US1638547A - Locking mechanism for window sashes - Google Patents

Description

Aug. 9, 1927. 1,638,547

W. W. MYERS LOCKING MECHANISM FOR WINDOW SASHES Filed Sept. 25, 1922 ATTORNEY I ing cord or rope to move vAnother feature of WINTER W. MYERS, OF BROOKLYN, I v

COMPANY, OF NEW YORK, Y., A CORPORATION OF MAINE.

New YORK, assrenoa'ro Ans-rant wrnnow LOCKING ivrnonan sri Fonwmnow sAsHEs.

Application filjed September 23, 1922. serial No. 590,012.

' The invention which constitutes the subject matter of this application relates to an improved locking mechanism for window sashes, particularly applicableto balanced windows of the Austral type. 7 tion has to do with mechanism not only for. latching the sasies in closed position, but also with means cooperating with the closthe sashes into closed position after having been opened. the invention'is the prowhereby' the shade for the upper sash may be drawn downwardly into contact with the upper surface of the meeting rail of the upper sash.

Other objects, advantages and features of construction and operation will more fully appear from the detailed description below taken in connection with the accompanying vision of means drawing in 'whi ch Figure 1 isa vertical'cross sectional view of an Austral window showing my invention applied thereto; 7

Figure 2 is an enlarged view of the meeting rails of the'two sashes showing my mline 22 of Figure 4:; Figure 3 is a section of Figure 4;

Figured is a tion;

Figure 5 is 5-5 of Figure 4; and

Figure 6 is a section taken on .the line 6-6 of Figure 4.. r 7

Referring to the drawings in'detail, the reference numeral 10 designates a frame in provements in cross section taken on the taken onthe line 3-3 top' plan view of my invenwhich'the two sashes 11 and 12 are mount-f ed, the former being provided with sliding pivots at the top and the latter withsliding pivots at'the bottom. These two sashes are pivotally' connected by balanced arms 13 (only one being illustrated) so that when one of said sashes is vmoved the other is simultaneously moved with it. The reference numeral 1 1 designates the meeting rail of the lower sash 15 the meeting rail of the upper sash. make no claim per se, however, to the various parts just referred to as they are old and well known in the art.

Upon the meeting rail 15 of the upper sash is secured the keeper plate comprising a base 16, a latch engaging extension 17 55 a member 18 provided with a perforation 19 The inven-- to the inner edge e for. the upper sash when:

' with.

a section taken on the line and the reference numeral I dow sashes will be drawn in which the window closing cord is detachably secured, and the shade guide pulley 20 journaled in the members 21 and-I22- extending upwardly from the base plate 16.

The base plate 16 and latch engaging means a 17, the member 18 and journal members 21 and 22 are of unitary or integral construction.v The outer peripheral surface of the pulley orguide 20 is located in proximity Also the inner journal members :21 and 22 are in a plane 23 "of the base plate.16..' edges or surfaces of theor substantially in a plane with said inner edge 23 in consequence of which the shade pulled downwardly is enabled to contact with the upper surface of the meeting rail 15. f v

Upon the meeting rail 1a "of the lower sash is secured a base member comprising a base plate 2 1 provided with tending from he inner edge thereof'outwardly beyond the outer edge of the base plate but preferably Adjacent the inner end of the arm 25 is a guide member 26, preferably a pulley, and adjacent its outer end a guide member made integral there- I 27 also preferably a pulley. Pivoted about I a horizontal axis and shaft 28 of the pulley 26 is a latch member 29 held in latching engagement with the spring 30. This latch member extends outwardly beyond the base plate 24: and is propreferably on the s5 latch engaging means 17 "by 'means of a vided adjacentits outerend with a perfotion 31 adapted to receivea cord for disengaging the latch from the latch engaglng means 17. Extending upwardly from. the base plate 2 1 is a bearing member 32 for. the shaft 28,. the being journaled in the walls of the outward 1y extending arm25.

It will of course be understood that the closing cord passes over the guide pulley other end of said shaft 27 and over the guide pulley 26 and 'engages the member 18 of the keeper plate.

it will be readily apparent that the wintowards each other When a sufficient pull is given to this cord so as to enable the latch 29 to engage with the latch engaging member 17 to lock the sashes in closedposition. When it is desired to open or separate the sashes for ventilation or other purposes erted upon the outer end of the arm 29 against the tension of the spring with 1 a downwardpull is ex 1 the result that said arm 29 is moved; in

L of one sash provider for attaching a window :plate secured tothe meeting rail of the other 7 for attaching a sash, and means on said a clockwise direction around the shaiit-28 as an aXis' disengaging the same from the latch engaging member 17.

- From thetoregoingit will seen that I have devised an improved opening, clos ing and; latching mechanism 'for balanced \v1ndoWs,' particularly useful Where the Window proper is located out of reach of the operator as in'the' case of Windows in pubhe schools, gymnasiums, etc.

hat I claim and desire to secure byLetters Patent is:

1. In an improved Window latching mechanism, a keeper secured to the meeting rail closing corch a base sash, and means on said base plate for guid- 'ing said cord comprising anarm extending from the inner edge of, said base plate out- Wardly beyondothe plane of the sash to with means thereon Whiclrsaid base plate is securech a cordgui-fle member secured to the inner'end ot said arm and in juxtaposition to said keepe, plate, and a cord guide the portion of said arm which projects be yond the plane of the sash attached. I

' '3. In animproved Window 01' one sash provided with means thereon for attaching a Window closing cord, a base member secured to to which it is latching mech- .anism, a keeper secured to the meeting rail plate secured to the meeting rail cf the other sash, for guiding said cord comprising 0'? ailing from the inner edge of said base plate outwardly beyond the plane of the sash to Whichsaid base plate secured said arm comprising a top and two side aprons integral with and projecting downwardly from said top, aqcord guide pulley pivotal ly secured to the aprons at the inner end of said'arm and in juxtaposition to said keeper plate, an'o a cord guide pulley pivotally, secured to the aprons on the portion of said arm which projects beyond the plane of the sash tojwhich it is attached thedistance between said aprons being substantially equal to thewidth of said pulleys- In testimony wliereot l have hereunto set my hand this 22nd day of WINIER and means on said base plate an arn'r September, 1922. WY. MYERS} '1

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