US2309076A - Tubular curtain stretching device - Google Patents

Description

Jan. 19, 1943. V E. R. MQRANDO 2,309,076

TUBULAR CURTAIN STRETCHING DEVICE Filed Dec. 8, 1941 2 Sheets-Sheet l I v 1 -5 I "a: llll 1 PNVENTOR. EM/JNLJEL 7?. MQRFJNDC Hy'wRN Y Jan. 19, 1943.

E. R. MORANDO TUBULAR CURTAIN STRETCHING DEVICE Filed Dec. 8, 1941' 2 she ts-sheet 2 2a 34IM'ENT0R. EMHNL/EL. R. MDEHNUU HTTORNBY Patented Jan. 19, 1943 UNITED STATES PATENT OFFICE TUBULAR CURTAIN STRETCHING DEVICE Emanuel R. Mcrando, New York, N. Y.

Application December 8, 1941, Serial No. 422,110

4 Claims.

This invention relates to an improvement in curtain stretchers and has particular reference to those made from metallic tubing.

One of the objects of this invention, is the combination of assembled constitutent elements of tubular sections, that are so arranged as to assure improved results in light; weight stretchers, which may be manufactured at a reasonable cost, and which may retain its efiicient Working qualities for a relatively long period of time. Heretofore, curtainstretchers have been constructed of separated members which were set up into the combined frame, in which members are taken apart after use and. packed in a certain manner, until again set up and required for use. Therefore, this invention provides a device by which the building and setting up assembly of separate members are eliminated.

. Another object of this present invention, is the telescopically movable assembly, in which the tubular members are closed by telescoping into each other when not in use, and drawn out into their extended curtain stretching positions, thus providing a device in which time is saved by instantly drawing out coacting curtain stretching members.

Another object of this invention, isa folding easel or stand, said easel being fixedly connected as an integral part of thecurtain stretcher.

With the above indicated objects and advantages in view, and others which will hereinafter appear, this invention resides in certain novel constructions and arrangements of parts, the essential features of which are herein clearly described, and fully illustrated in the accompanying drawings, in which:

Figure 1 is an elevational view, partly fragmental, of a curtain stretcher constructed in accordance withthe present invention.

Figure 2 is a fragmentary view, partly like that of Figure 1 and broken away in places to show interior parts.

Figure 3 is a view on the same principle as Figure 2, but showing top or bottom tubular sections. V

Figure .4 is a fragmentary sectional elevation of end tubular sections of Figure 1.

Figure 5 is a fragmentary elevation of the end or side tubular sections, partly in sections.

Figure Sis a diagrammatic fragmentary view showing positions of parts when the tubular sectionsare telescopically closed or folded.

.Figure '7 is a cross sectional view on the line 1 of Figure 1.

Figure 7a is a similar view with the hooks locked in alignment, showing the tubular sections, as when closed or inwardly folded.

Figure 8 is a cross section on line 8'-8 of Figure 1.

Figure'9 is a fragmentary view in which end easel parts, as removed from Figure -1 are shown.

Figur 10 is a partial end view, showing easel extended.

Figure 11 is an enlarged exploded view of the curtain hooks.

Figures 12 and 1211 show locking means forthe telescoping sections.

As shown in said drawings, the telescopically movable metal frame members include top tubular sections H, I2, I3; bottom tubular sections 2|, 22, 23; end tubular sections I4, I 5, and opposite tubular end sections 24, 25.

The section II is rigid, at its left hand end, by a connecting collar I6 with the tubular section It, and the tubular section 2| is similarly rigid, by a collar H with the tubular section l5.

The length of each tubular section may be according to requirements, for example, the stretching length is about threev feet more or less, having provision for a plurality of hooks 21, 28 and 29 on the inner faces of the combined top sections, with corresponding hooks on the'bottom sections, and a plurality of hooks 30 and.3l on each of the combined end sections, these hooks being spaced apart at about one-half of an inch, more or less.

At one end of the members I 3 and 23, as seen in Figure 1, for example, these members find bearings in collars I8 and L9 in the respective tubular sections 24, 25, said members being turnable about the axis of the combined longitudinal tubular sections, and the tubular sections [2 and 22 are also turnable about said axis.

The aforesaid hooks, which are a feature of the invention, in the organization thereof (as differing from former and present used pins) are metallically secured, as by riveting or welding at their outer ends in metal strips 20, each of which are sufiiciently deep enough for the attachments of th hooks, and are of a specific width so as to cooperate with engaging slots of the telescopic tubes, the strips 20 being also metallically attached to their respective tubular sections.

In order that the attaching hooks for the curtain marginal edges 0 may be approximately aligned, for receiving such edges, the hooks 21, 28, 29, 30, 3i, on their respective tubes are of different lengths, and the specific structures may be identified on the drawing by this detail, namely: On the sections ll, 2|, with their strips 20,

are the hooks 21, on the section I2, 22 are the hooks 28, on the sections I3, 23, are the hooks 29, on the sections I4, 24 are the hooks 30, and on the sections I5, 25 are the hooks 3|.

In the tubular sections H, 2I are slots 32 of suitable breadth, one slot in each section, and these slots extend from the right hand end to within a short distance, about two inches, of the left hand end. Generally similar slots 33, although narrower, are formed in the sections I2, 22 and when it is desired to shorten or fold the frame, the sections I2, 22 are turned, so as to remove their hooks 28 from the general linear positions and then these sections I2, 22 are telescopically moved into the tubular sections of larger diameter, the strip 28, with their hooks being in the slots 32, and there being further spaces in said slots to receive the strips 26, also with their hooks 29, of the sections I3, 23 when it is desired to entirely telescope the frame.

In the' sections I4, 24 are slots 34 which receive the strips 20 of the sections I4, I5, 24 and 25, and it is noted (see Figures 7, 8 and 1) that the hooks 28, 29 and 30 are close to the boundaries of the slots 32 33 and 34. Owing to the positions of these slots, the hooks and carriers 20 slide directly into the slots, and, although it may therefore seem that the hooks of the upper and lower end members are not truly aligned, but only substantially so, in the extended positions, it may be seen by referring to Figures '7 and 3 that the respective hooks may be truly aligned, in the curtain engaging positions, by suitable disposition of said hooks. The drawings are to some extent exaggerated, for clarity.

Turning movement of the tubular sections concerned, and the other or retaining functions of these and other tubular sections, all as shown, is secured by the respective diiferent diameters, and by features which include collar like portions 38 rigid with the top tube II, and these and other numerically identified features on the bottom tubular sections 2|, 22, 23 are structurally the same as on the top sections. The characters of reference are therefore applicable to both, in each case.

On the tubular section I2 is a fixed internal collar 39, and on the tubular sections I2 and I3 are outwardly facing collars 40, M, respectively,

the intermediate and free tubular sections I2 and 22 are secured to the end sections II, I2, and I3, 23 by any desired means, as by the hooks 2'5, 28 and 29 when aligned in between each other.

The bores of the outer ends of the vertical tubes may be closed by caps or plugs, not shown,

and chromium finish is suitable for the various sections, while the various hooks may be of any rust proof metal or material. Graduations, or inch markings, not shown, may be used in appropriate places, on the relatively movable parts, so that suitable measurements, when the curtain dimensions are known, may be selected or determined beforehand.

Thumb nuts 43, one on each side of each upper end tube, and each nut also alike, serve to hold the end sections in their selected or expanded or contracted positions.

On the top vertical tube or tubular members I4, 24 collars 5| cooperate with holding collars 52, on the lower tube or tubular members, as I5. The bearings for the ends of the tubes I3, 23 are similar, and these include in the member 25 (Fig. 5) a fixture of the collar I9, in which a neck 53 of the tube 23 revolves, said neck having a retaining collar, as shown.

The setting is first preferably obtained, and then the margins of the curtains attached to the hooks, the longitudinal opposite margins being attached first, according to one operative method.

The easel or support for retaining the curtain stretching frame in erect position, includes like assembly on each end, having an attachment, as in a preferred embodiment, now illustrated on opposite back and front sides of the top, end members. Said assembly and attachment viewing Figures 9 and 10, comprise an angle 44, being permanently attached at at one end of the top tube section, as I4, and a cooperating angle 45, which is metallically attached by one of its flanges to a base tube or any other suitable member 41.

At each end are supporting attachments, comprising the angle bars 44 and 46, having a pivotal connection 48, and a releasable bracket rod connection 49 with a central locking hinge 50 which is effective to lock the tube 4'! in any desired drying position, as shown clearly in Figure 10. The lock rod 49 is of well known construction, having terminal pivots as shown on the connected members.

Figures 12 and 12a show locking means for the extended telescoping sections other than by the hooks, such as by the hooks 3| slidable into the slots 60, as shown in Figure 12, or by the pin 6I adaptable to engage the holes suitable spaced, as shown in Figure 12a.

While I have described for the sake of clearness, and in order to disclose this invention so that the same may be readily understood in general terms and illustrations, I desire it to be understood that this invention is not limited to the specific form herein described, but may be altered in other ways that may improve this invention, providing same comes within the scope of the following appended claims.

What I claim as new and desire to secure by Letters Patent of the United States, is as follows:

1. A curtain stretcher, comprising a rectangular frame having tubular end sections, tubular telescopically engaged longitudinally disposed sections cooperating in attached relation with the end sections, the longitudinal tubular sections having a tubular member of large diameter fixed at one of its respective ends to end sections, the longitudinal tubular sections having movable tubular members a first movable tubular memher on each opposite side being engaged in the sections of large diameter, second members of the movable tubes having ends journalled in the second tubular member, said second tubular members having their other ends journalled in the opposite end frame sections, said relatively large sections and said first sections having longitudinal slots therein, said longitudinal sections having on their inner face books, the latter being of different length on each tube section, said hooks being aligned with said slots, whereby as from an erect or extended position, the first and second revolvable tubular members may be partly turned to align or disengage the hook shanks with each other, so that said frame sections may then be longitudinally extended for the curtain stretching operation, or moved inwardly for their closed telescoped positions when not in use.

2. In a curtain stretching device of the char acter described, comprising a rectangular frame having tubular telescoping sections, said tubular sections having hooks on the inner portion of said frame, the larger telescoping tubular sections having a slot about the full length, whereby the smaller size tubular sections with their hooks may be slidable within the larger size tubular sections, and means to suitably lock said tubular sections in their adjusted and extended positions for the stretching of a curtain secured onto said hooks therewith.

3. In a curtain stretching device of the character described, comprising a rectangular frame having tubular end sections, tubular telescopically engaged longitudinally disposed sections 00- operating in attached relation with the end sections, the longitudinal tubular sections having a tubular member of larger diameter fixed at one of its respective ends to the end sections, the 1ongitudinal tubular sections having movable tubular members, a firstmovable tubular member on each opposite side being engaged in the sections of the larger diameter, second movable tubular members having their ends joumaled in the opposite end frame sections, said relative larger size sections and said first sections having longitudinal slots therein, said longitudinal sections having hooks on the inner face thereof, said hooks being of difierent lengths on each of said sections, said hooks and their shank portions being aligned with said slots, whereby as from an erect or extended position, the first and second movable members may be partly turned to align or disengage the shank portions of hooks with each other, so that said frame sections may then be longitudinally extended for the curtain stretching operation, or moved inwardly for their closed telescoped position when not in use.

4. In a stretching device of the character described, comprising end tubular sections telescopically engaged, relatively movable tubular sections connecting the end sections, the larger size tubular sections having longitudinal slots therein extending from the free ends thereof, said sections having hooks on the inner face and adjacent said slots, the smaller end tubular sections having only the hooks thereon, said hooks of the smaller size tubular members adapted to have their shanks engage and be aligned in said slots, means to secure said sections in their telescoped and extended positions, whereby said hooks may stretch any suitable curtain or the like.

EMANUEL R. MORANDO.

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