US2480059A - Contact terminal for thermionic tubes - Google Patents
Contact terminal for thermionic tubes Download PDFInfo
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- US2480059A US2480059A US644870A US64487046A US2480059A US 2480059 A US2480059 A US 2480059A US 644870 A US644870 A US 644870A US 64487046 A US64487046 A US 64487046A US 2480059 A US2480059 A US 2480059A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
- H01R33/76—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
- H01R33/7607—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket the parallel terminal pins having a circular disposition
- H01R33/7614—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket the parallel terminal pins having a circular disposition the terminals being connected to individual wires
- H01R33/7628—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket the parallel terminal pins having a circular disposition the terminals being connected to individual wires the wires being connected using solder
Definitions
- This invention relates to the construction and mounting for an electric contact terminal for use in making electrical connections to thermionic tubes and especially those of the sub-miniature type which are being developed for special work such as radar and hearing apparatus.
- These types of tubes are very small and have fine terminal wires of the order of .016 inch in diameter and spaced on .050 inch centers. It is the principal object of my invention to provide a contact terminal for these fine and closely spaced wires such that a connection can be made with these wires in an easy but highly effective manner.
- Another object of my invention is to provide a terminal to which the tube wires may be not only easily and effectively connected but one in which the tube may be easily replaced.
- Another object of my invention is to provide a design of a terminal which may be readily and securely fastened to a mounting strip or panel.
- Figure 1 is a plan view of the blank from which the terminal is made.
- Figure 2 is a side view of Figure 1 after the blank has been formed into the desired shape.
- Figure 3 is a view of Figure 2 looking from right to left.
- Figure 4 is an end view of Figure 2 looking from the bottom to the top, the view being turned 90 degrees.
- Figure 5 is a view substantially on the line 6-6 of Figure 2 before the terminal is inserted into the mounting panel and showing only section 3.
- Figure 6 is a view similar to Figure 5 but after the terminal has been mounted into the support plate or panel.
- Figure 7 is a view showing five of the terminals mounted on the panel with the connections from the tube made to the terminals.
- the scale is on approximately a ten to one ratio, that is to say that the parts are shown ten times larger than their normal size.
- I is a blank punched or formed from suitable metallic material such as beryllium copper of approximately .005 inch thick which I have found very satisfactory for the purpose.
- the blank has three sections, 2, 3 and 4, section 4 being of greater width than sections 3 and 2 while section 3 is somewhat wider than section 2. Between sections 2 and 3 there is a shoulder 5 and between the sections 3 and 4, a shoulder 6. Section 4 has a hole I therein for a purpose which will be later described.
- the section 2 has a tapering end 8 for ease of assembly into the panel. This tapered end has an orifice or opening 9 therein for making electrical connection thereto.
- the forces exerted in sides I0 and II by this cutting action produces additional elastic deformation of the semicircular portion of the section.
- the total elastic deformation of section 2 of the terminal compensates for minor variations in the size of hole, and width of terminal, and renders the holding force of the terminal in the panel relatively free from variation due to manufacturing tolerances.
- the length of the sides of section 3 is somewhat longer than the sides I 2 and I3 so that their edges will, by reason of the shoulder 5, act as a stop for locating the terminal in the panel member I5, which is preferably made of laminated plastic material.
- the section 4 of the terminal as shown in Figures 4 and 7 has a cylindrical portion I6 which extends into oppositely positioned sides I I and I8 that act as two opposing leaf springs meeting to form a contact gripping edge I9 which has a length corresponding to the line I9 (see Figure 2).
- a tube T is held to the panel I5 in any satisfactory manner as by a strap 20 and screws 2
- the hole I is located in section 4 so its axis as shown in the drawing intersects the long 7 in Figure 7 may be varied to suit conditions.
- a contact terminal for mounting an elec- H trical device such as a sub-miniature thermionic tube having conductors extending therefrom, in a rectangularly shaped hole in a panel of insulating material
- a member made from suitable sheet metallic material of considerable resilience said member having a plurality of sections, one at one end having an arcuately formed portion with side extended parts meeting to form a grip for a conductor coming from the tube, said arcuately formed portion having a hole therein to allow the tube conductor to pass into said grip, another section adjacent the first mentioned section arcuately formed with its sides in the same general direction as those of the first mentioned section so its sides will be spaced sufficiently to act as an assembly stop on the face of the panel and a further end section joined to the second mentioned section and formed L l-shaped in cross section so its sides and edges will be forced into the walls of said rectangularlyshaped hole in the panel to hold the terminal therein and also to receive
- a contact terminal for a thermionic tube having conductors extending therefrom, for mounting in a rectangularly shaped hole in an insulating strip or panel of suitable material comprising, a member of suitable metallic material, said member being rolled from a blank having sections of different widths, the widest section at one end after forming having an arcuately formed portion with the sides extending therefrom to meet in a gripping edge, said arcue ately formed portion midway between the.
- the next widest section adjacent the said widest section being formed generally U-shaped with its sides spaced farther apart than the width of the hole in said strip so as to engage the face of the panel adjacent the hole and thus act, as'a stop, the narrowest and opposite end section having the edges of its sides normally somewhat;
- a contact terminal for a thermionic tube comprising, a member of suitable metallic material, said member being made up of a plurality of tandemly arranged stepped sections of difierentwidth, the end section of thenarrowest width,
- a contact terminal for mounting a subminiature thermionic tube in a hole preferably polygonal in shape on a panel of suitable insulating material comprising, a member of suitable metallic material, said member having at least two sections arranged symmetrically about a common longitudinal axis, the section at one end of the terminal being normally much wider than the section at the opposite end, the latter section however, being longer, the wide end section after formation having an arcuately formed portion about said with a hole therein located on said for the purpose described, said arcuately formed portion ending in parts meeting in line edges to form a contact for a conductor coming from the tube, the narrower but longer end section having its opposite edges turned toward each other and having its free end tapered for ease in assembly, the formation to the rear of the tapered end being U-shaped in cross section so as to grip the walls of said polygonally shaped hole in said panel when forced into the hole and hold the terminal in operable position on the panel, the tapered end having means therein to receive a circuit conductor.
- a contact terminal for mounting an electrical device, such as a sub-miniature thermionic tube having conductors extending therefrom, on a panel of insulating material having a hole therein comprising, a member formed from sheet stock of suitable metallic material, said member initially having a plurality of sections each of differentwidth and length and each section being arcuately formed in the same general direction and having two oppositely disposed parts which are substantially symmetrical about a common axis through all sections, the wider end section having its parts formed to meet in edge contact and having a hole in its arcuate portion on the axis-to receive a conductor coming from the device, the middle section having its oppositely disposed parts spaced wider than the panel hole to act as; a stop on the panel and the narrow end section having its oppositely disposed parts formed to grip into the wall of the panel hole to hold the terminal in the panel and having means at its end to receive a circuit conductor.
- a contact terminal for mounting an electrical device in a hole of a panel of insulating material comprising a member of suitable resilient metall i,c; ;material,- said member being made of sheet stock and having before forming a plurality of sections each of greater width from one end to the other of said member and each section being substantially symmetrical about a central longitudinal axis through the member, the end section of the greatest: width being curvilinearly formed thesamegeneral direction so its edges meet in a line contact and having a, clearance hole located on said axis to pass a conductor coming from said device whereby the conductor will go between said meeting of edges, which form a contact surface longer than the diameter of said hole, the end section of the narrowest width being curvilinearly formed so its edges will grip the walls of the panel hole to hold the member in the panel, the free end of this section having means for attaching a circuit conductor thereto and an intermediate section between said end sections having its sides curvilinearly formed but having a wider spread than the diameter of the panel hole
Description
1949- F. s. STICKNEY 2,480,059
CONTACT TERMINAL FOR THERMIONIC TUBES Filed Feb. 1, 1946 h INVENTOR. FERNALD 5' STICKNEY Patented Aug. 23, 1949 UNITED STATES PATENTOFFIQE CONTACT TERMINAL FOR THERMIONIC TUBES Fernald S. Stickney, West Caldwell, N. J.
Application February 1, 1946, Serial No. 644,870
6 Claims. (Cl. 173-328) This invention relates to the construction and mounting for an electric contact terminal for use in making electrical connections to thermionic tubes and especially those of the sub-miniature type which are being developed for special work such as radar and hearing apparatus. These types of tubes are very small and have fine terminal wires of the order of .016 inch in diameter and spaced on .050 inch centers. It is the principal object of my invention to provide a contact terminal for these fine and closely spaced wires such that a connection can be made with these wires in an easy but highly effective manner.
Another object of my invention is to provide a terminal to which the tube wires may be not only easily and effectively connected but one in which the tube may be easily replaced.
Another object of my invention is to provide a design of a terminal which may be readily and securely fastened to a mounting strip or panel.
Other objects will be clear to one skilled in this art from a reading of the following specification taken in connection with the annexed drawing, wherein,
Figure 1 is a plan view of the blank from which the terminal is made.
Figure 2 is a side view of Figure 1 after the blank has been formed into the desired shape.
Figure 3 is a view of Figure 2 looking from right to left.
Figure 4 is an end view of Figure 2 looking from the bottom to the top, the view being turned 90 degrees.
Figure 5 is a view substantially on the line 6-6 of Figure 2 before the terminal is inserted into the mounting panel and showing only section 3.
Figure 6 is a view similar to Figure 5 but after the terminal has been mounted into the support plate or panel.
Figure 7 is a view showing five of the terminals mounted on the panel with the connections from the tube made to the terminals.
In all of the views the scale is on approximately a ten to one ratio, that is to say that the parts are shown ten times larger than their normal size. In the different views I is a blank punched or formed from suitable metallic material such as beryllium copper of approximately .005 inch thick which I have found very satisfactory for the purpose. The blank has three sections, 2, 3 and 4, section 4 being of greater width than sections 3 and 2 while section 3 is somewhat wider than section 2. Between sections 2 and 3 there is a shoulder 5 and between the sections 3 and 4, a shoulder 6. Section 4 has a hole I therein for a purpose which will be later described. Also the section 2 has a tapering end 8 for ease of assembly into the panel. This tapered end has an orifice or opening 9 therein for making electrical connection thereto. After the blank has been made as shown in Figure 1 it is formed into the shape shown in Figures 2 and 3. It will be noted from Figure 5 that the sides I0 and ll of section 2 are formed so as to be somewhat farther apart than the distance between the sides I2 and I3 of the rectangularly shaped hole I I made in the panel member I5. This is so that when the terminal is assembled into the hole It which I prefer to make square, these sides I0 and II will be compressed toward each other, and since the material should have considerable elasticity therein, these sides will exert pressure against side walls I2 and I3 of the hole M. Since the developed width of section 2 is greater than the width required to fill the square hole as shown, the edges of sides I0 and II tend to cut into the insulating material of the panel near the corners. Furthermore, the forces exerted in sides I0 and II by this cutting action produces additional elastic deformation of the semicircular portion of the section. The total elastic deformation of section 2 of the terminal compensates for minor variations in the size of hole, and width of terminal, and renders the holding force of the terminal in the panel relatively free from variation due to manufacturing tolerances. Furthermore, the length of the sides of section 3 is somewhat longer than the sides I 2 and I3 so that their edges will, by reason of the shoulder 5, act as a stop for locating the terminal in the panel member I5, which is preferably made of laminated plastic material.
The section 4 of the terminal as shown in Figures 4 and 7 has a cylindrical portion I6 which extends into oppositely positioned sides I I and I8 that act as two opposing leaf springs meeting to form a contact gripping edge I9 which has a length corresponding to the line I9 (see Figure 2).
contact I9 all as indicated in Figure 7.
In this figure a tube T is held to the panel I5 in any satisfactory manner as by a strap 20 and screws 2|, only one of which is shown. Extending from the tube T are five wires 22 of a size heretofore indicated and each of these wires passes through its associated hole I and between the sides I I and I8 of the terminal,
The hole I is located in section 4 so its axis as shown in the drawing intersects the long 7 in Figure 7 may be varied to suit conditions.
Likewise the thickness of the material-forming the terminal may be varied somewhat depending 1. A contact terminal for mounting an elec- H trical device, such as a sub-miniature thermionic tube having conductors extending therefrom, in a rectangularly shaped hole in a panel of insulating material comprising, a member made from suitable sheet metallic material of considerable resilience, said member having a plurality of sections, one at one end having an arcuately formed portion with side extended parts meeting to form a grip for a conductor coming from the tube, said arcuately formed portion having a hole therein to allow the tube conductor to pass into said grip, another section adjacent the first mentioned section arcuately formed with its sides in the same general direction as those of the first mentioned section so its sides will be spaced sufficiently to act as an assembly stop on the face of the panel and a further end section joined to the second mentioned section and formed L l-shaped in cross section so its sides and edges will be forced into the walls of said rectangularlyshaped hole in the panel to hold the terminal therein and also to receive a circuit conductor.
2. A contact terminal for a thermionic tube having conductors extending therefrom, for mounting in a rectangularly shaped hole in an insulating strip or panel of suitable material comprising, a member of suitable metallic material, said member being rolled from a blank having sections of different widths, the widest section at one end after forming having an arcuately formed portion with the sides extending therefrom to meet in a gripping edge, said arcue ately formed portion midway between the. sides having a hole therein the axis of which is substantially in alignment with said gripping edge, the next widest section adjacent the said widest section being formed generally U-shaped with its sides spaced farther apart than the width of the hole in said strip so as to engage the face of the panel adjacent the hole and thus act, as'a stop, the narrowest and opposite end section having the edges of its sides normally somewhat;
farther apart before installation than theiwi'dth of said hole in the insulating strip whereby when these sides are forced into the hole they will expansively engage opposite Walls of the hole while the edges of its sides cut into another wall to hold the terminal securely within the hole, the end of this narrowest section being'formed t receive a circuit conductor.
. 3'. A contact terminal for a thermionic tube comprising, a member of suitable metallic material, said member being made up of a plurality of tandemly arranged stepped sections of difierentwidth, the end section of thenarrowest width,
Tor
4 having resilient spaced sides arcuately formed on the central longitudinal axis of the member so as to grip the walls of a hole in a panel member of suitable insulating material and having an rifice therein at its free end to receive a circuit conductor, the section at the opposite end being the widest and having oppositely spaced parts meeting to form an elongated contact with these parts joined into an arcuately formed portion on said axis, this portion having 'a clearance hole therein in alignment with said elongated contact While an intermediate section is also arcuately formed about said axis with flared sides at least the outer edges of which are spaced a distance greater than the width of the hole in the panel was to-engage the face of the panel and act as stop means for the terminal.
4. A contact terminal for mounting a subminiature thermionic tube in a hole preferably polygonal in shape on a panel of suitable insulating material comprising, a member of suitable metallic material, said member having at least two sections arranged symmetrically about a common longitudinal axis, the section at one end of the terminal being normally much wider than the section at the opposite end, the latter section however, being longer, the wide end section after formation having an arcuately formed portion about said with a hole therein located on said for the purpose described, said arcuately formed portion ending in parts meeting in line edges to form a contact for a conductor coming from the tube, the narrower but longer end section having its opposite edges turned toward each other and having its free end tapered for ease in assembly, the formation to the rear of the tapered end being U-shaped in cross section so as to grip the walls of said polygonally shaped hole in said panel when forced into the hole and hold the terminal in operable position on the panel, the tapered end having means therein to receive a circuit conductor.
5. A contact terminal for mounting an electrical device, such as a sub-miniature thermionic tube having conductors extending therefrom, on a panel of insulating material having a hole therein comprising, a member formed from sheet stock of suitable metallic material, said member initially having a plurality of sections each of differentwidth and length and each section being arcuately formed in the same general direction and having two oppositely disposed parts which are substantially symmetrical about a common axis through all sections, the wider end section having its parts formed to meet in edge contact and having a hole in its arcuate portion on the axis-to receive a conductor coming from the device, the middle section having its oppositely disposed parts spaced wider than the panel hole to act as; a stop on the panel and the narrow end section having its oppositely disposed parts formed to grip into the wall of the panel hole to hold the terminal in the panel and having means at its end to receive a circuit conductor.
6, A contact terminal for mounting an electrical device in a hole of a panel of insulating material comprising a member of suitable resilient metall i,c; ;material,- said member being made of sheet stock and having before forming a plurality of sections each of greater width from one end to the other of said member and each section being substantially symmetrical about a central longitudinal axis through the member, the end section of the greatest: width being curvilinearly formed thesamegeneral direction so its edges meet in a line contact and having a, clearance hole located on said axis to pass a conductor coming from said device whereby the conductor will go between said meeting of edges, which form a contact surface longer than the diameter of said hole, the end section of the narrowest width being curvilinearly formed so its edges will grip the walls of the panel hole to hold the member in the panel, the free end of this section having means for attaching a circuit conductor thereto and an intermediate section between said end sections having its sides curvilinearly formed but having a wider spread than the diameter of the panel hole so the side edges adjacent the narrow end section will engage the panel and act as a 1 stop for said member,
FERNALD S. STICKNEY.
REFERENCES CITED UNITED STATES PATENTS Number Number
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US644870A US2480059A (en) | 1946-02-01 | 1946-02-01 | Contact terminal for thermionic tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US644870A US2480059A (en) | 1946-02-01 | 1946-02-01 | Contact terminal for thermionic tubes |
Publications (1)
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US2480059A true US2480059A (en) | 1949-08-23 |
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US644870A Expired - Lifetime US2480059A (en) | 1946-02-01 | 1946-02-01 | Contact terminal for thermionic tubes |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2550237A (en) * | 1947-06-14 | 1951-04-24 | Albert W Franklin | Socket contact |
US2613244A (en) * | 1948-09-02 | 1952-10-07 | Cinch Mfg Corp | Electric socket for miniature tubes |
US2747169A (en) * | 1953-02-20 | 1956-05-22 | Cinch Mfg Corp | Contact for printed circuits |
US2955352A (en) * | 1954-10-22 | 1960-10-11 | Ind Electronic Hardware Corp | Method of manufacturing a socket for sub-miniature electronic devices |
US2996794A (en) * | 1955-11-08 | 1961-08-22 | Illinois Tool Works | Terminal clip structure |
US3017604A (en) * | 1955-05-27 | 1962-01-16 | United Carr Fastener Corp | Vacuum tube socket |
US3086096A (en) * | 1957-02-05 | 1963-04-16 | United Electrodynamics Inc | Stepping switch |
US3147059A (en) * | 1960-05-19 | 1964-09-01 | United Internat Dynamics Corp | Electrical connection |
US3573850A (en) * | 1969-10-22 | 1971-04-06 | Sealectro Corp | Multiple socket assembly |
US3676832A (en) * | 1970-12-28 | 1972-07-11 | Ibm | Connector |
US3806768A (en) * | 1972-07-27 | 1974-04-23 | Ite Imperial Corp | Rear connection means for molded case circuit breaker |
US3876274A (en) * | 1972-09-13 | 1975-04-08 | Elco Corp | Receptacles employing high density array of overlapping self-adjustable contacts |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1702451A (en) * | 1929-02-19 | House electric | ||
US1709452A (en) * | 1927-02-26 | 1929-04-16 | Nat Electrical Products Compan | Floating tube socket |
US1750053A (en) * | 1927-07-11 | 1930-03-11 | Walter W Robinson | Holder for thermionic tubes |
FR785118A (en) * | 1934-04-04 | 1935-08-02 | Lamp holder from t. s. f. and others | |
US2057718A (en) * | 1932-05-23 | 1936-10-20 | Economy Fuse And Mfg Co | Electrical device |
US2127556A (en) * | 1935-06-07 | 1938-08-23 | Hugh H Eby Inc | Socket |
US2269122A (en) * | 1940-06-01 | 1942-01-06 | Douglas T Mitchell | Contact |
US2318648A (en) * | 1939-01-30 | 1943-05-11 | H A Douglas Mfg Co | Connector |
US2369630A (en) * | 1942-12-10 | 1945-02-13 | United Carr Fastener Corp | Electrical contact device |
-
1946
- 1946-02-01 US US644870A patent/US2480059A/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1702451A (en) * | 1929-02-19 | House electric | ||
US1709452A (en) * | 1927-02-26 | 1929-04-16 | Nat Electrical Products Compan | Floating tube socket |
US1750053A (en) * | 1927-07-11 | 1930-03-11 | Walter W Robinson | Holder for thermionic tubes |
US2057718A (en) * | 1932-05-23 | 1936-10-20 | Economy Fuse And Mfg Co | Electrical device |
FR785118A (en) * | 1934-04-04 | 1935-08-02 | Lamp holder from t. s. f. and others | |
US2127556A (en) * | 1935-06-07 | 1938-08-23 | Hugh H Eby Inc | Socket |
US2318648A (en) * | 1939-01-30 | 1943-05-11 | H A Douglas Mfg Co | Connector |
US2269122A (en) * | 1940-06-01 | 1942-01-06 | Douglas T Mitchell | Contact |
US2369630A (en) * | 1942-12-10 | 1945-02-13 | United Carr Fastener Corp | Electrical contact device |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2550237A (en) * | 1947-06-14 | 1951-04-24 | Albert W Franklin | Socket contact |
US2613244A (en) * | 1948-09-02 | 1952-10-07 | Cinch Mfg Corp | Electric socket for miniature tubes |
US2747169A (en) * | 1953-02-20 | 1956-05-22 | Cinch Mfg Corp | Contact for printed circuits |
US2955352A (en) * | 1954-10-22 | 1960-10-11 | Ind Electronic Hardware Corp | Method of manufacturing a socket for sub-miniature electronic devices |
US3017604A (en) * | 1955-05-27 | 1962-01-16 | United Carr Fastener Corp | Vacuum tube socket |
US2996794A (en) * | 1955-11-08 | 1961-08-22 | Illinois Tool Works | Terminal clip structure |
US3086096A (en) * | 1957-02-05 | 1963-04-16 | United Electrodynamics Inc | Stepping switch |
US3147059A (en) * | 1960-05-19 | 1964-09-01 | United Internat Dynamics Corp | Electrical connection |
US3573850A (en) * | 1969-10-22 | 1971-04-06 | Sealectro Corp | Multiple socket assembly |
US3676832A (en) * | 1970-12-28 | 1972-07-11 | Ibm | Connector |
US3806768A (en) * | 1972-07-27 | 1974-04-23 | Ite Imperial Corp | Rear connection means for molded case circuit breaker |
US3876274A (en) * | 1972-09-13 | 1975-04-08 | Elco Corp | Receptacles employing high density array of overlapping self-adjustable contacts |
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