US2313559A - Chair - Google Patents

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US2313559A
US2313559A US342926A US34292640A US2313559A US 2313559 A US2313559 A US 2313559A US 342926 A US342926 A US 342926A US 34292640 A US34292640 A US 34292640A US 2313559 A US2313559 A US 2313559A
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Prior art keywords
base
chair
leg
spring
supporting means
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US342926A
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Larsen Lewis
Elof P Klar
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Heywood Wakefield Co
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Heywood Wakefield Co
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/44Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02Rocking chairs
    • A47C3/025Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame

Definitions

  • This invention relates to improvements in chairs and it consists of the matters hereinafter described and more particularly pointed out in the appended claims.
  • the present invention is more especially concerned with that type of chair wherein the seatsupporting means is mounted on a base for a forward and a backward cushioned, rocking movement and wherein it is possible readily to shift the position of the seat-supporting means relative to the cushioning means.
  • the effect of the weight of the occupant on the cushioning means may be altered so that the rocking action may be easily changed from a relative soft or easy one to a stiffer one.
  • One of the objects of the present invention is to provide a chair of the type mentioned, which is more simple in construction than has heretofore been possible so as to embody fewer parts and which parts are correlated to operate efficiently for the intended purpose.
  • Another object of the invention is to provide a chair of this kind which may be more readily and accurately adjusted when it is desired to change the rocking action from a soft or easy one to a stiffer one and vice versa.
  • Fig. 1 is a view in side elevation of a chair embodying the preferred form of the invention, parts of which are illustrated as broken away and in section for a better illustration of the structure involved.
  • Fig. 2 is a horizontal sectional view through the chair as taken on the line 22 of Fig. 1.
  • Fig. 3 is a vertical sectional view, on a somewhat enlarged scale, through a part of the chair as taken on the line 33 of Fig. 2 with the seatsupporting means shown in diagrammatic outline and in two different positions of adjustment.
  • Fig. 4 is a detail vertical sectional view, on an enlarged scale, through a part of the chair as taken on the line 44 of Fig. 3.
  • Fig. 5 is a transverse vertical detail sectional view through another part of the chair, on the scale of Fig. 4, as taken on the line 55 of Fig. 3.
  • Fig. 6 is a detail vertical sectional view through a part of the chair as taken on the line 6-45 of Fig. 2 and on a scale greater than that of said Fig. 2.
  • ii] indicates as a whole the floor-engaging base of the chair and II indicates as a whole, the seatsupporting means of the chair.
  • the base 10 includes laterally spaced side bars or rails l2l2 that converge rearwardly toward each other and are operatively connected together by front and rear cross bars l3 and i i respectively.
  • [5 indicates a shaft that extends transversely of the base in a plane between the cross bars 13 and I4. Said shaft is non-rotatively fixed at points toward its ends, upon the top edges of the side bars l2 of the base by clips I5 and the end portions of said shaft extend laterally beyond said side bars.
  • the seat-supporting means i! includes a seat I! and a back rest l8, both suitably upholstered, and side portions l9 which may be made of wood and suitably covered. Said side portions It, which are substantially parallel, are so spaced apart that they are disposed in vertical planes laterally outward from the planes 'of the side rails I2 of the base. Along the bottom portion of the outer face of each side portion 19 is a longitudinal cleat 20.
  • each side portion i9 In the bottom of each side portion i9 is provided a transversely extending sleeve 2i (see Fig. 6) which extends into and substantially through the associated cleat.
  • the sleeves 2i receive the associated end parts of the shaft l5 outwardly beyond the clips it and whereby the seat-supporting means has a bearing on said shaft and is capable of a forward and a backward rocking movement relative to the base.
  • the side members lt-lS of the seat-supporting means ii are operatively connected together at a point above and rearwardly of the cross bar i i of the base by a transverse bar 22 as best appears in Fig. 1.
  • a resilient means 23 for cushioning the rocking action of the seat supporting means ll.
  • Said means includes a single U-shaped spring, preferably of a fiat crosssectional stock, that has upper and lower legs 24-25 which are connected together at their front ends by a crotch or rounded portion 26. When this spring is in operative position.
  • the clip 33 also includes ears 3
  • Each flange 32 is made as a part of an L-shaped bracket 34 that is fixed to the underside of the cross bar 22 that connects. the side members
  • the lower leg 25 of the U-shaped spring which is shorter than the upper leg, engages flatwise upon a supporting member .35.
  • This supporting member which is disposed in the vertical plane of the U-shaped spring, is operatively secured at its front end to the bottom edge of the front cross bar of the base. It]. Its rear end is fixed in the bottom end of a U-shaped clip 36,. the top end of which is pivotally connected as at 31 to a pair of cars 38 fixed to the front side of the cross bar M of the base.
  • the rear end extremity of the leg 25 is disposed within and is suitably secured to the clip 36 by the same pin or rivet 39 (see Fig. 3) that secures the rear end of the member in said, clip.
  • a transverse plate 40 to the underside of the member. 35 by a rivet 4
  • a guide clip 42 straddles the leg 25 and associated part of the member 35 and the ends of this clip are secured to the ends of the plate 40.
  • action of the U-shaped spring is such as to return the means H to the normal position of rest when the occupant leaves the seat l1.
  • the screw 46 is turned in the other direction so that the means H is tilted slightly forwardly-about the axis of the shaft 15 so as to impart a slight inclination to the front part of the seat.
  • This change in inclination is enough so that the weight of the occupant is imposed on the legs of the spring element at an angle less than the perpendicular and is thus less effective to flex said legs so that relatively the spring becomes stiffer.
  • the chair is of a relatively simple construction, is quiet and free from squeaks under rocking action and the rocking action may be readily adjusted without the use of tools, byturning only the member 26.
  • the operating parts of the chair while disposed so as to be concealed from .view from the front of the chair, are readily acseat supporting means mounted thereon for a backward and forward rocking. movement, said base including a forwardlyand-rearwardly ea tending member which is capable-of a longitudinal flexirg, a spring-like element arranged between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending forwardly and rearwardly of. the chair and being 'operatively connected together at one end,
  • said lower leg having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means. operatively connecting. the other end of said. upper leg of. said spring-like. elementto said seat supporting Imean's'. f a
  • a chair embodying thereina base and a seat supporting means mounted thereon for abackward and forward rocking movement, a longitudinally flexible member extending forwardly and rearwardly of the base and operatively secured at one end to said base, means for supporting the other end of said member from said base so as to be capable of a limited longitudinal movement relative to the base, a spring-like element arranged above said member for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs extending forwardly and rearwardly of the chair and being operatively connected together at one end, said lower leg having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg of said spring-like element to said seat supporting means.
  • a chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, a member extending forwardly and rearwardly of the base and operatively secured at one end to said base, means including a link swingably mounted upon the base and to which the other end of said member is operatively connected for support, a spring-like element arranged above said member and arranged substantially parallel therewith for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs, said lower legs having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg of said spring-like element to said seat supporting means.
  • a chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross bars, a longitudinally flexible forwardly and rearwardly extending member operatively disposed between the side members of the base and connected at one end to one of said cross bars, means connecting the other end of said last mentioned member to the other of said cross bars so as to be capable of a limited longitudinal movement toward and away from said other of said cross bars, a spring-like element for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs operatively connected together at one end, said lower leg bearing upon and being operatively connected to said forwardly and rearwardly extending member for support thereby, and means operatively connecting the other end of the upper leg of said spring-like element to said seat supporting means.
  • a chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross bars, a forwardly and rearwardly extending member associated with the base and disposed in a plane between the side members of the base, means operatively connecting the front end of said member to said front cross bar, means providing a swinging link connection for the other end of said member with said rear cross bar of the base, a spring-like element arranged above said member and having upper and lower legs that extend forwardly .and rearwardly cf the chair, said lower leg engaging upon and being operatively connected to said forwardly and rearw-ardly extending member, and means operativelybonnecting the other endof said upper leg to the seat supporting means.
  • -A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross members, a forwardly and rearwardly extending member operatively disposed between said side members of the base and connected at one end to the front cross member, a pendently hanging U-shaped link pivotally connected to the rear cross member of the base and operatively receiving and having the other end of said forwardly and rearwardly extending member operatively connected thereto, a spring-like element between the seat supporting means and the base and including upper and low-er legs connected together at one end, said lower leg having its free end disposed in and operatively connected to said U-shaped link, means surrounding a part of said forwardly and rearwardly extending member and a part of said lower leg at a point between its ends to prevent lateral separation of said leg and said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg to said seat supporting means.
  • a chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other end of the lower leg to said base, means for operatively securing the other end of said upper leg to said seat supporting means and including a member pivoted to said seat supporting means, and a screw-like member swivelled in said last mentioned member and having a threaded engagement with said other end of said upper leg of said spring-like element.
  • a chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other end of the lower leg to the base, means for operatively securing the other end of said upper leg to said seat supporting means and including laterally spaced ears secured to a part of said seat supporting means, a member pivotally connected to said ears about an axis disposed at a right angle to said upper leg, and a screw member swivelled in said pivoted member and having a screw-threaded engagement with the associated end of said upper leg of the said spring-like element.
  • a chair embodying therein a base and a seat supporting mean mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other Years, and a screw member having a swivel connection with said clip and having a screw-threaded connection with the associated end of said upper leg of said spring-like element.

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Description

March 9, 1943. L. LARSEN m CHAIR Filed June 28, 1940 2 Sheets-Sheet 1 March 9, 1943,
I L. LARSEN ETAL crmm Fil'ed June- 28, 1940 2 Sheets-Sheet 2 n-vs.-
Patented Mar. 9, 1943 CHAIR Lewis Larsen and Elof P. Klar, Menominee, Mich., assignors to Heywood-Wakefield Company, Gardner, Mass., a corporation of Massachusetts Application June 28, 1940, Serial No. 342,926
9 Claims.
This invention relates to improvements in chairs and it consists of the matters hereinafter described and more particularly pointed out in the appended claims.
The present invention is more especially concerned with that type of chair wherein the seatsupporting means is mounted on a base for a forward and a backward cushioned, rocking movement and wherein it is possible readily to shift the position of the seat-supporting means relative to the cushioning means. With such an arrangement, the effect of the weight of the occupant on the cushioning means may be altered so that the rocking action may be easily changed from a relative soft or easy one to a stiffer one.
One of the objects of the present invention is to provide a chair of the type mentioned, which is more simple in construction than has heretofore been possible so as to embody fewer parts and which parts are correlated to operate efficiently for the intended purpose.
Another object of the invention is to provide a chair of this kind which may be more readily and accurately adjusted when it is desired to change the rocking action from a soft or easy one to a stiffer one and vice versa.
Also, it is an object of the invention to provide a chair of this kind wherein the parts are so arranged that while they are easily accessible for adjustment, they are substantially concealed from view from the front of the chair and therefore the chair gives no indication of its character.
The above mentioned objects of the invention, as well as others, together with'the several advantages thereof will more fully appear as the specification proceeds.
In the drawings:
Fig. 1 is a view in side elevation of a chair embodying the preferred form of the invention, parts of which are illustrated as broken away and in section for a better illustration of the structure involved.
Fig. 2 is a horizontal sectional view through the chair as taken on the line 22 of Fig. 1.
Fig. 3 is a vertical sectional view, on a somewhat enlarged scale, through a part of the chair as taken on the line 33 of Fig. 2 with the seatsupporting means shown in diagrammatic outline and in two different positions of adjustment.
Fig. 4 is a detail vertical sectional view, on an enlarged scale, through a part of the chair as taken on the line 44 of Fig. 3.
Fig. 5 is a transverse vertical detail sectional view through another part of the chair, on the scale of Fig. 4, as taken on the line 55 of Fig. 3.
Fig. 6 is a detail vertical sectional view through a part of the chair as taken on the line 6-45 of Fig. 2 and on a scale greater than that of said Fig. 2.
Referring now in detail to that embodiment of the invention illustrated in the drawings, ii] indicates as a whole the floor-engaging base of the chair and II indicates as a whole, the seatsupporting means of the chair.
The base 10 includes laterally spaced side bars or rails l2l2 that converge rearwardly toward each other and are operatively connected together by front and rear cross bars l3 and i i respectively. [5 indicates a shaft that extends transversely of the base in a plane between the cross bars 13 and I4. Said shaft is non-rotatively fixed at points toward its ends, upon the top edges of the side bars l2 of the base by clips I5 and the end portions of said shaft extend laterally beyond said side bars.
The seat-supporting means i! includes a seat I! and a back rest l8, both suitably upholstered, and side portions l9 which may be made of wood and suitably covered. Said side portions It, which are substantially parallel, are so spaced apart that they are disposed in vertical planes laterally outward from the planes 'of the side rails I2 of the base. Along the bottom portion of the outer face of each side portion 19 is a longitudinal cleat 20.
In the bottom of each side portion i9 is provided a transversely extending sleeve 2i (see Fig. 6) which extends into and substantially through the associated cleat. The sleeves 2i receive the associated end parts of the shaft l5 outwardly beyond the clips it and whereby the seat-supporting means has a bearing on said shaft and is capable of a forward and a backward rocking movement relative to the base. The side members lt-lS of the seat-supporting means ii are operatively connected together at a point above and rearwardly of the cross bar i i of the base by a transverse bar 22 as best appears in Fig. 1.
On the longitudinal median line of the chair as a Whole and considered from front to the rear of the chair, is located a resilient means 23 for cushioning the rocking action of the seat supporting means ll. Said means includes a single U-shaped spring, preferably of a fiat crosssectional stock, that has upper and lower legs 24-25 which are connected together at their front ends by a crotch or rounded portion 26. When this spring is in operative position. as
24 has a boss 24a welded to its bottom side and said end part of said leg and said boss are drilled and threaded to receive a screw 46. The bottom end of this screw carries a cross pin 21 whereby said screw may be turned manually. The upper end of said screw is made as a reduced extension 28 that is journalled for a turning movement in the cross member 29 of an inverted U shaped clip 30.
The clip 33 also includes ears 3|. that depend from the ends of the cross member 29 and said ears are disposed to engageagainst the opposed faces of depending flanges 32 and to which they are pivotally connected as by rivets 33.. Each flange 32 is made as a part of an L-shaped bracket 34 that is fixed to the underside of the cross bar 22 that connects. the side members |9l9 of the seat-supporting means H together. From the above, it is apparent that the clip is capable of a limited rocking movement with respect to the cross bar 22 and that the screw 43 may be turned relatively to said clip and to the leg 24 of the spring and its boss 24a.
The lower leg 25 of the U-shaped spring, which is shorter than the upper leg, engages flatwise upon a supporting member .35. This supporting member, which is disposed in the vertical plane of the U-shaped spring, is operatively secured at its front end to the bottom edge of the front cross bar of the base. It]. Its rear end is fixed in the bottom end of a U-shaped clip 36,. the top end of which is pivotally connected as at 31 to a pair of cars 38 fixed to the front side of the cross bar M of the base. The rear end extremity of the leg 25 is disposed within and is suitably secured to the clip 36 by the same pin or rivet 39 (see Fig. 3) that secures the rear end of the member in said, clip.
To prevent the lateral displacement of the leg 25 from its supporting member 35, we secure a transverse plate 40 to the underside of the member. 35 by a rivet 4|, the member being located a suitable distance forwardly of the cross bar [4 of the base. A guide clip 42 straddles the leg 25 and associated part of the member 35 and the ends of this clip are secured to the ends of the plate 40.
When the occupant of the seat causes a backward. and a forward rocking action on the seatsupporting means I! as a whole from its normal position of rest, said means rocks about the shaft l5. In the rearward part of the rocking movement of the means H, from said position of rest, toward the limit of the direction mentioned, the leg 24 of the U-shaped spring flexes from the crotch to move toward the leg 25. In the forward rocking movement of the means II, the leg 24 of the said U-shaped spring flexes upwardly so that the crotch opens up and the forward part of the lower leg bears upon that part of the bar 35 in advance of the clip 42 thereon. In this movement of the leg 25, the
the are through which the means H swings about the shaft. If this movement of the means H is sufficient to flex the bar 35, the said bar which has a lengthwise, shallow reverse curvature formation, tends to elongate. When said bar so elongates, as its rear end is fixed to the clip 36, then said clip swings rearwardly about its axis to accommodate that elongation. This elongation is not of any considerable degree so that but a slight swinging movement occurs in the clip.
Of course, action of the U-shaped spring is such as to return the means H to the normal position of rest when the occupant leaves the seat l1.
With the parts of the chair in the position shown in Fig. 1 and wherein the seat is subjstantially horizontal, the rocking action of the bar 35 flexes butslightly, if at all, according to means is one between a so-called soft rocking action and a stiff one. If the soft rocking action is desired, then the screw 45 is turned to thread down through the boss so as to tilt the seat I! downwardly toward the rear. Thus, the action of the Weight of the occupant functions in a plane substantially perpendicular to the plane of the leg 24 of the spring element and such weight is more effective.
If a stiffer rocking action is desired, the screw 46 is turned in the other direction so that the means H is tilted slightly forwardly-about the axis of the shaft 15 so as to impart a slight inclination to the front part of the seat. This change in inclination is enough so that the weight of the occupant is imposed on the legs of the spring element at an angle less than the perpendicular and is thus less effective to flex said legs so that relatively the spring becomes stiffer. These two positions of adjustment appear in full lines and in dotted lines in Fig. 3.
The chair is of a relatively simple construction, is quiet and free from squeaks under rocking action and the rocking action may be readily adjusted without the use of tools, byturning only the member 26. The operating parts of the chair, while disposed so as to be concealed from .view from the front of the chair, are readily acseat supporting means mounted thereon for a backward and forward rocking. movement, said base including a forwardlyand-rearwardly ea tending member which is capable-of a longitudinal flexirg, a spring-like element arranged between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending forwardly and rearwardly of. the chair and being 'operatively connected together at one end,
said lower leg having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means. operatively connecting. the other end of said. upper leg of. said spring-like. elementto said seat supporting Imean's'. f a
2. A chair embodying thereina base and a seat supporting means mounted thereon for abackward and forward rocking movement, a longitudinally flexible member extending forwardly and rearwardly of the base and operatively secured at one end to said base, means for supporting the other end of said member from said base so as to be capable of a limited longitudinal movement relative to the base, a spring-like element arranged above said member for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs extending forwardly and rearwardly of the chair and being operatively connected together at one end, said lower leg having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg of said spring-like element to said seat supporting means.
3. A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, a member extending forwardly and rearwardly of the base and operatively secured at one end to said base, means including a link swingably mounted upon the base and to which the other end of said member is operatively connected for support, a spring-like element arranged above said member and arranged substantially parallel therewith for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs, said lower legs having supporting engagement upon and being operatively connected to said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg of said spring-like element to said seat supporting means.
4. A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross bars, a longitudinally flexible forwardly and rearwardly extending member operatively disposed between the side members of the base and connected at one end to one of said cross bars, means connecting the other end of said last mentioned member to the other of said cross bars so as to be capable of a limited longitudinal movement toward and away from said other of said cross bars, a spring-like element for cushioning the rocking movement of said seat supporting means, said element including upper and lower legs operatively connected together at one end, said lower leg bearing upon and being operatively connected to said forwardly and rearwardly extending member for support thereby, and means operatively connecting the other end of the upper leg of said spring-like element to said seat supporting means.
5. A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross bars, a forwardly and rearwardly extending member associated with the base and disposed in a plane between the side members of the base, means operatively connecting the front end of said member to said front cross bar, means providing a swinging link connection for the other end of said member with said rear cross bar of the base, a spring-like element arranged above said member and having upper and lower legs that extend forwardly .and rearwardly cf the chair, said lower leg engaging upon and being operatively connected to said forwardly and rearw-ardly extending member, and means operativelybonnecting the other endof said upper leg to the seat supporting means.
' 6. -A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward rocking movement, said base comprising side members and front and rear cross members, a forwardly and rearwardly extending member operatively disposed between said side members of the base and connected at one end to the front cross member, a pendently hanging U-shaped link pivotally connected to the rear cross member of the base and operatively receiving and having the other end of said forwardly and rearwardly extending member operatively connected thereto, a spring-like element between the seat supporting means and the base and including upper and low-er legs connected together at one end, said lower leg having its free end disposed in and operatively connected to said U-shaped link, means surrounding a part of said forwardly and rearwardly extending member and a part of said lower leg at a point between its ends to prevent lateral separation of said leg and said forwardly and rearwardly extending member, and means operatively connecting the other end of said upper leg to said seat supporting means.
7. A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other end of the lower leg to said base, means for operatively securing the other end of said upper leg to said seat supporting means and including a member pivoted to said seat supporting means, and a screw-like member swivelled in said last mentioned member and having a threaded engagement with said other end of said upper leg of said spring-like element.
8. A chair embodying therein a base and a seat supporting means mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other end of the lower leg to the base, means for operatively securing the other end of said upper leg to said seat supporting means and including laterally spaced ears secured to a part of said seat supporting means, a member pivotally connected to said ears about an axis disposed at a right angle to said upper leg, and a screw member swivelled in said pivoted member and having a screw-threaded engagement with the associated end of said upper leg of the said spring-like element.
9. A chair embodying therein a base and a seat supporting mean mounted thereon for a backward and forward movement, a spring-like element disposed between said base and said seat supporting means for cushioning said rocking movement, said element including upper and lower legs extending from the front to the rear of the chair and operatively connected together at one end, means for operatively securing the other Years, and a screw member having a swivel connection with said clip and having a screw-threaded connection with the associated end of said upper leg of said spring-like element.
LEWIS LARSEN. ELOF P. KLAR.
US342926A 1940-06-28 1940-06-28 Chair Expired - Lifetime US2313559A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586951A (en) * 1945-08-23 1952-02-26 Dorothy K S Johnson Spring supported chair
DE1099706B (en) * 1953-09-21 1961-02-16 Werner Kuester Seating furniture with an upper part consisting of seat and backrest, which is arranged to swing on the leg frame
US3070343A (en) * 1960-05-05 1962-12-25 Henry J Gariepy Swivel hinge support
US3290091A (en) * 1966-01-14 1966-12-06 Goodman Robert Chairs with tiltable portions
US3297360A (en) * 1964-04-24 1967-01-10 Holmstrom Erik Folke Chair
US3369840A (en) * 1965-07-23 1968-02-20 Dare Inglis Products Ltd Chair tilting mechanism
US3411822A (en) * 1966-11-10 1968-11-19 Borenstein Martin Double spring mounted chair
US5505521A (en) * 1993-05-06 1996-04-09 Grammer Ag Sprung seat frame
US5599064A (en) * 1995-07-27 1997-02-04 Telescope Casual Furniture Co. Swivel rocker
US6752458B1 (en) * 2002-12-13 2004-06-22 Tropitone Furniture Co., Inc. Rocking chair
US6827401B2 (en) 2001-10-17 2004-12-07 La-Z-Boy Incorporated Leaf spring rocker mechanism for a reclining chair
US20040256533A1 (en) * 2003-06-18 2004-12-23 Eby David C. Display platform
US20050017557A1 (en) * 1998-01-21 2005-01-27 Herman Miller, Inc. Chair
US20090243368A1 (en) * 2006-04-14 2009-10-01 La-Z-Boy, Incorporated Rocking reclining chair
US20100207437A1 (en) * 2005-09-15 2010-08-19 Agio International Company, Ltd. Swivel rocker chair and assembly
US20220273103A1 (en) * 2018-04-19 2022-09-01 Cramer Llc Chair having pliable backrest and methods for same

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586951A (en) * 1945-08-23 1952-02-26 Dorothy K S Johnson Spring supported chair
DE1099706B (en) * 1953-09-21 1961-02-16 Werner Kuester Seating furniture with an upper part consisting of seat and backrest, which is arranged to swing on the leg frame
US3070343A (en) * 1960-05-05 1962-12-25 Henry J Gariepy Swivel hinge support
US3297360A (en) * 1964-04-24 1967-01-10 Holmstrom Erik Folke Chair
US3369840A (en) * 1965-07-23 1968-02-20 Dare Inglis Products Ltd Chair tilting mechanism
US3290091A (en) * 1966-01-14 1966-12-06 Goodman Robert Chairs with tiltable portions
US3411822A (en) * 1966-11-10 1968-11-19 Borenstein Martin Double spring mounted chair
US5505521A (en) * 1993-05-06 1996-04-09 Grammer Ag Sprung seat frame
US5599064A (en) * 1995-07-27 1997-02-04 Telescope Casual Furniture Co. Swivel rocker
US7004543B2 (en) * 1998-01-21 2006-02-28 Herman Miller, Inc. Chair
US20050017557A1 (en) * 1998-01-21 2005-01-27 Herman Miller, Inc. Chair
US6827401B2 (en) 2001-10-17 2004-12-07 La-Z-Boy Incorporated Leaf spring rocker mechanism for a reclining chair
US7175232B2 (en) 2002-12-13 2007-02-13 Tropitone Furniture Co., Inc. Rocking chair
US6752458B1 (en) * 2002-12-13 2004-06-22 Tropitone Furniture Co., Inc. Rocking chair
US20040164219A1 (en) * 2002-12-13 2004-08-26 Richard Rivera Rocking chair
US20040256533A1 (en) * 2003-06-18 2004-12-23 Eby David C. Display platform
US6969037B2 (en) * 2003-06-18 2005-11-29 Rubbermaid Incorporated Display platform
US20100207437A1 (en) * 2005-09-15 2010-08-19 Agio International Company, Ltd. Swivel rocker chair and assembly
US7841660B2 (en) * 2005-09-15 2010-11-30 Agio International Company Limited Swivel rocker chair and assembly
US20090243368A1 (en) * 2006-04-14 2009-10-01 La-Z-Boy, Incorporated Rocking reclining chair
US7845727B2 (en) * 2006-04-14 2010-12-07 La-Z-Boy Incorporated Rocking reclining chair
US20220273103A1 (en) * 2018-04-19 2022-09-01 Cramer Llc Chair having pliable backrest and methods for same
US11779121B2 (en) * 2018-04-19 2023-10-10 Cramer Llc Chair having pliable backrest and methods for same

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