One-piece metallic threaded insert

Details One-piece metallic threaded insert One-piece metallic threaded insert

2002-09-05

2004-02-17

Hartmann, Gary S. (Department: 3671)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Threaded fastener locked to a discreet structure

Nut, and means to engage substructure on its opposite faces...

C411S453000, C411S455000

Reexamination Certificate

active

06692207

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention deals with the field of inserts which are formed of a material normally harder than the material of the carrier substrate. These inserts are designed for placement into the carrier substrate to provide a location of attachment of various devices secured with respect to the internal threads defined inside the insert. Normally this type of insert is used in most situations where the carrier base material is not the type of material that would form a long term means of securement due to the softness of the material itself. Thus the present invention provides a hardened insert for placement into the softer material providing a more reliable and longer lasting means of securement. Such inserts can be utilized when placement into rubber, wooden or other thin metallic materials but is most preferably used placed into thermoplastic materials to provide a means of securement thereto.
2. Description of the Prior Art
Numerous devices have been designed for providing metallic inserts which can be placed into a carrier substrate and have been patented such as U.S. Pat. No. 2,815,058 patented Dec. 3, 1957 to R. Neuschotz on a “Split Sleeve Type Locking Insert With Inwardly Deformed Thread And Longitudinal Key”; and U.S. Pat. No. 2,855,970 patented Oct. 14, 1958 to R. Neuschotz on an “Insert Having Frictionally Retained Key Which Upsets Threads Of Base Member”; and U.S. Pat. No. 2,958,358 patented Nov. 1, 1960 to R. Neuschotz on a “Threaded Element With U-Shaped Locking Key”; and U.S. Pat. No. 3,039,508 patented to W. E. Greene on Jun. 19, 1962 on a “Wedge Locked Insert”; and U.S. Pat. No. 3,103,962 patented Sep. 17, 1963 to R. A. Neuschotz on a “Self-Locking Threaded Insert”; and U.S. Pat. No. 3,105,535 patented Oct. 1, 1963 to M. S. Czarnowski and assigned to Illinois Tool Works, Inc. on an “Insert Fastener”; and U.S. Pat. No. 3,233,645 patented Feb. 8, 1966 to R. Neuschotz on “Self-Aligning Inserts”; and U.S. Pat. No. 3,249,141 patented May 3, 1966 to R. Neuschotz on a “Deformed Locking Thread With Relieved Areas”; and U.S. Pat. No. 3,270,792 patented Sep. 6, 1966 to R. Neuschotz et al and assigned to Newton Insert Company on a “Threaded Element With Carrier Part Deforming Locking Key”; and U.S. Pat. No. 3,319,688 patented May 16, 1967 to J. Rosan et al and assigned to Rosan Engineering Corp. on an “Insert Having Hollow Locking Pins”; and U.S. Pat. No. 3,346,031 patented Oct. 10, 1967 to R. Neuschotz on “Threaded Elements And Locking Keys Therefor”; and U.S. Pat. No. 3,371,697 patented Mar. 5, 1968 to C. E. James and assigned to Newton Insert Co. on “Threaded Elements With Locking Keys”; and U.S. Pat. No. 3,404,717 patented Oct. 8, 1968 to J. Rosan et al on a “Locking Pin With Cap”; and U.S. Pat. No. 3,415,301 patented Dec. 10, 1968 to R. Neuschotz on “Self-Aligning Threaded Elements”; and U.S. Pat. No. 3,421,564 patented Jan. 14, 1969 to R. Neuschotz on a “Self-Aligning Threaded Fastener”; and U.S. Pat. No. 3,472,302 patented Oct. 14, 1969 to J. Rosan, Sr., et al on an “Insert With Prism Lock Pin”; and U.S. Pat. No. 3,513,896 patented May 26, 1970 to R. Neuschotz on “Threaded Fasteners Having Flanges”; and U.S. Pat. No. 3,616,829 patented Nov. 2, 1971 to L. A. Runton and assigned to Philips Screw Company on a “Hard Metal Insert For Soft Metal Bodies”; and U.S. Pat. No. 3,650,309 patented Mar. 21, 1972 to R. Neuschotz on “Structure And Use Of Fasteners Having Locking Keys”; and U.S. Pat. No. 3,667,526 patented Jun. 6, 1972 to R. Neuschotz on “Fasteners Having Locking Keys”; and U.S. Pat. No. 3,834,438 patented to T. Ziaylek, Jr. and assigned to Yardley Products on Sep. 10, 1974 on “Ultrasonic Inserts”; and U.S. Pat. No. 4,003,287 patented to T. Ziaylek, Jr. on Jan. 18, 1977 and assigned to Yardley Products Corporation on an “Insert Of The Self-Tapping Fluted Type”; and U.S. Pat. No. 4,143,579 patented Mar. 13, 1979 to T. Ziaylek, Jr. and assigned to Yardley Products Corporation on a “Metal Insert”; and U.S. Pat. No. 4,288,189 patented Sep. 8, 1981 to T. Ziaylek, Jr. and assigned to Yardley Products Corp. on a “Threaded Insert”; and U.S. Pat. No. 4,307,986 patented Dec. 29, 1981 to A. D. Barnsdale on “Inserts”; and U.S. Pat. No. 4,405,273 patented Sep. 20, 1983 to J. H. Ruhl et al and assigned to Huck Manufacturing Company on “Blind Fasteners”; and U.S. Pat. No. 4,645,394 patented Feb. 24, 1987 to D. M. While et al and assigned to LTV Aerospace And Defense Company on a “Fastener Apparatus”; and U.S. Des. Pat. No. Des.289,374 patented Apr. 21, 1987 to T. ziaylek, Jr. and assigned to Yardley Products Corp. on an “Insert”; and U.S. Pat. No. 4,767,249 patented Aug. 30, 1988 to R. W. Elcock et al and assigned to Rexnord Inc. on a “Self-Broaching Key”; and U.S. Des. Pat. No. Des.298,605 patented Nov. 22, 1988 to W. L. Colgan et al and assigned to Rexnord Inc. on an “Insert For Securing Fastening Devices”; and U.S. Pat. No. 4,815,907 patented Mar. 28, 1989 to H. L. Williamson et al and assigned to Hi-Shear Corporation on a “Fastener For Structures Made Of Composite Materials”; and U.S. Pat. No. 4,842,462 patented Jun. 27, 1989 to J. M. G. Tildesley and assigned to P.S.M. Fasteners Limited on “Diecast Screwthreaded Inserts And Method Of Making Them”; and U.S. Pat. No. 4,895,485 patented to B. A. Guevara et al on Jan. 23, 1990 and assigned to Rexnord Holdings Inc. on a “Locking Key For Threaded Insert”; and U.S. Pat. No. 4,962,806 patented Oct. 16, 1990 to D. A. Nottelmann et al and assigned to Textro, Inc. on a “Method Of Producing Non-Corrosive Headed Composite Fasteners”; and U.S. Pat. No. 5,028,189 patented Jul. 2, 1991 to D. N. Harley and assigned to Titus Tool Company Limited on an “Adjustable Fixing Device”; and U.S. Pat. No. 5,131,795 patented Jul. 21, 1992 to K. Kobusch and assigned to Bollhoff & Co. GmbH & Co. KG on a “Screw Threaded Insert”; and U.S. Pat. No. 5,209,888 patented May 11, 1993 to S. Shumada et al and assigned to Fukuvi Chemical Industry Co., Ltd. on a “Method For Producing FRP Screw-Like Fastening Elements”; and U.S. Pat. No. 5,246,322 patented Sep. 21, 1993 to L. Salice and assigned to Arturo Salice S.p.A. on a “Fastening Element Comprising A Dowel-Shaped Sleeve”; and U.S. Pat. No. 5,411,357 patented May 2, 1995 to D. P. Viscio et al and assigned to Emhart Inc. on a “Screw Thread Locking Insert”; and U.S. Des. Pat. No. Des.371,294 patented Jul. 2, 1996 to R. P. Anquetin and assigned to Black & Decker Inc. on a “Wall Plug”; and U.S. Pat. No. 5,865,581 patented Feb. 2, 1999 to S. M. Sadri et al and assigned to Huck International, Inc. on a “Free Running Prevailing Torque Nut”; and U.S. Pat. No. 6,079,921 patented to A. Gauthier et al on Jun. 27, 2000 and assigned to Societe de Prospection et d'Inventions Techniques Spit on an “Anchor Bolt For Friable Material”.
SUMMARY OF THE INVENTION
The present invention provides a one-piece metallic threaded insert fixedly positionable into a carrier substrate to facilitate securement with respect thereto. The insert includes a main body which is generally of a cylindrical shape which defines a central bore extending axially therethrough. This central bore will preferably define interior threading therealong to facilitate affixing of a threaded member with respect to the substrate by securement thereof to the one-piece metallic insert which itself is secured fixedly with respect to the carrier substrate.
The main body of the insert preferably includes a central axis extending axially through the central bore. The main body also defines an outer surface facing outwardly therearound and an inward surface within the central bore thereof. The main body defines an upper end and a lower end with the central bore extending axially therearound.
A plurality of outer ring members are included located on the outer surface of the main body which extend outwardly therefrom and therearound. These outer ring members include knurling sections thereon to facilitate securement of the main body with respect to the carrier substrate responsive to insertion of the insert therew

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