US2433520A - Reclining article of furniture - Google Patents

Reclining article of furniture Download PDF

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Publication number
US2433520A
US2433520A US580377A US58037745A US2433520A US 2433520 A US2433520 A US 2433520A US 580377 A US580377 A US 580377A US 58037745 A US58037745 A US 58037745A US 2433520 A US2433520 A US 2433520A
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United States
Prior art keywords
link
seat
support
pivoted
rest
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
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US580377A
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English (en)
Inventor
Lorenz Anton
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US580377A priority Critical patent/US2433520A/en
Priority to CH249598D priority patent/CH249598A/de
Priority to GB5259/46A priority patent/GB608326A/en
Priority to FR928685D priority patent/FR928685A/fr
Priority to US723413A priority patent/US2575880A/en
Application granted granted Critical
Publication of US2433520A publication Critical patent/US2433520A/en
Priority to DEL5852A priority patent/DE854421C/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest

Definitions

  • An object of the present invention is to provide a reclining article of furniture wherein the change in the angle between the back-rest and the seat during a movement of said members may be readily adapted to the requirements of users of the article of furniture.
  • Another object of the present invention is to provide a reclining article of furniture of above described type with means, by which the user of the article of furniture may alter the inclination of the back-rest while the seat is held in a predetermined position.
  • a further object of the present invention is to provide a reclining article of furniture of above described type with means, by which the user of the article of furniture may alter the inclination of the seat while the back-rest is held in a predetermined position.
  • Still another object of the present invention is to provide a reclining article of furniture of above described type with means, by which the user of the article of furniture may alter the degree of the change in the inclination of the back-' rest from the sitting position into the extreme reclining position while the degree of the change in the inclination of .the seat from the sitting position into the extreme reclining position remains substantially unchanged.
  • a further object of the present invention is to provide a reclining article of furniture of above described type with means, by which the user of the article of furniture may alter the degree of change in the inclination of the seat from the sitting position into the extreme reclining position while the degree of the change in the inclination of the back-rest from the sitting position into the extreme reclining position remains substantially unchanged.
  • Still another object of the present invention is to improve a reclining article of furniture as now ordinarily made.
  • Fig. 1 is a side elevational view of an adjustable desk chair according to the invention
  • Fig. 2 is a sectional view of the desk chair shown in Fig. 1, taken on line 22, a portion of the seat being broken away,
  • Fig. 3 is a vertical sectional view of an adjustable reclining chair with a leg-rest according to the invention
  • Fig. 4 is a sectional View of a locking device arranged on the chair shown in Fig. 3 taken on line 4-4 of Fig. 3, in an enlarged scale,
  • Fig. 5 is a side elevational view of another embodiment of an adjustable reclining chair according to the invention.
  • Fig. 6 is a vertical sectional view of still another embodiment of an adjustable reclining chair according to the invention.
  • FIGs. 1 and 2, II generally indicates a pedestal of a desk chair, which may be of any conventional type.
  • a supporting member I2 comprising a cross bar I4 and an extension I6 having an arm I8 on each side of the chair is carried by a spindle 20 screwed into a threaded bore of the pedestal I0.
  • the rear end portion of a seat 38 is pivoted to the support I2 at 24.
  • the lower end portion of a controlling link 46 is pivoted to said seat at 42.
  • the upper end portion of said controlling link is pivotally connected at 44 with a guiding link 26.
  • the lower end portion of said guiding link 26 is pivoted to the cross bar I4 of the support I2 at 28 at a point spaced from the pivotal connection 24 between the seat 38 and the support I2.
  • Said seat 38, said controlling link 40, said guiding link 26 and the stationary portion of the support I2 between the pivotal connection 28 of the guiding link 26 with the support and the pivotal connection 24 of the seat 38 with the support I2 form the links of a four-bar linkmechanism.
  • the lower end 36 of a back-rest 22 is pivoted to the seat 38 at 24 in coaxial alignment with the pivotal connection between the seat 38 and the support I2.
  • the rear end of a connecting link 30 constituting an arm-rest is pivoted to an intermediate point 32 of said back-rest 22 above the pivotal connection 24 between the back-rest 22 and the seat 38.
  • the front end of each connecting link 30 is pivotally connected at 34 with an extension 96 of the guiding link 26.
  • said extension 96 of the guiding link 26 projecting beyond the pivotal connection 44 of the guiding link 26 with the controlling link 40 is integral with said guiding link.
  • the seat 38 and the back-rest 22 form movable links of a polygonal compound linkage comprising the movable links 38, 40, 26-96, 30, 36 and the stationary portion 2B-24 of the support.
  • the members of the chair are connected with each other as shown in Fig. 3, the members may be held in any desired position by tightening either one of said two locking devices 350 or 380.
  • the user of the chair may change the position of the pivotal connection 344 between the connecting link 330 and the guiding link 326 by inserting the pin 334 into another hole of the series of holes 354, whereby the angle between the back-rest 322 and the seat 338 may be changed.
  • the back-rest is held in said position by a tightening of the locking device 350 while the locking device 388 remains in loose condition.
  • the user of the chair may bring the seat into a different position relative to the back-rest by altering the position of the pivotal connection 342 and/or 344 by inserting the respective pins into another hole of the series of holes 356, 358 and/ or 36!].
  • the support 5l2 comprises two side bars 5, 513 of tubular material, one on each side of the chair, which are connected with each other by a bracing member 5l5 and are mounted on a base member 5!! of an integral piece of tubular material by welding, for example.
  • the rear end of the seat 538 is swingably mounted on the support 5l'2 at 524.
  • the lower end portion of a controlling link 540 is pivoted to the seat 538 at 542.
  • the upper end portion of said controlling link 548 is pivoted at 544 to the upper end of a guiding link 526, the lower end of which is pivoted to the support 5l2 at 528 at a point spaced from the pivotal connection 524 between the support 5l2 and the seat 538.
  • the seat 538, the controlling link 540, the guiding link 526 and the stationary portion of the support 5l'2 between the pivots 528 and 525 form a four-bar link mechanism.
  • the back-rest 522 is swingably mounted at 524 on the seat 538 in coaxial alignment with th pivotal connection of the latter with the support 542.
  • the rear end portion of a connecting link 538 is pivoted to an intermediate point 532 of the back-rest 522 in a plane above the plane of the seat 538.
  • the front end of the connecting link 53!! is pivoted at 534 to an intermediate point of the guiding link 526 between the pivotal connection 544 of the guiding link 526 with the controlling link 540 and the pivotal connection 528 of the guiding link 526 with the support M2.
  • the sitting position of the movable members of the chair is limited by a stop 546 mounted on the support 512 for cooperation with the seat 538.
  • the back-rest 522 is swung about its pivot 524 into the extreme reclined position limited by an abutment of the back-rest 522 against the stop 548 mounted on the support 5l2, the movable members of the chair are likewise brought into a reclined position as shown in dash and dot lines in Fig. 5.
  • the mechanism of the chair shown in Fig. 6 substantially corresponds to the mechanism of the chair shown in Fig. 5.
  • 622 indicates the back-rest, pivotally connected with the seat 638 and the support 6l2 at 624.
  • 626 indicates the guiding link pivoted to the support at 628.
  • One end of the connecting link 636 is pivoted to the back-rest at 632, the other end of said connecting link is pivoted to an intermediate point of said guiding link 626 at 634.
  • 640 indicates the controlling link, one end of which is pivoted to the seat 638 at 642, the other end of which is pivoted to the upper end 696 of the guiding link 626 at 644.
  • the guiding link 626 of the chair shown in Fig. 6 is in the shape of a bent link.
  • FIG. 6 illustrates a further modification of the mechanism according to the invention by the use of a bent link for the guiding link 626, whereby a further variation in the degree of the change of the angle between the back-rest and the seat during a movement thereof from the sitting position into the reclined position is rendered possible.
  • the sitting position of the movable members of the chair shown in Fig. 6 is limited by the upper edge of the support 612 against which the seat 638 comes to a rest.
  • the extreme reclined position of th movable members of the chair is limited by a stop 643 mounted on the support M2 for cooperation with the back-rest 622.
  • a reclining article of furniture comprising; a support, a seat pivoted to said support at its rear end portion, a guiding link, th lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar linkmechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, and a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, and the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said sheet, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link-mechanism, said guiding link having an extension projecting beyond its pivotal connection with the controlling link, a back-rest, said back-rest being pivoted to the rear portion of said sheet, and a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, and the front portion of said connecting link being pivoted
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a, guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, and a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, and the front portion of said connecting link being pivoted to an intermediate point of the guiding link between its pivotal connections with the controlling link
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link bing pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a fourbar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat in coaxial alignment with the pivotal connection between the seat and the support, and a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, and the front portion of said connecting link being pivoted to a
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, said guiding link being in the shape of a bent link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, and a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, and the front portion of said connecting link being pivoted to a point of
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a fourbar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the baok-rest and the seat, the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling link,
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling link,
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat; said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar linkmechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling link, and
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link mechani m, a back-rest, said back-rest being pivoted to the rear portion of said seat, in coaxial alignment with the pivotal connection between the seat and the support, a connectin link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, the front portion of said connecting link being pivoted to a
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end ortion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections and of the seat with the support forming the links of a four-bar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling link, a leg-rest swingably
  • a reclining article of furniture comprising: a support, a seat pivoted to said support at its rear end portion, a guiding link, the lower portion of said guiding link being pivoted to said support at a point spaced from the pivotal connection between the seat and the support, a controlling link, the lower portion of said controlling link being pivoted to the front portion of said seat, the upper end portion of said controlling link being pivoted to the upper portion of said guiding link, said seat, said controlling link, said guiding link and the stationary portion of the support between the pivotal connections of the guiding link with the support and of the seat with the support forming the links of a four-bar link-mechanism, a back-rest, said back-rest being pivoted to the rear portion of said seat, a connecting link, the rear end of said connecting link being pivoted to an intermediate point of said back-rest above the pivotal connection between the back-rest and the seat, the front portion of said connecting link being pivoted to a point of the guiding link spaced from its pivotal connection with the controlling link,
US580377A 1945-03-01 1945-03-01 Reclining article of furniture Expired - Lifetime US2433520A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US580377A US2433520A (en) 1945-03-01 1945-03-01 Reclining article of furniture
CH249598D CH249598A (de) 1945-03-01 1946-02-16 Verstellbares Ruhemöbel.
GB5259/46A GB608326A (en) 1945-03-01 1946-02-20 Improvements in or relating to adjustable reclining chairs or like articles of furniture
FR928685D FR928685A (fr) 1945-03-01 1946-03-01 Fauteuil inclinable
US723413A US2575880A (en) 1945-03-01 1947-01-21 Reclining article of furniture
DEL5852A DE854421C (de) 1945-03-01 1950-10-01 Verstellbares Ruhemoebel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580377A US2433520A (en) 1945-03-01 1945-03-01 Reclining article of furniture

Publications (1)

Publication Number Publication Date
US2433520A true US2433520A (en) 1947-12-30

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ID=24320827

Family Applications (2)

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US580377A Expired - Lifetime US2433520A (en) 1945-03-01 1945-03-01 Reclining article of furniture
US723413A Expired - Lifetime US2575880A (en) 1945-03-01 1947-01-21 Reclining article of furniture

Family Applications After (1)

Application Number Title Priority Date Filing Date
US723413A Expired - Lifetime US2575880A (en) 1945-03-01 1947-01-21 Reclining article of furniture

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US (2) US2433520A (de)
CH (1) CH249598A (de)
DE (1) DE854421C (de)
FR (1) FR928685A (de)
GB (1) GB608326A (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470781A (en) * 1946-03-15 1949-05-24 Lorenz Anton Reclining article of furniture
US2472855A (en) * 1946-09-17 1949-06-14 Lorenz Anton Reclining article of furniture
US2474265A (en) * 1946-08-22 1949-06-28 Lorenz Anton Reclining article of furniture
US2575880A (en) * 1945-03-01 1951-11-20 Lorenz Anton Reclining article of furniture
US2576465A (en) * 1945-12-29 1951-11-27 Lorenz Anton Reclining article of furniture
US2615497A (en) * 1949-05-26 1952-10-28 Anton Lorenz Reclining article of furniture
US2655201A (en) * 1946-10-26 1953-10-13 Lorenz Anton Reclining article of furniture
US2661048A (en) * 1946-01-31 1953-12-01 Lorenz Anton Reclining article of furniture
US2746522A (en) * 1952-09-12 1956-05-22 Lorenz Anton Reclining article of furniture
FR2618657A1 (fr) * 1987-07-27 1989-02-03 Benarous Emile Fauteuil de repos

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800756A1 (de) * 1987-06-24 1989-01-05 Horst Sondergeld Sitz fuer einen buerostuhl od. dgl.
DE3800754A1 (de) * 1987-06-24 1989-01-05 Horst Sondergeld Sitz fuer einen buerostuhl od. dgl. mit einem insbesondere durch koerpergewichtsverlagerung verstellbaren sitz- und rueckenteil

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US652801A (en) * 1899-10-20 1900-07-03 John T Moore Chair.
US2353838A (en) * 1941-10-03 1944-07-18 Lorenz Anton Adjustable reclining chair

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US363751A (en) * 1887-05-24 Surgical table
US1919110A (en) * 1932-11-18 1933-07-18 George Musulin Folding chair
US2433520A (en) * 1945-03-01 1947-12-30 Lorenz Anton Reclining article of furniture
US2474265A (en) * 1946-08-22 1949-06-28 Lorenz Anton Reclining article of furniture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US652801A (en) * 1899-10-20 1900-07-03 John T Moore Chair.
US2353838A (en) * 1941-10-03 1944-07-18 Lorenz Anton Adjustable reclining chair

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575880A (en) * 1945-03-01 1951-11-20 Lorenz Anton Reclining article of furniture
US2576465A (en) * 1945-12-29 1951-11-27 Lorenz Anton Reclining article of furniture
US2661048A (en) * 1946-01-31 1953-12-01 Lorenz Anton Reclining article of furniture
US2470781A (en) * 1946-03-15 1949-05-24 Lorenz Anton Reclining article of furniture
US2474265A (en) * 1946-08-22 1949-06-28 Lorenz Anton Reclining article of furniture
US2472855A (en) * 1946-09-17 1949-06-14 Lorenz Anton Reclining article of furniture
US2655201A (en) * 1946-10-26 1953-10-13 Lorenz Anton Reclining article of furniture
US2615497A (en) * 1949-05-26 1952-10-28 Anton Lorenz Reclining article of furniture
US2746522A (en) * 1952-09-12 1956-05-22 Lorenz Anton Reclining article of furniture
FR2618657A1 (fr) * 1987-07-27 1989-02-03 Benarous Emile Fauteuil de repos

Also Published As

Publication number Publication date
CH249598A (de) 1947-07-15
GB608326A (en) 1948-09-14
DE854421C (de) 1952-11-04
FR928685A (fr) 1947-12-04
US2575880A (en) 1951-11-20

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