US 708468 A
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Description (OCR text may contain errors)
No. 708,468. Patented Sept. 2, |902.
J. H. DONALDSON.
WINDOW SHADE HOLDIEIL (Application ledAug. 5, 1901.) (No Model.)
[Ime/don the tube A.
UNITED j lJAMES H. DONALDSON, IOF CHICAGO, ILLINOIS.
SPECIFICATION-forming part of Letters Patent No. 708,468, dated September 2, 1902.
l `Application filed August 5,1901. SerialNo. 70,891. (No model.)
To all whoiwzltmay concern: A
Beit known that I, JAMES'H. DONALDSON, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois,have invented a new and useful Improvement in Window-Shade Holders, of which the following is a specification.
My invention relates to that class of shadeholders which are attached to the stick at the lower marginal edge of the shade to guide it in its adjustment Within a groove in the window-stop and is thrust outwardly by a spring to hold it ingany "desired position therein.
The object ofmy invention is to provide a shade-holder of the class named which may` be readily adapted towindoW-openings of various Widths and to adj ust the spring in such manner that longitudinal adjustment to suit the Width of the Window will not change the pressure of the spring against the holder and also to provide means for readily removing the stick and holders from engagement with the groove in the Window-stop without varying the various adjustments, as Will hereinafter appear. g
In the accompanying drawings, which illustrate my invention, Figure l is a front elevation of my improved shade-fixture in position Within the Window-frame. Fig. 2 is an enlarged longitudinal section of one end of the stick and'holder attached thereto. Fig. 3 `is a perspective view of the holder detached from the shade-stick.' Fig. 4 is a perspective view of the end cap of the casing and of the expansion-rod passing through the slot therein with its nuts and washers on. Fig. 5 is an end elevation of the casing which engages the holder.
As shown in the drawings, the stick A, to which the curtain is attached, in this instance is a tube having an internal screw-thread a` at its end to receive and hold the casing B, which comprises a cylindric sleeve provided with aV peripheral flange b at its extremity and is screw-threaded adjacent to said an ge, as shown at h2, to fit the thread in the end of The inner end b3 of said casing is reduced to closely fit in the outer end of a cylindrical sleeve B. The inner end of said sleeve B is threaded, as shown at b4, to re- "ceive an apertured end cap B2, the diameter of which is approximately equal to that of the casing B. An extension-rod C passes through tension-rod C is threaded from its outer end inwardly, as indicated at C, and an adjustable bar D is provided with an axial longitudinal threaded aperture complemental therewith and adapted to receive the same and to afford means for adjustment. The inner end of the extension-rod is flat to pass through a slot h5 in the cap B2,and to hold the same from rotation in the cap a shoulder C2 is provided, against which abuts a WasherE, which bears against the inner face of the cap B2 and receives the end pressure of the inner end of a coiled `spring F, which encircles the rod C and fits Within the casing B. The pressure ofthe outer end of said spring is received by a Washer E', which bears against a nut E2, engaged upon the thread C of the extensionrod and by means of which the initial pressure of the spring may be set to a nice adjustment. The thrust upon the adjusting-barD and the degree of frictional contact of the shoe I-I, journaled upon the outer end of said bar Within the groove 7o in the Window-stops K, and the initial pressure of the spring when thus adjusted are constant so long as the nut E2 remains in the same position upon the rod.
The shoe H has a leather bearing-block lt inserted in a recess therein in a Well-known manner, and the outer end of the adjustingproximately at a tangent with the aperture h2, engages in a circumferential groove d' in the journal d of the adj usting-bar and serves to hold the journal Within the bore and allows it to turn freely therein. The shank of the adj usting-bar D is square, as shown at d2, and passes through a square aperture h6 in the axis of the casing B, though obviously any angular form in cross-section will suffice. A milled disk cl3 is rigidly secured on said shank, by means of which it may be readily turned upon the threaded end ot' the eXtension-bar. The shank may thus be drawn out of the casing B to admit ot' its being screwed inwardly and outwardly upon the adjusting-bar to adapt the holder to suit Windows of different widths.
The operation is as follows: The outer en d ICO of the spring F is pressed inwardly when the shoe is to be disengaged from the groove in the window-stop to admit of the removal of either the shade entire or the lower end thereof from the window-frame, as when the winl ers and slotted casing-cap thereon exerts its pressure upon both the bearing-points--that is to say,upon the nut and the cap -in opposite directions and serves to force the extensionrod and shoe outwardly against the bottom of the groove in the window-frame. It also draws the squared locking portion of the eX- tension-bar inwardly and serves both as a friction-brake and lock.
Obviously details of construction may be varied without departing from the principle of my invention.
I claim as my invention and desire to secure by Letters Patentl. In acurtain-holder,the combination with a tubular stick of a non-rotative extensionrod therein, means for holding the extensionrod yieldingly in an adj usted position, a shoe, an adjustable adjusting-bar forming the connection between the shoe and the extensionrod and adapted normally to be engaged in the end of the stick, but withdrawable therefrom for purposes of adjustment.
2. In acurtain-holder,the combination with a stick having a tubular end, of a non-rotative longitudinally movable extension rod therein, positive bearings within the end of the stick adjacent to the ends of the eXtension-rod, a spring engaging the extension-rod between said bearings and adapted to return the rod to its adj usted position when moved outwardly or inwardly of the stick, a shoe, an adjusting-bar relatively engaged on the shoe and having screw-threaded engagement with the extension-rod, and held from rotation by the end of the stick but withdrawable therefrom for purposes of adjustment.
3. In combination, a curtain-stick having a tubular end, of an extension-rod movablelongitudinally in said stick and provided at its inner end with a shoulder and at its outer end with a nut and adapted to slide through iixed bearings within the stick, a spring secured on the extension-rod between said bearings and acting to return the extension-rod to its adjusted position when moved outwardly or inwardly therefrom, a shoe, an angular adjusting-bar rotatively engaged thereon and engaging in a complemental aperture at the end of the stick and having screw-threaded engagement with the extension-rod, said adjusting-bar when withdrawn from the end of the stick being adjustable longitudinally of the rod.
4. In a curtain-holder the combination with a tubular stick of a casing therein, a non-rotative extension-rod therein, a spring on said extension-rod, a shoe, an adjustable adjusting-bar forming the connection between the shoe and the extension-rod and adapted to be engaged in and withdrawable from the outer end of the casing.
5. In a curtain-holder the combination with a tubular stick of a casing secured in the end thereof, a non-rotative extension-rod adapted for longitudinal movement within the casing, a friction-shoe adjustably connected therewith and movable longitudinally of the stick, stops adapted to limit the movement of the extension-rod and a spring engaged on the extension-rod and adapted to force the said rod outwardly as a brake.
6. In a curtain-holder the combination with a tubular stick adapted for attachment to a curtain of a casing, an extension-rod longitudinally movable therein, a spring within the casing controlling the movements of the extension-rod and acting to force the same outwardly therefrom, a shoe, a bar forming an adjustable connection between the shoe and extension-rod and a shank on said bar adapted to engage in or be drawn from a complemental aperture in the end of the casing.
7. In acurtain-holder the combination with a tubular stick of a casing, an end-threaded non rotative extension rod longitudinally movable Within the casing, a spiral spring adapted to the rod, a nut and washer adjustable upon the rod and adapted to receive the pressure of the outer end of the spring and to permit adjustment of the tension of the same, a shoe, an adj usting-bar rotatively attached thereto and provided with a threaded aperture to receive the end of the extension-rod and a milled disk on said adjusting-bar.
8. In a curtain-holder the combination with a tubular stick of a tubular casing therein, an end-threaded non-rotative extension-rod longitudinally movable in the stick, a slotted cap engaged on the inner end of the casing through which the inner flattened end of the extension-rod passes, a washer upon the rod adapted to bear against the cap, a nut and washer adjustable upon the rod, a spring upon the rod acting to press against the washer, an adj usting-bar adj ustably secured upon the outer end of the extension-rod and a shoe carried upon the outer end of the adjusting-bar, substantially as described.
9. In a curtain-holder the combination with a tubular stick of a casing therein, an extension-rod, and a spring secured in said casing, an adj Listing-bar adj ustably secured upon the outer end of the extension-rod and having a journal at the outer end thereof provided with an annular groove therein, a shoe having a hub to lit the journal and a tangential pin IOO IIO
passing through the hub into and across the l tension-rod and normally engaged in and xo groove in the journal of the extension-bar, heid from rotation by the stick and adapted substantially as described. to be Withdrawn from the stick against the 10. The combination with a tubular stick tension of the spring for purposes of adjust- 5 of a spring-controlled,non-rotative extensonment.
rod therein, bearings in the stick acting to limit the movements of said rod, a shoe, and
an adjusting-bar engaged thereon and hav- JAMES H. DONALDSON. Witnesses:
M. E. NEWELL,
ing screw-threaded engagement with the exl CABLE H. SCHAFER.