US2582791A - Vertically adjustable table - Google Patents

Vertically adjustable table Download PDF

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US2582791A
US2582791A US172251A US17225150A US2582791A US 2582791 A US2582791 A US 2582791A US 172251 A US172251 A US 172251A US 17225150 A US17225150 A US 17225150A US 2582791 A US2582791 A US 2582791A
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base
cam
legs
extensions
vertically adjustable
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US172251A
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Earl L Page
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/0039—Two position height adjustable table

Definitions

  • Figure 1' is a' top "perspective view of kal 'table constructed in accordance with this invention shown in it dollapsd forin ior normal use.
  • Fig- 24 s an under perspective view of the same.
  • Fig. 4 is a similar view of the table in its fully extended form.
  • Fig. 5 is an enlarged plan view of the under side of. the table top shown in the foregoing figures.
  • Fig. 6 is a view similar to Fig. 1 but showing the table top as being square instead of round.
  • Fig. '7 is an enlarged fragmentary detail of one of the legs and leg extensions in their relatively extended positions, as viewed from the plane of the line 1-'I of Fig. 4.
  • Fig. 8 is an enlarged fragmentary cross sec tional view of the table in its collapsed form as shown in Fig.1 1, the view being taken on the plane of the line 88 of Fig. 1.
  • Andmproved --adjustabletable-embodying this invention comprises a base I I and. artop v -I 2,.ithe legs I3 of which base II :have extensions .14 hinged thereto andconnected to ca'mstrackwfollowers- I5. travelling. in cam tracks.
  • I6 -.formed-- in the .under I sidaof the top I 2 wherebya rotation .of-the-top i 2 relative tolth base I I dispos unfaird --top at either of two (different levels. with respect to said base,.as. clearly shownin Figs..1,"2,.and 4.
  • the legsl -I-3 and the cross" braces. II could be. or any .other desired cross. sectional form, as taste. might .dic tate.
  • I ILpreierably is arrangedat the .intersection offthe cross braces I'I.
  • 'A shaft I9 is secured; tqithe, table top I2 and slidably""ari'd rotatablymountedi in the hollow post 18 y
  • "The-"table tiop IZ- may' be. ofanydesired conjtour-cirdhlanorsquare asher'ein' shown; or oval.
  • *It may be constructed 'in the conveiitirronal manner,-'preferably rifith a ri'm 20 j'depending" from the perimeter of "the ⁇ to'p I 2 arid 'thereby "forming 'a cavity: I on-the underside'bfthe" top.
  • "'A s'ubtop '22 coextensiveflwith”the table' top I2' is se- "ciir'd t the uriaerraee tr the rim 2 0- so; as"--'to inclose the cavity 2I to provide a chambers-mere- --'in tl'ieupper portion of the cam-track" followers 'I5 -are-housed.
  • the leg extensions I4 are each provided with mount brackets 23 and 24 oppositely curved and located at the opposite ends of the extensions and hinged to the legs I 3 and the cam-track followers l5 by pivot pins 25 and 26 respectively.
  • Each leg extension I4, and the companion leg I3 are cut away at 21 and 28 (see Fig. 9) to provide a recess for a tension spring 29 embracing hinge pin 25.
  • the ends of spring 29 bear against the extension I4 and the leg I3 so as to normally urge the extension I4 toward its elevated or extended position, as shown in Figs. 4 and 7. It should be observed that the vertical axis of the pivot pins 25-2B are not in alignment with the vertical axis of the leg extension I4. (See Fig. 7).
  • cam-track followers l5 each comprises a pair of blocks 30 and SI secured together on opposite sides of the subtop 22 by a screw pin 32 which extends through the cam-track slots I 6.
  • a table embodying this invention is designed for use generally as a cocktail, cofiee, or occasiona table in front of a living room davenport orlounge.
  • the top l2 When so used the top l2 would be disposed at -its lower level,- resting on the upper ends of legs l3 with the extensions folded inwardly and horizontally under the top I 2 (see Figs. 2 and 8). So arranged, the top I2 is too low' to be used for instance, as a card table. However, the table top [2 may be convenientlyv and easily shifted to a higher level so as to make the table available for such use.
  • a table of the class described comprising a 2.
  • a table of the class described comprising a supporting base, a top rotatably mounted on said base, arcuate-shaped, substantially spirally extending cam tracks, a plurality of links hinged to said base and to said followers for shifting between horizontal and vertical positions whereby This c'onversion is easily efiected by a person grasping the.
  • a table of the class described comprising a supporting base mounting a plurality of spaced vertical legs and a central post, a top mounted for axially shifting on said post, substantially spirally extending cam tracks formed on the under face of. said top,,,.camtrack,followers slidable on said tracks, link extensions hinged one to each of said legs and to one of said followers whereby said top may be disposed at vertically different levels with respect to said base, and yielding means for holding said top in the upper of said levels.
  • a table of the class described comprising a supporting base'mounting a plurality of spaced vertical legs and a central post, a top rotatably mounted on said post,. a plurality of arcuateshaped substantially spirally extending cam tracks formed onthe under face of said top, and link extensions hinged oneto each of said legs and to one of said followers whereby'rotative movement of said top disposes the same at vertically difierent levels with respect to said 5;
  • a table of the class described comprising a supporting base, a top formed with a perimetrical rim depending therefrom, a subtop substantially coextensive with said top secured to the under face of said rim and having substantially spirally extending cam grooves formed therein, blocks suspended from said subtop and each having 'a pin to traverse one of said grooves, and links hinged to said base and to said blocks whereby the shifting of said block pins in said grooves disposes said top at vertically different levels with EARL L. PAGE.

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  • Tables And Desks Characterized By Structural Shape (AREA)

Description

Jan. 15, 1952 L, PAGE 2,582,791
VERTICALLY ADJUSTABLE TABLE Filed July 6, 1950 2 SHEETS-SHEET l 1 1 p i n Em I K ill ' INVENTOR: EARL L. PAGE Jan. 15, 1952 E. 1.. PAGE 2, 82 791 VERTICALLY ADJUSTABLE TABLE Filed July 6, 1950 2 SI-lEE'I'S-SHEET 2 FIG? ' INVENTOR: EARL L. PAGE.
ATT'YS Patented Jan. 15. 1952 S PAtENr ctr-lice -7*2,582;'791 s VERTIGALLYFADIUSTABLEHBABL innit? Page; Nashville? nia.
shpplicationi M 1 195M861:i a No """il3laims. (01311- 39) .--This invention relates aim-provements in tabl'es, primarily adiusta-blei tables :for rinse in "homes' 'and more. particularlyin :the diving: room.
One of the -problcm's in, presentwday small menses and apartments isi thatwof having adequate furniture specifically suitable for the many Junctions-for which the average family would F like to makeiprovision. :Among the items of furni-ture' that are almostauniversally standard for: the-modern-home, next; to. thewtables required I =for mealsrare-the cofi'ee;cocktail; or occasional table for use *in front-- of the davenp orter-lounge andithe card table. -Insuch small rabodes -as presently arebeing- 'constructed#for the average vfamily; space.-sis at'apremiumfor either the "use I or-the storage-'ot-turniture that is-needed to meet the day-t0 @day. requirements. Accordingly; .many home attempting to expand-beyond.the-essentialneeds thave' to cramp their living quarters or overload their storage space.
The main 'objects oflthis invention, therefore, are toprovide an improvedformof table .nor- "'nially adapted for useasalow mvdcoffee: cocktail, or occasional table but ich""iseasily convertibleinto-aiorin siiitable for use a a card table :or the like; and to. -.provide an improved z table: structure of this kind which is economical to .=man ufacture, simple to operate, and which in its-collapsed low-level positionis asattractive ;as any comparable conventional living room furniture. v l
In the par-ticular embodimentof thekin-vefition shown infthe accompanying drawings: a
Figure 1' is a' top "perspective view of kal 'table constructed in accordance with this invention shown in it dollapsd forin ior normal use.
Fig- 24s an under perspective view of the same.
i s3 :is a view similar-"to; Fig;= 2 buttashowing the table top in the process of being extended or contracted with respect to the base.
Fig. 4 is a similar view of the table in its fully extended form.
Fig. 5 is an enlarged plan view of the under side of. the table top shown in the foregoing figures.
Fig. 6 is a view similar to Fig. 1 but showing the table top as being square instead of round.
Fig. '7 is an enlarged fragmentary detail of one of the legs and leg extensions in their relatively extended positions, as viewed from the plane of the line 1-'I of Fig. 4.
Fig. 8 is an enlarged fragmentary cross sec tional view of the table in its collapsed form as shown in Fig.1 1, the view being taken on the plane of the line 88 of Fig. 1.
Fig. 9 is an enlarged fragmentary perspective '2 V 7 not. the r-hingefconnection: of one of the deg... and wleg extensionshowing/the spring which normally urges?the?extension----toward= its elevated orwex- =-tended=position. V
Andmproved --adjustabletable-embodying this invention comprises a base I I and. artop v -I 2,.ithe legs I3 of which base II :have extensions .14 hinged thereto andconnected to ca'mstrackwfollowers- I5. travelling. in cam tracks. I6 -.formed-- =in the .under I sidaof the top I 2 wherebya rotation .of-the-top i 2 relative tolth base I I disposessaid --top at either of two (different levels. with respect to said base,.as. clearly shownin Figs..1,"2,.and 4. iThe base-[Isis ofvmore or leSscon'VentionaI construction wherein the. legs. I 3 are. supported at the'endsl cf'c'rossl braces I]. Although herein shown a i rectangularicross section, the legsl -I-3 and the cross" braces. II could be. or any .other desired cross. sectional form, as taste. might .dic tate. A. center hollow post or pedestal. I ILpreierably is arrangedat the .intersection offthe cross braces I'I. 'A shaft I9 is secured; tqithe, table top I2 and slidably""ari'd rotatablymountedi in the hollow post 18 y "The-"table tiop IZ-may' be. ofanydesired conjtour-cirdhlanorsquare asher'ein' shown; or oval. *It may be constructed 'in the conveiitirronal manner,-'preferably rifith a ri'm 20 j'depending" from the perimeter of "the {to'p I 2 arid 'thereby "forming 'a cavity: I on-the underside'bfthe" top. "'A s'ubtop '22 coextensiveflwith"the table' top I2' is se- "ciir'd t the uriaerraee tr the rim 2 0- so; as"--'to inclose the cavity 2I to provide a chambers-mere- --'in tl'ieupper portion of the cam-track" followers 'I5 -are-housed. F'I'he subtop Tit-may -be-"-bf i any suitable mat'erial such -as plywo'od" or=' r'e'sse'd fib're board. 'The cam tracks 1 I 6 *are' cut' -in 'tlie "subtop 22, extendin spira11 outward from a 'pbiiit"nean-the center' in theform bf arcsf-td'a point near the perimeter (see Fig. 5).
The leg extensions I4 are each provided with mount brackets 23 and 24 oppositely curved and located at the opposite ends of the extensions and hinged to the legs I 3 and the cam-track followers l5 by pivot pins 25 and 26 respectively.
Each leg extension I4, and the companion leg I3 are cut away at 21 and 28 (see Fig. 9) to provide a recess for a tension spring 29 embracing hinge pin 25. The ends of spring 29 bear against the extension I4 and the leg I3 so as to normally urge the extension I4 toward its elevated or extended position, as shown in Figs. 4 and 7. It should be observed that the vertical axis of the pivot pins 25-2B are not in alignment with the vertical axis of the leg extension I4. (See Fig. 7).
The cam-track followers l5, as herein shown, each comprises a pair of blocks 30 and SI secured together on opposite sides of the subtop 22 by a screw pin 32 which extends through the cam-track slots I 6.
A table embodying this invention is designed for use generally as a cocktail, cofiee, or occasiona table in front of a living room davenport orlounge. When so used the top l2 would be disposed at -its lower level,- resting on the upper ends of legs l3 with the extensions folded inwardly and horizontally under the top I 2 (see Figs. 2 and 8). So arranged, the top I2 is too low' to be used for instance, as a card table. However, the table top [2 may be convenientlyv and easily shifted to a higher level so as to make the table available for such use.
perimeter of the table top I 2 at two points and giving the table top [2 a rotative movement in a clockwise direction, as it is lifted." 'This'move- "'ment of the tabletop relative to the base I I will cause the pins 32 in'the cam-trackfollowers [5 to follow the cam-track grooves l6 in'a lateral direction thereby allowing the springs 29 to urge the leg extensions M to the vertical positions shown in Figs. 4 and 7.
When it is desired to reconvert the table to its normal use it is only necessary to reverse the rotation of the top I2 and press downwardly that is, rotate the top in a counterclockwisedirection so as to cause the cam-track follower pins 32 1 in the cam-track groove l6 to move inwardly to- .wards the center of the table. This will effect a swing of the leg extensions l 4 inwardly and down- .wardly against the action of the springs 29 allowing the top to come to rest at its lower level on the legs 12, as shown in Figs. 1 and 6.
Other variations and modifications in the details of structure and arrangement of the parts may be resorted to within the spirit and the cov- .erage of the following claims: c
I claim: 1. A table of the class described comprising a 2. A table of the class describedcomprising a supporting base, a top rotatably mounted on said base, arcuate-shaped, substantially spirally extending cam tracks, a plurality of links hinged to said base and to said followers for shifting between horizontal and vertical positions whereby This c'onversion is easily efiected by a person grasping the.
"base.
4 rotative movement of said top disposes the same at vertically different levels, and means yieldingly urging said links into their vertical positions.
3. A table of the class described comprising a supporting base mounting a plurality of spaced vertical legs and a central post, a top mounted for axially shifting on said post, substantially spirally extending cam tracks formed on the under face of. said top,,,.camtrack,followers slidable on said tracks, link extensions hinged one to each of said legs and to one of said followers whereby said top may be disposed at vertically different levels with respect to said base, and yielding means for holding said top in the upper of said levels.
4. A table of the class described comprising a supporting base'mounting a plurality of spaced vertical legs and a central post, a top rotatably mounted on said post,. a plurality of arcuateshaped substantially spirally extending cam tracks formed onthe under face of said top, and link extensions hinged oneto each of said legs and to one of said followers whereby'rotative movement of said top disposes the same at vertically difierent levels with respect to said 5; A table of the class described comprising a supporting base, a top formed with a perimetrical rim depending therefrom, a subtop substantially coextensive with said top secured to the under face of said rim and having substantially spirally extending cam grooves formed therein, blocks suspended from said subtop and each having 'a pin to traverse one of said grooves, and links hinged to said base and to said blocks whereby the shifting of said block pins in said grooves disposes said top at vertically different levels with EARL L. PAGE.
REFERENCES CITED The following references' are of record in the file of this patent:
UNITED STATES PATENTS Number Name 7 Date 1,138,804 Kaufman Mar. 20, 1915 1,495,991 Drynan June 3,1924 2,354,106 Cooper July 18, 1944 2,508,405 Lazard May 23, 1950 2,520,789 Weiss Aug. 29', 1950 2,522,202 Theis Sept. 12, 1950 2,531,233 Pettit Nov. 21, 1950 2,532,766 Galleret Dec. 5, 19 50 FOREIGN PATENTS Number Country Date Great Britain A. D. 1835
US172251A 1950-07-06 1950-07-06 Vertically adjustable table Expired - Lifetime US2582791A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673773A (en) * 1951-07-06 1954-03-30 George A Dusenbury Vertically adjustable table
US2792268A (en) * 1955-07-19 1957-05-14 William J Stanley Vertically adjustable table
US2819134A (en) * 1956-02-04 1958-01-07 Klevholm Karl Eric Hoisting and lowering devices for boards or plates
US2846282A (en) * 1955-11-18 1958-08-05 Jr Guy Barker Table extendable in height and size
US2913122A (en) * 1953-12-17 1959-11-17 Albert G Lomas Convertible table with pivotally supported table top elements
US3025119A (en) * 1959-05-13 1962-03-13 Arthur J Lucier Adjustable height table
DE1161396B (en) * 1957-04-20 1964-01-16 Adolf Wolfsbach Metallwarenfab Table with a height-adjustable top
US3179072A (en) * 1962-12-26 1965-04-20 Corlift Corp Hinge construction and method for elevating a chair seat
US4662286A (en) * 1986-01-13 1987-05-05 Castro Convertible Corporation Convertible table
WO1990001282A1 (en) * 1988-08-11 1990-02-22 Gerald Kavanagh Piece of furniture
USD493989S1 (en) 2003-05-09 2004-08-10 Gsc Technology Corporation Table top
US20140076074A1 (en) * 2012-09-20 2014-03-20 Kostadin Dimitrov Yanev Protrusive structure apparatus
US8967743B2 (en) 2010-06-10 2015-03-03 Herman Miller, Inc. Furniture component with floating top
ES2565253A1 (en) * 2015-12-02 2016-04-01 Fama Sofas, S.L. Convertible table structure (Machine-translation by Google Translate, not legally binding)
US9961989B2 (en) * 2016-03-07 2018-05-08 Marc Stefan Witt Radial scissor lift table and method
CN111407075A (en) * 2020-03-26 2020-07-14 安徽文香信息技术有限公司 Hidden shrink wisdom lectern
USD914417S1 (en) * 2019-03-29 2021-03-30 Arper S.P.A. Coffee table
USD974091S1 (en) * 2021-03-22 2023-01-03 Cody Campanie Table

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1138804A (en) * 1913-06-27 1915-05-11 Paul J Simmen Device for perforating paper.
US1495991A (en) * 1922-12-26 1924-06-03 Thomas H Drynan Boiler stand
US2354106A (en) * 1943-02-20 1944-07-18 Cooper Mary Kathryn Combined desk and table
US2508405A (en) * 1945-01-22 1950-05-23 Lazard Paul Vertically adjustable table
US2520789A (en) * 1948-10-07 1950-08-29 Weiss Hans Convertible table
US2522202A (en) * 1946-09-28 1950-09-12 Victor M Theis Table with mechanism whereby its top may be increased or decreased
US2531233A (en) * 1948-04-28 1950-11-21 John H Pettit Vertically adjustable table
US2532766A (en) * 1947-07-10 1950-12-05 Galleret Paul Francois Convertible table with vertically adjustable mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1138804A (en) * 1913-06-27 1915-05-11 Paul J Simmen Device for perforating paper.
US1495991A (en) * 1922-12-26 1924-06-03 Thomas H Drynan Boiler stand
US2354106A (en) * 1943-02-20 1944-07-18 Cooper Mary Kathryn Combined desk and table
US2508405A (en) * 1945-01-22 1950-05-23 Lazard Paul Vertically adjustable table
US2522202A (en) * 1946-09-28 1950-09-12 Victor M Theis Table with mechanism whereby its top may be increased or decreased
US2532766A (en) * 1947-07-10 1950-12-05 Galleret Paul Francois Convertible table with vertically adjustable mechanism
US2531233A (en) * 1948-04-28 1950-11-21 John H Pettit Vertically adjustable table
US2520789A (en) * 1948-10-07 1950-08-29 Weiss Hans Convertible table

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673773A (en) * 1951-07-06 1954-03-30 George A Dusenbury Vertically adjustable table
US2913122A (en) * 1953-12-17 1959-11-17 Albert G Lomas Convertible table with pivotally supported table top elements
US2792268A (en) * 1955-07-19 1957-05-14 William J Stanley Vertically adjustable table
US2846282A (en) * 1955-11-18 1958-08-05 Jr Guy Barker Table extendable in height and size
US2819134A (en) * 1956-02-04 1958-01-07 Klevholm Karl Eric Hoisting and lowering devices for boards or plates
DE1161396B (en) * 1957-04-20 1964-01-16 Adolf Wolfsbach Metallwarenfab Table with a height-adjustable top
US3025119A (en) * 1959-05-13 1962-03-13 Arthur J Lucier Adjustable height table
US3179072A (en) * 1962-12-26 1965-04-20 Corlift Corp Hinge construction and method for elevating a chair seat
US4662286A (en) * 1986-01-13 1987-05-05 Castro Convertible Corporation Convertible table
US5280753A (en) * 1988-08-11 1994-01-25 Gerald Kavanagh Variable height table
WO1990001282A1 (en) * 1988-08-11 1990-02-22 Gerald Kavanagh Piece of furniture
USD493989S1 (en) 2003-05-09 2004-08-10 Gsc Technology Corporation Table top
US8967743B2 (en) 2010-06-10 2015-03-03 Herman Miller, Inc. Furniture component with floating top
US20140076074A1 (en) * 2012-09-20 2014-03-20 Kostadin Dimitrov Yanev Protrusive structure apparatus
US8905054B2 (en) * 2012-09-20 2014-12-09 EZ as a Drink Productions, Inc. Protrusive structure apparatus
ES2565253A1 (en) * 2015-12-02 2016-04-01 Fama Sofas, S.L. Convertible table structure (Machine-translation by Google Translate, not legally binding)
US9961989B2 (en) * 2016-03-07 2018-05-08 Marc Stefan Witt Radial scissor lift table and method
USD914417S1 (en) * 2019-03-29 2021-03-30 Arper S.P.A. Coffee table
CN111407075A (en) * 2020-03-26 2020-07-14 安徽文香信息技术有限公司 Hidden shrink wisdom lectern
USD974091S1 (en) * 2021-03-22 2023-01-03 Cody Campanie Table

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