US1494948A - Window-operating mechanism - Google Patents

Window-operating mechanism Download PDF

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Publication number
US1494948A
US1494948A US550624A US55062422A US1494948A US 1494948 A US1494948 A US 1494948A US 550624 A US550624 A US 550624A US 55062422 A US55062422 A US 55062422A US 1494948 A US1494948 A US 1494948A
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Prior art keywords
sash
window
operating
sashes
crank
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Expired - Lifetime
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US550624A
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Herman C Bujack
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Herman C Bujack
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Priority to US550624A priority Critical patent/US1494948A/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/38Man-operated mechanisms for operating wings, including those which also operate the fastening for sliding windows, e.g. vehicle windows, to be opened or closed by vertical movement

Description

H. C. BUJACK WIND-OW "OPERATING MECHANISM Filed April 8 2 Sheets-Sheet. 1
n lzniam HERMAN C. IBUJAOK crummy/3 H. C. BUJACSK WINDOW OPERATING MECHANISM 2 Sheets-Shem. 2
Filed April 8 1922 HERMAN \BUJACK Patented May 20, 1924.
I NHTED -STATES HERMAN c. smack, or cmoaoqi'nLr-nols.
WINDOW-OPERATING MECHANISM.
' Application filed April 8, 1922. Serial No; 550324;
and exact description of the. same, such as will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.
My invention relates to improvements in window-operating mechanism.
The object is to provide window-operat ing mechanism of such a character that the upper and lower sliding sashes of a window may either be moved simultaneously or independently without the use of weights, pulley cords, or the like and which mechanism is so constructed that either or both windows may be locked at any positionto which they may be moved, so as to prevent their movement in any other manner than with the prescribed operating mechanism.
A further object is to provide in connection withlitt windows so operating, simple, efiective, automatic means for locking the windows against a movement 1 except through the use of my operating mechanism at any position t which the windows may be moved merely by disconnecting the operating mechanism.
My invention does not require for installation the use of a frame pocket and it may be fitted to any sliding window provided with a parting stop and is positioned well concealed between the meeting rails of the upper and lower sashes.
These and details of construction Will more fully appear in the following description, appended claims and accompanying drawings, 1n which: r v
Figure 1 is a horizontal sectional View, partly broken away, showing my operating mechanism in place. i
Fig. 2 is an end elevation of the operating mechanism taken on the line 22 of Fig. 1.
Fig. 3 IS a perspective, partly broken away, of the locking member.
Fig. 4 is a perspective of the locking member casing.
other objects, together with l 5 isa fragmentary f view showing the N OFF E I meeting rails otuppergand lower sashes in 1 vertical cross-section.
Fig. 6 is a fragmentary elevation ofpa portionof the lower sash. Y.
Fig. 7 is a fragmentary perspective of a portion of the pivoted rack'bar. V
Fig. 8 is a cross-sectional view through my removable inner stop at its point of attachment to the jamb.
Fig. 9 is a' perspective of'a portion of the securing-means for my removable inner stop. In the preferred {construction shown. in the drawing, theup rlsash is indicated as sliding movement, the opposed jamb menu bers of the frame being indicated as 12, the outer stops as 13, the parting stops as 14, and the innerstops as 15. v 1
I omit the weights and pulley cordsfusually found in this type of window construc-- tion and provide operating mechanism comprising a rotatably supported drive shaft 16 extending transversel thewindow frame betweenthe meeting rai s of the upper and -10; the side rails ticreof as '10? and the" I I lower'sashes on a line with the parting stops 14. This shafthas a hearing at each end in a plate 17 which plate is suitablyattached to the window jamb 12 and mounted on the shaft at each end to rotate therewith. Adjacent the outer face of each plate 17 is a rack pinion 18." These pinions engage rack bars 19 secured to the side rails 10 of the upper sash. The rack bars extend longitudinally the side rails and lie in the plane of the sash anda're turned over f the edge of the side rails as hereinafter described.
Similarly secured to the side'rails of the lower sashare rackbars 20. However, in
order that the upper sash may be operated independently of the lower sash, the rack bars 20 secured to the side rails 11 of the lower sash are provided at their upper ends with pivoted extensions 21 which project above the meeting rail 11", as shown in Figs.
6 and .7, so as to permit movement of'this pivoted. section 21 in a plane parallel the plane of the sash and out of engagement with the rack pinion-18, thereby permitting 'to form. the box which encloses the gear 2:3 and to the other side 2-9 of this U'piece is.
slidably secured the member 26, which member 26 is provided with projecting ears 27 which ears engage in the teeth of the gear 22 to prevent rotation thereof. The centrally-disposed ear is turned over as at 28 and provided with a head 29v which engages-in a slot 30 in the side portion 24". At the other end member 2-6 is provided with a turned-over arm 31 having a head 32 which engages in a slot 33 likewise formed in the side portion 2%. This form of attachment of the member 26. to the side portion 24 permits a limited guided movement of the member 26 relative the side portion 24" and in a direction longitudinally the shaft 16, or so as to be moved in and out of the locked relationship with the gear 22. A spring 34 is provided which exerts a constant yielding tension tending to hold the locking member 26 inwardly toward the gear22. r
This member 26 is provided with an opening 38 adapted to receive the end of the removable hand crank 35. has a loose fit in a bearing 36 which hearing is attached to. the window casing 37. The crank is so shaped at the working end, here shown as being squared, as to pick up .the gear 23 which is similarly formed, so
that this gear 23 will rotate with the crank. Because of the loose fit of the crank in the bearing, the crank is movable to enter the opening 38 in member 26, though such opening is out of alignment with the opening through the fixed bearing 36 and the opening for the crank through the side portion 24 The normal position of the locking member 26, when under the influence of the spring 34:. is such that the opening 38 through this locking member is out of alignment with the openings above mentioned. The crank forms a sliding engagement with the side wall of member 26. through the -opening 38 so that when it is inserted through the opening 38 the member 26 is retracted against the tension of spring 34 sufiiciently for the'end of the crank to find a bearing in the opening 39 in the side portion 24 of member 24. The crank holds the member 26 out of engagement with the ear 22, thereby releasing such gear and the shaft 16 to rotation'to permit operation of the upper and lower window sashes. Rotasash lifted. 6 However, if
The crank 35 tion of the crank drives the' shaft 16' through the medium of gears 23 and 22 which are constantly in engagement with each other. When the crank is rotated the upper sash will be lowered and the lower it is desired merely to operate theupper sash, the pivoted sections 21 of the rack bars '20 may be moved to one side out of engagement with the rack pinions 18'permitting independent operation of the upper sash.
Projecting "laterally from the plates 17 into the path of the; sliding sashes are pins -16 upon which are mounted rotary bearings 47 which travel in provided guideways 48 formedon the sliding face of the sashes. The rack bar 1.9 of the upper sash and 20 of the lower sash isturned over the. edge of the side rail of each sash and forms a bearing engagement with these rollers.
The guideway itself in which the rollers travel may be lined with a metal sheath 49, if desired.
In orderto permit access to the lower sash for removal thereof, 1 have provided an improved type of stop and securing means. The jamb is recessed as at 40 and seated therein is a plate 41 slotted as at42 and provided with beveled faces 43 on each side of the slot. vided with a transverse head 45 extends through an opening in the stop memberl5 into the recess 40 and may be rotated so that the head 45 engages the sloping portions 43 of the plate drawing the entire stop inwardly into close fitting engagement with the iamb. It is apparent that the pin may be rotated so as to be completely removed from its engagement with the jamb. The outer bearing plate 46 may be secured to the inner stop to prevent defacing the stop through the operation of the pin.
Vhat I claim is: V
' 1. The combination in mechanism, of a window frame fitted with upper and lower sliding sashes, a rotatable drive shaft extending frame between the meeting rails of said sashes andprovided with a rack pinion at each end, adjacent faces of the side rails of said sashes provided with rack bars extending longitudinally said side rails and being in the plane of the sash, and in en gagement with the rack pinions of'the drive shaft, each rack bar carried by the lower sash provided with a pivoted end extension which extends above the meeting rail of said sash and is adapted to be swung about its pivot through a plane parallel the plane of the sash and out of engagement with: the
corresponding rack pinion of the drive A securing pin 44 pro-' window operating transversely V the the window frame between the meeting rails of said sashes provided with pinions engaging said rack bars to raise and lower the sashes upon rotation of the shaft, thewrack bars on one of said sashes formed in two sections, one section rigid with the sash,
the other section pivoted thereto to be 16 swung out of the path of engagement with the p nion carried by the drive shaft to pellmit independent operation of one sash on v" In testimony whereof, I sign this specifil0 cation.
HERMAN C. BUJACK.
US550624A 1922-04-08 1922-04-08 Window-operating mechanism Expired - Lifetime US1494948A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538329A (en) * 1949-05-31 1951-01-16 Charles J Roos Window sash adjusting and holding device
US2587547A (en) * 1946-09-23 1952-02-26 Steingruber George Window construction
US2791420A (en) * 1955-01-24 1957-05-07 John R Provost Power window operator
US20070251150A1 (en) * 2006-04-28 2007-11-01 Fuji Electric Systems Co., Ltd. Movable body driving apparatus
US10829977B2 (en) 2016-10-18 2020-11-10 Pella Corporation Powered sliding door operator
US10900274B2 (en) 2016-09-02 2021-01-26 Pella Corporation Anti-rattle elements for internal divider of glass assembly

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587547A (en) * 1946-09-23 1952-02-26 Steingruber George Window construction
US2538329A (en) * 1949-05-31 1951-01-16 Charles J Roos Window sash adjusting and holding device
US2791420A (en) * 1955-01-24 1957-05-07 John R Provost Power window operator
US20070251150A1 (en) * 2006-04-28 2007-11-01 Fuji Electric Systems Co., Ltd. Movable body driving apparatus
US7971391B2 (en) * 2006-04-28 2011-07-05 Fuji Electric Systems Co., Ltd. Movable body driving apparatus
US10900274B2 (en) 2016-09-02 2021-01-26 Pella Corporation Anti-rattle elements for internal divider of glass assembly
US10829977B2 (en) 2016-10-18 2020-11-10 Pella Corporation Powered sliding door operator

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