US2345806A

US2345806A - Weather strip groove adjuster and sash retainer

Info

Publication number: US2345806A
Authority: US
Inventors: Joseph P Glaser; Leon E Willett
Original assignee: Chamberlin Metal Weather Strip Co
Current assignee: Chamberlin Metal Weather Strip Co
Priority date: 1940-04-23
Filing date: 1940-04-23
Publication date: 1944-04-04
Anticipated expiration: 1961-04-04

Description

April 4 1944- l J. P. GLAsER Erm. 2,345,806

WEATHERSTRIP GROOVE ADJUSTER AND SASHRETAINER v Filed April 23, 1940' 2 sheets-sheet 1 ZSmJentor :i J e P67056?" ii April-4, 1944' J. P. GLASER Erm, 2,345,806

WEATHBRSTRIP GROOVE ADJUSTER AND SASH RETAINER Filed April 23, 1940 2 Sheets-Sheet 2 i *11 .15- LS'J/ 55 52 23 25 v l k /fo/ 20 Patented 4,

WEATHER STRIP GROOVE ADJUSTER AND SASH RETAINER Joseph P. Glaser and Leon E. Willett, Detroit, Mich., assignors to Chamberlin Metal Weather Strip Company, Detroit, Mich., a corporation of Michigan Application April 23, 1940, Serial No. 331,198 15 Claims. (Cl. 292-70) This invention relates to window weatherstrip structures and in particular to a device for increasing the eillciency of such structures.

One object of the invention is to provide a weatherstrip groove adjuster and sash retainer which will tighten the engagement of the sash with the weatherstrip and also apply a force to the weatherstrip to frictionally hold thesash in any desired position of adjustment.

Another object is to provide a Weatherstrip groove adjuster and sash retainer wherein an elongated element is urged laterally into frictional engagement with the weatherstrip so that it reduces the channels otherwise available for the entry of 'outside air and at the same time frictionally engages the weatherstrip so that the sash will remain partially or wholly open or closed without the necessity for providing sash weights or springs.

Another object is to provide a weatherstrip groove adjuster and sash retainer wherein the sash is provided with a longitudinal groove containing a laterally expansible bar engaging the weatherstrip and closing up any cracks existing therebetween.

Another object is to provide a device as set forth in the preceding object wherein the bar is urged wholly laterally into engagement with the weatherstrip, yet is prevented from engaging the window frame with any appreciable force.

Another object is to provide a device as set forth in the preceding objects wherein a split bar is spread apart by a wedge device actuated by means projecting through the sash and adjustable without removing the window stop or other window or sash structure.

Another object is to provide a device as set forth in the preceding objects wherein a lever is provided for urging the bar laterally against the line 3-3 in Figure 1.

Figure 4 is an enlarged horizontal section taken `along the line 4-4 through the axis of the wedging screw. v

Figure 5 is a perspective view of the expansible bar shown in Figures 1 to 4, inclusive, and removed from the window assembly.

Figure 6 is a horizontal section similar to Figure 2, but showing a modification wherein the bar is urged transversely by a lever and screw.

Figure '7 is a side elevation, partly broken away and in section, of the modification shown in Figure 6.

Figure 8 is a perspective view of a portion of the bar removed from the modifications of Figures 6 and 7.

Figure 9 is a horizontal section similar to Figure 2 of a modification employing an expanding wedge with a screw cam expander.

Figure 10 is a side elevation partly broken away and in section, of the modification shown in Figure 9.

Figure 11 is a transverse section taken along the line I I-I I in Figure 9, but showing only the sash and the portion of the window strip engaged by the expansible bar.

General arrangement In general, the weatherstrip groove adjuster and sash retainer of this invention consists of a bar mounted in a longitudinal groove in the edge of the sash, together with various means for urging a portion of the bar transversely of the sash into engagement with the portion of the weatherstrip entering the sash groove. The force is preferably applied wholly transversely so that the bar is not urged outwardly into engagement with the window frame. In the principal form of the invention the bar has longitudinal slots provided with screw-actuated wedges for expand ing it transversely into engagement with the weatherstrip.

In one modification, the bar is urged transversely by a lever which in turn is actuated by a screw. In another modication a slotted bar is expanded transversely by a wedge engaged by a screw perpendicular to the axis of the wedge and having a cam action thereon.

Hitherto the building art has often employed prefabricated window frame and sash units which are manufactured at the factory and later installed in the building. Manufacturers of these units have been unable to determine the exact nt which the sash should have with the window frame in view of the fact that the unit is afterward exposed to moisture which expands the parts if, as usual, they are made of wood.

In particular, a window and sash unit installed in a newly erected building is usually mounted adjacent freshly plastered walls. This plaster panding screw 3l is provided with the usual screw A escapes as the plaster hardens. Much of the water enters the wooden window frame and sash, causing them to expand and bind. The sash and windowframe are preferably made so that they will have a relatively snug t when dry, because only by-such a snug tlt can the entrance of air around the edge of the sash be prevented. If, however, such a snugly fitting unit is mounted in a freshly plastered building, the consequent expansion of the wooden frame and sash causes them to bind and renders the window incapable of being opened or closed. In order to prevent this binding, therefore, it has been necessary hitherto to leave large clearance spaces between the sash and the adjacent window frame. These large clearances enable the sash and window frame to expand considerably asthey become impregnated with the moisture from the plaster walls, so that a fairly snug t is obtained when.

the parts are damp. When the parts dry out, however, large cracks are frequently left between the sash and the window frame through which wind will blow, causing drafts and cooling ofthe house.

The present invention eliminates these diiliculties by providing a transversely urged bar engageable with the portion of the weatherstrip entering the sash groove. only in a substantially transverse direction, it does not expand outwardly into engagement with the window frame. As the bar tightly engages the weatherstrip, no cracks remain through which wind can enter. At the same' time, the barengages the weatherstrip with a sufficient frictional eil'ect to hold the window fully or partially open at any desired point, thereby eliminating the need for sash counterweights or springs.

' I Preferred construction Referring to the drawings in detail, Figure 1 shows a window and sash unit having a sash I with upper and lower stiles II and-I2 and side stiles I3. The side stiles I3 move up and down I y contains a large amount of water which slowly Since this bar is urged in a space formed by the window frame members 5 I4 and side members I5 and I6. The side member I6, or parting stop, is mounted in a groove I1 in the window frame I4. The sash stiles I I, I2 and I3 are provided with the usual recess I8 for receiving the window pane I3, the latter being held in position by the usual putty or other retaining portion 20.

The interior of the window frame I4 is provided with a weatherstrip 2| (Figure 2) having a base portion 22 and a tongue 23 projecting into a groove 24.within the sash side stiles I3.` Mounted in the groove 24 is a groove adjusting member 25 consisting of an elongated bar with its outer edge substantially flush with the side edge of the stile I3 of the sash I0.

Various means are provided for urging the bar 25 transversely of the sash I0 into engagement with the weatherstrip tongue 23 and since the adjusting member 25 is substantially flush with the side of the stile I3 it will be engageable with the weatherstrip portion 2l. In the principal embodiment (Figures 1 to 5) the bar 25 is provided with elongated slots 28 having wedge shaped portions 21 engaged by wedges 28. The wedges 28 are provided with threaded bores 23 yengaged by the threaded ends 30 of expanding screws 3| having enlarged shanks 32. 'Disposed between the bar 25 and the shoulder 33 formed by the portions 3l and 32 is an abutment member 34 (Figure 4). The shank 32 of each exdriver slot 35 at the outer end thereof.

Operation In the operation of the preferred form of the invention (Figures 1 to 5 inclusive), the bar assembly, generally designated 36 (Figure 5) is inserted in the sash groove 24 with the screw shanks 32 pushed outwardly through the holes 31 provided in the sash stiles I3. 'Ihe sash assembly is then placed in position in the usual manner with the tongue 23 entering the groove 24 and engaged transversely by the bar 25. The parting stops I6 Aare then placed in position in the known manner. f

In order to take up any excessive clearances between the bar 25 and the weatherstrip tongue 23, a screw driver is inserted in the slots 35 of the shanks 32 and rotated. This causes the wedge 28 to enter the slot portion 21., expanding the bar 25 transversely as shown in Figure 3. The abutment member 34 prevents the bar 25 from moving further into the groove 24 While y this is occurring. Y

As a consequence, the expansion of the bar 25 transversely effects a frictional engagement with the weatherstrip tongue 23 and at the same time brings about a frictional contact therewith. This action has the double result of closing up any excessive clearances and at the same time producing a frictional drag which counteracts the weight of the window sash III and holds the latter open either partially or wholly, in any desired position.

From time to time the engagement of the bar 25 with the watherstrip tongue 23 may be adjusted to the desired degree merely by turning the screws 3|. 1f a high humidity, such as during the summertime, causes the bar to engage the weatherstrip t oo tightly, the screw 3I may be rotated in a counterclockwise direction, causing the wedge 28 to move outward relatively to the wedge slot 21, thereby permitting the bar 25 to contract transversely.

Modijed lever construction The modified lever construction of Figures 6 and 7 employs similar principal elements to the preferred embodiment shown in Figures 1 to 5, inclusive, these elements being similarly numbered. The bar 25, however, in this modication, is solid and is provided with recesses 40 engaged by the bent ends 4I of spring levers 42 and it is noted that the adjuster element 25 has its outer edge substantially flush with the edge of the stile I3. The latter are mounted in recesses 43 in the sash stiles I3 and are engaged by screws 44 passing through holes .45 in the levers 42.

In the operation of the modification shown in Figures 6 and 7, the bar 25 is urged transversely by tightening the screws 44. This causes the ends 4I of the lever 42 to moveV in a transverse direction, urging the bar 25 against the weatherstrip tongue 23. The screws 44 may be tightened or loosened to vary the pressure with which the bar 25 engages the weatherstrip tongue 23, thereby' adapting the device to the proper adjustment required by different conditions of humidity or climate. At the same time, the frictional engagement between the bar 25 and the weatherstrip tongue 23 can be varied so as to vary the force which the user must apply in order to close or open the window.

As in the case of the preferred embodiment,

te modification of Figure 6 also enables the elimination of sash counterweights or springs since the window is held wholly or partially open in any desired position by the frictional engagement between the bar 25 and the weatherstrip tongue 23.

Modified cam construction The modified cam construction of Figures 9, 10 and 11 employs similar principal elements to the preferred embodiment shown in Figures 1 to 8, inclusive, these elements being similarly numbered. The wedges 28, however, in this embodiment are provided with stems58 having conical transverse holes I near the ends thereof remote from thev wedges 28. The sash groove 24 is provided with extension recesses 52 containing blocks 53 having mutually

perpendicular bores

54 and 55 for the reception of the stems 50 and adjusting screws 58 respectively. The bores 55 are, of course, threaded to receive the corresponding threads of the adjusting screws 56 and the latter are provided with .conical heads 51 (Figure 9) for engaging the walls of the conical holes 5I. The sash stiles I3 are provided with transverse bores 58 aligned with the threaded bores .55 through which the screws 56 enter the latter.

In the operation of the modification shown in Figure 9, the device is assembled in a similar manner to the preferred embodiment' of Figure 2, with the wedges 28 within the wedge slots 21. To expand the bar 25 laterally, the screws 58 are rotated clockwise so that their conical ends 51 enter and engage the walls of the conical holes 5 I. 'Ihis provides a cam action urging the wedges 28 into the wedge grooves or slots 21, expanding the bar 25 transversely into engagement with the weatherstrip tongue 23. In this modification, as in Figure 2, the Vopposite side of the bar 25 engages the opposite side of the groove 24 as an abutment.

Thus, in the modification of Figure 9, the bar 25 is urged into frictional engagement with the weatherstrip tongue 23 and at the same time any excessive clearance therebetween is closed up to the desired amount. In this way, as in the previously described embodiments, the bar assembly 38 not only eliminates the need for sash counterweights or springs, but also increases the efflciency of the weatherstrip structure by providing an adjustment thereof.

In the modification, as in Figures 1 to 5, the outer edge of the adjuster member 25 extends substantially ush with the outer edge of the groove in the vertical stile I3 so as to cause the same to be engageable with the weatherstrip 2I when the same is slightly expanded from atmospheric conditions to thereby create a snug fit and exclude as much air as possible.

While a specific embodiment of the invention has been described and illustrated, it will be understood that various modifications may be made within the scope of the appended claims without departing from the spirit of the invention,

What we claim is:

l. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, and means for urging said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane having its outer edge substantially flush with the outer edges of the longitudinal recess engageable with another portion of said weatherstrip.

2; In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, and means for urging said adjuster into engagement with said weatherstrip portion in a direction transverse to the window pane and having its outer edge substantiallyv flush with the outer edges of the longitudinal recess engageable with another portion of said weatherstrip to said groove.`

3. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, and means for urging said adjuster into engagement with said weatherstrip portion in a direction transverse to the window pane and to said groove, said adjuster being elongated and substantially parallel with said window frame structure having its outer edge substantially flush with the outer edges of the longitudinal recess engageable with another portion of said weatherstrip.

4. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, and means for urging said adjuster into ergagement with said weatherstrip portion in a direction substantially perpendicular to the window pane and to said weatherstrip portion having its outer edge substantially fiush with the outer edges of the longitudinal recess engageable with another portion of said weatherstrip.

5. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into s`aid recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, and resilient means for urging said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane.

6. In a sash retainer adapted `to be received in a longitudinal recess and adjustably pressagainst and move longitudinallywith respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess and having a longitudinal depression therein, and force exerting means in said depression for laterally moving a portion of said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane having its outer edge substantially ush with the outer edges of the Vlongitudinal recess engageable with another portion of said weatherstrip.

7. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and windovv frame structure, the combination of an adjuster element mounted in said recess and having a longitudinal cavity therein, a wedge device in said cavity, and means for urging said wedge device into said cavity for moving a portion of said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane.

8. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally ith respect to a weatherstrip extending into s id recess, thereby adjusting the friction between the moving parts of a. weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess and having a longitudinal cavity therein, a 'Wedge device in said cavity, and screw actuated mechanism for urging said wedge device into said cavity for moving a portion of said adjuster into engagement with said weatherstrip portion in a directin transverse to the window pane.

9. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped slidingsash and window frame structure, the combination of an adjuster relement mounted in said recess and having a longitudinal cavity therein, a wedge device in said cavity, an abutment engaging said adjuster beyond said cavity, and screw actuated mechanism for urging said wedge device toward said abutment for moving a portion of said adjuster. transversely into engagement with said weatherstrip portion in a direction transverse to the window pane.

10. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a Weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window framestructure, the combination of an adjuster element mounted -in said recess and having a longitudinal cavity therein', a wedge device in said cavity, and cam means engaging said wedge device for urging said wedge device into said A cavity for moving a portion of said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane. Y

11. In av sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess and having a longitudinal cavity therein, a wedge device in said cavity having a cam contact surface and a cam engageable with said cam contact surface for moving a portion of said adjuster transversely into engagement with said weatherstrip portion 'in a direction transverse to the window pane.

12. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, a laterally movable element engageable with said adjuster, and means for moving said element toward said adjuste' for urging said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the Window pane,

13. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, a laterally movable lever element engageable with said adjuster, and means for actuating said lever element for moving a portion of said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane.

14. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an adjuster element mounted in said recess, a laterally movable lever-element engageable with said adjuster, and means for moving said element toward said adjuster for urging said adjuster transversely into engagement with said weatherstrip portion in a direction transverse to the window pane, said lever element having a resilient part yieldingly engaging said adjuster.

15. In a sash retainer adapted to be received in a longitudinal recess and adjustably press against and move longitudinally with respect to a weatherstrip extending into said recess, thereby adjusting the friction between the moving parts of a weatherstripped sliding sash and window frame structure, the combination of an elongated adjusting member mounted in said recess and having a longitudinal cavity therein, an elongated wedge in said cavity, an abutment on the opposite side of said member from said wedge, and means for urging said wedge into said cavity toward said abutment whereby to move a part of said adjusting member transversely into engagement with said weatherstrip portion in a direction transverse to the window pane.

- JOSEPH P. GLASER.

LEON E. WILLETT.