US442875A - Building - Google Patents
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- Publication number
- US442875A US442875A US442875DA US442875A US 442875 A US442875 A US 442875A US 442875D A US442875D A US 442875DA US 442875 A US442875 A US 442875A
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- US
- United States
- Prior art keywords
- joists
- joist
- ceiling
- construction
- building
- Prior art date
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- Expired - Lifetime
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- 238000010276 construction Methods 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 239000011505 plaster Substances 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 102100017923 ACOT12 Human genes 0.000 description 2
- 101710008266 ACOT12 Proteins 0.000 description 2
- 240000002027 Ficus elastica Species 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
Definitions
- My invention relates to improvements in the construction of buildings of various kinds; and one of the objects of the invention is to so arrange the parts thereof that they will lnot readily transmit shocks, "jars, or noises from one apartment. to another.
- a further object is to improve the structures so that the requisite strength can he obtained at the slightest cost and at the same time the transmission of noises can be prevented.
- Figure l is a side view illustrating my floor-joist adapted to be applied to a fioor and ceiling of an apartment in a house.
- Fig. 2 is a similar view at right angles to the ⁇ first.
- Fig. 3 shows my invention applied to a partition-wall, and
- Fig. 4t shows another and extended application of my invention.
- Fig. 5 is a sectional view showing the joist resting on the sills out of contact with the side wall of the house.
- A represents a tioor-joist which may be of any suitable width and thickness, according to the length thereof and the purposes for which they building is to be used. It is common to use comparatively heavy fioor-joists which in themselves are strong enough to support the floor, and to stay them by bridging or cross-braces from one joist to the other to prevent them from moving laterally. I have found, however, that by applying the braces c to one or both sides of the floor-joists in the mannershown-that is, extending them diagonally from edge to edge I can use a very much lighter iioor-joist to sustain the same amount of Weight than in the usual construction.
- This construction of floor-joists not only aids in strengthening the j oists, so as to more properly support the tioor, but admits of the second feature of my invention, which consists in the use of similar joists B, preferably provided with the braces b, for su pporting the ceiling of the room below.
- These joists are arranged intermediate between the floorjoists with their tops a little below the tops of the floor-joists and their bottoms extending slightly below the bottoms of the iioorjoists. so that there is no communication between the tloor-joists and the ceiling-joists.
- ceiling-joists may be arranged at equidistance apart and in some instances at every other space be- IOS tween the tloor-joists.
- 'lhey may also be made thinner or of less width than the tloor-joists, as they have but little weight beyond their own to support and are entirelyindependent of the tloor or any weight that may be thereon,
- ceiling-joists may extend an inch (more orlcss) lower than the ⁇ l'loor-joists, so that but a trifle more space is taken up by this combined arrangement than when the ceiling is secured directly to the iloor-joists.
- the cciling-joists rest directly upon the cross-bars (l, secured to the studding G. 'lhe floorjoists, however, are preferably separated therefrom by some sound-deadening device or non-conductor ot' sound, as D, which may be a block of india-rubber or similar matcrial, and the ends of the joists should not come in contact with the covering of the house or any other timber in the walls, and thus the tloor-joists and the lloor thereon are completely isolated from the walls ot the building, so that the sound will not be transmitted from the floor thereto.
- D sound-deadening device or non-conductor ot' sound
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Building Environments (AREA)
Description
G. FITCH.
(No Model.)
BUILDING.
No. 442,875. Patented Deo. 16, 1890.
mmm
Jl twmey d* ma Noms PET UNITED STATES PATENT OFFICE.
-GEORGE FITCH, OF LENOX, MASSACHUSETTS.
BUILDING.
SPECIFICATION forming part of Letters Patent No. 442,875, dated December 16, 1890.
Application filed May 3l, 1890.
T0 all whom, it may concern:
Be it known that I, GEORGE FITCH, a citiren of the United States, residing at Lenox, Berkshire county, State of Massachusetts, have invented certain new and useful Improvements in Buildings, of which the following is a specifica-tion.
My invention relates to improvements in the construction of buildings of various kinds; and one of the objects of the invention is to so arrange the parts thereof that they will lnot readily transmit shocks, "jars, or noises from one apartment. to another.
A further object is to improve the structures so that the requisite strength can he obtained at the slightest cost and at the same time the transmission of noises can be prevented.
For the purpose of carrying out these objects my invention consists in the various constructions and arrangemen ts of parts hereinafter more particularly set forth.
In the accompanying drawings, Figure l is a side view illustrating my floor-joist adapted to be applied to a fioor and ceiling of an apartment in a house. Fig. 2 is a similar view at right angles to the `first. Fig. 3 shows my invention applied to a partition-wall, and Fig. 4t shows another and extended application of my invention. Fig. 5 is a sectional view showing the joist resting on the sills out of contact with the side wall of the house.
It is well known that in the construction of buildings as usually made there is great liability to annoyance from the transmission of sounds or noises from one room to another, and especially is this true in the transmission of sounds from a room above toa room below. 'l`o overcome this objection many devices and arrangements have been suggested, all of which, so far as I am aware, embody a considerable expenditure of money and time in their construction. More than that, they usually result in making a thick partition-wall between the two rooms, occupying considerably more space than the ordinary Iiooring, and consequently increasing the cost of the building. I avoid these objections to a great extent in the construction herein described.
One of the distinguishing characteristics of my invention consists in a floor-joist which is strengthened or trussed by braces secured sei-a1 No. 353,732. (No man.)
to one or both sides thereof. Thus in the drawings, A represents a tioor-joist which may be of any suitable width and thickness, according to the length thereof and the purposes for which they building is to be used. It is common to use comparatively heavy fioor-joists which in themselves are strong enough to support the floor, and to stay them by bridging or cross-braces from one joist to the other to prevent them from moving laterally. I have found, however, that by applying the braces c to one or both sides of the floor-joists in the mannershown-that is, extending them diagonally from edge to edge I can use a very much lighter iioor-joist to sustain the same amount of Weight than in the usual construction. Y Moreover, this construction is very much cheaper than a joist having the same amount of strength cut in one piece. The braces running diagonally across the sides of the j oists tend to strengthen the joists, not only against vertical tiexion, but to a great extent against lateral flexion, and the ordinary bridging between the adjacent joists is therefore avoided. Sometimes I bring the ends of the braces d adjacent to each other near the middle of the joist, as indicated in dotted lines, Fig. l, the other ends of the braces extending to the lower edges of the joist near its ends. When, however, the joist is long, Ihave found it convenient to apply a straight portion a to the middle portion of the joist and to place the diagonal braces a at the ends of the joist.
This construction of floor-joists not only aids in strengthening the j oists, so as to more properly support the tioor, but admits of the second feature of my invention, which consists in the use of similar joists B, preferably provided with the braces b, for su pporting the ceiling of the room below. These joists are arranged intermediate between the floorjoists with their tops a little below the tops of the floor-joists and their bottoms extending slightly below the bottoms of the iioorjoists. so that there is no communication between the tloor-joists and the ceiling-joists. I have found that in this construction it is notnecessary to use as many ceiling-joists as there are iloor-joists, and the ceiling-joists may be arranged at equidistance apart and in some instances at every other space be- IOS tween the tloor-joists. 'lhey may also be made thinner or of less width than the tloor-joists, as they have but little weight beyond their own to support and are entirelyindependent of the tloor or any weight that may be thereon,
so that it is only necessary to make them ot' suliicient strength to prevent sagging of the ceiling. These ceiling-joists may extend an inch (more orlcss) lower than the `l'loor-joists, so that but a trifle more space is taken up by this combined arrangement than when the ceiling is secured directly to the iloor-joists.
In the drawings it will be seen that the cciling-joists rest directly upon the cross-bars (l, secured to the studding G. 'lhe floorjoists, however, are preferably separated therefrom by some sound-deadening device or non-conductor ot' sound, as D, which may be a block of india-rubber or similar matcrial, and the ends of the joists should not come in contact with the covering of the house or any other timber in the walls, and thus the tloor-joists and the lloor thereon are completely isolated from the walls ot the building, so that the sound will not be transmitted from the floor thereto.
In someinstances,especially where there is heavy and noisy machinery upon the upper tloor, I have found it desirable to lath and plaster on top of the furring of the-ceiling as well as on the under side. rlhus in Fig. 2 the t'urring E is shown applied dircctlytothe eeiling-joists, and the laths c and c' are applied on both sides of the turring, and the plaster ff is placed above and below the lathing. It is evident that in this construction the ceiling` will be less liable to crack or become injured i from any sagging or Vibration transmitted to the lloor than when the ceiling is connected directly to the floor-joists.
In putting up the studding or partitionwalls between the rooms the same general principle may be carried out as illustrated in Fig. 3, in which alternate studs G G are arranged slightly out of line with each other and the laths on each side are attached to every alternate stud, leaving a slight space between theintermediate studs and the laths on cach sido. In this way there is no connection between the two `faces of the partition, and sound will not he transmitted thereby, there being practically two separate walls between the two adjacent rooms, and the thickness of the wall is only increased about an inch more than in the common construction.
Sometimes it is desirable to have a double wall, providing space for a sliding door II, as indicated in Fig. l. In this construction the sliding door Il is hung upon one ot' the portions of the double partition, as I, while the other portion J maybe provided with a swinging door K, and thus a complete 'double partition separating the two adjacent rooms is furnished.
From the above description the general principles of my invention willbe understood, and it is evident that it may be applied in many and various ways to adapt it to the general plan or lconstruction ofthe particular structure in which it is used.
What I claim isl. In a building, the combination, with the Ylloor-joist provided with longitudinal brace.- pieees, of the independent ceiling-joist also provided with longitudinal braces and arranged between the flo'or-joists and projecting` slightly below the latter, substantially as described.
2. In a building, the combination, with the longitudinally-trusscd oor-joists, of the independent ceiling-joists arranged between the tloor-joists, the iloor-joists being isolated by sound-deadening devices. substantially as described.
In testimony whereof I have signed Ymy name to this specification in the presence ot two subscribing witnesses.
GEORGE FITCH.
\\'itnesses:
THOMAS Pos'r, vLnv C. MILLER.
Publications (1)
Publication Number | Publication Date |
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US442875A true US442875A (en) | 1890-12-16 |
Family
ID=2511770
Family Applications (1)
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US442875D Expired - Lifetime US442875A (en) | Building |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3089201A (en) * | 1961-08-28 | 1963-05-14 | Helfman Leroy | Method of making building structures |
EP3081713B1 (en) * | 2014-10-15 | 2020-03-25 | Keystone Lintels Limited | An improved floor/ceiling joist arrangement |
-
0
- US US442875D patent/US442875A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3089201A (en) * | 1961-08-28 | 1963-05-14 | Helfman Leroy | Method of making building structures |
EP3081713B1 (en) * | 2014-10-15 | 2020-03-25 | Keystone Lintels Limited | An improved floor/ceiling joist arrangement |
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