US2493186A

US2493186A - Venetian blind

Info

Publication number: US2493186A
Application number: US648590A
Authority: US
Inventors: Delgaudio Eugene
Original assignee: Individual
Current assignee: Individual
Priority date: 1946-02-19
Filing date: 1946-02-19
Publication date: 1950-01-03
Anticipated expiration: 1967-01-03

Description

Jan. 3, 1950 E. DELGAUDIO 2,493,186

VENETIAN BLIND Filed Feb. 19, 1946 1 2 Sheets-Sheet l Fig.1

I N VEN TOR.

fuss/v5 D54 GAuo/a ATZOA ZVEY Jan. 3, 1950 E. DELGAUDIO 2,493,186

VENETIAN BLIND Filed Feb. 19, 1946 2 Sheets-Sheet 2 8 I nvmvrox. 1 213 4 Fuss/vs D51. GnuD/o (wag;

ATTORNEY Patented Jan. 3, 1950 VENETIAN BLIND E'nxenerlle saud rookl N s. Applicatignfebruaryli), 1946, Serial No. 648,590

zfilaimsi. (01.7160-168.)

The present invention relates" to Venetian blinds.

The primary objectof thepresent invention is to provide Venetian blinds withslats which are readily removable from the tapes, this being accomplished without weakening of the slats.- Further, in accordance with the present invention the Venetian blinds are provided with-improved means for raising and lowering-the blinds.

The above and other objects, features and advantages of this invention" will-"befully understood from the following description considered in connection with the accompanying drawings.

In the drawings:

Fig. 1 is a front perspective view of "a-Venetian blind embodying the present --invention;

Fig. 2 is a top plan view, on a larger scale, of part of the Venetian blit el oi this invention;

Fig. 3 is a sectional view on the line 3-3 of Fig. 2;

Fig. 4 is a sectional view on;the...lin.e-4-=-.4 10f Fig. 3;

Fig. 5 is a view of an end portion of a slat of modifiedv form.

Referring now. to the -drawingssin detail; the Venetian blind I 0 of. the. present :invention comprises the head rail..l2,. the slat-tilting rail: I 4, the slats l6, thebcttomraii: l8; and theusual laddered tapes .20... Also, as usual; the Venetian blind l0 includesalmechanism 22 rfor tilting the rail I4, said mechanismbeingeoperated by the cord 24..

In accordance with .thepresent invention; the cords for raisingand loweringmtheislats l6, pursuant to theraisingvand loweringeof thexbott'om rail l8, do not extend through holes in the slats, and for this reason the slats can be easily removed from the laddered tapes 20 for cleaning or for other purposes and can be readily reinserted in position, without removing the cords. As here shown, the slats 16 are provided with recesses 26 in their opposite ends, and a single length of cord 28 is arranged in relation to the slats at the opposite ends thereof in the recesses 26 so that the slats can be readily removed from the laddered tapes 2!) and from engagement with said cord without requiring unfastening of the cord. from the lower rail l8 or from any other part of the blind.

As shown in the drawings, one end of the cord is knotted or otherwise attached to the bottom rail I 8 at one end thereof as indicated at 30 and the opposite end of the cord is similarly fastened at the opposite end of rail l8 as indicated at 32. The cord extends upwardly from the first men- 2 tioned end-of rail l8; acrosstheeadjacent ends of the slats, to anclthrough-an-opening 34iz-in-the headrail l2, and'passes over: atguide pulley -dfilongitudinally of said head' rail to; a fixture...s8;

. indicated in Fig. 1 and illustrated infurther des tail in Figs. 2 to 4. The cord passes over the guide pulley or roller 40' mounted in--saidfixture, islooped as indicated at 42 and passes -over a guide roller or pulley 44 "and then-longitudinally to and over a guide pulley 46, passing downwardly fromsaid guide pulley- 46--throughan opening 48 in the head rail, and 'from the-latter-across the ends ofthe slats to thepeint-32 at which-the cord is fastened tothe bottom rail 1& Itwill Joe-noted that the cord- -28;extends from the looped portion 42 thereof in opposite directions oven-theguide rollers 40 and- 44; longitudinally-of the head rail I2 in the groove 52 -thereof -to points neartheopposite ends, respectively, of---the,:blind sorthat the vertically extending portions 28a "and 28b ot the cord 28 are disposed at theopposite ends-,respectively, of the slats and are-thus disposed-outward ly of the laddered tapesZD. The-provision-of;the end recesses in the -slatsis-preferred, but 'it-is within the scopeof the present invention-to omit the recesses since the portions -28a and 28b of the slat raising cord can-be disposed adjacent-to-the opposite ends, respectively, of;-'the slats.- Thus the slats can be devoid of --openings betweenthe opposite ends of tl-ieslats and-can also-be devoid of recesses in the ends ofthe slats. Also'it-will; be understood that the recesses 26 when provided in accordance with the=preferred embodiment ,of the invention, can be of various forms; Thus, for example, as illustrated in'Figr5the recesses in the end of the slat indicated at l6a can be provided with a constricted opening 54 to hold the cord releasably in said recess or any other suitably shaped recess can be provided as desired.

Referring now more particularly to the fixture 38 in which the guide rollers 44 are mounted it will be observed that said fixture is fastened to the bracket 56 by which one end of the slat tilting rail I 4 is pivotally mounted in a well understood manner, said bracket being provided as usual with a slot 58 leading to a bearing portion 60 for the bearing pin of rail l4. Fixture 38 includes the lateral spaced sides 62 in which the

pins

64 and 66 for the pulleys or

rollers

40 and 44, respectively, are secured. The opposite sides 62 of fixture 38 are connected by a portion 68, which may be integral with said sides, which cooperates with the pivoted locking member 10 for holding the looped portion of the cord 28 against movement,

5 whereby to hold the bottom rail 18 releasably in its adjusted position. It will be understood that the looped portion of the cord 28 is released from its locking engagement by movement of said portion to the right, viewing Figs. 1 and 3 and that said looped portion is automatically locked in position when said looped portion is released following its operation for raising or lowering the blinds. The fixture 38 may be secured to bracket 56 in any suitable way, for example by spot-welding the inner end portions 12 of the fixture sides 32 to the bracket.

It will be understood that the invention may be embodied otherwise than as herein specifically illustrated and described and that various changes in the details of construction and in the arrangement of parts may be made without departing from the underlying idea or principles of this invention.

Having thus described my invention, what I claim and desire to secure by Letters Patent is:

1. In a Venetian blind having a head rail, a bottom rail, a slat-tilting rail, laddered tapes connected to said bottom rail and to said tilting rail, and a plurality of slats carried by said laddered tapes; a cord connected at its opposite ends to said bottom rail and to said head rail for raising and lowering said bottom rail whereby to raise and lower said slats, the vertical portions of said cord being disposed at and confronting the opposite free ends, respectively, of said slats and movable endwise of said slats to a position clear of engagement therewith whereby to permit the removal of the slats from the blind without unfastening the cord from said bottom rail, said cords normally engaging the opposite free ends, respectively of said slats for releasably holding the latter in aligned relation on said laddered tapes, said head rail being provided with means including guide pulleys, there being end guide pulleys adjacent the opposite ends, respectively, of said head rail and a pair of intermediate guide pulleys positioned between said end guide pulleys and both located adjacent each other near one of said end guide pulleys, and the cord having portions extending from the upper ends respectivelyof said vertical cord portions in opposite directions therefrom over said end pulleys, respectively, and longitudinally of said head rail and downwardly therefrom in engagement with said intermediate guide pulleys, respectively, forming an intermediate looped portion of the cord for use in operating said cord to raise and lower said bottom rail of the blind and to-correspondingly raise and lower said slats, said head rail having an apertured portion, one of said end pulleys and said intermediate guide pulleys being disposed in said apertured portion, one of said vertical cord portions entering said apertured portion for engagement with said one end pulley therein, and said looped portion extending downwardly through said apertured portion inwardly of said one vertical cord portion.

2. In a Venetian blind which comprises a plurality of slats and means including a rail for raising and lowering said slats, a single length of cord operatively connected in the blind for raising and lowering said rail, said cord being operatively connected to said rail and extending upwardly therefrom transversely of the slats at the opposite free ends, respectively, of said slats in confronting relation to said ends, respectively, then horizontally in opposite directions toward a point between the opposite ends of the blind, and then downwardly to provide a doubled cordoperating portion, said cords being freely movable away from the adjacent ends, respectively, of said slats, and rollers carried by the blind for guiding the cord for movement in said directions, said blind having a head rail and said cord-guiding means being carried by said head rail, said means including end rollers adjacent the opposite ends, respectively, of the blind and a pair of rollers located adjacent each other at said point between the opposite ends of the blind, said head rail having an apertured portion at said point, said pair of rollers and one of said end rollers being disposed in said apertured portion, said cord extending upwardly adjacent a free end of said slats through said apertured portion, and said doubled portion thereof extending downwardly therethrough inwardly of said free ends.

ENGENE DELGAUDIO.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS