US1820503A

US1820503A - Window shade

Info

Publication number: US1820503A
Application number: US517565A
Authority: US
Inventors: Senior William
Original assignee: Individual
Current assignee: Individual
Priority date: 1931-02-21
Filing date: 1931-02-21
Publication date: 1931-08-25
Anticipated expiration: 1948-08-25

Description

Aug. 25, 1931. WJSENIOR 1,320,503

WINDOW SHADE Filed Feb. 21, 195i 2 Sheets-Shae; 1

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o m\ Ill '5 N I ll r l. QIXN I I \Q\L\ I l I I I I I I I W 1 Q I k I a M ll 1 N T I I I l I v I I I I I :1: I Q I I: J4

n Q I t m Men or Ql & Q N

William Sen Lor A llomey Aug. 25, 1931. v w, SENIOR 1,820,503

WINDOW SHADE Filed Feb. 21, 1951 2 Sheets-Sheet 2 William Senior Inventor A Home y ming parts throughoutathe several view'sya nd v I a v a a -j a projectingarnr'l lhaving at threaded aper- Figure list a view infrontelevation show- :ing a shadeconstructedinaccordance with Patented Aug. 25, 19 1 I anda-has:-for one of its important objects to iprovide, in amanner as hereinafter set forth,

7 a device offthis character embodyinga novel avconstruction arrangement of parts whereby 'wrinkling of thexsha'de when the same-is wound; on its. supporting roller will .Qbe eliminated, thusmaintaining the good appearance Oftheshadeand materiallyspro- -10 longing .theusef-ulness or life thereof. f 1

:"-j Another important obje'ct of the invention f is; to; provide a window shade of the character i desoribedembodying novel means for mounting the same on awindow frame and-fora-ctuating the roller for winding or. unwinding'the shade ithout the necessityof touching said shade with the hands; V a OtllQITObjGCliSi of 'the 'invention areto provide? a window "shade of the 7 "character set forth which will "be simple in construction, strong,durable efficient and reliable in use, 7 iattrajotive'fin' appearance and whlch may be I manufactured'iat lowcost.=

All of the'foregoing and still further ob- -jects and advantageszof the invention will I become apparent from a study of the follow-Y I ing specification,:taken inconnection with -.':the, accompanying drawings wherein like characters of referencedesignate correspondg this invention. 3

Tone e iid of the shade.'roller .fl

" Figures is a viewlinside elevation show-a "ing the end portion 'of the shade roller which is illustrated in Figure 3; r.

I -'Figure 5 is aview' in side elevation showing'theotherv end portion 'of the shade roller. Figure '6 is view inielevation looking at i-. l nFie lfi! a i Figure? isadetail View, partly-in elevaiThis ainvention' toa window shade k he end- -of the roller which is illustratl 1 Application niea hum er- 931} Serial no. 517,565."

the compound pulley.

:Figure 9 is a;detail view ofjonefofgthe a pintles, g

Figure is a; detailqviewof j'thbinaw which adjustably supportsone endlofthe shade roller.

' 1 Referring to the det aili lit will be seen that the reference numeral *1 designates generally; a bracket which inoo eludes the basepo'rtion 2 :havingopenings therein for thepassage'of screws 3 for rigid-1.

1v securing the bracket lin position on one id i th up p t on he: W dow -frame 4. Th bracket 1 further includes, the- {is outwardly projecting arms 5, 6 and 7 ,having threaded vaperturesin their freeend portions for receiving the threadedtap'ered pintles 8,

9 and.1 O respectively.v It l may be well .to 1

"l e fiat et t b ket 1 sviqrimed ofz so a single piece of metal which is preferahly cast,

The referencenunieral I111designates;gem I emu a supporting bracket which is mounted on the upper portion'of, thefother Side 1 0L55 V thewindow frame A1 and a least;per r .tionv l2 having apertures therein for the pas- Y sages 10f s r ws 1 fo i d e ur n m rbracket .11 to 7 the, window' fframe. aThe I a bracket 11 furthe." 'ncl des ,an

ioutw d yi tom 1 in its free end portion 'for'the reception.

of the threaded ipintlei 15; TheQ a perture-in 1"] the arinv-pl isgaligned with the-aperture in the farms of,the bracket.1. -A n angular arm '16 is detachablyf secured onthe'arm l4; andfis cures the -pint1e1'5 in {adj listed positioni "1" f if The reference numeral-i18;designates' the-195 I shade roller-which is of circular cross section andfunrformwdiameter :fr'om one'endtoi'a' point'fadjacentthe other enda The shadejis deslgnatedby, the reference numeral 19Tand is, ofco'urse, windableon the ,roller' 18'. An'

FigureS is a detailviewii isectiei through As best seen in Figure 3 of the drawings,

vided with a centrally; disposedtapered the disk is secured screws 22. j r

At its other end theroller 18 is'provided with a reduced extension 23 of circular cross section which is encircled by a rubber band to the roller 18 by 24: of suitable Width. Thefree end of the extension 23 has secured co-axially thereon a bearing disk 25 (see Figure 6) which is prosocket 26 for the reception of the tapered end portion 27 of the pintle 8." From a consideration of Figure 10 of the drawings, it Wlll be seen that the tapered end portion 27 is offset with respectto the threaded portion of the fpintle 8 for a purpose which will be presently set forth. It will thus be seen that the shade roller 18 is supported for rotation between-the arms 5 and 14; of'the brackets 1 and 11 respectively.

The pintle 10 which is threaded through the arm 7 of the bracket 1 is anchored in one end portion of a stationary'guide tube 28 which is disposed in spaced parallelism beheath the shade roller 18 and which extends between said arm 7 and the arm 16 on the bracket 11. The other end of the guide tube 28 is detachably secured to the free end portion of the arm 16 by suitable means such as a screw 29which is inserted through the arm lfiandanchored in the adjacent'end portion of the guide tube28. The pintle"10, of course, provides means for supporting said first named end of the guide tube 28 on the arm 7 of the bracket'l. A compound pulley designated generally by the reference numeral 30 is'journaled for rotation between the pintles 9 and 10 and comprises a circumferentially grooved portion 31 and a disk portibn 32which is encircledby a rubber band 33 which, in turn, is frictionally engaged with the rubber band 24 on the extension 23 of the shade roller 18 for operatively connecting the shade roller tothe pulley 30 for actuation thereby. The ends of the pulley 30 are provided with tapered sockets 34 for the reception of the tapered end' portions of the pintles 9 and 10.

A bracket 35 is rigidly mounted on the window frame 4 in spaced relation beneath the bracket 1 and includes an outwardly extending horizontally disposed leg-upon which is mounted a yoke 36. The yoke 36'is' adjustably secured to the bracket 35 through the medium of a threaded shank 37 extending through the. horizontal leg of the bracket 35 and having threaded thereonan'ut 38.

yoke 36; An endless, beaded drive chain {10 is trained around the pulleys 39 and 31 and be evenly wound on the roller.

A grooved pulley 39 is rotatably mounted in the on the roller with the result that any wrinkles therein'will be eliminated and the shade will a The fric tional'contact between the

rubber bands

24 and 33 may be expeditiously regulated by simply rotating the pintle. 8 which, through the medium of the offset end portion 27 will pull the adjacent end portion of the shade roller upon which the band 24 is mounted toward or away from the band 23 on the compound pulley 30. The tension of the chain 40 may also be regulated by threading the nut 38 in either direction on the shank 37 for raising or lowering the yoke 36 on the bracket 35. It will further be readily apparent that the device may be expeditiously disassembled forrepairing or replacing any of the elements vthereof without the necessity of removing the brackets 1 and 11 from the window frame 4 by simply removing or backing oil the pintles or by removing the arm 16.

ltis believed that the many advantages of a window shade in accordance with this invention will be readily understood, and although the preferred embodiment of the invention is as illustrated and described, it is to be understood that changes in the details of construction may be had which will fall within the scope of the invention as claimed.

, What is claimed is 1.1-A window shade structure of the char supporting brackets, a shade roller journaled between the brackets upon which the shade is windable, one of the brackets further including a pair of spaced, opposed arms, a resilient band encircling one end portion of the shade roller, a compound pulley journaled for rotation between the opposed arms of said one bracket, said pulley including a disk portion vand a circumferentially grooved portion, a resilient band encircling the disk portion of the compound pulley and frictionally engaged With the band on the shade roller in a manner to operatively connect the shade roller to the compound pulley for actuation band encircling one end portion of the shade roller, a compound pulley journaled for roacter described comprising a pair of spaced resilient band encircling the disk portion of the compound pulley and frictionally 'engaged with the band on the shade roller ina manner to operatively connect the shade roll er to the compoundpulley for actuation thereby, means for manually actuatingthe-compound pulley, said meansflcomprising a bracket mounted on the Window frame in spacedrelation beneath said one. bracket, a yoke mounted for vertical adjustment on the third namedv bracket, a grooved pulley mounted for rotation in the yoke, and anendless chaintrained around the last named I pulley and the circumferentially" grooved portion of the compound pulley.

3. A window shade structure of the char- I acter described comprising a pair of spaced supporting brackets, aligned arms extending from the"brack ets and having apertured free end portions, a shade roller disposed between the arms, bearing disks mounted co-axially on the ends of the shade roller, said bearing disks being provided with centrallydisposed tapered sockets, pintles threaded through the arms and engageable in the sockets in a man ner to rotatably mount the shade roller on the arms,one of the brackets being provided with a pair of spaced opposed arms, a com pound pulley journaled for rotation between the pairiiof opposed arms and including a disk portion and a circumferentially grooved portionpa resilient band encircling the ad-f jacent end portion of the shade roller,'a resilient band encircling the disk portion of the compound pulley and frictionally engaged with theba'nd on'the shade rollerfor 4 operatively connecting said shade roller to the pulley for actuation thereby, 0ne of the f as pintles being provided with an 'ofiset' end portion engaged with the shade roller in a manner to move said shade roller toward or away from the compound pulley upon rota tion of said one pintle, and means for manual- V, ly actuating the compound pulley. 3

In testimony whereof I afiix my signature.

' WILLIAM SENIOR.