US2021106A - Window shade - Google Patents
Window shade Download PDFInfo
- Publication number
- US2021106A US2021106A US758289A US75828934A US2021106A US 2021106 A US2021106 A US 2021106A US 758289 A US758289 A US 758289A US 75828934 A US75828934 A US 75828934A US 2021106 A US2021106 A US 2021106A
- Authority
- US
- United States
- Prior art keywords
- shade
- paper
- roller
- window
- window shade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
Definitions
- This invention relates to improvements in winrotative trunnion fixture i i mounted against rodow shades, particularly that type of shade which tation in the other bracket II and carrying a is operated on a roller. spring and suitable ratchet mechanism (not The present improvement is primarily conshown) in conjunction with the roller, whereby 5 cerned with and directed to paper window shades. as the shade is pul d down the p ng is Wound 5 It is natural of course that paper is not as strong up and return tension placed thereon for causing as cloth and its edges are more apt to tear. the shade to automatically raise when the ratchet Accordingly, it is an object of the present invenis released.
- the improvement may be advantageously apwhich incorporates an edge construction which plied to a crepe paper window shade of the charl0 considerably reinforces and strengthens the acter now in commercial use.
- the crepe edges whereby there is less opportunity for tearpaper used in the fabrication of these shades has ing and splitting, and whereby there is less tendits grain d sp in Darticlllar manner. at ency for the shade to stretch, the occurrence of transversely or at right angles with the roller as which would cause it to buckle and hang undisclosed in this applicants Patent No. 1,807,533, 15 evenly.
- Figure l is a general view showing the imexerts pressure thereon for the purpose of low- 20 proved window shade mounted in relation to a ering the shade.
- Figure 2 is a fragmentary perspective view of side edges are reinforced by an indentation or the shade and roller, detailing the edge construcsingle corrugation I 6 immediately adjacent to the tion of this invention. edge.
- a window shade and provides a rigid element to which shade, comprising a length of paper having at the manipulating means may be efiiciently atone end thereof a manipulating means and havtached. ing its other end adapted to be attached to a
- the conventional manipulating means is disroller, said length of paper having a corrugation 35 closed consisting of a cord 9 attached centrally extending along each of its longitudinal side of the lower edge of the shade through the edges for increased strength and stiffness.
- a window its lower end.
- the shade is attached to the shade, comprising,alength of crepe paper includroller 5, the roller being mounted in brackets I I ing a manipulating means at one end and having 40 and I2 fixed to the upper part of the window its other end adapted to be attached to a roller, frame I3.
- said length of paper having each of its longitu-
- the roller includes trunnions I4 and I5 mountdinal side edge margins strengthened by a cored in the respective brackets.
- the shade roller rugation extending along the edge immediately disclosed may be of any conventional character, adjacent thereto. 45
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Description
Nov. 12, 193 5. s. J JOHNSON WINDOW SHADE Filed Dec. 19, 1934 ATTO RN EY.1
Patented Nov. 12, 1935 2,021,106
UNITED STATES PATENT OFFICE WINDOW SHADE Samuel J. Johnson, Cincinnati, Ohio, assignor to Clopay Corporation, Cincinnati, Ohio, a corporation of Maryland Application December 19, 1934, Serial No. 758,289
2 Claims. (Cl. 156-10) This invention relates to improvements in winrotative trunnion fixture i i mounted against rodow shades, particularly that type of shade which tation in the other bracket II and carrying a is operated on a roller. spring and suitable ratchet mechanism (not The present improvement is primarily conshown) in conjunction with the roller, whereby 5 cerned with and directed to paper window shades. as the shade is pul d down the p ng is Wound 5 It is natural of course that paper is not as strong up and return tension placed thereon for causing as cloth and its edges are more apt to tear. the shade to automatically raise when the ratchet Accordingly, it is an object of the present invenis released. tion to provide an improved paper window shade The improvement may be advantageously apwhich incorporates an edge construction which plied to a crepe paper window shade of the charl0 considerably reinforces and strengthens the acter now in commercial use. Although the crepe edges, whereby there is less opportunity for tearpaper used in the fabrication of these shades has ing and splitting, and whereby there is less tendits grain d sp in Darticlllar manner. at ency for the shade to stretch, the occurrence of transversely or at right angles with the roller as which would cause it to buckle and hang undisclosed in this applicants Patent No. 1,807,533, 15 evenly. issued May 26, 1 931, and minute creasing or em- Other objects and further advantages will be bossing is applied to the paper transversely to more fully apparent from a description of the the grain, there still may be a tendency for the accompanying drawing, in which: edge of the paper to curl or to split as the user Figure l is a general view showing the imexerts pressure thereon for the purpose of low- 20 proved window shade mounted in relation to a ering the shade. To lessen the possibility of window. tearing occurring at the edges, the longitudinal Figure 2 is a fragmentary perspective view of side edges are reinforced by an indentation or the shade and roller, detailing the edge construcsingle corrugation I 6 immediately adjacent to the tion of this invention. edge. It has been found that these indentations 25 Referring to the drawing, the roller is indiapplied along the edges as they are tend to lessen cated at 5 and the sheet of paper constituting buckling, curling and tearing, also having the the shade at 6. The length of paper has a hem eifect of stiffening the edge and in this way tendformed at its lower end, in which hem a stiffening to keep it straight.
stiffening cross piece and carrying a ring I0 at 2. As a new article of manufacture, a window its lower end. The shade is attached to the shade, comprising,alength of crepe paper includroller 5, the roller being mounted in brackets I I ing a manipulating means at one end and having 40 and I2 fixed to the upper part of the window its other end adapted to be attached to a roller, frame I3. said length of paper having each of its longitu- The roller includes trunnions I4 and I5 mountdinal side edge margins strengthened by a cored in the respective brackets. The shade roller rugation extending along the edge immediately disclosed may be of any conventional character, adjacent thereto. 45
and therefore includes a rotating trunnion I5 SAMUEL J. JOHNSON. rotatably fixed in the bracket I2 and a non
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US758289A US2021106A (en) | 1934-12-19 | 1934-12-19 | Window shade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US758289A US2021106A (en) | 1934-12-19 | 1934-12-19 | Window shade |
Publications (1)
Publication Number | Publication Date |
---|---|
US2021106A true US2021106A (en) | 1935-11-12 |
Family
ID=25051206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US758289A Expired - Lifetime US2021106A (en) | 1934-12-19 | 1934-12-19 | Window shade |
Country Status (1)
Country | Link |
---|---|
US (1) | US2021106A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2598173A (en) * | 1947-06-28 | 1952-05-27 | Ferdinand W Humphner | Calendered crinkled paper and process of manufacture |
US2669258A (en) * | 1948-09-14 | 1954-02-16 | American Nat Bag & Burlap Co I | Composite packaging or wrapping material and manufacture thereof |
US4082271A (en) * | 1976-04-29 | 1978-04-04 | Arthur Lee Martin | Tennis practice and teaching rebounder |
US11957261B2 (en) | 2017-04-28 | 2024-04-16 | Lutron Technology Company Llc | Window treatment mounting bracket |
-
1934
- 1934-12-19 US US758289A patent/US2021106A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2598173A (en) * | 1947-06-28 | 1952-05-27 | Ferdinand W Humphner | Calendered crinkled paper and process of manufacture |
US2669258A (en) * | 1948-09-14 | 1954-02-16 | American Nat Bag & Burlap Co I | Composite packaging or wrapping material and manufacture thereof |
US4082271A (en) * | 1976-04-29 | 1978-04-04 | Arthur Lee Martin | Tennis practice and teaching rebounder |
US11957261B2 (en) | 2017-04-28 | 2024-04-16 | Lutron Technology Company Llc | Window treatment mounting bracket |
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