US2579577A - Vertically adjustable foot stool - Google Patents

Description

Dec. 25, 1951 s. E. Hl LL VERTICALLY ADJUSTABLE FOOT STOOL Filed Jan. 5, 1949 GLENN E. 1 21. L

IN VEN TOR.

Patented Dec. 25, 1951 H r 2,579,577 1 1 p i VERTICALLY ADJUSTABLE oo'r STOOL Glenn E. Hill, Los Angeles, Calif.; Fayra Dieterich,

administratrix of said Glenn E. Hill, deceased, assignor, by mesne assignments, to James G. Myer andJohn F. Dieterich, Jr., Los Angeles,

Calif.

ApplicationJanuary 3, 1949, Serial No. 68,767

tions to which it may be adjusted.

, 8 Claims. (01. 155 1i2) t This invention relates to an improved foot stool As shown in the drawings: and has for one of its principal objects the pro- The reference numeral It! indicates generally vision of a stool or the like which can be used the base or relatively fixed portion of the imfor supporting the legs or feet and which is alproved leg stool of this invention which is prefermost universally adjustable so that the utmost 5 ably of rectangular form and has four or more in comfort results. supporting legs I2.

One of the important objects of this inven- As shown, this is of open construction and is tion is to provide a leg supporting stool which provided with a slot or opening l4 in one side can be adjustably fixed and maintained at variinto which the adjusting and fixing means is ous heights and also at various angles whereby fitted. t practically any desired condition of leg support The upper movable and tiltable portion of the can be accomplished stool comprises essentially a platform 16 which Another object is the provision of a foot stool preferably corresponds in size and shape to the which is adjustable both as to height and angular outline of the base Ill and which is surmounted relationship and which adjustments can bepracby a cushion or the like 18 which can be of any itically instantaneously varied as desired, thereby suitable or preferred construction. c enabling the device to meet changing conditions Fitted inside the base structure I0 and preferwitha minimum expenditure of time and inconably adjacent the middle of the side portions are venience. opposed slotted plates 20 which are fastened to Yet another object of this invention is to pro- 20 the sides It! in any suitable manner as by screws vide in an adjustable and tiltable foot stool means .22. The plates are preferably channel shaped for supporting the adjustable and tiltable porwith web portions 24 whereby the plates themtion which shall be simple of construction but at selv s can be sp w y m th e frame the same time efficient and sturdy. elements [0. These slotted plates are similar I Another and still further important object of 25 in construction and are disposed exactly opposite the invention is the provision in an adjustable to each other, one of t e plat s being DOSiBiOHBd and tiltable foot stool of supporting arrangeadjacent the slot [4 in the base portion l0 and ments for the movable portion which will allow with its slot 26 in alignment therewith. said portion to be moved into such relationship Pivotally mounted at the bottom of each of to the base that the entire device will resemble s the plates 20 and below t s t 6 by ea s of an ordinary foot stool or cushioned seat and can u a pin or the like 28 is a pair of connected links be used as such. 30, as best shown in Figure 2. At its outer ends Other and further important objects of the these links are in turn pivotally connected by invention will be apparent from the disclosures means of pins or the like 32 to longer links 34 in the accompanying drawings and following 35 which cross each other as illustrated. Aligned specification. openings are provided in the links 34 at the points This invention, in a preferred form, is illusof crossing and a shaft .36 is fitted through the trated in the drawings and hereinafter more fully aligned Openings of both sets of links as best described. shown in Figures 1 and 3.

Inthe drawings: The shaft 36 is screw-threaded at each end,

Figure 1 is a perspective view of the improved the inner end having a fastening nut 38 mounted leg stool of this invention showing the movable thereonbehind the correspondi plate portion raised and also showing the adjustable The other end of this Shaft 38 xtends t oug and tiltable supporting elements for the movable the Opposite plate 20 and then through the slot and adjustable head. or opening [4 in the front of the base portion Figure 2 is a detail view of the combination of and this end is also Screw-threaded, av links which comprise the adjustable Supporting a knurled nut or the like 40 mounted thereon. l t, A sleeve 42 is positioned on the shaft 36 and F gure 3 is a detail view, partly in section, this sleeve extends between the plates 20 and the showing the actual construction of the adjustable respective links 34. The ends of this sleeve abut supporting links and the means for fixing the against washers or the like 44 which in turn consame in locked relationship with the support. tact the inner opposed faces of the links 34.

Figure 4 is an end view showing the head of Another sleeve 46 surrounds the outer end of the leg stool tilted into one of the many posithe shaft 36 and extends between the inside face of the corresponding plate 20 and the inner face 3 of the adjusting nut 40. This sleeve also abuts against a washer 48 and another washer may be used between its outer end and the inner face of the knurled nut 40. Composite short sleeves and washers may be employed as bearings for the crossedl-inks onthe shaft 3.6.

The outer ends of the links 34 are Jointed at 48 to further links or arms 50, the upper ends of which in turn are connected to each other :at '52 by means of pins or rivets, which pins pr rivets are fixed into the lowermost/ends of angle plates 54. These plates in turn are-fastened to the under-surface of the supporting element or platform It, as best shown in Figures 1 and This arrangement permits of a pivoting of (the =p'lat- I form or support [6 with its cushion l8 about the points 52 whereby its angular relationship to the supporting base l can be varied considerably.

The linkage 3ll-34-50 enables a raising or lowering of the cushion :18 and its platform support 16 with regard t the base ill and this ,relationship :can be varied lconsiderably, depending upon the length of .the slot #25 and :the proper-- tions of the associated :parts. The :device can the locked at an-ydesired height by simply tightening 1 the knurled nut 40, wherebythe washer-st and i8 are forced into :such :a :tight :relationship "with the links 34 and :the :plates 20 :by means of :the sleeves 42 and 46, :that :relative moyement 'of the links is not permitted. The pivotal supports 52 lor the platform are such :that sufficient friction exists, whereby iti'lted angular relationship will :he satisfactorily maintained, while at :the some time allowing of relative movement-whenever desired. it will be :evident that herein is provided i2, leg stool or the like which will :fonm .a HD0517 icon- 7 venient leg or foot rest for "persons grequining or desiring :such supports and which can 'he :so .;g;d--

justed that it'will zmeet substantiallyiany meqniriements so far assuch a sn gipoirting position is concerned. ldditionall z, :the ;same can be ;collapsed to form :an ordinary foot stool tor .seat .and ;will

appear to be such when not in use. .The device is simple of construction, easy of operation .and will meet practically all requirements for Tlegsnpport whether for simple icomfort or in Zthfi went of various leg ailments .or .inj uries.

I am aware thatmany .phanges may he made and numerous ideta-ils iflf construction 'avaried throughout a wide u'angewithoirtdepantingfrom the principles :of :this :invention .and I, 'thene'ione, :do :not purpose limiting .the; patentgranted hereon otherwise .thanas necessitated .by :prior art.

I claim aszmy invention:

l. A leg stool-comprisingiasupporting:Jaasezand a platform adjustaiblymounted on the base, :said mountingincludingaa seriesnflinksunzpantograph relationship and means ifor locking lthfi against movement.

,2. A leg stool-comprising-a supporting base-and a platform adjustably positioned :with respect to the base, said adjustment .including a series ,of links in zpantograph relationship and :means .ifor looking the :links :against movement, said means including ;a shaft .passing through aligned open ings in ,the crossedpnretionsiof :the

3. Arleg stool :compr'ising -.aisnpporting :basesand :beingslotted for permitting relative movement of portions of the links thereto, and a locking shaft passing through and connecting the links, said ,shaftinovahle-inthe slots.

5. Aleg stool comprising a supporting base and a platform adjustably positioned with respect to the base, said adjustment including a series of links in pantograph relationship, 'platesiinfiide t base for supporting the links; said plates bein slotted for permitting relative moi/termini; .Qf inortions of the links theretoashafwt passing ilhmfi h and =c-onnecting the .said shaft amenable in the slots, and means for locking the :Shfifit in desired relationship-withinesh pt to the platesiand links.

=6. Aleg stool comprising .a supporting zbasezand :a :platform adjustably and :tiltably mounted 9n the base, said adjustable and :tiltableunonnt-ing including a series of crossed and doinedjlinkszand .a pivotal connection between :the uppermost ilme- .tures :of :the links and the bottom lot the plat form. j

A leg stool comprising :a supporting maseiand ;a platform .adlustahly and tilta'bly imonnteii mi the base, said mounting including in, series of rivets joining the angle plates :to -the miner tends of the joined links. a

The following references are of record inthe file of this patent z H l UNITED STATES PATENTS Number Name 7 hate 23-71,,323 :Scarritt a Oct :11, 3 1587 5789;8113 iicngleyiwcwnws May i fi, 19

'FGREIGN 'PATENTS Number Country Date 131,602 .GreatBritain .,,c .2, 3

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