US798706A - Dowel-joint. - Google Patents

Dowel-joint. Download PDF

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Publication number
US798706A
US798706A US21441004A US1904214410A US798706A US 798706 A US798706 A US 798706A US 21441004 A US21441004 A US 21441004A US 1904214410 A US1904214410 A US 1904214410A US 798706 A US798706 A US 798706A
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US
United States
Prior art keywords
dowel
mortise
stile
joint
stock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US21441004A
Inventor
Byrd C Rockwell
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Rockwell Manufacturing Co
Original Assignee
Rockwell Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rockwell Manufacturing Co filed Critical Rockwell Manufacturing Co
Priority to US21441004A priority Critical patent/US798706A/en
Application granted granted Critical
Publication of US798706A publication Critical patent/US798706A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
    • F16B7/0413—Clamping or clipping connections for rods or tubes being coaxial for tubes using the innerside thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/46—Rod end to transverse side of member
    • Y10T403/4602—Corner joint
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section
    • Y10T403/557—Expansible section

Definitions

  • This invention relates to dowel-joints, and has for its object to provide an improved joint of this character which is capable of being conveniently assembled and does not require the employment of any Vfastening' means additional to the inertise and the dowel.
  • Vhile the present joint has been especially designed for usein thenuinu'faeture of wooden doors, frames, and the like, it is of course capable of use in various relations.
  • Figure 1 is an elevation of a corner-joint having parts broken away to show the present form of joint.
  • Fig. Q is a detail perspective view of the dowel.
  • Fig. 3 is a sectional view illustrating one oi' the iiiortises employed in connection with the present invention.
  • the dowel 1 of the present invention is formed of wood and substantially rectangular in cross-section, so as to prevent turning of the same within the stock to which it is applied and in some instances is square and in other instances oblong.
  • Each end of the dowel is tapered, as at 2, to facilitate t-lie entrance thereof into a mortise, and one end is, furthermore, split or provided with a loiigitudinal bifurcation 3 for the reception of a wedge 1 to spread the split terminal of the dowel and insure a snug engagement thereof with the walls of the mortise.
  • That half of the dowel which is split or bifurcated is provided with edge notches 5, with their abrupt faces or shoulders facing toward the middle of thedowel and their beveled walls inclining toward the split end of the dowel.
  • Facef notches t3 are formed in the dowel at opposite sides of the bifurcation 3 and intermediate of the ends thereof.
  • the rail T is provided with a longitudinal niortise 8, and the notched end of the dowel is driven into the niortise until the wedges strikes the back of the mortise and-spreads the split portion of the dowel, so as to insure a snug engagement of the stock of the rail T with the face-notches G, the stock also expanding' into the notches 5, thereby to prevent endwise looseness of the dowel.
  • the stile E) is provided with a mortise consisting of offset members 10 and 1.1, the member 1l) being cut from the inner edge of the stock and the member 1,1 cut from the outer edge thereof, thereby producing shoulders 12 and 13, and when the smooth end portion of the dowel is driven into the mortise in the stile the beveled end of the dowel will be deflected by the shoulder 13 and directed into the outer mortise member 11, whereby the dowel will be bent, as indicated in Fig. 1, and expanded into the notches produced by the shoulders 1Q and 13, wlieieby the dowel will be held against endwise looseness in the stile.
  • the dowel is locked in the niortises by reason of the stock of the rail expanding into the notches of the dowel and by reason of the dowel being bent and expanded into the notches in the niortises of the stile, whereby the dowel is locked against endwise looseness without the employment of extraneous fastenings.
  • the wedge 1 can be employed in the rail only for the reason that the inner end of the mortise 8 is closed, and therefore has a wall against which the wedge may engage, while the mortise in the stile is open at opposite ends by reason of the fact that it is necessary to cut the mortise from opposite edges of the stile to produce the offset niortise members.
  • the wooden dowcls should be formed of stock which has been thoroughly dried to prevent shrinkage of the dowel, so that whatever shrinkage may occur will be in the stock having' the mortise, which will tend to grip the dowel more snugly, and thereby maintain a rigid assemblage of the parts regardless of climatic conditions and changes. Under these circumstances if the rail and stile IOO do not shrink the dowel may swell, which will bring about the. same result and maintain a tight joint.
  • end of the dowel which is not bifurcated will be smooth and free from notches; but I contemplate providing lnotches arranged for engagement With the shoulders 12 and 13 of the mortise in the stile.
  • the mortises in the rail and stile are set IO square with the stock and are angular in shape, as is the dowel that engages them, to permit the dowel to beso seated in the rail that the maximum resistance offered to 'the Wedge either by the growth of the grain or Width or' Ythe stock in the rail is easily obtained Without effecting the assemblage or' the stile members.
  • the mortise members l0 2O and 11 be ol'set longitudinally of the stile in order that the maximum lateral resistance of "f thefstile may be obtained.
  • a mortise and doWel-joint including a mortise having an offset portion and doxvel driven into the mortise and bent by an offset the rail, and a doWel-pin hav-ing oneiend p0r-V tion notched and driven into themortise of the railand its oppositeend .portion smooth and driven into the mortise oi' the stile and bent by the oiset portion thereof to grip theitenon against the shoulders v*produced Vby the offset portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)

Description

No. 798,706. PATENTBD SEPT. 5, 1905. B. C. ROGKWELL.
ttomegs @B11111111 Sill/MELE@ lprtrilhl'll UFFICE.
BYhl) (l. lt()(.`flilf\fllili, OF DICH LA, Alliil N S115, ASSI( NOlt '.l() ltOUvKll'ICLL MANUFAUTURING CO., A CORP()NATION OF Ahlx'ANSAS.
DOWEL-JOINT.
Specification of Letters Patent.
Patented Sept. 5, 1905.
Application filed June 27,1904. Serial No. 214,410.
in the county of Hot Springs and State of Arkansas, have invented a new and useiful Dowel-Jrnnt, of which the Vfollowing is a specification.
This invention relates to dowel-joints, and has for its object to provide an improved joint of this character which is capable of being conveniently assembled and does not require the employment of any Vfastening' means additional to the inertise and the dowel.
Vhile the present joint has been especially designed for usein thenuinu'faeture of wooden doors, frames, and the like, it is of course capable of use in various relations.
llritlh these and other objects in view the present invention consists in the combination and arrangement of parts as will be hcreinaf ter more Vfully described, shown in the accompanying drawings, and particularly pointed out in the appended claims, it being understood that changes in the form, proportion, size, and minor details may be made within the scope of the claims without departing' from the spirit or saciificiiig any of the advantages of the invention.
1n the accompanying drawings, Figure 1 is an elevation of a corner-joint having parts broken away to show the present form of joint. Fig. Q is a detail perspective view of the dowel. Fig. 3 is a sectional view illustrating one oi' the iiiortises employed in connection with the present invention.
Like characters of reference designate corresponding parts in each and every ligure of' the drawings.
The dowel 1 of the present invention is formed of wood and substantially rectangular in cross-section, so as to prevent turning of the same within the stock to which it is applied and in some instances is square and in other instances oblong. Each end of the dowel is tapered, as at 2, to facilitate t-lie entrance thereof into a mortise, and one end is, furthermore, split or provided with a loiigitudinal bifurcation 3 for the reception of a wedge 1 to spread the split terminal of the dowel and insure a snug engagement thereof with the walls of the mortise. That half of the dowel which is split or bifurcated is provided with edge notches 5, with their abrupt faces or shoulders facing toward the middle of thedowel and their beveled walls inclining toward the split end of the dowel. Facef notches t3 are formed in the dowel at opposite sides of the bifurcation 3 and intermediate of the ends thereof.
ln employing' the present invention Vfor 6o ,iointing door-frames the rail T is provided with a longitudinal niortise 8, and the notched end of the dowel is driven into the niortise until the wedges strikes the back of the mortise and-spreads the split portion of the dowel, so as to insure a snug engagement of the stock of the rail T with the face-notches G, the stock also expanding' into the notches 5, thereby to prevent endwise looseness of the dowel. The stile E) is provided with a mortise consisting of offset members 10 and 1.1, the member 1l) being cut from the inner edge of the stock and the member 1,1 cut from the outer edge thereof, thereby producing shoulders 12 and 13, and when the smooth end portion of the dowel is driven into the mortise in the stile the beveled end of the dowel will be deflected by the shoulder 13 and directed into the outer mortise member 11, whereby the dowel will be bent, as indicated in Fig. 1, and expanded into the notches produced by the shoulders 1Q and 13, wlieieby the dowel will be held against endwise looseness in the stile.
From the foregoing description it will be understood that the dowel is locked in the niortises by reason of the stock of the rail expanding into the notches of the dowel and by reason of the dowel being bent and expanded into the notches in the niortises of the stile, whereby the dowel is locked against endwise looseness without the employment of extraneous fastenings. The wedge 1 can be employed in the rail only for the reason that the inner end of the mortise 8 is closed, and therefore has a wall against which the wedge may engage, while the mortise in the stile is open at opposite ends by reason of the fact that it is necessary to cut the mortise from opposite edges of the stile to produce the offset niortise members. The wooden dowcls should be formed of stock which has been thoroughly dried to prevent shrinkage of the dowel, so that whatever shrinkage may occur will be in the stock having' the mortise, which will tend to grip the dowel more snugly, and thereby maintain a rigid assemblage of the parts regardless of climatic conditions and changes. Under these circumstances if the rail and stile IOO do not shrink the dowel may swell, which will bring about the. same result and maintain a tight joint.
Ordinarily that end of the dowel which is not bifurcated will be smooth and free from notches; but I contemplate providing lnotches arranged for engagement With the shoulders 12 and 13 of the mortise in the stile.
The mortises in the rail and stile are set IO square with the stock and are angular in shape, as is the dowel that engages them, to permit the dowel to beso seated in the rail that the maximum resistance offered to 'the Wedge either by the growth of the grain or Width or' Ythe stock in the rail is easily obtained Without effecting the assemblage or' the stile members.
In forming the mortise in the stile .care should be taken thatthe mortise members l0 2O and 11 be ol'set longitudinally of the stile in order that the maximum lateral resistance of "f thefstile may be obtained.
Having fully described the invention, what is claimed is- `l. A mortise and doWel-joint including a mortise having an offset portion and doxvel driven into the mortise and bent by an offset the rail, and a doWel-pin hav-ing oneiend p0r-V tion notched and driven into themortise of the railand its oppositeend .portion smooth and driven into the mortise oi' the stile and bent by the oiset portion thereof to grip theitenon against the shoulders v*produced Vby the offset portion.
In testimony that I claim the foregoing as my own I have hereto aiiixed .mysignature in the presenceof two Witnesses.
BYRD .0. ROOKWELL. lfitnesses:
D. D. -MADDRL GRovnR B.,Su1fr r1.
US21441004A 1904-06-27 1904-06-27 Dowel-joint. Expired - Lifetime US798706A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502359A (en) * 1967-11-24 1970-03-24 Donald E Lucci Jointing methods and means
US3519295A (en) * 1968-09-04 1970-07-07 United Carr Inc Fishing rod connector
US4129975A (en) * 1977-03-09 1978-12-19 Matrix Toys, Inc. Construction set having clip fasteners
US5161918A (en) * 1991-01-30 1992-11-10 Wedgerock Corporation Set-back retaining wall and concrete block and offset pin therefor
US5252017A (en) * 1991-01-30 1993-10-12 Wedgerock Corporation Setback retaining wall and concrete block and offset pin therefor
US20060130420A1 (en) * 2004-12-21 2006-06-22 Mcnear Jeffrey L Blocks for modular wall construction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502359A (en) * 1967-11-24 1970-03-24 Donald E Lucci Jointing methods and means
US3519295A (en) * 1968-09-04 1970-07-07 United Carr Inc Fishing rod connector
US4129975A (en) * 1977-03-09 1978-12-19 Matrix Toys, Inc. Construction set having clip fasteners
US5161918A (en) * 1991-01-30 1992-11-10 Wedgerock Corporation Set-back retaining wall and concrete block and offset pin therefor
US5252017A (en) * 1991-01-30 1993-10-12 Wedgerock Corporation Setback retaining wall and concrete block and offset pin therefor
US20060130420A1 (en) * 2004-12-21 2006-06-22 Mcnear Jeffrey L Blocks for modular wall construction
US7597504B2 (en) * 2004-12-21 2009-10-06 Mcnear Jeffrey Blocks for modular wall construction

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