US3370631A - Wood fastener - Google Patents

Wood fastener Download PDF

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Publication number
US3370631A
US3370631A US45619765A US3370631A US 3370631 A US3370631 A US 3370631A US 45619765 A US45619765 A US 45619765A US 3370631 A US3370631 A US 3370631A
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Grant
Patent type
Prior art keywords
fastener
portion
surface
head
body
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
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John J James
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DIAMOND EXPANSION BOLT CO Inc
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DIAMOND EXPANSION BOLT CO Inc
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/12Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
    • F16B37/122Threaded inserts, e.g. "rampa bolts"
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06Specially-shaped heads
    • F16B35/065Specially-shaped heads with self-countersink-cutting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/04Devices for fastening nuts to surfaces, e.g. sheets, plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955Locked bolthead or nut
    • Y10S411/956Automatic base clutch
    • Y10S411/957Biting tooth
    • Y10S411/959Bolt- or nut-carried

Description

Feb. 27, 1968 J. J. JAMES 3,370,631

ASTENER Filed May 17, 1965 Sheets-Sheet l INVENTOR- I OHN J 53 T 3 BY WWW Ml/u J. J. JAMES WOOD FASTENER Feb. 27, 1968 2 Sheets-Sheet 2 Filed May 17, 1965 T INVENTOR. Jcw/v J. JAMES E A77'DQIYEYS United States Patent M 3,370,631 WOOD FASTENER John J. James, Cranford, N.J., assignor to Diamond Expansion Bolt (10., Inc, Garwood, N..I., a corporation of New Jersey Filed May 17, 1965, Ser. No. 456,197 3 Claims. (Cl. 151-37) This invention relates to a threaded wood fastener and more particularly to a threaded wood fastener which can imbed itself in the surface of the wooden member in which it is mounted.

In securing together wooden structures such as crates and shipping containers, it has been common practice to employ wood fasteners having a comparatively wide flat head portion for engaging one surface of the wooden structure and a comparatively narrow shank body portion adapted to be threadedly engaged with another fastening device. For example, such wood fasteners have been provided with internally threaded bodies adapted to engage the threads of bolts, screws, U-bolts, etc.

Experience has shown that the wide flat head having a substantially square peripheral edge in section distributes the compressive load applied to the surface of the wood and protects it from excessive crushing. However, the wide fiat head can rotate with respect to the wood surface during installation of the bolt. To prevent this, certain wood fasteners have been provided which utilize stamped raised portions on the surface of the head which engages the wood surface to increase the frictional engagement of the fastener with the wood structure.

Whether the fastener with a wide flat head includes the raised portions or not, the head remains substantially above the surface during instllation. As a result the flat head with its square edges as viewed in section provides a substantial projection etxending from the surface of the wood. Where such a fastener is disposed upon the inner surface of a crate or a container, the projecting head can cause damage to the contents.

When wood fasteners of the type under discussion are installed, it is often necessary to drive the fastener by rotating it, rather than driving the member which is to engage the fastener. An example of this is the engagement of fasteners with the threaded legs of a U-bolt. Prior fasteners have included drive of wrench socket openings extending from the wide fiat head into the body with the geometrical form of the opening extending to the outer surface of the body adjacent to the head. Where the fastener is to be installed in a drilled hole or be driven while inserted in a drilled hole, the socket form at the etxernal surface of the body can interfere with insertion and the driving of the fastener.

It is therefore an object of the invention to provide a wood fastener having a head which merely projects to a limited extent beyond the adjacent surface of the wood.

It is another object of the invention to provide a wood fastener having a head which is formed to reduce interference with objects adjacent to it.

It is still another object of the invention to provide a wood fastener having a head conditioned to facilitate imbedded engagement thereof with the surface of the wood.

It is an additional object of the invention 'to provide a wood fastener having a head conditioned to enter the surface of the Wood as the fastener is driven.

It is a further object of the invention to provide a wod fastener having a body with an external form to facilitate insertion and rotation in a hole extending into the wooden surface.

In the embodiment of the invention, the fastener includes a body portion having a substantially circular transverse cross-section. The head portion of the fastener 3,376,631 Patented Feb. 27, 1968 extends radially outwardly from the body portion adjacent one end thereof. The radially extending surface of the head portion facing toward the body portion has radially extending teeth projecting therefrom for engaging the surface adjacent to an opening in WhlCh the fastener is inserted.

In another embodiment of the invention the body portion is substantially "tulip-shaped with a flared end and a narrow end. The head portion overlies the flared end.

In still another embodiment of the invention the head portion is rounded in order to eliminate any interference or injury to objects adjacent to it.

In an additional embodiment of the invention, the teeth are adapted to secure the fastener after installation I and also to counter-sink the surface of the member into which the fastener is installed.

Other features and advantages of this invention will become more apparent in the description which follows below when taken in connection with the drawings, which are as follows:

FIG. 1 is a plane view of the preferred embodiment of the invention;

FIG. 2 is a fragmentary vertical section view taken along line 2-2 in FIG. 1 and showing the substantially smooth cylindrical form of the body portion of the fastener.

FIG. 3 is a horizontal section view taken along the line 33 in FIG. 2 and showing the teeth of the head portion of the fastener;

FIG. 4 is a fragmentary side elevation view of one of the wedge-shaped teeth of the head portion;

FIG. 5 is a plane view of another embodiment of the fastener;

FIG. 6 is a fragmentary vertical section view taken along the line 66 in FIG. 5

FIG. 7 is a horizontal section view taken along the line 77 in FIG. 6; and

FIG. 8 is a horizontal section view of the fastener of the invention engaged with a U-bolt etxending through the corner portion of a structure being secured thereby.

The present invention comprises fastener 20 (FIGS. l3) having body portion or body 21 and a head portion or head 22 extending radially outwardly from the logitudinal axis of the body adjacent one end thereof. As shown in FIGS. 2 and 3, the body has a circular transverse cross-section which is progressively flared outwardly from the longitudinal axis of the body to form tuilpshaped portion 21a which connects the body to the head.

Surface 22a of head 22 (FIGS. 2 and 3) is provided with a plurality of pairs of teeth 23 which extend radially with respect to the head. Teeth 23 are blended into a terminal at the end of the tulip-shaped portion where it joins surface 22a of the head. In addition between the pairs of teeth 23, the head is also provided with teeth 24 which extend across surface 22:: and then across tulipshaped portion 21a. Inner ends 24a of teeth 24 are blended into the tulip-shaped portion.

As shown in FIGS. 2 and 8, fastener 20 is provided with threads 25 which extend along the surface of cavity 26. The threads are adapted during installation to engage a threaded member such as the threaded end portion of U-bolt 27.

When the fastener is used with a threaded member, such as U-bolt 27, it can be necessary to rotate or drive fastener 20 with respect to the threaded ends of the U- bolt. In order to accomplish this, socket 28 is provided within head 22. The transverse cross-section of the socket is of a form suitable to engage a conventional wrench key or driver. As shown in FIG. 2, the provision of tulipshaped portion 21a results in the wall thickness of body 21 gradually increasing toward the head so that the body has its greatest thickness in the vicinity of socket 28. Thus the fastener'is capable of withstanding the torque applied to sockets 28 by the driving tool.

As shown in FIG. 8, the circular cross-section of fastener 20, in conjunction with its progressively flared body,

that is the tulip-shaped portion, facilitates the insertion of the fastenerinto hole 29 into a member, such as wooden corner brace 30 of a crate or shipping container 31. Thus even where hole 29 closely fits body 21 of the fastener, it can be easily inserted into the hole and engaged with the threaded end portion of U-bolt 27.

With the driving tool inserted into socket 28, fastener 2!) can be rotated within hole 29 and threaded onto the end portion of the U-bolt. The flared construction of the body facilitates the gradual entrance of the fastener into the hole. As surface 22a of head 22 approaches surface 30a of the corner brace, teeth 24 advance into hole 29 and are adapted to mill or abrade away the wall of the hole. Subsequently the portions of teeth'23 and 24 which extend along surface 22a of the head come in contact with surface 30a of the corner brace. Again the teeth are adapted to mill or abrade the surface so that the fastener, as it is rotated, can operate in the manner of a countersinking tool. As a result, head 22'can come to rest after installation with surface 22a or at least teeth 23 and 24 imbedded in surface 30a of the brace.

During this phase of installation, the flared form of the body by providing increased thickness in the tulipshaped portion 21a enables the fastener, especially in the body portion, to Withstand the driving torque applied to cavity 28 and subsequently to withstand the tensile loads applied to the body in the region between the threads engaged to the U-bolt and head 22. Thus the flared section prevents stress concentrations in the transition of tensile forces from the body to the head.

Teeth 23 and 24 are wedge-shaped as shown in FIG. 4. Engagement of the teeth with the surface adjacent to the hole in which the fastener is being inserted, during rotation or driving of the fastener, enables the teeth to mill or countersink the surface so that the head of the fastener is at least partially imbedded into the surface. This causes the degree of projection of the head above the surface to be reduced and thereby reduces interference between head 22 with objects which are to be packed in the crate or container. In order to further prevent the possibility of injury to the objects placed adjacent to head 22, the head as shown in FIG. 2 is rounded from its outer periphery toward socket 28. As a result, the top portion of head 22 is substantially in the form of a portion of a toroid. Consequently when the fastener is installed and partially recessed into the surface adjacent to it, the rounded head is presented to the interior of the crate or container.

As shown in FIG. 4, the wedge-shaped section of teeth 23 and 24 is inclined with respect to surface 22a in a direction opposite to that of the rotation 'of the fastener during installation, The direction of rotation in relation to the inclination of the teeth is represented by an arrow in FIG. 4. Where threads 25 are right-hand threads requiring right-hand or clockwise rotation of the fastener during installation, the teeth are inclined in a leftward or a counterclockwise direction which is opposite to the direction of rotation of the fastener during the driving operation. An advantage of this inclined relationship is that once the fastener is installed, the surface of the tooth defined by angle A in FIG. 4 can serve as an abutment member which prevents rotation of the fastener in a direction opposite to that of its original driving. Therefore the surface defined by angle B encounters the surface adjacent to the hole in which the fastener is inserted during the driving of the fastener, and subsequently the surface defined by angle A jams the fastener from accidentally unthreading or loosening.

Fastener can be conveniently manufactured by diecasting the fastener from Zinc alloy. The flared form of the body, the rounded form of the head, and the substan- 4 tial elimination of corners except in socket 28 and adjacent to teeth 23 and 24, simplifies the die casting operation. In addition to enabling the fastener to be manufactured in the mass production and economical technique of die-casting, the use of a zinc alloy results in the fastener being substantially corrosion resistant.

In the embodiment of FIG. 7, the fastener 32 includes body portion or body 33 and head portion or head 34.

In fastener 32, body 33 is connected to head 34 by collar.

35 which forms socket 36, which is adapted to receive the wrench or driving tool. In order to maintain a sufficient wall thickness about socket 36, the outer surface of collar 35 substantially corresponds to the from of socket 36, such as a hexagon, as shown in FIGS. 5 and 6. As shown in FIG. 7, wedge-shaped teeth 37 are disposed in pairs which extend partway from the periphery of the head to collar 35. Between the pairs of teeth 37 there is provided teeth 38 which extend to the corner portions of the polygonal figure of collar 35. Similarly 'as with respect to the fastener 20, fastener 32 is provided with threads 39 which extend into cavity 40 adjacent to collar 35. Upon the installation of fastener 32, the countersinking and the locking action is confined to that of teeth 37 and 38 which extend across surface 340 of the head.

What is claimed is:

1. A threaded fastener comprising a hollow body portion being threaded at oneend portion thereof and hava circular transverse cross-section with a substantially smooth external surface through the length thereof, a head 7 portion extended radially outwardly from the longitudinal axis of said body portion adjacent the opposite end thereof, said head portion having an annular surface facing 'toward said body portion and disposed substantially in a plane extending at right angles to said longitudinal axis, said annular surface extending from the periphery of said head portion to adjacent said body portion, the other surface of said head portion opposite said annular surface :and said body portion adjacent thereto having a wrench opening centrally disposed therein and being rounded from the periphery of said head portion toward said opening, said body portion adjacent the other end portion thereof being progressively flared outwardly from said longitudinal axis thereof to blend into said annular surface of said head portion, said annular surface having elongated teeth projecting therefrom, the length of said teeth extending radially across said annular surface, at least some of said teeth extending beyond said annular surface to said flared body portion adjacent thereto, said teeth being adapted to countersink and subsequently engage the surface adjacent to an opening'in which the fastener is inserted.

2. A threaded fastener as set forth in claim 1 wherein said body portion is-tulip-shaped.

3. A threaded fastener as set forth in claim 1 wherein said teeth are directed in a direction opposite to the direction of the threading in said hollow body portion.

References Cited UNITED STATES PATENTS 638,326 12/1899 Farr 32 887,962 5/ 1908 Reisner 151-37 1,952,305 3/1934 Beck 15137 2,095,397 10/ 1937 Overmyer 15137 2,672,659 3/1954 Becker 151-41.75 2,959,204 11/1960 Rigot 151-37 2,234,667 3/ 1941 DAmico 854 FOREIGN PATENTS .f

948,945 2/ 1964 Great Britain.

CARL W. TOMLlN, Primary Examiner.

R. S. BRIITS, Assistant Examiner.

Claims (1)

1. A THREADED FASTENER COMPRISING A HOLLOW BODY PORTION BEING THREADED AT ONE END PORTION THEREOF AND HAVA CIRCULAR TRANSVERSE CROSS-SECTION WITH A SUBSTANTIALLY SMOOTH EXTERNAL SURFACE THROUGH THE LENGTH THEREOF, A HEAD PORTION EXTENDED RADIALLY OUTWARDLY FROM THE LONGITUDINAL AXIS OF SAID BODY PORTION ADJACENT THE OPPOSITE END THEREOF, SAID HEAD PORTION HAVING AN ANNULAR SURFACE FACING TOWARD SAID BODY PORTION AND DISPOSED SUBSTANTIALLY IN A PLANE EXTENDING AT RIGHT ANGLES TO SAID LONGITUDINAL AXIS, SAID ANNULAR SURFACE EXTENDING FROM THE PERIPHERY OF SAID HEAD PORTION TO ADJACENT SAID BODY PORTION, THE OTHER SURFACE OF SAID HEAD PORTION OPPOSITE SAID ANNULAR SURFACE AND SAID BODY PORTION ADJACENT THERETO HAVING A WRENCH OPENING CENTRALLY DISPOSED THEREIN AND BEING ROUNDED FROM THE PERIPHERY OF SAID HEAD PORTION TOWARD SAID OPENING, SAID BODY PORTION ADJACENT THE OTHER END PORTION THEREOF BEING PROGRESSIVELY FLARED OUTWARDLY FROM SAID LONGITUDINAL AXIS THEREOF TO BLEND INTO SAID ANNULAR SURFACE OF SAID HEAD PORTION, SAID ANNULAR SURFACE HAVING ELONGATED TEETH PROJECTING THEREFROM, THE LENGTH OF SAID TEETH EXTENDING RADIALLY ACROSS SAID ANNULAR SURFACE, AT LEAST SOME OF SAID TEETH EXTENDING BEYOND SAID ANNULAR SURFACE TO SAID FLARED BODY PORTION ADJACENT THERETO, SAID TEETH BEING ADAPTED TO COUNTERSINK AND SUBSEQUENTLY ENGAGE THE SURFACE ADJACENT TO AN OPENING IN WHICH THE FASTENER IS INSERTED.
US3370631A 1965-05-17 1965-05-17 Wood fastener Expired - Lifetime US3370631A (en)

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Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600008A (en) * 1969-07-25 1971-08-17 Robert L Barry Self-locking outlet box connector
US4033243A (en) * 1976-01-30 1977-07-05 Textron, Inc. Container fastener system
US4231279A (en) * 1978-07-10 1980-11-04 Theriot Joseph E Adaptive washer and bolt assembly
US4361997A (en) * 1980-02-25 1982-12-07 Textron Inc. Fastener plate and assembly
US4574551A (en) * 1984-05-23 1986-03-11 Giannuzzi Louis Load-bearing plate
US4820235A (en) * 1987-07-28 1989-04-11 Hirsh Company Threaded fastener
EP0476158A1 (en) * 1990-08-15 1992-03-25 U-Haul International, Inc. Extended grip range fastener and driver
US5183359A (en) * 1992-05-12 1993-02-02 Illinois Tool Works Inc. Rotary fastener with anti-strip-out nibs
WO1996038676A1 (en) * 1995-05-29 1996-12-05 Ejot Verbindungstechnik Gmbh & Co. Kg Countersunk head screw
US5746560A (en) * 1997-03-31 1998-05-05 Illinois Tool Works Inc. Fastener having torque-absorbing ribs
US6318940B1 (en) * 2000-06-21 2001-11-20 Illinois Tool Works Inc. Fastener for self-locking securement within a panel opening
US6350094B1 (en) 1998-12-04 2002-02-26 Hitachi, Ltd. Bolt and a nut locking mechanism
US6488458B2 (en) 1996-02-23 2002-12-03 Hitachi, Ltd. Taper implant and a screw-fastening structure using a taper implant with female threads
DE19707276C2 (en) * 1996-02-23 2003-01-02 Hitachi Ltd Bonding arrangement and method for connecting two workpieces
EP1382864A1 (en) * 2002-07-18 2004-01-21 ITW AFC Pty Ltd. Screw for a dimpled zone
US6722830B2 (en) * 2001-08-03 2004-04-20 Hilti Aktiengesellschaft Fastener driving head
US20040086354A1 (en) * 2001-08-20 2004-05-06 Harris David A. Locking fastener assembly
US20040213646A1 (en) * 2001-08-20 2004-10-28 Gerard Jakuszeski U-bolt assembly
US20050105985A1 (en) * 2003-11-14 2005-05-19 John Fritsch U-nut fastening assembly
US20050123378A1 (en) * 2001-04-05 2005-06-09 Maclean-Fogg Company Decorative capped wheel nut or bolt assembly and method
DE19758689B4 (en) * 1996-02-23 2005-09-08 Hitachi, Ltd. connecting insert
US20050281635A1 (en) * 2001-04-05 2005-12-22 Wilson Larry J Decorative capped wheel nut or bolt and method of assembly
US20060051182A1 (en) * 2001-08-20 2006-03-09 Gerard Jakuszeski Fastener assembly
US20060110232A1 (en) * 2001-09-06 2006-05-25 Maclean-Fogg Company Threaded fastener assembly
US20060133910A1 (en) * 2002-04-26 2006-06-22 Maclean-Fogg Company Fastener cap assembly and method
US20060216130A1 (en) * 2001-08-20 2006-09-28 Maclean-Fogg Company Fastener assembly
US20060226406A1 (en) * 2005-04-02 2006-10-12 Alabama Metal Industries Corporation Non-conductive fencing
WO2009092355A1 (en) * 2008-01-24 2009-07-30 Acument Gmbh & Co Ohg Threaded insert and vehicle component
US20110064540A1 (en) * 2009-09-17 2011-03-17 Mirco Walther Screw having underside cutters and pockets
US20110170980A1 (en) * 2006-01-10 2011-07-14 Mcgrade Stephen L Ballistic Resistant Fastener
US20110211934A1 (en) * 2010-02-26 2011-09-01 Mirco Walther Screw having underside pockets
NL2012326C (en) * 2014-02-25 2015-08-26 Viventus Holding B V Bus intended for directly or indirectly connecting a blade root of a wind turbine blade to a hub of a turbine.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US638326A (en) * 1899-04-08 1899-12-05 Edward L Farr Printing-machine for oil-cloth, linoleum, & c.
US887962A (en) * 1907-07-05 1908-05-19 Hermann Reisner Bung-bushing for casks.
US1952305A (en) * 1931-12-29 1934-03-27 Charles M Mitchell Lock nut
US2095397A (en) * 1936-06-17 1937-10-12 George J Overmyer Handle
US2234667A (en) * 1938-06-27 1941-03-11 D Amico Peter Wooden barrel
US2672659A (en) * 1950-05-05 1954-03-23 United Carr Fastener Corp Captive nut fastener assembly
US2959204A (en) * 1958-06-18 1960-11-08 Burdsall & Ward Co Threaded fastener with biting teeth and bearing platform
GB948945A (en) * 1961-02-09 1964-02-05 United Carr Fastener Corp Improvements in or relating to nuts for assembly into apertured supports

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US638326A (en) * 1899-04-08 1899-12-05 Edward L Farr Printing-machine for oil-cloth, linoleum, & c.
US887962A (en) * 1907-07-05 1908-05-19 Hermann Reisner Bung-bushing for casks.
US1952305A (en) * 1931-12-29 1934-03-27 Charles M Mitchell Lock nut
US2095397A (en) * 1936-06-17 1937-10-12 George J Overmyer Handle
US2234667A (en) * 1938-06-27 1941-03-11 D Amico Peter Wooden barrel
US2672659A (en) * 1950-05-05 1954-03-23 United Carr Fastener Corp Captive nut fastener assembly
US2959204A (en) * 1958-06-18 1960-11-08 Burdsall & Ward Co Threaded fastener with biting teeth and bearing platform
GB948945A (en) * 1961-02-09 1964-02-05 United Carr Fastener Corp Improvements in or relating to nuts for assembly into apertured supports

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600008A (en) * 1969-07-25 1971-08-17 Robert L Barry Self-locking outlet box connector
US4033243A (en) * 1976-01-30 1977-07-05 Textron, Inc. Container fastener system
US4231279A (en) * 1978-07-10 1980-11-04 Theriot Joseph E Adaptive washer and bolt assembly
US4361997A (en) * 1980-02-25 1982-12-07 Textron Inc. Fastener plate and assembly
US4574551A (en) * 1984-05-23 1986-03-11 Giannuzzi Louis Load-bearing plate
US4820235A (en) * 1987-07-28 1989-04-11 Hirsh Company Threaded fastener
EP0476158A1 (en) * 1990-08-15 1992-03-25 U-Haul International, Inc. Extended grip range fastener and driver
US5183359A (en) * 1992-05-12 1993-02-02 Illinois Tool Works Inc. Rotary fastener with anti-strip-out nibs
WO1996038676A1 (en) * 1995-05-29 1996-12-05 Ejot Verbindungstechnik Gmbh & Co. Kg Countersunk head screw
US6751851B2 (en) 1996-02-23 2004-06-22 Hitachi, Ltd. Fastening structure using a taper implant
US6609288B2 (en) 1996-02-23 2003-08-26 Hitachi, Ltd. Taper implant and a screw-fastening structure using a taper implant with female threads
DE19758689B4 (en) * 1996-02-23 2005-09-08 Hitachi, Ltd. connecting insert
US6591475B2 (en) 1996-02-23 2003-07-15 Hitachi, Ltd. Method for fixing a taper implant to a receiving member
US6488458B2 (en) 1996-02-23 2002-12-03 Hitachi, Ltd. Taper implant and a screw-fastening structure using a taper implant with female threads
DE19707276C2 (en) * 1996-02-23 2003-01-02 Hitachi Ltd Bonding arrangement and method for connecting two workpieces
EP0869288A1 (en) * 1997-03-31 1998-10-07 Illinois Tool Works Inc. Fastener
US5746560A (en) * 1997-03-31 1998-05-05 Illinois Tool Works Inc. Fastener having torque-absorbing ribs
US6350094B1 (en) 1998-12-04 2002-02-26 Hitachi, Ltd. Bolt and a nut locking mechanism
US6318940B1 (en) * 2000-06-21 2001-11-20 Illinois Tool Works Inc. Fastener for self-locking securement within a panel opening
US20050281635A1 (en) * 2001-04-05 2005-12-22 Wilson Larry J Decorative capped wheel nut or bolt and method of assembly
US20050123378A1 (en) * 2001-04-05 2005-06-09 Maclean-Fogg Company Decorative capped wheel nut or bolt assembly and method
US6722830B2 (en) * 2001-08-03 2004-04-20 Hilti Aktiengesellschaft Fastener driving head
US20060216130A1 (en) * 2001-08-20 2006-09-28 Maclean-Fogg Company Fastener assembly
US20040213646A1 (en) * 2001-08-20 2004-10-28 Gerard Jakuszeski U-bolt assembly
US20040086354A1 (en) * 2001-08-20 2004-05-06 Harris David A. Locking fastener assembly
US8011866B2 (en) 2001-08-20 2011-09-06 Maclean-Fogg Company Locking fastener assembly
US20060051182A1 (en) * 2001-08-20 2006-03-09 Gerard Jakuszeski Fastener assembly
US20060110232A1 (en) * 2001-09-06 2006-05-25 Maclean-Fogg Company Threaded fastener assembly
US20060133910A1 (en) * 2002-04-26 2006-06-22 Maclean-Fogg Company Fastener cap assembly and method
EP1382864A1 (en) * 2002-07-18 2004-01-21 ITW AFC Pty Ltd. Screw for a dimpled zone
US20050105985A1 (en) * 2003-11-14 2005-05-19 John Fritsch U-nut fastening assembly
US20060226406A1 (en) * 2005-04-02 2006-10-12 Alabama Metal Industries Corporation Non-conductive fencing
US20140093331A1 (en) * 2006-01-10 2014-04-03 Stephen L. McGrade Ballistic Resistant Fasterner
US20110170980A1 (en) * 2006-01-10 2011-07-14 Mcgrade Stephen L Ballistic Resistant Fastener
WO2009092355A1 (en) * 2008-01-24 2009-07-30 Acument Gmbh & Co Ohg Threaded insert and vehicle component
US20100290865A1 (en) * 2008-01-24 2010-11-18 Acument Gmbh & Co. Ohg Threaded Insert and Vehicle Component
CN101970890B (en) 2008-01-24 2012-10-03 瑞阿全球紧固件股份公司 Threaded insert and vehicle component
US8376677B2 (en) 2008-01-24 2013-02-19 Acument Gmbh & Co. Ohg Threaded insert and vehicle component
US20110064540A1 (en) * 2009-09-17 2011-03-17 Mirco Walther Screw having underside cutters and pockets
US9086088B2 (en) 2009-09-17 2015-07-21 Illinois Tool Works Inc. Screw having underside cutters and pockets
JP2013505401A (en) * 2009-09-17 2013-02-14 ウォルサー、ミルコ Screw with a cutter and pocket seating surface
US20110211934A1 (en) * 2010-02-26 2011-09-01 Mirco Walther Screw having underside pockets
US8591159B2 (en) 2010-02-26 2013-11-26 Illinois Tool Works Inc. Screw having underside pockets
WO2015130162A1 (en) * 2014-02-25 2015-09-03 Viventus Holding B.V. Bushing intended for connecting a blade root of a wind turbine blade directly or indirectly to a hub of a turbine
NL2012326C (en) * 2014-02-25 2015-08-26 Viventus Holding B V Bus intended for directly or indirectly connecting a blade root of a wind turbine blade to a hub of a turbine.

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