Window shade roller assembly

Abstract

A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket to help insure proper positioning and operation of the said mechanism.

What we claim is: 
     
       1. A window shade roll assembly comprising in combination: a shade roll;   a first support apparatus organized at a first end of the shade roll, a second support apparatus for supporting rotatably a second end of the shade roll;   an operator system on said first support apparatus including: a mounting plate on said first support apparatus having a pin extending therefrom axially of the shade roll and into the shade roll,   a wheel mounted rotatably about the pin on said first support apparatus and having a face arranged in juxtaposition to the mounting plate,   the wheel having a hub of a diameter smaller than the shade roll and projecting therefrom opposite the face,   means for connecting detachably the hub that is on said first support apparatus to the shade roll,   biasing means connected to the hub for causing frictional contact of the face of the wheel against the mounting plate,   and a wheel turner mechanism; the window shade roll assembly characterized in that all of the elements of said operator system are mounted on the first support apparatus.       
     
     
       2. The window shade roll assembly according to claim 1 characterized further in that the biasing means includes: a spring mounted on the pin inwardly relative to the shade roll and beyond the hub for said biasing of said entire face of the wheel against the mounting plate,   tensioning means mounted on a free end of the pin and organized for controlling tension of the spring.   
     
     
       3. The window shade roll assembly according to claim 1 characterized further in that the wheel turner mechanism includes: the wheel provided with a plurality of circumferentially spaced indentations,   a bead chain having a plurality of beads for seriatim engagement of the indentations as the wheel is rotated.   
     
     
       4. The window shade roll assembly according to claim 1 characterized further in that the means for connecting detachably the hub to the shade roll includes a plurality of projections extending radially from the hub in detachable engagement with the shade roll. 
     
     
       5. A window shade roll assembly comprising in combination: a shade roll;   a first support apparatus organized at a first end of the shade roll, a second support apparatus for supporting rotatably a second end of the shade roll;   an operator system including: a mounting plate having a pin extending therefrom axially of the shade roll,   a wheel mounted rotatably about the pin and having a face arranged in juxtaposition to the mounting plate,   the wheel having a hub of a diameter smaller than the shade roll and projecting therefrom opposite the face,   means for connecting detachably the hub to the shade roll,   biasing means connected to the hub for causing frictional contact of the face of the wheel against the mounting plate,   and a wheel turner mechanism; the window shade roll assembly characterized in that all of the elements of said operator system are mounted on the first support apparatus, the window shade roll assembly characterized further in that       end covers enclose respectively the first and second ends of the shade roll,   each of the end covers provided with a mounting means,   a flexible fascia engagable with both of the mounting means and spanning between the end covers and adapted to cover entirely the window shade roll assembly from one side. .Iadd.   
     
     
       6.  A window shade roll assembly for use with a shade roll having a first and a second end, comprising: a first support apparatus constructed and arranged to be mounted adjacent to the first end of the shade roll;   a second support apparatus constructed and arranged to be mounted adjacent to the second end of the shade roll for rotatably supporting the second end of the shade roll; and,   an operator system mounted on said first support apparatus, said operator system including securing means for removably securing the shade roll to the operator system, said securing means including a mounting plate having a pin extending therefrom axially of and into the shade roll for operatively and detachably engaging the shade roll and the mounting plate, said operator system further including operating means for rotating the shade roll to adjust the height of a shade affixed to the shade roll; said securing means further including a wheel rotatably mounted with respect to the first support apparatus, and in operative engagement with the operating means so that the wheel rotates as the height of the shade is adjusted, said operating means further including a brake in operative engagement with said wheel and which prevents the shade roll from rotating and unwinding the shade which may occur due to the weight of a partially lowered shade;   wherein the assembly is characterized in that all of the elements of said operator system are mounted on said first support apparatus. .Iaddend. .Iadd.7. The window shade roll assembly of claim 6, wherein the brake is an adjustable frictional brake. .Iaddend. .Iadd.8. A window shade roll assembly for use with a shade roll having a first and a second end, comprising:   a first support apparatus constructed and arranged to be mounted adjacent to the first end of the shade roll;   a second support apparatus constructed and arranged to be mounted adjacent to the second end of the shade roll for rotatably supporting the second end of the shade roll; and,   an operator system the elements of which are mounted on one or the other of said support apparatuses, said operator system including securing means for removably securing the shade roll to the operator system, said securing means including a mounting plate having a pin extending therefrom axially of and into the shade roll for operatively and detachably engaging the shade roll and the mounting plate, said operator system further including operating means for rotating the shade roll to adjust the height of a shade affixed to the shade roll; said securing means further including a wheel rotatably mounted with respect to one of said support apparatuses, and in operative engagement with the operating means so that the wheel rotates as the height of the shade is adjusted, said operating means further including a brake in operative engagement with said wheel and which prevents the shade roll from rotating and unwinding the shade which may occur due to the weight of a partially lowered shade;   wherein the assembly is characterized in that all of the elements of said operator system are mounted on one or the other of said support   
     
     
        apparatuses. .Iaddend. .Iadd.9.  The window shade roll assembly of claim 
     
     
        8, wherein the brake is an adjustable friction brake. .Iaddend. .Iadd.10. A window shade roller assembly for use in a shade roll having a first and a second end, comprising: a first support apparatus constructed and arranged to be mounted adjacent to the first end of the shade roll;   a second support apparatus constructed and arranged to be mounted adjacent to the second end of the shade roll for rotatably supporting the second end of the shade roll; and,   an operator system, mounted on one or the other of said support apparatuses and including securing means having a mounting plate with a pin extending axially therefrom and into the shade roll for removably and operatively securing the shade roll to the operator system; said operator system including operating means for rotating the shade roll to adjust the height of a shade affixed to the shade roll; said operator system further including a hub rotatably mounted with respect to one of said support apparatuses and in operative engagement with the shade so that the hub rotates as the height of the shade is adjusted; said operator system still further including a brake in operative engagement with said hub and which prevents the shade roll from rotating and unwinding the shade which may occur due to the weight of a partially lowered shade;   wherein the assembly is characterized in that each of the elements of said operator system are mounted on one or the other of said support   
     
     
        apparatuses. .Iaddend. .Iadd.11.  The window shade roll assembly of claim 10, wherein the brake is an adjustable friction brake. .Iaddend.