US1469842A - Automatic window shade - Google Patents

Description

Oct. 9, 1923.

1,469,842 T. P. LIVINGSTON AUTOMATIC WINDOW SHADE Filed Jan. 5. 1922 gvwewfoz TIQZ Vz @622072 Glicine Patented Oct. 9i, 1923.

.f v f s THOMASPosrnmjiiivinssiron; or Noi-ar IAUri'joi/fe'ric wiNncw-sienn.

Application Ysied Ianuaryrs', i922.'Y seriai No; 527,143.' i

To all whom it maid/concern:

f Be it known that, THOMAS P. LivinesioN, a citizen of the United States, vresid-- With the foregoing and other objects in l Y view which lwill appear as .the description proceeds, the invention resides in the combi- 'v nation and arrangement of .parts and in the details ofconstruction hereinafter described, andV claimed, itv being understood thatV changesfinA the precise embodimentv of the invention herein y within the scope of what is claimed, without departing froml the spiritzof the invention.,

Referring to the drawing: Figure 1 is an elevational 'View disclosing a shade and a bracket constructed in accordance with the present invention.

Figure 2 isan end elevational view disclosing the bracket and' shade pintle `supev f ported therein, and i asV ' f lai-portions indicated at 6',

3 is' a bracket and shade roller. A in detail,

VFigure through a Referring tothe drawing the device is shown `as embodying bracket inembers 5' and 6, eac bracket'member being v4provided with a pintle lreceiving opening, the wallthereof being formed withfirregu with'the ribs 7 vformed Yon'the pintles of the roller for normally holding the shaderollerl4:; Y

in itspositions of adjustment. Aslshown by Figuref of the drawing, the

i 'Y roller Y'which is indicated at 8 isV supplied lwith a drum 9 Vdisposedfat onejend thereof,

l". `which drum-accommodates the flexible mem-fY ber 1Q, employed in manipulatingftheshade proper. v This iiexible memb end secured to the drum iso that upon one movement Aber 10 will bev wound on thedrun'ij.v Y Y lows that when the liieiible member 10, is

of l the roller18, theflexible mem@- the -flexible memberto run :offmof its drum i p cure the drum against' movement. disclosed, may :be made eration of the roller,

las by lifting either-weight.

n y as disclosedby Figurejlv fragmental sectional view.

'vribsr' and irregular'portionsrof the brackets Y v,holding the shade in its whichi cooperate A Y proper position,

i! Havin'gthus 'described thev inventiomwhat 'lislclaimedasifiewis i' l' i A device -offthe ch Y nrising combinationgra shadebracket havier 10 lhasfone'.:

"the "opening throughout vlengthfjof the wall, arQIler,'Vpintlesinthei pulledto unwind'the saine from the drum, Y the roller is moved in the opposite direction to wind the shade 11 on the roller.

The bracket 5 'is formed with a depending portion 12 having ears 13 which'are con-Q Y nectedl by the pin M and under whichftheVv iiexible Vmember moves, the pin beingpror' i vided to hold the flexible member l0against movement laterallyy of, theV drum, tocause while the same-'is beingwound. Thepini also provides a'stop to eliminateanypossibility ofthe entire length -of the* iexible member 10'beiiigwoundon the drum, it'being obvious that as thev weight 15 movesto a position adjacent tov t e lower endrof the; Y

l`extension 12, thesainewill contact with the ,o l f pin and ears torestrict flexible member. 1 Forming apart of thepintle, which is ini dicated at 16, is a circular flange 17 adapted o to contactV with the. drumir9 when the pintle is positioned one end'of thelrolle'r, tofse- 1f movement of the A weight indicated at 18 Aiszsecured-tothe shade stick 19 to counterbalance the weight 15, but it is to be understood lthat either weight issufiiciently heavyfto cause the opfshould i theshade or` iiexible member'be relieved of-its weight,

The operation of the shade isas follows: f Assuming that the shade is in a position y v V- of the drawing,` the shadeLto its' and it isk desired to move Itis only necesiv activeV or closingposition;y saryto lift theweight 15vto ,relieve the ilexi-y Y ble member lOrofthisweight, whereupon the I f weight 18V will overcome the ,tendency ofthe normalepositiomto t, the'endithatithe shadewill unroll. Itis ob. .i f. vious-that when lthejshade has reached'its v Y y the per'soi'iQ;lifting,V `the. weight 15` releases the saine, whereupontheg' curtain isfh'el'd vin its position offadiustment' --racterf(ilescribedfcoinf' ingan i opening,teeth felrrnedon the `wall ,of

l af portion-jeff the y thereomf thefllll i' A i f ribs adapted to normally engage the teeth of the Wall of the opening to restrict movementvof the roller, means for moving the roller, aocurtain Wound on the roller7 and one end of the ourtan being Weighted to normally hold the same in an extended position. Y

Y In testmonyrtloat I claim the foregoing as

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