US2521920A - Air translating apparatus support - Google Patents

Description

Sept. 12, 1950 G. H. KOCH AIR TRANSLATING APPARATUS SUPPORT 2 Shets-Sheet 1 Filed March 13, 1947 FIG. 2.

FAGJ.

INVENTOR Gus-r-Av H..KOCH.

TTORNEY WITNESSES:

A 0 RC 2 H m 0 U W m K M M w v m 5 9 W V T 2 "w 4- A W 9 2 T h Y S H S B 2 .1 U u I G G. H. KOCH AIR TRANSLATING APPARATUS SUPPORT Se t. 12, 1950 Filed March 15, 1947 spaced to receive the end it of the screw 16 therebetween. A manual clamping member 2| having a handle 22 is mounted in screw-threaded relation in a suitable bore formed in collar l4 opposite the bore l1, and is adapted to be tightened into confining engagement with the annular spring elehold the related tubular portion 4 of the upper frame section 3 in any desired position, withre spect to the associated leg of the frame section 6,

without marring or otherwise damaging the sur race finish of the latter, by reason of the'fact that the non-metallic sleeve i3 is utilized to avoid metal-to-metal contact between the telescoped members.

In order to prevent upward movement of the frame section 3 beyond its uppermost position as illustrated in Fig. 1, the floor fan assemblyis provided with a concealedstop or position-limiting means, which, in the preferred embodiment of the invention illustrated in Figs. 4 and 5 oi the drawings, comprises a looped flexible wire or cable 23'; which is contained within'the U-sha'ped tubular frame section3. 1 In order to insure against the possibility of noisy contact betweenthe wire 23and"an'inner surface of frame section 3, the wire 23 is "preferably provided with a suitable covering-23a; which may be in the former wound 'co'ttonthreadr As shown in Fig' 5, one looped portion of wire 23 projects downwardly beyond one ofthe tubular portions 4 of'the tubular frame section '3, and thetwo joined ends of the wire extendingoutwardly of the other'portion 4' are secure'd together by means of a clamping-ring 24, best shown in Fig. 4.- It will'be noted that the ends oftlie wire 23 are bent upwardly and clamped to the ring 24, and preferably soldered into'place. At a point near the upper end of each "of'thetubu1ar'legs5 of the base frame section 6, the opposite surfaces of the leg are provided with indented and apertured surfaces for" receiving a pair of complementary screw threaded elements 26' and 21 forming a sleeve-nut assembly which is adapted'to be fittedtransversely within tubular reg 5 "to 'formanfanchor for the adjacent endof looped 'wire 231' It will be apparentthat when the members of 'the'frame'structure' are assembled as-sl' own in Fig. 4, excessive upward movement of the frame section 3 beyond 'a predetermined sate position with respect to frame section 6 will beprevented'uponengagement or the ends of "looped wire 23 with the respective pairs of sleeven'ut elements 26 and 21 carried in'legs 5.

" merrier-w assemble frame sections 3 and B,

the looped end of the wire 23 may first be inserted into one of the tubular portions 4 and drawn =butwardly of the other tubular portion sothat the-ends of the'wire'23 secured 'by ring 24 will also project from the first tubular portion 4, as

shown -in Fig. "5 of the drawings. The tubular poi'tions 4 are then broughtinto telescoped relation' with the legs 5 of'the lower frame-section :5.

if whereupon the respective pairs of screwthreaded elements'26 and 21 may be inserted "through the apertures in the indented surfaces 25 of' the legs 5 and through the corresponding "loops of the wire 23. It will be understood that prevent movement of the upper framesection '1 :other highly finished surfaces.

beyond its uppermost position. By slidably mounting within the U-shaped frame section 3 a single wire 23, doubled as described to provide looped ends that are inherently equalized in length, simultaneous engagement of both looped ends with the respective pairs of elements 26 and 21 is insured. This feature of the invention provides a considerable advantage over the use of separate and independent stop means for each of the two sides of the frame section.

It will thus be seen that the improved floor fan assembly just described may be adjusted to a maximum height, or a maximum dimension A as indicated in Fig. l of the drawings, in which position only the uppermost portions of tubular legs 5 of the base section 6 still remain in telescoping relation with the lowermost ends of the tubular portions 4 of the upper frame section 3. The height of the fan unit and the surrounding shroud assembly 2 constitutes a part of the dimension A. Referring to 2, itwill beobserved that upon adjustment-of the standard of the fan assembly to its telescoped' or collapsed position, indicated by dimension B, the-height of and, therefore; the space occupied by, the entire floor fan assembly is substantially halved, due to;the fact that the tubular legs 5 are received in-the tubular portions 4 of the upper frame section through a distance which includes the height of the fan unit 1 and'surrounding shroud assembly 2. The fan assemblyin its collapsed position as shown in Fig. 2 may thus be more readily handled for shipping and other purposes'thanwould be the case with a frame standard of the type heretofore employed,.having telescoping meanspermitting overlapping of only the portions of the frame members located below thefan unit, and

shroudassembly, whereby only the dimension of the standard below the fan unit could be halved. From the foregoing it will be apparent that the improved floor fan assembly constructed in .upper frame section may be adjusted. The

tubular constructionof the frame'members; together with substantial concealment of otherwise unsightly elements of the necessary clamping and position-limiting mechanisms are desirable characteristics rendering the fan apparatus suitable for household use. reason of the provision of hidden sleeves or tubes of non abrasivematerial as elements of the clamping mechanisms, any number of adjustments of the fan standard may be made without materially afiecting enameled or By usingthe novel and inexpensive arrangement of thewire loop contained in the U-shapedxsection incooperation with the stationary stop elements carried in the floor or base section; the standard assembly'has been "rendered substantially foolproof without unduly complicated additional structural elements.

=It will further be obvious that convenienceiin use and ease of transportation of the floor fan are insuredby the proportioning, construction and arrangement of the-upper and lower tubular form, it will be obvious to those skilled .infthe g art that it is not so limited, but is susceptible of various changes and modifications without departing from the spirit thereof.

Having now described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In an air translating device including a motor driven fan unit, a base frame including a vertically-disposed standard member, a tubular fan support member carrying said fan unit and having a portion slidably mounted in telescoping relation with said standard member, said fan support member being adjustable through a range of positions from a low position wherein the top of the fan unit is closely adjacent the top of said standard member and the latter overlaps substantially the entire vertical extent of the fan unit, to a high position wherein only minimum lengths of said members remain in telescoping relation.

2. In an air translating device including a motor driven fan unit, a base comprising a pair of vertically-disposed tubular standard members, a fan mount for carrying said fan unit comprising a pair of tubular portions disposed in telescoping relation with said tubular standard members, respectively, said fan mount being adjustable through a range of positions from a low position wherein the top of the fan unit is closely adjacent the tops of said standard mem: here so that the vertical extent of said fan unit is substantially within the height of said standard members, to a high position wherein only minimum lengths of said standard members and tubular portions remain in telescoping relation, and locking means associated therewith for looking said fan mount in any selected position within said range of positions.

3. In an air translating device including a motor driven fan unit, a base including a vertically-disposed standard member, a tubular fan support member carrying said fan unit and having a portion slidably mounted in telescoping relation with said standard member, said fan support member being adjustable relative to said A standard member through a range of positions from a low position wherein the top of said fan unit is closely adjacent the top of said standard member, to a high position wherein only predetermined minimum lengths of said members remain in telescoping relation, and means for preventing movement of said fan support member beyond said high position comprising a concealed doubled wire anchored in said fan support member and a stop element fixed in said standard member, said stop element being engageable by said wire upon movement of said fan support member to said high position.

4. In an air translating apparatus including a motor driven fan unit and a housing assembly for supporting said fan unit, an adjustable floor frame assembly comprising a base section having a pair of vertically-disposed tubular standard members, a U-shaped tubular frame section carrying said housing assembly and having downwardly-extending portions mounted in telescoping relation with said standard members, respectively, holding means operative to hold said relatively movable telescoping members in an extended position, stationary stop elements secured to each of said tubular standard members, and a flexible wire element extending through said U-shaped tubular section and having looped ends cooperative with said stop elements for determining the uppermost position of the fan unit.

5. In an air translating apparatus including,

a motor driven fan unit and a housing assembly for supporting said fan unit, an adjustable floor frame assembly comprising a base section having a pair of vertically-disposed tubular standard members, a U-shaped tubular frame section carrying said housing assembly and having downwardly-extending portions mounted in telescoping relation with said standard members, respectively, clamping means operative to clamp said relatively movable telescoping members in any desired position, stationary stop elements secured to each of said tubular standard members, and means for limiting upward travel of said frame section including a doubled wire extending through said frame section, said wire being looped about both of said stop elements, the span of said wire being such as to bring the looped portions thereof into engagement with the respective stop elements upon movement of said fan unit to the uppermost position.

GUSTAV H. KOCH.

REFERENCES CITED ifhe following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 873,143 Wirt Dec. 10, 1907 1,782,660 Meyer Nov. 25, 1930 1,972,654 Heath Sept. 4, 1934 2,248,068 Devore et a1. July 8, 1941 2,337,719 Hueglin Dec. 28, 1943 2,344,309 Koch Mar. 14, 1944

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