US455912A - Ors of one-third to joseph r - Google Patents

Description

' (No Model.) I

M. s. SIMMONS &.0. ANGUS.

VENBTIAN BLIND. N0. 455,912.

Patented July 14,1891.

lllll w awvem cow v j fircaw Sudvwwrwl DUHM ea am UNITED STATES PATENT OFFIC MARCUS S. SIMMONS AND CHARLES ANGUS, OF ALBANY, NEV YORK, ASSIGN- ORS OF ONE-THIRD TO JOSEPH R. NANGLE, OF SAME PLACE.

VENETIAN BLIND.

SPECIFICATION forming part of Letters Patent No. 455,912, dated July 14, 1891.

Application filed August 2'7, 1890, Serial No. 363,207. (No model.)

T aZZ whom it may concern: is a like view of the means employed at the Be it known that we, MARCUS S. SIMMONS other end, and showing also the tube through and CHARLES ANGUS, citizens of the United which the hoisting-cord passes. States, residing at Albany, in the county of Like letters of reference indicatelike parts 5 Albany, State of New York, have invented throughout the several views.

certainnewand useful ImprovementsinVene- Referring now to the details of the drawtian Blinds, of which the followingis a speciings by letter, A designates the head, which fication, reference being had therein to the in this instance is shown as rectangular in accompanying drawings. cross-section, and to which the tapes B are IO This invention relates to certain new and' attached in any suitable manner, and which useful improvements in Venetian blinds, and support the slats C in any desirable manner, more particularly to the means for suspendbeing shown in this instance as supported by ing the same and for raising and lowering or the cross-tapes a, connected to and arranged opening or closing the slats and for changing between each pair of tapes B, the said slats :5 their angle. being provided with apertures 0r slots 1), We have devised means forsuspending the through which the hoistingcords pass. Tohead at the edge or circumference, providing one end of this head we secure the flanged a supporting-bearing which will always be at end piece D, which is provided with a tube the circumference instead of at the center of D, extending beyond the face thereof, as seen 20 the head, thereby causing the point of susin Figs. 1 and 5. Upon the other end of the pension to be always identical and in line head we secure the flanged end piece E, with the center of rotation, and thus avoidwhich has in its upper edge a groove 0. a, ing the tendency to pull the slats open. WVe These pieces may be secured to the head in provide at one end a tube through which We any convenient man neras, for instance, by 5 pass the cord employed for raising or closing screws, as shown.

the slats. This tube passes through the sus F is a support-representing the top casing, pending-hangers and causes the center of the and to which are fixed the hangers G, prefhead to remain fixed and bears no weight. erably of wire, with one end secured in said By our method we avoid the angle heretosupport and then bent into the form of a 3 fore made by going through the head, no matdouble loop d, as seen best in Figs. 2 and 4,

ter what position the head may assume. We and the other end then bent upward and insuspend the head from hangers which have ward horizontally, as shown at e, and bearing an amount of resiliency to cause friction sufupon the under face of the semicircular flange ficient to keep the slats from turning too of the piece upon the head. The loop of the 35- easily when it is desired to regulate them to hanger embraces the tube D at one end and just the amount of light admitted to the a projection at the other end, which may be room. a tube similar to D, or a pin or other pro- Other objects and advantages of the invenvision, as g, as seen in Figs. 2 and 4. It will tion will hereinafter appear, and the novel be seen that by this construction the bearing 0 40 features thereof will be particularly pointed is always at the circumference of the end out in the appended claims. pieces and there is no tendency on the part The invention is clearly illustrated in the of the weight to open the blind. The tubes accompanying drawings, which, with the letor the pin at the ends of the head are not reters of reference marked thereon, form a part quired to sustain any weight. 45 of this specification, and in which in order to raise the blind, we provide the Figure l is a front view showing a portion cord or ropes H and H, or a single rope, the of a blind with portions broken away. Fig. ends affixed to the bottom slat of the blind 2 is an end view of the same. Fig. 3 is a and passed through the slots in the slats, View looking at the opposite end. Fig. 4 is preferably between the tapes B, where they 10 50 an enlarged perspective detail showing the are hidden from view, and the two cords, or suspension means employed at one end. ,Fig. the two portions of one cord, after passing through suitable guides h on the under side of the head and through a longitudinal channel 1 made therefor in the under side of the head, pass through the tube D and extend to Within convenient reach from the floor.

In order to tilt or change the inclination of the slats when desired, we provide the cord I, the ends of which are passed in opposite directions through the groove 0 of the end piece E and attached thereto or to opposite sides of the head A upon the under side thereof, so that by pulling upon one strand or the other of said cord the head is moved on the hangers more or less out of a horizontal plane, as indicated by dotted lines in Fig. 2 and as will be readily understood.

The end pieces are' provided with inwardlyextending lips or clips 9', as seen best in Fig. 4, which serves to prevent the head turning too far off the bearings.

We sometimes provide a sheave d, as seen best in Fig. 5, at the end of the tube, and over which the hoisting-cord passes, to facilitate the raising of the blind and lessen the friction at this point. p

The hangers have a sufficient amount of spring to cause enough friction to prevent the slats from turning too easily.

It will be observed that there is frictional contact of the hangers G with the pins g, and that there is also sufficient friction created at e to prevent the bar A from falling suddenly to one side, so as to thus throw the preponderance of the weight to one side. We are thus enabled to secure neutral equilibrium.

Various modifications in details may be resorted to without departing from the spirit of or detracting from the merits of the invention.

What we claim as new is 1. In a Venetian blind, a head supporting the slats, combined with plates onthe ends of the head and hangers bearing at all times on the periphery of the plates and supporting the blinds, with the point of suspension at all times in line with the line of rotation, substantially as specified.

2. In a Venetian blind, a head carrying the slats, combined with end plates on the ends of the head, and hangers, each having a portion e substantially at a right angle to the perpendicular and bearing against the periphery of and supporting the end plates and having portions d, on which the plates move. in the arc of a circle, substantially as described.

3. In a Venetian blind, the head carrying the slats, combined With end plates on the ends of the head and having portions projecting from their centers, and hangers embracing said projections and each having a a portion e substantially at a right angle to the perpendicular and bearing upon the periphery of the plates, as and for the purpose specified.

l. As an improved article of manufacture, a substantially semicircular end plate, for the purpose described, formed with acorrespondingly-shaped flange and a centrallyprojecting tube and inwardlyprojecting stops, as set forth.

5. A Venetian blind, combined with. a hanger having at all times a bearing thereon at a point remote from the center on which the head of the blind turns and at all times in line with the center of rotation, as set forth.

6. The combination, with the head and the slats supported thereon by flexible connection, with the point of suspension at all times in line with the center of rotation, of the hoisting-cords passed through guides and a groove on the head and through a tube at one end of said head, as set forth.

7. The combination, with the head and the folding slats suspended therefrom, of the end plate on the head formed with a semicircular peripheral groove and a flange at right angles thereto, the cord passed in opposite directions over said groove, with its ends attached to opposite sides of said plate, and the hangers having each a lateral portion engaging the under side of the flanges and supporting the same, with the point of suspension at all times in line with the center of rotation, as set forth. I

8. A hanger for Venetian blinds, formed of wire with a double loop to embrace a projection on the blind-head and having one arm bent inward to bear upon a peripheral flange upon said head, substantially as described.

9. A Venetian blind having a head provided with endplates having circular flanges and central projections, combined with a wire hanger having a loop to embrace said projection, and an arm bent inward to bear upon the under sideof said flange, substantially as and for the purpose specified.

In testimony whereof we affix our signatures in presence of two witnesses.

MARCUS S. SIMMONS. CHARLES ANGUS.

Witnesses:

Trios. H. HAM, JAMEs .T. PHELAN.

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