US2428087A - Furniture - Google Patents

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US2428087A
US2428087A US492909A US49290943A US2428087A US 2428087 A US2428087 A US 2428087A US 492909 A US492909 A US 492909A US 49290943 A US49290943 A US 49290943A US 2428087 A US2428087 A US 2428087A
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chair
seat
support
arm
fastened
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US492909A
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Frederick E Markus
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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
    • A47C7/62Accessories for chairs
    • A47C7/68Arm-rest tables ; or back-rest tables

Definitions

  • This invention relates to new and useful improvements in furniture, and has particular reference to improvements in chairs for classroom or similar use.
  • An object of the invention is to provide a chair embodying a construction adapting the same readily to be converted from a simple chair-to a tablet-arm chair, chair-desk or the like.
  • Another object of the invention is to provide a chair which may be supported either by legs or a pedestal base or its equivalent and which, in either case, is equally as readily adapted to have attached thereto a tablet arm, desk element, table. or the like.
  • Another object of the invention is to provide a chair embodying a spring-restrained seat which is yieldably tiltable to accommodate pupils or other persons of various different sizes and to support them in proper sitting posture.
  • Another object of the invention is to provide a tablet-arm chair or chair-desk.
  • the tablet-arm element or the desk element as the case may be, is provided with novel means for supporting a book in proper reading or reference position with respect to a pupil or other person occupying the seat of the chair.
  • Fig. 1 is a side elevation of a chair constructed in accordance with one practical embodiment of the invention.
  • Fig. 2 is a front elevation of the chair.
  • Fig. 3 is a top plan view of the chair.
  • Fig. 4 is an enlarged longitudinal section through the seat of the chair showing the tiltable mounting therefor;
  • Fig. 5 is a view similar to Fig. 1 showing a pedestal base support for the chair.
  • the present chair includes, as usual, a seat III. a back II and supporting means I2 for said seat and back which, according to Figs. 1 to 4, is in the form of legs I2 but which, if desired, may be in the form ofa pedestal base 12 or its equivalent as shown in Fig. 5.
  • the back II comprises an L-shaped strap I3 of suitable thickness and width including an upright portion I4 and a horizontal portion I5 extending forwardly from the lower end of said upright portion, and in accordance with the invention the legs IZ if'they'are employed as the supporting means I2, have inturned upper end portions I6 which extend over said strap portion l5 and are suitably fastened thereto.
  • the supporting means I2 is in the form of a pedestal base or its equivalent, as illustrated in Fig. 5, it includesa Cshaped' standard I2 upon the top of the upper end portion of which the strap portion I5 is suitably fastened. In either case, transverse slats It or the like are suitably fastened. to the front of the strap upright. portion I4 to constitute a.
  • slats or the like are suitably curved on' a smaller radius than is customary to prevent pressure on the base of the spine and to make more intimate contact with the right and left shoulder and buttock portions which are padded areas capable of giving support with comfort.
  • the seat II] is mounted upon. the legs IZ orthe standard I2; as the case may be, by means of a pair of brackets I9, and it is a feature of the invention that these, same brackets I9.
  • the chair supporting means I2 is'in the form of legs or a pedestal base.
  • three legs preferably are employed, one at the front and center of the chair and the other two diverging rearwardly, and the brackets I9, are fastened against the-opposite side faces of the upper end portion of the front leg.
  • the supporting means I2 is in the form of a pedestal base, including a standard such as the standard I2, the brackets I9 are fastened against the opposite faces of the upper end portion of said standard.
  • a horizontal pintle 28 which extends transversely relative to the chair connects the brackets I9 with the seat II) so that the seat is pivotally mounted upon the supporting means I2 forforward and rearward tilting movement.
  • a suitable spring Z-I such, for example as acoil spring surrounding the pintle 20 and having one of its ends suitably anchored to one of the brackets I9 and its other end suitably anchored to the seat Ill, tends constantly to hold said seat III in a substantially horizontal position and to resist rearward tilting movement thereof.
  • the spring 2 I is amply strong to prevent any appreciable rearward tilting of the seat under the weight of an average or lighter thanaverage person occupying the same;
  • the pintle 2B is located so that the center of gravity of heavier persons.
  • the additional weight of heavier occupants is offset by the fact that their center of gravity moves forward toward or over the pivot point.
  • the raising and lowering of the rear end of the seat tends to correct the distance between the writing surface and the seat for tall and short occupants. Accordingly, said seat readily adapts itself to best sitting posture positions for persons of different sizes and weights occupying the chair.
  • the top of the seat Ill preferably is contoured with an additional recess to conform as nearly as possible to the tuberosities of the ischium of the average person occupying the same so that the persons weight is distributed substantially uniformly over the seat.
  • Both the strap I3 and the slats 18 preferably are formed from spring metal or other flexible material so as to yield in response to a persons weight being imposed upon the same and thus contribute to the comfort of the person occupying the chair.
  • a tablet-arm 22 for use with the chair is shown in the drawings and includes a work supporting front portion 23 of any suitable size and shape, an arm rest portion 24 extending rearwardly from one side of said work supporting portion 23, and a slat 25 extending inwardly from the rear end of said arm rest portion 24 to be detachably fastened to the chair back H.
  • the slat 25 may bev detachably fastened to the chair back H in any suitable manner.
  • it may be fastened to the strap portion M by screws 26 as illustrated in Fig. 3, or said strap portion l4 may be provided with a slot 21 in the form of a sleeve into which the slat 25 ma be inserted, as illustrated in Fig. 5.
  • one of the slats of the back H is constituted by the slat 25 or, equivalently, by accommodates slat 25.
  • the tablet arm 22 When the slat 25 is operatively attached to the back II the tablet arm 22 is disposed at a forward and upward inclination with the work supporting portion 23 thereof disposed above the seat Ill in front of the space occupied by-a person sitting in the chair and with the arm rest portion 24 disposed at one side of said space, as shown in Figs. 2 and 3.
  • a C-shaped member 28 of metal or any other suitable material is fastened at its lower end to the strap portion IE or to the upper end of the standard
  • the medial portion of said member 28 is, of course, disposed suniciently far outwardly with respect to the slat I so as not to interfere with a person occupying said seat.
  • said member 28 is detachably fastened to either or both the tablet arm 22 and the support l2 to permit ready removal of the tablet arm from, the chair if and when desired.
  • a chair desk or the like of the same general construction as the tablet arm 22 may be used in place of said tablet arm and may be attached to the chair in the same manner as said tablet arm.
  • an addithe sleeve 21 which tional support for either of said elements may be employed if desired, said additional support being in the form, for example, of a leg 29 attached to an under portion of the tablet arm or the chair desk, as the case may be, at the front end thereof and resting upon the floor in front of the chair.
  • the front leg of the chair supporting means may be eliminated when the leg 29 is employed.
  • a table may be attached to the basic furniture and supported by a pair of legsfsimilar to the leg 29, if desired.
  • a element 3 upon which the lower edge of a book may rest with its back supported by the element 30, the dispositions of said elements 30, 3
  • the tablet arm has formed in the upper face thereof, inwardly with respect to the element 3
  • the present chair provides for comfortably seating in correct sitting posture pupils or other persons of differ,-
  • a chair comprising a seat, a back, and a support for said seat and back,'said back including a strap fastened to'and rising from said support,
  • a chair comprising a seat, a back, and. a support for said seat and back, said back including a strap having a horizontally disposed lower end portion and an upright portion rising therefrom, said support comprising legs having inturned upper end portions disposed upon and fastened to the lower end portion of said strap, a pair of brackets fastened to opposite sides of one of said legs, said seat being pivotally mounted upon said brackets for forward and rearward tilting movement independently of said back, and spring means holding said seat normally in a predetermined position and yieldably resisting tilting movements thereof.
  • a chair as set forth in claim 7 including a work supporting element disposed in front of the back above the seat, an arm rest extending rear- Wardly from one side of said work support, and a slat extending inwardly from said arm rest across the strap and detachably fastened to the latter for supporting said arm rest.
  • a chair as set forth in claim 7 including a work supporting element disposed in front of the back above the seat and. arm extending rearwardly from one side of said work support and fastened to the strap of said back, and a C-shaped support for the front end portion of said work support detachably fastened at one end to said work support and at its other end to the support for said seat and back.

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  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

Sept. 30, 1947.
F. E. MARKus FURN I TURE Filed June so, 1945 Patented Sept. 30, 194.7
Frederick E. Markus, Belmont, Mass.
Application June 30, 1943,. Serial No. 492,909
9 Claims. (01. 155-77) This invention relates to new and useful improvements in furniture, and has particular reference to improvements in chairs for classroom or similar use.
An object of the invention is to provide a chair embodying a construction adapting the same readily to be converted from a simple chair-to a tablet-arm chair, chair-desk or the like.
Another object of the invention is to provide a chair which may be supported either by legs or a pedestal base or its equivalent and which, in either case, is equally as readily adapted to have attached thereto a tablet arm, desk element, table. or the like.
Another object of the invention is to provide a chair embodying a spring-restrained seat which is yieldably tiltable to accommodate pupils or other persons of various different sizes and to support them in proper sitting posture.
Another object of the invention is to provide a tablet-arm chair or chair-desk. according to which the tablet-arm element or the desk element, as the case may be, is provided with novel means for supporting a book in proper reading or reference position with respect to a pupil or other person occupying the seat of the chair.
The above and other objects of the invention will in part be obvious and will be hereinafter more fully pointed out.
In the accompanying drawings, wherein like characters of reference denote corresponding parts in the different views:
Fig. 1 is a side elevation of a chair constructed in accordance with one practical embodiment of the invention.
Fig. 2 is a front elevation of the chair.
Fig. 3 is a top plan view of the chair.
Fig. 4 is an enlarged longitudinal section through the seat of the chair showing the tiltable mounting therefor; and
Fig. 5 is a view similar to Fig. 1 showing a pedestal base support for the chair.
Referring more in detail to the accompanying drawings, it will be observed that the present chair includes, as usual, a seat III. a back II and supporting means I2 for said seat and back which, according to Figs. 1 to 4, is in the form of legs I2 but which, if desired, may be in the form ofa pedestal base 12 or its equivalent as shown in Fig. 5.
The back II comprises an L-shaped strap I3 of suitable thickness and width including an upright portion I4 and a horizontal portion I5 extending forwardly from the lower end of said upright portion, and in accordance with the invention the legs IZ if'they'are employed as the supporting means I2, have inturned upper end portions I6 which extend over said strap portion l5 and are suitably fastened thereto. If, on the other hand, the supporting means I2 is in the form of a pedestal base or its equivalent, as illustrated in Fig. 5, it includesa Cshaped' standard I2 upon the top of the upper end portion of which the strap portion I5 is suitably fastened. In either case, transverse slats It or the like are suitably fastened. to the front of the strap upright. portion I4 to constitute a. support for the back of the person occupying the chair, and said slats or the like are suitably curved on' a smaller radius than is customary to prevent pressure on the base of the spine and to make more intimate contact with the right and left shoulder and buttock portions which are padded areas capable of giving support with comfort.
The seat II] is mounted upon. the legs IZ orthe standard I2; as the case may be, by means of a pair of brackets I9, and it is a feature of the invention that these, same brackets I9. may be employed whether the chair supporting means I2 is'in the form of legs or a pedestal base. In other words, if the supporting means I2 is in the form of legs, three legs preferably are employed, one at the front and center of the chair and the other two diverging rearwardly, and the brackets I9, are fastened against the-opposite side faces of the upper end portion of the front leg. If, on the other hand, the supporting means I2 is in the form of a pedestal base, including a standard such as the standard I2, the brackets I9 are fastened against the opposite faces of the upper end portion of said standard.
Ineither case, a horizontal pintle 28 which extends transversely relative to the chair connects the brackets I9 with the seat II) so that the seat is pivotally mounted upon the supporting means I2 forforward and rearward tilting movement.
Moreover, a suitable spring Z-I such, for example as acoil spring surrounding the pintle 20 and having one of its ends suitably anchored to one of the brackets I9 and its other end suitably anchored to the seat Ill, tends constantly to hold said seat III in a substantially horizontal position and to resist rearward tilting movement thereof. The spring 2 I is amply strong to prevent any appreciable rearward tilting of the seat under the weight of an average or lighter thanaverage person occupying the same; The pintle 2B is located so that the center of gravity of heavier persons.
is' approximately over the pivot point while the center of gravity of lighter persons is disposed somewhat in rear thereof. Thus, the additional weight of heavier occupants is offset by the fact that their center of gravity moves forward toward or over the pivot point. The raising and lowering of the rear end of the seat tends to correct the distance between the writing surface and the seat for tall and short occupants. Accordingly, said seat readily adapts itself to best sitting posture positions for persons of different sizes and weights occupying the chair. Moreover, the top of the seat Ill preferably is contoured with an additional recess to conform as nearly as possible to the tuberosities of the ischium of the average person occupying the same so that the persons weight is distributed substantially uniformly over the seat.
Both the strap I3 and the slats 18 preferably are formed from spring metal or other flexible material so as to yield in response to a persons weight being imposed upon the same and thus contribute to the comfort of the person occupying the chair.
A tablet-arm 22 for use with the chair is shown in the drawings and includes a work supporting front portion 23 of any suitable size and shape, an arm rest portion 24 extending rearwardly from one side of said work supporting portion 23, and a slat 25 extending inwardly from the rear end of said arm rest portion 24 to be detachably fastened to the chair back H.
The slat 25 may bev detachably fastened to the chair back H in any suitable manner. For example, it may be fastened to the strap portion M by screws 26 as illustrated in Fig. 3, or said strap portion l4 may be provided with a slot 21 in the form of a sleeve into which the slat 25 ma be inserted, as illustrated in Fig. 5. In either case, one of the slats of the back H is constituted by the slat 25 or, equivalently, by accommodates slat 25. V
The sleeve 21 or the. slat 25, as the case may be, projects forwardly and may be padded to give support at the small of the back;
When the slat 25 is operatively attached to the back II the tablet arm 22 is disposed at a forward and upward inclination with the work supporting portion 23 thereof disposed above the seat Ill in front of the space occupied by-a person sitting in the chair and with the arm rest portion 24 disposed at one side of said space, as shown in Figs. 2 and 3. In this connection, in order effectively to support the front part of the tablet arm 22, a C-shaped member 28 of metal or any other suitable material, is fastened at its lower end to the strap portion IE or to the upper end of the standard |2, as the case may be, and at its upper end is fastened to the under side of the work supporting portion 23 of said tablet arm at any suitable point so as to constitute a strut between said tablet arm and the support I2. The medial portion of said member 28 is, of course, disposed suniciently far outwardly with respect to the slat I so as not to interfere with a person occupying said seat. Moreover, said member 28 is detachably fastened to either or both the tablet arm 22 and the support l2 to permit ready removal of the tablet arm from, the chair if and when desired. Furthermore, a chair desk or the like of the same general construction as the tablet arm 22 may be used in place of said tablet arm and may be attached to the chair in the same manner as said tablet arm.
While the member 28 may be relied upon to effectively support the front portion of the tablet arm 22 or, equivalently, a chair desk, an addithe sleeve 21 which tional support for either of said elements may be employed if desired, said additional support being in the form, for example, of a leg 29 attached to an under portion of the tablet arm or the chair desk, as the case may be, at the front end thereof and resting upon the floor in front of the chair. The front leg of the chair supporting means may be eliminated when the leg 29 is employed. A table may be attached to the basic furniture and supported by a pair of legsfsimilar to the leg 29, if desired.
Rising from the work supporting portion 23 of the tablet arm 22 at the front end thereof is a element 3: upon which the lower edge of a book may rest with its back supported by the element 30, the dispositions of said elements 30, 3| being such as to support a book in proper reading or reference position to the eyes of a person occupying the seat I0. In addition,the portion, 23- of;
the tablet arm has formed in the upper face thereof, inwardly with respect to the element 3|, a groove 32 to accommodate the lower edg of a book with its back supported by the element 3!.
Thus, provision is made for supporting a book-in:
either of two different positions upon the tablet arm, these two different positions being approximately the proper reading or reference positions for a tall or a short person occupying the chair.
From the foregoing it will be seen the present chair provides for comfortably seating in correct sitting posture pupils or other persons of differ,-
. ent heights within a given height range and, at
the same time provides for readily converting the chair from a simple chair to a tablet-arm chair or to a desk chair or the like in a minimum of time and with little effort.
While the invention has been described in connection with a few practical embodiments, it is to be clearly understood that various changes in the details of construction and arrangement ofparts may be made Without departing from the' scope of the invention as set forth in the ap-' pended claims:
I claim: v 1. A chair comprising a seat, a back, and a support for said seat and back,'said back including a strap fastened to'and rising from said support,
slats fastened to said strap, a work supporting ing a strap fastened to said support and rising therefrom, slats fastened to said strap, a work supporting element in front of said back above said seat, and an arm rest at one side of the chair connecting one side of said element with one end of one of said slats.
4; A chair as claimed in claim 3, wherein the seat is connected to said support by pivotal means providing for yielding pivotal movement of said seat independently of said back and said work supporting element.
5. A chair as claimed in claim 3, wherein the support is provided upstanding bracketmeans on which said seat is pivotally mounted for re- 's'iliently yielding pivotal movement independently of said back and said work supporting element.
6. A chair as claimed in claim 3, wherein the support is provided with spaced upstanding brackets carrying a pintle for pivotally supporting said seat and wherein a coil spring is disposed around said pintle and connected to said seat and one of said brackets whereby the seat is mounted for yielding pivotal movement independently of said back and said work supporting element.
7. A chair comprising a seat, a back, and. a support for said seat and back, said back including a strap having a horizontally disposed lower end portion and an upright portion rising therefrom, said support comprising legs having inturned upper end portions disposed upon and fastened to the lower end portion of said strap, a pair of brackets fastened to opposite sides of one of said legs, said seat being pivotally mounted upon said brackets for forward and rearward tilting movement independently of said back, and spring means holding said seat normally in a predetermined position and yieldably resisting tilting movements thereof.
8. A chair as set forth in claim 7 including a work supporting element disposed in front of the back above the seat, an arm rest extending rear- Wardly from one side of said work support, and a slat extending inwardly from said arm rest across the strap and detachably fastened to the latter for supporting said arm rest.
9. A chair as set forth in claim 7 including a work supporting element disposed in front of the back above the seat and. arm extending rearwardly from one side of said work support and fastened to the strap of said back, and a C-shaped support for the front end portion of said work support detachably fastened at one end to said work support and at its other end to the support for said seat and back.
FREDERICK E. MARKUS.
5 REFERENCES CITED The following references are of record in the file of this patent:
10 UNITED STATES PATENTS Number Name Date 458,009 Armstrong Aug. 18, 1891 1,092,625 Babbitt Apr. 7, 1914 965,414 Shannon July 26, 1910 452,686 Adams et al May 19, 1891 189,933 Geise Apr, 24, 1877 1,836,630 Thum Dec. 15, 1931 1,984,699 Rastetter Dec. 18, 1934 601,874 Hiteshew et a1 Apr. 5, 1898 1,196,827 Wanner, Jr Sept. 5, 1916 644,506 Dromgold Feb. 27, 1900 313,642 Baldwin Mar, 10, 1885 1,583,217 Wurdack May 4, 1926 163,145 Brada May 11, 1875 1,437,848 Kisor et a1. Dec. 5, 1922 530,880 Briggs, Jr Dec. 11, 1894 132,508 White Oct. 22, 1872 316,127 Demand Apr. 21, 1885 1,170,073 Kenealy et al Feb. 1, 1916 1,752,102 Mew et al Mar. 25, 1930 325,981 Shepard Sept. '8, 1885 2,083,838 Goenen June 15, 1937 105,517 Teal July 19, 1870 929,272 Baron July 27, 1909 776,044 Blanchard Nov. 29, 1904 444,355 Hendrickson Jan. 6, 1891 2,124,893 Peppas July 26, 1938 259,660 Berninghaus June 20, 1882 673,578 Johnson May 7, 1901
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649136A (en) * 1947-03-01 1953-08-18 Herman Miller Furniture Compan Furniture shock mount construction

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US105517A (en) * 1870-07-19 Improvement in the construction of chairs
US132508A (en) * 1872-10-22 Improvement in tipping-chairs
US163145A (en) * 1875-05-11 Improvement in rocking-chairs
US189933A (en) * 1877-04-24 Improvement in oscillating chairs
US259660A (en) * 1882-06-20 Barbels chair
US313642A (en) * 1885-03-10 Back for piano-stools
US316127A (en) * 1885-04-21 Tilting-chair
US325981A (en) * 1885-09-08 School-desk
US444355A (en) * 1891-01-06 Robert hendrickson
US452686A (en) * 1891-05-19 Spring attachment for chairs
US458009A (en) * 1891-08-18 Music sheet or book holder
US530880A (en) * 1894-12-11 Chair
US601874A (en) * 1898-04-05 hiteshew
US644506A (en) * 1898-11-21 1900-02-27 Walker A Dromgold Chair.
US673578A (en) * 1900-12-04 1901-05-07 Samuel W Johnson Chair.
US776044A (en) * 1904-02-08 1904-11-29 Horace Blanchard Theater-chair.
US929272A (en) * 1909-03-05 1909-07-27 W H Luther Chair.
US965414A (en) * 1909-08-19 1910-07-26 Mabel C Shannon Individual table.
US1092625A (en) * 1913-06-27 1914-04-07 Leland G Riley Music-holder.
US1170073A (en) * 1913-12-19 1916-02-01 John T Kenealy Restaurant-chair.
US1196827A (en) * 1915-03-27 1916-09-05 Albert Wanner Jr Tablet-arm chair.
US1437848A (en) * 1921-09-10 1922-12-05 Kisor Lorenz Seat for farm machinery
US1583217A (en) * 1924-08-18 1926-05-04 Wurdack Arthur Chair
US1752102A (en) * 1928-06-22 1930-03-25 George H Mew Chair
US1836630A (en) * 1928-07-16 1931-12-15 Thum Martin Chair
US1984699A (en) * 1930-07-16 1934-12-18 Rastetter William Charles Combination folding chair and table
US2083838A (en) * 1934-05-19 1937-06-15 Fritz Cross Company Chair
US2124893A (en) * 1936-09-15 1938-07-26 Peppas Sam Chair

Patent Citations (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US105517A (en) * 1870-07-19 Improvement in the construction of chairs
US132508A (en) * 1872-10-22 Improvement in tipping-chairs
US163145A (en) * 1875-05-11 Improvement in rocking-chairs
US189933A (en) * 1877-04-24 Improvement in oscillating chairs
US259660A (en) * 1882-06-20 Barbels chair
US313642A (en) * 1885-03-10 Back for piano-stools
US316127A (en) * 1885-04-21 Tilting-chair
US325981A (en) * 1885-09-08 School-desk
US444355A (en) * 1891-01-06 Robert hendrickson
US452686A (en) * 1891-05-19 Spring attachment for chairs
US458009A (en) * 1891-08-18 Music sheet or book holder
US530880A (en) * 1894-12-11 Chair
US601874A (en) * 1898-04-05 hiteshew
US644506A (en) * 1898-11-21 1900-02-27 Walker A Dromgold Chair.
US673578A (en) * 1900-12-04 1901-05-07 Samuel W Johnson Chair.
US776044A (en) * 1904-02-08 1904-11-29 Horace Blanchard Theater-chair.
US929272A (en) * 1909-03-05 1909-07-27 W H Luther Chair.
US965414A (en) * 1909-08-19 1910-07-26 Mabel C Shannon Individual table.
US1092625A (en) * 1913-06-27 1914-04-07 Leland G Riley Music-holder.
US1170073A (en) * 1913-12-19 1916-02-01 John T Kenealy Restaurant-chair.
US1196827A (en) * 1915-03-27 1916-09-05 Albert Wanner Jr Tablet-arm chair.
US1437848A (en) * 1921-09-10 1922-12-05 Kisor Lorenz Seat for farm machinery
US1583217A (en) * 1924-08-18 1926-05-04 Wurdack Arthur Chair
US1752102A (en) * 1928-06-22 1930-03-25 George H Mew Chair
US1836630A (en) * 1928-07-16 1931-12-15 Thum Martin Chair
US1984699A (en) * 1930-07-16 1934-12-18 Rastetter William Charles Combination folding chair and table
US2083838A (en) * 1934-05-19 1937-06-15 Fritz Cross Company Chair
US2124893A (en) * 1936-09-15 1938-07-26 Peppas Sam Chair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649136A (en) * 1947-03-01 1953-08-18 Herman Miller Furniture Compan Furniture shock mount construction

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