 and at its other end by a hemispherica1 cap M Y y In its middle portion, the container 12 is provided with an oblong slotv 15 whichV extends part way around the container, as best shown in Figure 2, and which has its sides lying in planes at right angles tothe axis of the container,
  • rings 16 and ⁇ 17 having By this'means the two rings maybe vdrawnr'together appropriately to clamp ⁇ the enlarged middle portion of the X- ray tube between them, felt pads 21, 2l being provided between the'Xf-rayV tube and the rings for cushioning ⁇ purposes.
  • the respectiverings are disposed at the sides of the slot 15, as shown 'in Figure 3, and their peripheries are embraced by a collar 22 which serves 100 to close lthe slot whatever may be'the angular position vo f the rings within the range ⁇ o f action provided.
  • the collar 22 is providedwith a circular opening surrounded fby'a rim 23 which' extends'V out- 105 wardly through the slot 15 upon an axis-intersecting the aXisof the X-ray tube and the container.
  • An internally "threaded .supporting ring 24 fits intothe rimv 23v andis secured thereto by means of screws 25, 25.
  • the usual X-ray 110 80 lperipheral anges, are mounted, as vwill appear cone, of hard rubber, shown at 26, is screwed into the' supporting ring 24, as best shown in Figure 2.
  • the collar 22 is held upon the rings 15 and 17 by means of screws 27, 27 threaded in nuts lodged in the rings, as indicated in Figure 3.
  • FeltY rings 29, 29 lie between the inner surface of the container 12 and the rings 16 and 17, engaging preferably in grooves 30, 30 in the peripheries of the rings, as shown.
  • the cone 26 is positioned to identify the center line of the ray from the focal spot and is manipulated to direct the rays where desired.
  • the operator For in-V stance, in dental work, it is usual for the operator to place the apex of the cone against or near the face of the patient, with its axis set in the desired direction of the rays for the purpose of producinga so-called radiograph upon the film held within the mouth of the patient.
  • the container 12 can readily be brought to appropriate position, the ability of the tube 3 to move angularly about its own axis permitting the appropriate disposition of the axis of the container and therefore of the tube.
  • the final adjustment i.
  • the adjustment of the cone may then be made to any degree of nicety required.
  • the axis of the cone has an adjustment through an angle or" about 115 degrees, this being determined by the length of the slot 15 and being indicated by the dotted lines in Figure 2.
  • the filament end of the X-ray tube is provided with terminals 31, 31, which are connected in circuit by means of conductors 32, 32, leading through the tubular fork branch l1 and out through a convenient opening 33 provided at the yoke.
  • the high tension terminal 34 is provided with a radiator, as is usual in the art, the radiator in this instance, however, comprising iins of varying diameter, as ⁇ shown in Figure 3, in order to approximate an over-all spherical contour.
  • the radiator 35 is surrounded by a spherical metallic housingV 36 disposed concentrically with the hemi-spherical end 13.
  • the high tension conductor 36 enters the container 12 by way of the tubular support 8 and the tubular fork branch 10, being lodged in soft rubber tubing 37 passing through the tubular members 8 and 10.
  • the lower end of the high tension conductor 36' which is of generous diameter, is provided with a socket 3S in kwhich.
  • a spring pressed Contact plunger 39 is disposed, this plunger, as shown in Figure 3, engaging with the surface of the sphere 36 as part of the high voltage circuit. 1t will now be clear that as the X-ray tube 18 is adjusted angularly, the plunger 39 will ride upon the outer surface of the sphere 36, vmaking continuous contact therewith, in order to maintain the high voltage circuit whatever may be the adjustment of the X-ray tube.
  • the high voltage conductor 36' yleads to the top of the tubular support 8 where, at 40, the high tension wire 41 is connected.
  • This high tension wire supported in insulators 42, 42, mounted upon the main supporting arm 4 and forearm 5, respectively, ,leads back to the trans-V former in the apparatus.
  • a supporting arm a grounded metallic tubular container adjustably mounted on said arm and vhaving a slot in the cylindrical wall thereof, a supporting structure movably mounted within said container and having a focusing member extending through said slot, an X-ray tube isolated in said container in said supporting structure, a iilament circuit for said 'X-ray tube, and a high tension circuit for said X-ray tube, said high tension circuit being grounded.
  • grounded metallic tubular container adjustably 165 mounted on said arm and having an opening in theY cylindrical wall thereof, an X-ray tube rotatably mounted in said container, said container surrounding said X-ray tube apart from other apparatus, a focusing member mounted to rotate with said X-ray tube and extending through said opening for movement therein, a filament circuit for said X-ray tube, andV a high tension circuit for said X-ray tube, said high tension circuit being grounded.
  • a tubular housing having a slot in the cylindrical wall thereof, an annular supporting structure, the outer periphery of said structure being concentric withY and having bearing relation to the inner surface of said housing, and an X-ray tube having its midportion fitting in said supporting structure.
  • a tubular container having a slot in the cylindrical wall thereof, a pair of rings of insulating material mounted for rotary movement in said container, an X-ray tube having the enlarged central portion thereof clamped between said rings, and a cone mounted upon said rings and extending through said slot.
  • an X-ray tube mounting a tubular container having a slot in the cylindrical wallthereof, a pair of rings of insulating material mounted for rotary movement in said container, a collar embracing and secured to said rings and having a lateral supporting rim extending through said 150 supported co-axially Within said container and.
  • an X-ray tube having its high voltage terminal provided with a radiator comprising fins of varying diameter toV present a spherical contour, a metallic spherical housing fitting over said'radiator, a container enclosing said X-ray tube and having a hemi-spherical end disposed concentrically with and distanced from said spherical housing.
  • a tubular container having hemi-spherical ends and having a slot in the cylindrical Wall thereof, a supporting structure mounted in said container for rotary movement therein, an X-ray tube mounted in said supporting structure co-axially With said container, and with its focal spot in the zone of said slot, the
  • a metallic container with a hemifspherical end an X-ray tube rotatably supported in said container and having its high voltage terminal enclosed by a metallic housing with a spherical surfaceA in said henri-spherical end, a conductor leading to said high voltage terminal, and wiping contact means between said conductor and said spherical surface.
  • a metallic ⁇ container with a hemi-spherical end an X-ray tube supported in said container and having its high voltage terminal enclosed by a spherical housing in said hemi-spherical end, said tube being capable ofV angular adjustment on its own axis, a high voltage conductor leading into said container and having wiping contact upon said spherical housmg.
  • a metallic container with a hemi-spherical end
  • an X-ray tube supported in said container and having its high voltage terminal enclosed by a spherical housing in said henri-spherical end, said tube being capable of angular adjustment on its own axis, a high Voltage conductor leading into said container, and a spring pressed plunger for" the end of said high voltage conducto-r engaging said' sphericall housing.
  • a tubular container mounted upon a tubular fork extending from a tubular support, an X-ray tube mounted for rotary movement within said container, a soft rubber hose disposed in one branch of said fork, a high tension wire passing through said tubular support and said hose to Within said container where itis connected to the high voltage terminal of said X-ray tube, and conductors for the filament of said X-ray tube leading fromterminals at Athe other end thereof through the other branch of said fork.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • X-Ray Techniques (AREA)
US276882A 1928-05-11 1928-05-11 X-ray apparatus Expired - Lifetime US1941270A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US276882A US1941270A (en) 1928-05-11 1928-05-11 X-ray apparatus
GB21879/30A GB361855A (en) 1928-05-11 1930-07-19 Improvements in x-ray apparatus
GB28927/31A GB361870A (en) 1928-05-11 1930-07-19 Improvements in x-ray apparatus
FR699864D FR699864A (fr) 1928-05-11 1930-07-25 Montage de tube à rayons chi
NL52774A NL36259C (nl) 1928-05-11 1930-08-26 houder voor een roentgenbuis
NL59178A NL32289C (enrdf_load_stackoverflow) 1928-05-11 1931-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US276882A US1941270A (en) 1928-05-11 1928-05-11 X-ray apparatus

Publications (1)

Publication Number Publication Date
US1941270A true US1941270A (en) 1933-12-26

Family

ID=23058468

Family Applications (1)

Application Number Title Priority Date Filing Date
US276882A Expired - Lifetime US1941270A (en) 1928-05-11 1928-05-11 X-ray apparatus

Country Status (4)

Country Link
US (1) US1941270A (enrdf_load_stackoverflow)
FR (1) FR699864A (enrdf_load_stackoverflow)
GB (2) GB361855A (enrdf_load_stackoverflow)
NL (2) NL36259C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067146A (en) * 1989-11-09 1991-11-19 Siemens Aktiengesellschaft X-ray radiator
US20030099326A1 (en) * 2001-11-27 2003-05-29 Ge Medical Systems Sa Oil expansion compensation method for integrated X-ray generator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067146A (en) * 1989-11-09 1991-11-19 Siemens Aktiengesellschaft X-ray radiator
US20030099326A1 (en) * 2001-11-27 2003-05-29 Ge Medical Systems Sa Oil expansion compensation method for integrated X-ray generator
US6814488B2 (en) 2001-11-27 2004-11-09 Ge Medical Systems Global Technology Company, Llc Oil expansion compensation method for integrated X-ray generator

Also Published As

Publication number Publication date
NL32289C (enrdf_load_stackoverflow) 1934-03-15
NL36259C (nl) 1935-09-16
GB361855A (en) 1931-11-19
GB361870A (en) 1931-11-19
FR699864A (fr) 1931-02-20

Similar Documents

Publication Publication Date Title
US1946288A (en) Electron discharge device
US3579269A (en) Autoclavable power-pak seal
US1941270A (en) X-ray apparatus
US2232156A (en) Combined radiator, particularly for medical purposes
US1685928A (en) X-ray tube
US2642521A (en) End connection for tubular lamps
US2058105A (en) Rontgen tube
US1394144A (en) Incandescent-cathode apparatus
US2547996A (en) Portable x-ray unit
US2093735A (en) Ultraviolet light source
US1554996A (en) Spark plug
US2359351A (en) Connecting device
US2011540A (en) X-ray tube
US1635507A (en) Attachment for electric extension plugs
US1635822A (en) Diagnostic instrument
US556693A (en) Charles e
US1643453A (en) X-ray tube
US1437290A (en) X-ray-tube shield
US1935723A (en) Vacuum tube
US2763803A (en) Electrical discharge lamp
US1949760A (en) X-ray apparatus
US1820620A (en) Focusing flash light
US1560458A (en) Spotlight
US1556917A (en) Electrical apparatus
US1568086A (en) Unitary apparatus for projecting light rays