US2925852A

US2925852A - Article of repose for supporting the body of a person

Info

Publication number: US2925852A
Application number: US466993A
Authority: US
Inventors: Lorenz Anton
Original assignee: Individual
Current assignee: Individual
Priority date: 1954-11-05
Filing date: 1954-11-05
Publication date: 1960-02-23
Anticipated expiration: 1977-02-23
Also published as: CH345130A; GB815714A; FR1139663A; BE542323A

Description

Feb. 23, 1960 LQRENZ 2,925,852

ARTICLE OF REFUSE FOR SUPPORTING THE BODY OF A PERSON Filed Nov. 5. 1954 3 Sheets-Sheet 1 T5 ii 46 I 1 64 12 :4 10 2a 2s 55 e2 50 no 126 13 INVENTOR.

ANTON LORENZ ATTORNEY- Feb. 23, 1960 LORENZ 2,925,852

ARTICLE OF REPOSE FOR SUPPORTING THE BODY OF A PERSON Filed Nov. 5, 1954 3 Sheets-Sheet 2 Fig.3-

\ are 382 574 372 310 5 4 538 326 550 INVENTOR.

ANTON LORENZ ATTORNEY.

Feb. 23, 1960 A LORENZ 2,925,852

ARTICLE OF R EPOSE FOR SUPPORTING THE BODY OF A PERSON Filed NOV. 5, 1954 3 Sheets-$heet 3 o I 48 o o 452 42G INVENTOR. ANTON LORENZ ATTORNEY.

United States Patent ARTICLE OF REPOSE FOR SUPPORTING THE BODY OF A PERSON Anton Lorenz, Boynton Beach, Fia.

Application November 5, 1954, Serial No. 466,993

7 Claims. (Cl. 155-106) This invention relates to articles of furniture and more particularly to articles of repose for supporting the body of a person wherein a movable back-rest, seat and legrest may be brought from a sitting position into a reclined position and vice versa.

An object of the invention is to provide an article of repose of above described type wherein the movements of the movable members from one position into another one may be obtained with ease.

Another object of the invention is to improve on the construction of articles of repose as now customarily made.

Other objects and structural details of the invention will be apparent from the following description when read in conjunction with the accompanying drawings forming part of this specification, wherein:

Fig. 1 is a side elevational view of a reclining armchair according to the invention, a portion of a side wall being broken away,

Fig. 2 is a side elevational view of another embodiment of a reclining armchair according to the invention, a portion of a side wall being broken away,

Fig. 3 is a side elevational view of a further embodiment of a reclining armchair according to the invention, a portion of a side wall being broken away,

Fig. 4 is a side elevational view of still another embodiment of a reclining armchair according tothe invention, a portion of a side wall being broken away,

Fig. 5 is a side elevational view of a further embodirnent of a reclining armchair according to the invention, a portion of a side wall being broken away, and

Fig. 6 is a side elevational view of still a further embodiment of a reclining armchair according to the invention, a portion of a side wall being broken away.

Referring now to Fig. 1, 10 generally indicates a support having

side walls

12 and 14 connected with each other in a suitable manner.

A back-rest 16 is swingably mounted on the support 10 at 18. The back-rest 16 has a downward extension 20 rigid therewith.

A seat 22 is swingably mounted on the support 10 at 18 in coaxial alignment with the pivotal connection of the back-rest 16 with the support 10.

There is a first pair of

links

24, 26 pivotally connected with each other at 28 and there is a second pair of

links

30, 32 pivotally connected with each other at 34. Said two pairs of

links

24, 26 and 32 are pivotally connected with each other at 36 and 38 so as to form a mechanism ments of the back-rest 16 about its pivot 18 on the support 10. p

The movements of the seat 22 are coordinated with Patented Feb. 23, 1960 the movements of the

lazy tongs

24, 26, 30, 32 and thus with the movements of the back-rest 16 by means of a link 48 pivoted at 50 to the seat'22 and pivoted at 28 to the link 40 of the

lazy tongs

24, 26, 30, 32 in coaxial alignment with the pivot between the

links

24 and 26 of said lazy tongs.

A leg-rest 52 is swingably mounted on one front arm 54 of the

lazy tongs

24, 26, 30, 32 at 56. Furthermore, said leg-rest 52 is pivoted at 58 to one end of a link 60, the other end of which is pivoted at 62 to the other front arm 64 of the

lazy tongs

24, 26, 30, 32.

When a person resting on the chair leans the weight of his body against the back-rest 16 for swinging same from its upright position shown in full lines into a reclined position shown in dash and dot lines, the seat 22 is swung about its pivot 18 into the reclined position shown in dash and dot lines and the

front arms

54, 64

of the

lazy tongs

24, 26, 30, 32 are propelled forwardly and upwardly into the position shown in dash and dot lines. At the same time the leg rest 52 is swung about its pivot 56 on the front arm 54 of the

lazy tongs

24, 26, 30, 32 by means of the link 60 into the position shown in dash and dot lines.

According to the embodiment shown in Fig. 2, the arrangement of the back-rest 116, the seat 122, the

lazy tongs

124, 126, 130, 132, the leg-rest 152 and the controlling link 160 and their connections with each other and with the support respectively are substantially the same as that of the embodiment shown in Fig. 1.

However according to Fig. 2 the link 132 of the

lazy tongs

124, 126, 130, 132, pivoted to the link 124 of said lazy tongs at 136, has an upward extension 149 rigid therewith and pivoted to the seat 122 at 150. Said extension 149 controls the movements of the seat 122 about its pivot 118 on the support 110.

Thus, a swinging movement of the backrest 116 about its pivot 118 into the reclined position shown in dash and dot lines causes also coordinated movements of the seat 122 and the leg-rest 152 into the position shown in dash and dot lines.

According to the embodiment shown in Fig. 3, again the arrangement of the back-rest 216, the seat 222, the

lazy tongs

224, 226, 230, 232, the leg-rest 252 and the controlling link 260 and their connections with each other and with the support 210 respectively are substantially the same as that shown in Fig. 1.

However according to Fig. 3, the link 247 controlling the seat 222 is pivoted to the seat 222 at 250 and to the front arm 254 of the

lazy tongs

224, 226, 230, 232 at 266.

The sitting position of the movable members of the chair is shown in full lines and the reclined position of said movable members is shown in dash and dot lines.

According to the embodiment shown in Fig. 4, the back-rest 316 and seat 322 are rigid with each other so as to form a unit 368 swingably mounted on the support The lazy tongs are formed by the

links

324, 326, 330, 332 pivotally jointed with each other at 328, 334, 336, 338. One rear arm 340 of said

lazy tongs

324, 326, 330, 332 is swingably mounted on the support 310 at 342. The other rear arm 344 of said

lazy tongs

324, 326, 330, 332 is pivoted at 372 to an arm 374 swingably mounted on the support 310 at 376. One end of a link 378 is pivoted to an intermediate point of the arm 374 at 380. The other end of said link 378 is pivoted at 382 to a downward extension 384 rigid with the unit 368.

The leg-rest 352 is swingably mounted on one front arm 354 of the

lazy tongs

324, 326, 330, 332 at 356. Furthermore said leg-rest 352 is pivoted at 358 to one end of a link 360, the other end of which is pivoted at 362 to the other front arm 364 of the

lazy tongs

324, 326, 330, 332.

When the unit 368 is swung about its pivot 370 from the sitting position shown in full lines into the reclined position shown in dash and dot lines, the leg-rest 352 controlled by the mechanis-m-of the

lazy tongs

324, 326, 330, 332 is propelled forwardly and swung about its pivot 356 into the position shown indash and dot lines.

According to the embodiment shown .in Fig. 5', the downward extension 480' of the seat-back-rest .unit 4568 is swingably mounted on the support 410 at 471.

The arrangement of the

lazy tongs

424, 426, 430, 432, the leg-rest 452 and the controlling link 460 and their connections with each other and with the support 410 respectively is substantially thesameas thatshown in Fig. 4.

However the rear arm 444 of :the

lazy tongs

424, 426, 430, 432 is pivoted at 472 to one arm 486 of a double-armed'lever 485 swingably mounted on the support 410 vat47'7'. The other arm 488 of said doublearmed lever 485 is pivoted at 481 to oneend of a link 478, the other end of which is pivoted at 482 to the downward extension 480.

Upon a movement of the unit 468 from the sitting position shown in full lines into the reclined position shown in dash and dot lines, the leg-rest 452 is brought into the position shown in dash and dot lines by means of the mechanism described above.

According to Fig. 6, the back-rest-seat unit 568 is swingably mounted on the support 510 at 570.

The arrangement of the lazy tons 524,526, 530, 532, the leg-rest 552 and the controlling link 56.0 and their connections with each other and with the support 510 respectively are substantially the same as that. shown in Fig. 5.

However the rear arm 544 of the lazy tongs 524,526, 530, 532 is pivoted at 572 to one arm 586 of abell-crank lever 587 swingably mounted on the support 510 at 577. The other arm 588 of said bell-crank lever 587 is in slidable and disengageable engagement with the unit 568.

Thus, upon a swinging movement of the unit 568 about the pivot 570 into the reclined position shown in dash and dot lines, the leg-rest 552 is automatically brought into the position shown in dash and dot lines by means of the mechanism described above. Owing to the disengageable engagement between the arm 588 of the bellcrank lever 587 and the unit 568, it is however; possible to bring the leg-rest 552 from the positionshown in full lines into any desired other position without moving the back-rest-seat unit 568. Preferably locking mechanisms (not shown) are arranged for holdingthe unit 568 in a desired position during an independent movement of the leg-rest 252 and for holding the leg-rest 552 in any desired position relative to the unit 568.

In all of the embodiments shown in the drawings means may be arranged'for limiting the sitting position and the extreme reclined position of the back-rest and seat or the back-rest-seat unit respectively.

Furthermore, in all of the embodiments shown in the drawings, locking means may be arranged for holding the movable members of the chair in any desired position.

I have described preferred embodiments of my invention, but it is understood that this disclosure is for the purpose of illustration and that various omissions or forwardly of said seat, said control linkage comprising a first and second link crossing each other and pivotally connected at their crossing point, a third and fourth link crossing each other and pivotally connected at their crossing point, the second link being connected to the third link and the first link being connected to the fourth link to form a lazy tong linkage, the free end of the first link being pivotally connected to the support and the changes in shape, proportion and arrangement of parts.

as well as the substitution of equivalent elements for those herein shown and described, may be made without departing from the spirit and scope of the invention as set forth in theappended claims.

What I claim is:

1. In an adjustable reclining chair comprising bodysupporting means including a seat and a back-rest rockably mounted on a support for movement between an upright sitting position and a rearwardly-tilted reclining position, and a leg-rest, acontrol linkage for moving said leg-rest frorn ,a;retrac te d position beneath the seat to an extended position substantially at the ,lev el-;of and free end of the second linkbeing operatively connected to the body supporting means, the free end of the fourth link being pivotally connected to said leg-rest, and a connecting link pivotally connected at one end to the free end of the third link and at the other end to said legrest.

2. In an adjustable reclining chair comprising bodysupporting means including a seat and a back-rest rockably mounted on a support for movement between an uprightsitting-position and a rearwardly-tilted reclining position, and a leg-rest, a control linkage for moving said leg-rest from a retracted position beneath the seat to an extended position substantially at the level of and forwardly of said seat, said control linkage comprising a firstand second link crossing each other and pivotally connected at their crossing point, a third and fourth link crossing each other and pivotally connected at their crossing point, the second link being connected to the third link and the first link being connected tothe fourth link to form a lazy tong linkage, the free end of the first link being pivotally connected to the support, the back-rest having a depending extension, the free end of the second link being operatively connected to said backrest extension, the free end of the fourth link being pivotally connected to said leg-rest, and a connecting linkpivotally connected at one end to the free end of the third link and at the other end to said leg-rest, the free end of said second link being movable upwardly and forwardly by said back-rest extension toward the point of connection between the first link and said suppc rt when said back-rest is moved to its rearwardlytilted position whereby to expand saidlazy tong linkage and raise said leg-rest to its extended position.

3. In an adjustable reclining chair comprising bodysupporting means including a seat and a back-rest rockatbly mounted on a support for independent movement between an upright sitting position and a rearwardlytilted reclining position, and a leg-rest, acontrol linkage for moving said leg-rest from a retracted position beneath the seat to an extended position substantially at the level of and forwardly of said seat, said control linkage comprising a first and second link crossing each other and pivotally connected at their crossing point, a third and fourth link crossing each other and pivotally connected at their crossing point, the second link being connected to the third link and the first link being connected to the fourth link tofonn a lazy tong linkage, the free end of the first link being pivotally connected to the support, the back-rest having a rigid depending extension, the free end of the second link being operatively connected to said back-rest extension, the free end of the fourth link being pivotally connected to said leg-rest, and a connecting link pivotally connected at one end to the free end of the third link and at the other end to said leg-rest, the free end of said second link being movable upwardly and forwardly by said back-rest extension toward the point of connection between the first link .and said support when said back-rest is moved to its rearwardly-tilted position whereby to expand said lazy tong linkage and raise said leg-rest to its extended position, and means coupling the forward endof said seat with said control linkage for raising said seat in response to rearward tilting movement of said back-rest.

4. A reclining chair comprising a support, a bodysupporting structure and including a seat and a backrest mounted on said support for tilting movement, a legrest, a leg-rest control linkage carrying said leg-rest and adapted to guide said leg-rest in a selected path between a retracted position beneath the seat and an extended position forwardly of the seat, and a constrained linkage for actuating said leg-rest control linkage in response to tilting movement of said body-supporting structure, said constrained linkage including an arm and a first link pivotally mounted at spaced points on the support, a second link pivotally connected at spaced points to said arm and first link, and the portion of the support between the pivotal mounts of the arm and first link on the support as the fixed link of the constrained linkage, said arm being operatively coupled to the body-supporting structure for movement of the constrained linkage in response to tilting movement of the body-supporting structure, said leg-rest control linkage including an extension of said first link, an extension of said second link, a third link pivotally connected to the end of said second link, a fourth link pivotally connected to the end of said first link, said third and fourth links crossing each other and being pivotally connected at their crossing-over points, the free end of the fourth link being connected to said leg-rest, and a further link connecting the free end of the third link to a point on the leg-rest spaced from the pivotal connection of the fourth link thereto, the first, second, third and fourth links forming a closed quadrilateral linkage bounded by the pivotal connections of said four links to each other.

5. A reclining chair comprising a support, a bodysupporting structure including a seat and a back-rest mounted on said support for tilting movement, a legrest, a leg-rest control linkage carrying said leg-rest and adapted to guide said leg-rest in a selected path between a retracted position beneath the seat and an extended position forwardly of the seat, and a constrained linkage for actuating said leg-rest control linkage in response to tilting movement of said body-supporting structure, said constrained linkage comprising as movable links an arm and a first link pivotally mounted at spaced points on the support and depending therefrom and a second link pivotally connected at spaced points to said arm and first link, said constrained linkage also including as a stationary link that portion of the support between the pivotal mounts of the arm and first link on the support, said arm being opera tively coupled to the body-supporting structure for movement of the constrained linkage in response to tilting movement of the body-supporting structure, said leg-rest control linkage including a lower extension of said first link, a forward extension of said second link, a fourth link pivotally connected to the free end of said first link, a third link pivotally connected to the free end of said second link, said third and fourth links crossing each other and being pivotally connected at their crossing-over points, the free end of said fourth link being pivotally connected to said leg-rest, and a further link connecting the free end of the third link to a point on the leg-rest spaced from the pivotal connection of the third link thereto, the first, second and third and fourth links forming a closed quadrilateral linkage bounded by the pivotal connections of said four links to each other, the first and second links serving as connections between the constrained linkage and the quadrilateral control linkage whereby the constrained linkage actuates the quadrilateral linkage in response to tilting movement of the bodysupporting structure.

6. A recliningchair comprising a support, a body-supporting structure including a seat and a back-rest pivotally mounted on said support for independent tilting movement, a leg-rest, a leg-rest control linkage carrying said leg-rest and adapted to guide said leg-rest in a selected path between a retracted position beneath the seat and an extended position forwardly of the seat, and a constrained linkage for actuating said leg-rest control linkage in response to tilting movement of said body-supporting structure, said back-rest having an extension depending from its pivotal mount on the support, said constrained linkage including as movable links said backrest extension, a first link pivotally mounted at a point on the support spaced from the pivotal mount of the back-rest, and a second link pivotally connected at spaced points to said back-rest extension and said first link, said constrained linkage also including as a stationary link that portion of the support between the pivotal mounts of the back-rest extension and first link, said depending backrest extension being movable forwardly when the backrest is tilted rearwardly for forward movement of the constrained linkage, movable links in response to tilting movement of the back-rest, said leg-rest control linkage including an extension of said first link, an extension of said second link, a third link pivotally connected to the end of said second link, a fourth link pivotally connected to the end of said first link, said third and fourth links.

crossing each other and being pivotally connected at their crossing-over points, the free end of said fourth link being connected to said leg-rest, and a further link connecting the free end of the third link to a point on the leg-rest spaced from the pivotal connection of the third link thereto, the first, second and third and fourth links forming a closed quadrilateral linkage bounded by the pivotal connections of said four links to each other, the leg-rest being supported and guided solely by said control linkage.

7. Areclining chair according to claim 6 in which a seat control member carried by said quadrilateral control linkage is pivotally connected to the lower portion of said seat, said seat control member being positioned to apply an upward thrust on said seat when said control linkage is actuated, whereby said seat is tilted through the constrained linkage, the quadrilateral linkage and the seat control member in response to tilting movement of the back-rest.

References Cited in the file of this patent UNITED STATES PATENTS 1,789,090 Wawrunek Ian. 13, 1931 2,672,919 Luckhardt Mar. 23, 1954 2,693,845 Hofiman Nov. 9, 1954 FOREIGN PATENTS 683,042 Great Britain Nov. 19, 1952