|Publication number||US991722 A|
|Publication date||May 9, 1911|
|Filing date||Jul 31, 1909|
|Priority date||Jul 31, 1909|
|Publication number||US 991722 A, US 991722A, US-A-991722, US991722 A, US991722A|
|Inventors||Arthur E Hourd|
|Original Assignee||Arthur E Hourd|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (18), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
' A. E. HOURD. COMBINATION DOWEL AND TONGUE AND GROOVE JOINT.
3 APPLICATION FILED JULY 31, 1909.
' Patented May 9, 1911.
UNITE STATS nron.
ARTHUR E. HOUR/D, OF LONDON TOWNSHIP, M IDDLESEX COUNTY, ONTARIO, CANADA.
Specification of Letters Patent.
Patented May 9, 1911.
Application filed July 31, 1909. Serial No. 510,676.
To all whom it may concern:
Be it known that I. ARTHUR E. HOURD, a subject of the King of Great Britain, and a resident of the township of London, in the county of Middlesex, in the Province of Ontario, Canada, have invented a new, useful, and Improved Combination Dowel and Tongue-and-Groove Joint, of which the following is a specification.
This invention consists of the new, novel groove formed in one edge of said block or board, is shown, a hole is shown in thesame edge extending beyond said elongated groove and a chamfer is shown around said hole.
Fig. 2 is a perspective View of other pieces of a block or board. In this view a tongue block or board, and a chamfer is formed around said hole; and in the lower portion of this figuretwo boards are shown cut back to show the dowel pin. Fig. 3 is the side view of the dowel pin.' Fig. 4 is a perspec tive view of a modification in the construction of same showing elongated and lateral grooves thereon.
In the accompanying drawings :the numerals 1, 2 and 3 indicate blocks or boards, usually formed of wood but they may be formed of any suitable material preferred.
4 indicates an elongated groove, 5 a hole and 6 a chamfer or countersink around said hole,. and all are formed in one edge of a board or block as shown in Fig. 1.
7 indicates a dowel pin, which may be plain as shown in Fig. 3, or it may be formed with the oppositely arranged longitudinal grooves a, and short lateral grooves, I), leading therefrom andat right angles theretoas shown in Fig. 4, and said grooves a, and, b, in said dowel pin 7 are intended to be formed therein by compression, so tha't when said grooves are compressed in said dowel pin andthe latter comes in contact with the hot glue, the wood in these grooves a, and, b,
and when said chamfers or countersinks are will more or less expand and more or less fill the hole into which the dowel pins are driven. l
8 is a hole formed in the block or board as shown in Fig. 2, in which hole 8 a portion of the dowel pin 7 is inserted and secured; 9 is a chamt'er or countersink formed around said hole, and 10 is a tongue or fin formed on the same edge of they block or board as that in which the hole 8 is formed, and through which tongue or fin 10 the hole 8 extends into the board 2. In regard to said ch-a-mfers or countersinks 6 and 9, they may or may not be used as required, and when used they are for the purpose of'taking 01f the roughness formed around the holes 5 and 8.
11 indicateshot glue, cement or other adhesive preparation'inserted in the holes 5 and 8, which when the dowel pin 7 is inserted oozes out into-the chamfers or countersinks 6 and 9,. when the latter are used,
not used, said glue or other preparation oozes out onto said material of which the joint is formed. 7
In the lower cut away part of Fig. 2 the two edges of the blocks 2 and-3 are shown secured together by the dowel pinv -7 and by the glue, cement or other adhesive ,preparation used. i
In ordinary practice tongue and. groove joints and glue are employed to secure together the blocks or boards of seats and tanks of water closets, inwhich case the seats and tanks split or open atthis tonguev and groove joint, but in my invention a tongue or fin is formed, and a hole is bored through this tongue or fin and into' this block or board; and in the other block or board an elongated groove is formed on one edge and a hole is formed in the'same edge of said block or board beyond said elongated groove, and-hot glue, cement or other adhesive preparation and adowel pin are inserted in said holes to make the seat and tank of the watercloset firm and tight hot glue, cement'or other adhesive preparation'is inserted in said holes, and when said dowel pin is inserted therein, and driven in or home it becomes coated with glue, this together' with the tongue and groovejoint as described, makes a firm, secure and tight joint that moisture of any kind will have very little if any effect upon, one which will be simple, strong, durable and inexpensive to manufacture, it Will be inexpensive to manufacture because there will be little if any repairs required at this joint, in fact making the joint described in my invention stronger and tougher than the original Wood.
In the foregoing description this invention has been described in connection with the seats and tanks of water closets, but it may be used to join together blocks or pieces of any material used for any purpose.
Having thus described my invention, I claim A dowel pin provided with oppositely arranged longitudinal grooves and short circumferentially extending grooves leading at right angles therefrom, the ends of said latter grooves lying in spaced relation with respect to the oppositely arranged grooves, the material forming all of said grooves being compressed, and an adhesive coating; said compressed material adapted to expand upon receiving said coating.
In testimony whereof, I have signed in the presence of the two undersigned witnesses.
ARTHUR E. HOURD.
Witnesses: P. J. EDMUNDS, P. PREBBLE.
Copies ofthis patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, D. G.
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