US1289828A - Casement-adjuster. - Google Patents

Description

WE CfLEA.

BASEMENT ADJUSTER. APPLICATION FILED MAR. Is, IsIa.

Patented Dec. 31, 1918.

57 42 (54 43 59 Zi/j u @fw rfid WILLIAM C. LEA,

or Los ANGELEs, CALIFQRNIA.

CASEMENT-ADJUSTER.

To all whom t may concern.'

Be it known thatI, WiLLIAM C. LEA, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles, State of California, have invented a new and useful Casement-Adjuster, of which the following is a specification.

My invention relates to easement adjusters,

` being more particularly a device for opening and closing casements and fixing the lcasement in either extreme position or int-ermediate positions.

The principal object of my invention is produce a easement adjuster of simple form and construction which may be attached to the ordinary form of window construction.

Other objects and advantages will appear hereinafter from the following description and drawings.

Referring to the drawings, illustrative purposes only,

Figure 1 is a sectional plan View of a casement frame showing a device embodying a form of my invention mounted thereon.

Fig. 2 is a view similar to Fig. 1 showing the easement in open position.

Fig. 3 is a plan view of a portion of the adjuster, partly in section.

Fig. 4 is a sectional view on line 4.4, Fig. 1.

Fig. Fig. 1.

Fig. 6 is a sectional view on line 6-6, Fig. 4, and

Fig. 7 is a perspective view of a swivel block and. follower.

The mechanism for operating the casement is largely contained within a casing designated at 11, which casing consists of a b-ase plate 12 and a cover 13 shaped like a box and having flanges 14 which receive screws 15 which extend through the base plate 12 into the sill 16.

The frame of which the sill 16 forms a part is of ordinary construction having jambs 17 to one of which is mounted, by means of suitable hinges 18, a casement sash 19, said sash being mounted to swing outwardly from the frame.

In the form shown, the operating mecha.- nism or adjuster is concealed, that is, the adjuster is covered by means of a stool 20, a filler block 21 being provided between the stool and the sill leaving a space or chamber sufficiently large to receive the casing which are for 5 is a sectional view on line 5-5,

Specicatiou of Letters Patent.

Patented Dec. 31, 1918.

Application filed `March 18, 1918. Serial No. 223,241.

or box 11, and in the form shown, the apron 22 extends a sufficient distance upward to engage the under side of the stool 20, a portion of the upper, inner edge of the apron 22 being cut away, as indicated at 23, to accommodate the casing 11. It is, however, to be understood that installations of the adjuster may be made on the common window frames without concealing the adjuster as above described, in which case the casing 11 would be mounted directly on the stool. Secured to the inner face of the sash 19 is a guide 25 in which is slidably vmounted a guide block 26, the lower edges of the guide 25 being t-urned inwardly, as indicated at 27 in Fig. 5, to retain the block 26 therein. The guide block 26 means of a pin 28 on the outer end of an operating bar 29, the inner end of the bar 29 extending through an opening 30 in the cover of the box 11 where it is provided with an offset portion 31 pivotally mounted to the base plate 12 by means of a stud 32 mounted in the Said base plate. f 35 designates a nut mounted to travel on the threaded end of a shaft 36. The nut 35 is provided with upper and lower trunnions 37 and 38 respectively, 'the lower trunnion 38 extending into the operating bar 29 and the upper trunnion 37 extending into a bracket 39 which is secured to the upper face of the bar 29 by means of a bolt or rivet 40, and also by means of the stud 32 which extends through said bracket 39. By the construction just described it is evident that the nut 35 is swiveled between the bracket 39 and the operating bar 29, the trunnions 37 and 38 permitting the nut 35 to swing freely between the said operating bar and bracket.

42 designates a swivel block which engages a reduced portion43 of the shaft 36, there being a shoulder at each end of the reduced portion 43 engaging the opposite faces ofthe swivel block 42 thereby retaining the shaft in the swivel block, permitting the turning of the same therein, but preventing any longitudinal movement of the shaft in the swivel block. 44 designates a trunnion on the lower end of the swivel block 42, which extends into the base plate 12. 45 designates a follower which fits into a recess 46 in the upper face of the swivel block 42, the follower being cut out, as indicated at 47, to fit over the reduced portion 43 of the shaft 36. The follower 45 is provided with a trunnion 48 which extends into a bracket 50 which bracket 50 is secured Vto the base plate l2 by means of suitable bolts or screws 5l. B the construction of the swivel block 42 and the mounting of the same as just described, it will appear that the swivel block 42 may freely turn on its trunnions between the base plate l2 and the block 50, the swivel block comprising a mounting' forV the shaft 36.

The inner end of the shaft 36 is squared, as indicated at 53, and extends through an opening 54 formed in the apron 22 to the inside of the frame where it may readily be engaged by means of a suitable crank 55 for the operation of the device as hereafter described.

The adjuster works in the following manner:

A crank 55 being placed upon the squared end of the shaft, and assuming that the parts are in the position shown in Fig. l, by turny ing the shaft with the crank the nut 35 is moved on the threaded end of the shaft 36 toward the swivel block 42. This operation swings the bar 29 about the stud 32,

and a continuation of this movement brings the parts into the position shown in Fig. 2 of the drawing, in which position the casement window is fully opened. During this operation the guide block 26 slides in the guide 25 on the sash from the position indicated in Fig. l to that shown in Fig. 2.

It is to be understood that the sash may be placed in any intermediate position between the two positions shown in Figs. l and 2 and that in any position the sash is rigid, there being no links or intermediate connections between the operating bar and the shaft 36 except the nut 35 which is directly mounted upon the operating bar, as heretofore def scribed.

It is further to be understood that I do not limit my invention to the operation of casement sashes as heretofore described, but it will readily appear to those skilled in the art that the same mechanism mav be mounted upon transoms for the operation of the same.

What I claim is l.v A casement adjuster comprising` a base plate secured to the casement frame, a swivel block mounted on said base plate, a screw havingan intermediate reduced portion engaged in said swivelblock, a nut on said screw, a bar pivotally mounted on said base plate, means forpivotally mounting said nut directlv'on said bar, a guide block pivotally mounted on the outer end of said bar, and a guide mounted on the casement sash Y ar ranged'to slidably engage said guide block.

A casement adjuster comprising a base plate secured to the casement frame, a swivel block mounted on said base plate, a screw having an intermediate reduced portion engaged in saidswivel block, a nut on said screw, a bar pivotally mounted on said base plate, means for pivotally mounting said nutdirectly on said bar, and means for slidably connecting saidbar to the casement sash.

3. A casement adjuster comprising .a baseplate secured to the casement frame, a swivel block pivotally mounted on said base plate, a threaded shaft mounted against longitudinal movement in said block, a nut mounted on the threaded end of said shaft, an operating bar pivotally mounted on said base plate., a bracket Xed on said bar, trunnions on said nut engaging said bar and said bracket, a guide secured to the casement sash, and meansy on said bar for slidably engaging said guide.

4. A casement adjuster comprising al casing secured to the easement frame., said. easing consisting of a base plate and a cover thereon, a swivel block mounted in said casing, a threaded shaft having a reduced portion mounted in the swivel block, a squared inner end on said shaft extending through an opening in said casing, a traveling nut mounted on the threaded portion of said shaft, an operating bar pivotally mounted to the base plate within said casing, a swivel connection for mounting said nut on said bar, said har extending through an opening in said easing, a guide secured to said casement having a slot in its under side, a guide block, and a pin on said bar extending through the slot in the guide to pivotally mount the guide block on said bar.

Intestimony whereof, I have hereunto set my hand at Los Angeles, California, this 7th day of March, 1918.

WILLIAM Q LEA.

Copies ofthis patent may be robtained for ve cents each. by addressing the Commissioner of Patents,

l Washington, D. C.

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