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Publication numberUS890436 A
Publication typeGrant
Publication dateJun 9, 1908
Filing dateOct 11, 1907
Priority dateOct 11, 1907
Publication numberUS 890436 A, US 890436A, US-A-890436, US890436 A, US890436A
InventorsChristian Momberg
Original AssigneeChristian Momberg
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Matched flooring.
US 890436 A
Images(1)
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Description  (OCR text may contain errors)

site Inargina edges of each stripbeing of comcHRIsTIAN MOMBERG, or cIIIoAGo, ILLINOIS.

MA'ICHED FLOORING.

To Aall whom 'it may concern: i*

Be it known that I, CHRISTIAN MOMBERG,

a citizen of the United States, and resident of Chicago, countyof Cook, and State of Illinois,

have invented certain new and useful Im-'" provements in Matched Flooring, of which the following is a specification, and which are illustrated in the accompanying drawings,

forming a part thereof.

.The invention relates to`wooden liooring wherein the meeting edges of adjacent boards or strips have intercalating tongues and grooves for roviding a firm joint, the oppoplementary form in order that, in building a i'loor, each strip, if pro erly placed, may be iitted with any other o similar form.

More particularly, the invention relates' to ilooring of that type in which the inarginal edges ofthe strips are so formed that a grooveis `rovide into whic therefore, a tongueA of substantially complementary form may be 'fitted with ease.

The obj ect of the invention is to provide a flooring of such improved form that itmay be readily manufactured in such machines as are now employed for the production of flooring, that its intercalating arts may be easily iitted to ether to form a In joint but little affected y a wearing away of the u per surface of the. floor for a considerab e depth,

whilev in each strip provision is made for the driving ofnails for securing the flooring in position at such a oint that a splitting out of the Wood is not likely to'be effected.

In the accompanying drawings,-Figure 1 is a pers ective vlew vshowin a. detail of wooden ooring embodyingl t et invention; Fig. 2 is a sectional view of the flooring, and shows a detail of a su porting member therefor; and Fig. 3 is simi ar to Fig. 2, but shows a slight modication in the construction.

'The flooring provided by the invention is preferably made in stri s as 10,- 11, 12, the

ongitudinal marginal e ges, as 13, 14, of the strips being of complementary form to mate or match Witl the meetin edges of. adjacent strips. As shown, the ecglges 413, 14 of the strips 10, 11 and 12 have a tongue 15 and groove 16, respectively.

In carrying out the Inventlon, the mouth .ofthe groove 16 is made arin by inclining v.the edge 14 above and below t e groove, as

indicated at 17, 18, the incline 18 above the Specification of Letters-Patent. Application filed October 11, 1907. Serial Nh. 397,003.

' of floo having flaring Walls, and

groove being,l however, `preferablyI termi- PatentedJune'B, 1908. f

nated at 19, and the remaining portion 20 Y of the marginal edge 14being inchned in the reverse direction in the -particular forms of construction illustrated inthe drawings.

' -Themarginal edge 13-of each of thestrips,l

Issubstantially complementary 1n form to. t at just described, there being oppositely-inclined portions 21, 22 above and elow the ton e 15 at lits base, while, as shown, the inc e 21 above the tongue is re' versed, as indicated at 23.. Preferably, the

inclined portion 20 of the edge 1`4 is somewhat steeper than the corresponding portion 23 of the edge 13, in order that adjacent stri s when fitted to ether may contact first at t e surface of the ooring produced. This feature of the construction is somewhat eX- erated in the drawings for the purpose 'of'` a ilIlIstration. 4

The construction provides a tongue and groove having the u sual width of contacting surface, whereby a I'irm joint is efec'ted,

while by reason of the flarin mouth provided fr the groove 16, the d' c ultyheretofore encountered in fitting matched Viio'oring havin a tongue and groove is avoided.

Na' s 24 for securing the floor to a suitable support, as the oist 25, may be entered upon the surface 21, there fbeing less liability of splitting the materialfrom which the flooring is formed if nails areentered upon such a surface than if entered at the base of an abrupt angular turn the surface. Furthermore,

by the Haring form provided at the base of.v

the ton e 15, that part of the strip througli which t e nail passes has sufficient body to prevent the splitting 0H of the tongue by the driving of the nail. By reason of the for. wardly inclined portion 23 provided upon the marginal ed e 13 above the tongue, the effective ,Width o the strip is but little reduced in theformation of the tongue, While the invenv tion further provides a construction of flooring in which the ton e and grooves of meeting edges may be su ciently remote from the surface of the floor to permit of a wearing away of the oor to a considerable depth without reducing the strength of the j oints." If desired, the meeting edges 13, 14 of the .stri s 10, I1, 12may be rounded at the base of t e tongue 15 and adjacent the mouth of the groove 16, as indicated at 26, 27, Fig. 3.

I claim as my invention,- 1. In combination, two iio'or members, a

marginal ed e of one of the members being longitudina. y grooved and backwardly inclined above the groove, the top and bottom Walls of the groove being substantially hori' zontal ad'acent the'base of the y 1groove and flaringr a jacent the mouth of t e groove,

anda marginal edge of the other floor member being substantially complementary in fprm. r2. In combination, tWo floor members, a

marginal edge of one of the members being longitudinal y grooved and backwardly inclined above the groove, the top and bottom- A walls of the groove being substantially horizontal adjacent the base of the groove and flaring adjacent the mouth' of the groove, the

A flarin bottom Wall of the groove being continue to the lower surface' of the oor member, and a marginal ed e of the other floor member being substantially complementary in form. Y

3. In combination, two floor members adapted to be juxta osed in service, the con tactmg face of one 'o the members being beveled and provided intermediate its upper and lower marginal edges with a tongue, the

parts of the beveled face above and below the ton e being substantially parallel but out of a inement and the contacting face of soo/13 the other iioor member being substantially complementary in form.

4. In combination, two `floor members adapted to be juxta osed in service, the contacting face of one o vthe members being beveled and provided intermediate its upper and lower marginal edges With a tongue, the

parts of the beveled face above and below v first-named member.

-5. In combination, two oor members adapted to be juxtaposed in service, the contactlng face of one of the members having a projecting tongue, the up er -face of theVv tongue being substantially orizontal adj acent its point and upwardly inclined adjacent itsl base to provideanailing surface, .andthe I contacting face of the other member beingsubstantially com lementary in form.

C ISTIAN MOMBE-RG Witnesses: w j

CHARLES B. GILLsoN, Louis K. GILLsoN.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2512029 *Jan 9, 1945Jun 20, 1950Designers For Industry IncBuilding construction
US2644204 *Jun 26, 1950Jul 7, 1953John C F MerrifieldWood wall structure
US4831806 *Feb 29, 1988May 23, 1989Robbins, Inc.Free floating floor system
US4995210 *May 16, 1989Feb 26, 1991Robbins, Inc.Free floating floor system and method for forming
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Classifications
Cooperative ClassificationE04F13/0864