US639500A - Sash-balance. - Google Patents

Sash-balance. Download PDF

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Publication number
US639500A
US639500A US72024099A US1899720240A US639500A US 639500 A US639500 A US 639500A US 72024099 A US72024099 A US 72024099A US 1899720240 A US1899720240 A US 1899720240A US 639500 A US639500 A US 639500A
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sash
window
shaft
bar
balance
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US72024099A
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George Barnes
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00Accessories for sliding or lifting wings, e.g. pulleys, safety catches

Definitions

  • This invention relates to window-sashes balanced without the use of sash-cords and weights; and the chief object of my invention is to provide novel, simple, efficient, and economical means for balancing a sash and rigidly locking it in any position to which it may be moved--that is, closed or open or at any desired point between its opened and closed positions.
  • my invention involves the features of con 0 struction, the combination or arrangement of parts, and the principles of operation hcreinafter described and claimed, reference being made to the accompanying drawings, in which Figure 1 is an elevation of a window-frame and two sashes embodying my invention.
  • Fig. 2 is a similar view, partly in section, showing a window-frame and one sash only.
  • Fig. 3 is an elevation of a car-window frame so and sash; and Figs. 4 to 14:, inclusive, are detail sectional views of parts hereinafter explained.
  • A represents a twisted shaft formed with a number of spiral threads upon it arranged with a comparatively steep pitch.
  • These shafts may be of any preferred shapein crosssection, as illustrated in Figs. 11 to 14, so long as the requisite threads can be formed upon them and a nut or traveler B can be arranged to engage with them.
  • These nuts or travelers B may be secured upon the sash, while the twisted shafts A can be mounted in fixed hearings on the framework of the window.
  • One or more shafts can be used,-and they can be used one on one side only of the window-sash, as illustrated in Fig. 1, or one on each side, as in Fig. 2, or, if preferred, the shaft might be mounted in the center of the window, as in Fig. 3, this latter construction being that preferred for railwaycarriage doors, for instance.
  • a convolute or helical spring 0 is secured to one or both ends of the twisted shaft A and is arranged in such a manner as that when the window is lowered this spring or springs will be coiled up and will therefore subsequently assist in raising the sash, this latter being arranged to slide in vertical 8o guides in the usual manner and not being allowed to rotate with the shaft.
  • This construction is illustratedin Figs.
  • D represents a hinged flap, forming part of the window-frame and capable of being thrown back, as indicated by doto ted lines in Fig. 8, so as to admit of the sash being swung open, as also indicated by dottedlines in said Fig. 8.
  • Both sashes can be mounted in this way, if preferred, the parting-beads being made removable to allow the 5 upper sash to be swung inward like the lower one.
  • the bar is constructed 5 with two fingers E, spaced apart, so that they may be made to'embrace the spirally-threaded shaft or engage opposite flat end portions
  • the lock-bar is turned to swing its locking finger or fingers E in engagement with the spirallythreaded shaft, the latter is rigidly held stationary, and as the nut cannot now traverse the shaft the sash is locked in position wherever it may be.
  • This is desirable in sashbalances of the character referred to, as the sash can be safely left open for ventilation.
  • the lock-bar is jonrnaled in place and construoted as described, it is always in position l for use and cannot become lost or displaced. Itwill be understood that each ofthe rods shown in Figs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Door And Window Frames Mounted To Openings (AREA)

Description

No. 639,500. Patented Dec. I9, I899.
I G. BARNES.
SASH BALANCE.
pppp licahion filed June 12, 1899.)
' 12 lizfen 'r.
G eo rye-B 0,7 nes NITED ENT .ii rrront GEORGE BARNES, OF ALBERTPARK, VICTORIA, ASSIGNOR OF ONE-HALF TO ARTHUR STOUGHTON BLOOMFIELD, OF MELBOURNE, VICTORIA.
SASH -BALANCE.
SPECIFICATION forming part of Letters Patent No. 639,500, dated December 19, 1899.
Application filed June 12, 1899. Serial No. 720,240. (No model.)
To all whom it may concern.-
Be it known that I, GEORGE BARNES, inventor, a subject of the Queen of Great Brit- 'ain, residing at No. 230 Kerferd road, Al- 5 bert Park, near Melbourne, in the British colony of Victoria, have invented Improved Oontrivances for Counterbalancing Window- Sashes, Shutters, and the Like and for Securing Them in any Desired Position, (for which I I applied for a patent in Victoria on the 3d day of August, 1898, No. 15,416;in New South Wales on the 30th day of December, 1898, No. 8,910, in South Australia on the 3d day of January, 1899, No. 5,743, and in Great I5 Britain on the 27th day of December, 1898, No. 27,348, and for which Arthur Stoughton Bloomfield, incorporated accountant, a member of the firm of Fosbery & Bloomfield, also a subject of the Queen of Great Britain, re-
siding at No. 47 Queen Street, Melbourne, in
the said British Colony of Victoria, as my assignee applied for Letters Patent in Queensland on the 29th day of April, 1899, No. 4,923, and in Tasmania on the 28th day of April,
1899, No. 2,443, applications having also been sent for filing in \Vestern Australia and New Zealand, but the dates of filing andnumbers of such applications are not known, of which the following is a specification.
30 This invention relates to window-sashes balanced without the use of sash-cords and weights; and the chief object of my invention is to provide novel, simple, efficient, and economical means for balancing a sash and rigidly locking it in any position to which it may be moved--that is, closed or open or at any desired point between its opened and closed positions. To accomplish this object, my invention involves the features of con 0 struction, the combination or arrangement of parts, and the principles of operation hcreinafter described and claimed, reference being made to the accompanying drawings, in which Figure 1 is an elevation of a window-frame and two sashes embodying my invention. Fig. 2 is a similar view, partly in section, showing a window-frame and one sash only.
i Fig. 3 is an elevation of a car-window frame so and sash; and Figs. 4 to 14:, inclusive, are detail sectional views of parts hereinafter explained.
The same letters of reference indicate the same or corresponding parts in all the figures.
A represents a twisted shaft formed with a number of spiral threads upon it arranged with a comparatively steep pitch. These shafts may be of any preferred shapein crosssection, as illustrated in Figs. 11 to 14, so long as the requisite threads can be formed upon them and a nut or traveler B can be arranged to engage with them. These nuts or travelers B may be secured upon the sash, while the twisted shafts A can be mounted in fixed hearings on the framework of the window. One or more shafts can be used,-and they can be used one on one side only of the window-sash, as illustrated in Fig. 1, or one on each side, as in Fig. 2, or, if preferred, the shaft might be mounted in the center of the window, as in Fig. 3, this latter construction being that preferred for railwaycarriage doors, for instance.
A convolute or helical spring 0 is secured to one or both ends of the twisted shaft A and is arranged in such a manner as that when the window is lowered this spring or springs will be coiled up and will therefore subsequently assist in raising the sash, this latter being arranged to slide in vertical 8o guides in the usual manner and not being allowed to rotate with the shaft.
Provision is made for throwing back a part of the window-frame, so as to allow the sashframe to be swung inward in order to clean the outside of the glass or for any other purpose. This construction is illustratedin Figs.
1 and S, where D represents a hinged flap, forming part of the window-frame and capable of being thrown back, as indicated by doto ted lines in Fig. 8, so as to admit of the sash being swung open, as also indicated by dottedlines in said Fig. 8. Both sashes can be mounted in this way, if preferred, the parting-beads being made removable to allow the 5 upper sash to be swung inward like the lower one.
In order to rigidly lock the sash closed or opened or partially closed or opened, I provide an axially-oscillating lock-bar E, jour- 10o thereof, as best seen in Fig. 10.
naled in suitable bearings and having a latl erally-projecting locking-finger E at its inner end portion, which can be swung into or out i of engagement with the spirally threaded f shaft by oscillating the bar, as will be clearly k understood by reference to Figs. 9 and 10. i The outer end of the bar is provided with a i finger-piece or handle Eiby which to oscillate the bar. As shown, the bar is constructed 5 with two fingers E, spaced apart, so that they may be made to'embrace the spirally-threaded shaft or engage opposite flat end portions When the lock-bar is turned to swing its locking finger or fingers E in engagement with the spirallythreaded shaft, the latter is rigidly held stationary, and as the nut cannot now traverse the shaft the sash is locked in position wherever it may be. This is desirable in sashbalances of the character referred to, as the sash can be safely left open for ventilation. As the lock-bar is jonrnaled in place and construoted as described, it is always in position l for use and cannot become lost or displaced. Itwill be understood that each ofthe rods shown in Figs. 11, 12, 13, and let will be i twisted to provide a smooth spirally threaded rod substantially the same as that hereinbefore described, so that it will work easily in the nut, and the latter will traverse the rod and cause it to rotate, as before explained. The mere cross'sectional shape of the rod, as in Figs. 11 to 14, inclusive, is not material so long as the finished rod possesses a smooth accurate spiral thread to be traversed and caused to rotate by the nut.
Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is A sash balance and lock, consisting of the spirally-ihreaded, spring-impelled shaft, the nut traversing the shaft, and the oscillating lock-bar journaled in bearings, having a finger-piece on its outer end portion and provided with a laterally-projecting finger on its inner end portion swung into and out of engagement with the spirally-threaded shaft by oscillating said lock-bar, substantially as described.
GEORGE BARNES.
Witnesses:
EDWARD WATERS, EDWARD WATnns, Jnnr.
US72024099A 1899-06-12 1899-06-12 Sash-balance. Expired - Lifetime US639500A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084377A (en) * 1959-10-26 1963-04-09 Majik Ironers Inc Sash balance
US20090160862A1 (en) * 2005-10-13 2009-06-25 Tae Hyeon Kim Method and Apparatus for Encoding/Decoding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084377A (en) * 1959-10-26 1963-04-09 Majik Ironers Inc Sash balance
US20090160862A1 (en) * 2005-10-13 2009-06-25 Tae Hyeon Kim Method and Apparatus for Encoding/Decoding

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