US20050081473A1 - Adjustable metal frame - Google Patents

Adjustable metal frame Download PDF

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Publication number
US20050081473A1
US20050081473A1 US10/690,024 US69002403A US2005081473A1 US 20050081473 A1 US20050081473 A1 US 20050081473A1 US 69002403 A US69002403 A US 69002403A US 2005081473 A1 US2005081473 A1 US 2005081473A1
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United States
Prior art keywords
frame member
tube
threaded
adjustment
bolt hole
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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.)
Abandoned
Application number
US10/690,024
Inventor
David MacDonald
Original Assignee
Macdonald David J.
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 Macdonald David J. filed Critical Macdonald David J.
Priority to US10/690,024 priority Critical patent/US20050081473A1/en
Publication of US20050081473A1 publication Critical patent/US20050081473A1/en
Application status is Abandoned legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/56Fastening frames to the border of openings or to similar contiguous frames
    • E06B1/60Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
    • E06B1/6069Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening
    • E06B1/6076Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening of screw-type

Abstract

The present invention comprises a metal frame system wherein each frame member has one or more integral adjusters configured for selective extension from the frame member in a direction that is perpendicular to the length of the member. Each adjuster comprises a support bar or member having a threaded central passage aligned with a bolt hole through the frame member. The adjuster also comprises a pair of concentric tubes including a hollow outer tube and a fully threaded inner tube. The outer tube is positioned between the bar and the front edge and is spot welded to the bar. The inner tube is welded to a large washer providing a bearing surface and positioned behind the bar and is threaded through the central threaded bar passage. By rotating the inner threaded tube, the large washer is selectively positioned behind the bar a distance which may be adjusted.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates generally to metal frame assemblies such as door frames, window frames and the like and more particularly to an adjustable metal frame having an adjustment mechanism that permits attachment of the frame in a manner that can alter the frame dimensions during installation.
  • 2. Background Art
  • Modern residential and commercial building techniques make it extremely desirable to permit the fabrication and installation of metal frame assemblies such as door frames, window frames and the like into a pre-existing wood frame or steel frame structure in an expedient manner. As a result, metal frame assemblies have become extremely popular because they can be economically and expediently installed onto standing wood frame or steel frame studs, the individual metal frame assembly pieces being prefabricated and brought to the site. One significant advantage of using prefabricated metal framing systems is the fact that the various component surfaces may be readily manufactured to relatively stringent tolerances to provide smooth precise surfaces having appropriate dimensions and angles for the installation.
  • Despite such stringent tolerances, it is often necessary to adjust the dimensions between frame members to accommodate irregular or improperly dimensioned openings between wall structures where a door or window frame is to be installed. Door and window frames must be precisely dimensioned to received standard size doors and windows. However, it is common for the distances between the ends of adjacent walls where an opening is left to receive such frames, to be too large or otherwise imprecise such as not precisely parallel or perpendicular. Therefore, it is often necessary to adjust a frame member relative to the end of the opening to compensate for such errors during frame installation. For example, it is often necessary to adjust the extent to which a vertical door frame overlaps the end of an adjacent wall end, i.e, less overlap when the opening deviates more and more overlap when the opening deviates less. It is also often necessary to provide more overlap at one end of the vertical door than the other to offset a wall end which is not truly vertical. Conventionally, such adjustments are made by manually altering the frame member position during the installation process. However, there is an inherent difficulty for the installer in supporting the frame member for adjustment and installation simultaneously. Such difficulty often leads to mistakes that require removal and re-installation and in any case often adds considerably to the time required to complete a proper and accurate installation process.
  • It would therefore be highly advantageous to provide a metal frame system having frame members with a built-in adjustment feature that would permit the aforementioned adjusting capability in the frame member itself. Such an integral adjusting capability would permit an installer to provide precise door and window frame construction in a much more convenient and efficient manner than can shorten the installation process.
  • SUMMARY OF THE INVENTION
  • The present invention comprises a metal frame system wherein each frame member has one or more integral adjusters configured for selective extension from the frame member in a direction that is perpendicular to the length of the member. Each adjuster comprises a support bar or member having a threaded central passage aligned with a bolt hole through the frame member. The support bar is preferably spot welded across the interior of the frame member in a position parallel to the width of the member and spaced from the front edge of the member. The adjuster also comprises a pair of concentric tubes including a hollow outer tube and a fully threaded inner tube. The outer tube is positioned between the bar and the front edge and is spot welded to the bar. The inner tube is welded to a large washer providing a bearing surface and positioned behind the bar and is threaded through the central threaded bar passage. By rotating the inner threaded tube, the large washer is selectively positioned behind the bar a distance which may be adjusted. The inner tube is provided with a slot adjacent the frame member bolt hole. An adjusting tool may be inserted through the bolt hole from the front of the frame member and inserted into the slot in the inner tube to rotate it and thus adjust the position of the washer from the exterior of the frame member. The position of the washer determines the total depth of the frame member and thus the extent to which the front edge of the frame member extends from the end of a wall forming the opening into which the frame is installed.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The aforementioned objects and advantages of the present invention, as well as additional objects and advantages thereof, will be more fully understood hereinafter as a result of a detailed description of a preferred embodiment when taken in conjunction with the following drawings in which:
  • FIG. 1 is an elevational view of a typical door frame installed using the present invention;
  • FIG. 2 is a partially cross-sectioned, partially exploded view of an adjuster of the invention and its associated adjusting tool;
  • FIG. 3 is a cross-sectional view taken along lines 3-3 of FIG. 2;
  • FIGS. 4 and 5 are respective top cross-sectional views taken along lines 4-4 of FIG. 1 for two distinct degrees of adjustment;
  • FIG. 6 is a cross-sectional view of the adjuster of the invention showing the use of the adjusting tool; and
  • FIG. 7 is a cross-sectional view of an optional additional lower hinge adjustment device used to help bear the weight of the frame during installation.
  • DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT
  • Referring to the accompanying drawings, it will be seen that a door frame assembly 10 comprises a pair of vertical frame members 12 and a horizontal frame member 20. Each such frame member comprises at least one adjuster 14 which, as will be seen hereinafter, permits adjustment of the frame members relative to the adjacent walls 18 to accommodate a standard size door 15.
  • As seen best in FIGS. 2 through 6, each adjuster 14 comprises a rectangular bar 22 which is spot welded at spots 24 to the frame member 12. Each bar has a threaded hole 29 which is axially aligned with a bolt hole 13 in the frame member. Each adjuster also comprises an outer tube 26 and a concentric fully threaded inner tube 28. The outer tube 26 is also spot welded in place. The threaded inner tube is threaded through threaded hole 29 and the end of tube 28 beyond bar 22 is welded to a large washer 30. The other end of threaded tube 28 is provided with a pair of slots 32. The adjuster is operated with the aid of a tool 34 which is a hollow elongated tube having a pair of tips 36 at one end and a hex head 35 at the other end. The tips 36 are designed to mate with slots 32 in inner threaded tube 28 to turn the tube 28 and thus advance washer 30 through bolt hole 13. An un-threaded bolt 38 having a tapered tip 39 and a hex head 37 is preferably used with tool 34 as a simple centering aid wherein bolt 38 is inserted through tool 34 as shown in FIG. 6 to facilitate engagement of tips 36 into slots 32 through bolt hole 13.
  • FIG. 7 illustrates an optional weight bearing adjuster 16 which may be deployed at the lower hinge of a vertical frame member to bear the weight of the member until the lower hinge is installed. Adjuster 16 comprises a bearing washer 40, the position of which is determined by the relationship between an interior threaded tube 42 and bolt 44 to which the washer is welded. A shim 46 may be employed to spread the force over a greater area.
  • Having thus disclosed a preferred embodiment, it will now be apparent that the invention herein provides a highly advantageous adjustment feature for door and window metal frame systems that makes installation far more convenient and less time consuming. It will be understood that the scope hereof is not limited by the disclosed embodiment. By way of example, the adjuster herein can be readily configured without a support bar if the outer tube were threaded internally instead. Moreover, in some configurations, the outer tube may be omitted leaving only the threaded inner tube. Therefore, the protection hereof is limited only by the appended claims and their equivalents.

Claims (10)

1. An adjustment apparatus for a metal frame member, the frame member having at least one bolt hole for attachment of the frame member to an adjacent wall edge; the apparatus comprising:
an adjustment tube having a threaded radial surface and terminating in a bearing surface;
a support member affixed to said frame member and having a threaded aperture receiving said threaded radial surface of said adjustment tube, said aperture being aligned with said bolt hole; and
a tool having an elongated portion for extending through said bolt hole and engaging said adjustment tube for rotation of said threaded radial surface to move said bearing surface selectively relative to said frame member.
2. The adjustment apparatus recited in claim 1 wherein said bearing surface comprises a flat washer affixed to an end of said adjustment tube.
3. The adjustment apparatus recited in claim 1 further comprising a second tube concentrically located outside said adjustment tube and affixed to said support member and to said frame member.
4. The adjustment apparatus recited in claim 1 wherein said adjustment tube comprises at least one slot for receiving said tool and said tool has at least one tip for insertion into said slot for rotation fo said adjustment tube.
5. The adjustment apparatus recited in claim 1 wherein said support member is welded to said frame member.
6. An adjustable metal frame member having an adjustment apparatus in alignment with a bolt hole for attachment of the frame member to an adjacent wall; the apparatus comprising:
a spacer device accessible through said bolt hole, said device having a bearing surface extending from an end of a threaded tube, the position of said bearing surface relative to said frame member being determined by rotating said threaded tube through said bolt hole; and
a tool insertable through said bolt hole and configured for rotatably engaging said threaded tube.
7. The adjustable metal frame member recited in claim 6 further comprising a support member affixed to said frame member and having a threaded aperture receiving said threaded tube for supporting said tube in adjustable relation, said aperture being aligned with said bolt hole.
8. The adjustable metal frame member recited in claim 6 wherein said bearing surface comprises a flat washer affixed to said threaded tube.
9. The adjustable metal frame member recited in claim 7 further comprising a second tube concentrically located outside said threaded tube and affixed to said support member.
10. The adjustable metal frame member recited in claim 6 wherein said threaded tube comprises at least one slot for receiving said tool and said tool has at least one tip for insertion into said slot for rotation of said threaded tube.
US10/690,024 2003-10-20 2003-10-20 Adjustable metal frame Abandoned US20050081473A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/690,024 US20050081473A1 (en) 2003-10-20 2003-10-20 Adjustable metal frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/690,024 US20050081473A1 (en) 2003-10-20 2003-10-20 Adjustable metal frame

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US20050081473A1 true US20050081473A1 (en) 2005-04-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2462138A (en) * 2008-07-18 2010-02-03 Bradbury Security Grilles Ltd Adjustable door frame mounting
US9926736B2 (en) * 2016-03-02 2018-03-27 Frame & Mullions, LLC Adjustable door frame

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685226A (en) * 1970-05-05 1972-08-22 Stanley H Richter Adjustable door jamb
US5240349A (en) * 1991-07-19 1993-08-31 Jack Kennedy Metal Products And Buildings, Inc. Power mine door system
US5477644A (en) * 1994-04-04 1995-12-26 Chenoweth, Jr.; George E. Leveler for a door jamb
US5960434A (en) * 1997-09-26 1999-09-28 Silicon Graphics, Inc. System method and computer program product for dynamically sizing hash tables
US6084877A (en) * 1997-12-18 2000-07-04 Advanced Micro Devices, Inc. Network switch port configured for generating an index key for a network switch routing table using a programmable hash function
US6233242B1 (en) * 1996-12-30 2001-05-15 Compaq Computer Corporation Network switch with shared memory system
US6249521B1 (en) * 1997-02-14 2001-06-19 Advanced Micro Devices, Inc. Method and apparatus for creating a port vector
US6721320B1 (en) * 1998-12-18 2004-04-13 Lsi Logic Corporation Method and apparatus for fibre channel identification and retrieval
US6826878B1 (en) * 2001-06-28 2004-12-07 John Rovtar Window shim
US6915296B2 (en) * 2002-10-29 2005-07-05 Agere Systems Inc. Incremental reorganization for hash tables
US7069268B1 (en) * 2003-01-13 2006-06-27 Cisco Technology, Inc. System and method for identifying data using parallel hashing

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685226A (en) * 1970-05-05 1972-08-22 Stanley H Richter Adjustable door jamb
US5240349A (en) * 1991-07-19 1993-08-31 Jack Kennedy Metal Products And Buildings, Inc. Power mine door system
US5477644A (en) * 1994-04-04 1995-12-26 Chenoweth, Jr.; George E. Leveler for a door jamb
US6233242B1 (en) * 1996-12-30 2001-05-15 Compaq Computer Corporation Network switch with shared memory system
US6249521B1 (en) * 1997-02-14 2001-06-19 Advanced Micro Devices, Inc. Method and apparatus for creating a port vector
US5960434A (en) * 1997-09-26 1999-09-28 Silicon Graphics, Inc. System method and computer program product for dynamically sizing hash tables
US6084877A (en) * 1997-12-18 2000-07-04 Advanced Micro Devices, Inc. Network switch port configured for generating an index key for a network switch routing table using a programmable hash function
US6721320B1 (en) * 1998-12-18 2004-04-13 Lsi Logic Corporation Method and apparatus for fibre channel identification and retrieval
US6826878B1 (en) * 2001-06-28 2004-12-07 John Rovtar Window shim
US6915296B2 (en) * 2002-10-29 2005-07-05 Agere Systems Inc. Incremental reorganization for hash tables
US7069268B1 (en) * 2003-01-13 2006-06-27 Cisco Technology, Inc. System and method for identifying data using parallel hashing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2462138A (en) * 2008-07-18 2010-02-03 Bradbury Security Grilles Ltd Adjustable door frame mounting
US9926736B2 (en) * 2016-03-02 2018-03-27 Frame & Mullions, LLC Adjustable door frame

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