US1470858A - Lock structure - Google Patents

Lock structure Download PDF

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Publication number
US1470858A
US1470858A US565303A US56530322A US1470858A US 1470858 A US1470858 A US 1470858A US 565303 A US565303 A US 565303A US 56530322 A US56530322 A US 56530322A US 1470858 A US1470858 A US 1470858A
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US
United States
Prior art keywords
sleeve
bushing
lock
bore
door
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
US565303A
Inventor
Maxwell C Maxwell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yale and Towne Manufacturing Co
Original Assignee
Yale and Towne 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 Yale and Towne Manufacturing Co filed Critical Yale and Towne Manufacturing Co
Priority to US565303A priority Critical patent/US1470858A/en
Application granted granted Critical
Publication of US1470858A publication Critical patent/US1470858A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/084—Fastening of lock cylinders, plugs or cores
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/40—Attaching means
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00—Locks
    • Y10S70/07—Sleeve with embeddable tooth
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/62—Bolt casings
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7655—Cylinder attaching or mounting means

Definitions

  • MAXWELL C MAXWELL, OF STAMFORD, CONNECTICUT, ASSIGNOR TO THE YALE & TOWNE MANUFACTURING COMPANY, OF STAMFORD, CONNECTICUT.
  • This invention relates .to improvements in lock structures, and moreparticularly to securing means for locks, especially those of the cylinder type, the object of the invention being to provide simple and efiicient means whereby a lock casing mounted in an opening in the wood of a door shall be securely held in place, and the securing means be firmly and effectually held against displacement in an opening in the door at right angles to the wall of the cylinder lock casing.
  • Figure 1 is a view, partly in section and partly in elevation of the sleeve or bushing which receives the securing set-screw for the lock casing
  • Figure 2 is an end view of the same
  • Figure 3 is a view in elevation of the sleeve or bushing with its fingers bent inwardly to facilitate insertion into an opening in the door
  • Figure 4 is a sectional view showing the application of my improvements in securing a lock casing in place in an opening in a door
  • Figure 5 is an enlarged sectional view
  • Figures 6 and 7 are Views illustrating a modification.
  • FIG. 4 of the drawings a fragmentary portion of a door is represented at 1 which may be made of wood and the same is provided with an opening 2 which receives a lock of the cylinder type as indicated at 3.
  • a cylindrical bore or opening 4 is made in the door so as to extend from the edge face of the latter to the wall of the opening 2 and be disposed at right angles to the wall of the lock cylinder or casing in said opening 2.
  • the bore 4 in the door receives a sleeve or bushing 5 and the latter serves as a mounting for a set screw 6 to engage the lock cylinder and secure the latter in place in the opening 2 in the door.
  • the sleeve orbnshing 5 may conveniently be made from a section of tubing and is threaded interiorly near its rear end portion, as indicated at 7 for the accommmlation of the threaded exterior portion 8 of the set screw 6.
  • the forward portion of the sleeve or bushing is made with a plurality of slots 9 open at one end'and forming a plurality of fingers 10, each of which has punched from the metal thereof, two (more or less) lateral projections forming spurs or pointed teeth 11 to become embedded in the wood of the door as indicated in F igure 4.
  • the wood-engaging projections may be made in the form of beveled ribs 12 as shown In Flgures 5 and 6,
  • these ribs may be segments of concentric rings or they may be arranged spirally to form, in effect, screw threads.
  • the sleeve or bushing 5 is made with an exterior knurled or otherwise roughened portion as indicated at 13, so that it will be prevented from turning in the bore at during the insertion of the set screw.
  • the fingers 10 Before the sleeve or bushing is inserted into the bore 4 in the door, the fingers 10 will be bent inwardly so that the spurs or projections may not interfere with the driving of said'sleeve or bushing into place in the bore 4 in the wood of the door.
  • the set screw 6 will be inserted into the sleeve or bushing and as said screw is turned and thus fed forwardly to engage the lock cylinder 3, it will engage the fingers 10 and force them outwardly, causing the wood-em gaging projections or spurs to become cmbcdded in the wooden wall portion of the bore 4. If desired, the leading end of the set screw may be beveled as indicated at 14.
  • the metal mounting for the set screw will be firmly secured in the bore 4 inlthe wood of the door, and the set screw may be made to engage the lock cylinder with sufiicient pressure to secure the same rigidly and immovahly in place.
  • a lock structure of the character described the combination with a lock casing, of an internally threaded sleeve or bushing having a plurality of fingers, said fingers having laterally projecting wood-engaging members, and a set screw to enter said sleeve or bushing and engage the lock casing, said set screw being cooperable with said fingers to force them laterally and embed said laterally projecting members into the wall of a bore in which said sleeve or bushing may be located.
  • the combination with a lock casing, of a sleeve or bushing to enter a bore in a Wooden part in which latter the lock casing may be located said sleeve having a series of fingers provided with laterally projecting punched spurs and a set screw to pass through said sleeve or bushing and engage the lock casing, said set screw being cooperable with said fingers to force them laterally and embed said spurs in the wall of the bore in which said sleeve or bushing may be located.
  • a lock structure the combination with a lock casing, of a sleeve or bushing to enter a bore in a wooden part in which latter the lock casing may be located, said sleeve being internally threadediand having a plurality of fingers provided With wood engaging members, said sleeve or bushing also having an externally roughened portion, and a set screw to pass through said sleeve or bushing and enga e the lock casing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

M. C. MAXWELL LOCK STRUCTURE Oct. 16 1923. 1,470,858
Filed June 2. 1922 Patented Oct. 16, 1923.
UNITED STATES PATENT OFFICE.
MAXWELL C. MAXWELL, OF STAMFORD, CONNECTICUT, ASSIGNOR TO THE YALE & TOWNE MANUFACTURING COMPANY, OF STAMFORD, CONNECTICUT.
LOCK STRUCTURE.
Application filed June 2,
To all whom it my concern:
Be it known that I, MAXWELL C. MAX- WELL, a citizen of the United States, and a resident of Stamfrd,in the county of Fairfield and State ofConnecticut, have invented certain new and useful Improvements in Lock Structures; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates .to improvements in lock structures, and moreparticularly to securing means for locks, especially those of the cylinder type, the object of the invention being to provide simple and efiicient means whereby a lock casing mounted in an opening in the wood of a door shall be securely held in place, and the securing means be firmly and effectually held against displacement in an opening in the door at right angles to the wall of the cylinder lock casing.
With this and other objects in view, the
invention consists in certain novel features of construction and combinations of parts as hereinafter set forth and pointed out in the claims.
In the accompanying drawings; Figure 1 is a view, partly in section and partly in elevation of the sleeve or bushing which receives the securing set-screw for the lock casing; Figure 2 is an end view of the same; Figure 3 is a view in elevation of the sleeve or bushing with its fingers bent inwardly to facilitate insertion into an opening in the door; Figure 4 is a sectional view showing the application of my improvements in securing a lock casing in place in an opening in a door; Figure 5 is an enlarged sectional view, and Figures 6 and 7 are Views illustrating a modification.
In Figure 4 of the drawings, a fragmentary portion of a door is represented at 1 which may be made of wood and the same is provided with an opening 2 which receives a lock of the cylinder type as indicated at 3.
A cylindrical bore or opening 4 is made in the door so as to extend from the edge face of the latter to the wall of the opening 2 and be disposed at right angles to the wall of the lock cylinder or casing in said opening 2.
The bore 4 in the door receives a sleeve or bushing 5 and the latter serves as a mounting for a set screw 6 to engage the lock cylinder and secure the latter in place in the opening 2 in the door.
The sleeve orbnshing 5 may conveniently be made from a section of tubing and is threaded interiorly near its rear end portion, as indicated at 7 for the accommmlation of the threaded exterior portion 8 of the set screw 6. The forward portion of the sleeve or bushing is made with a plurality of slots 9 open at one end'and forming a plurality of fingers 10, each of which has punched from the metal thereof, two (more or less) lateral projections forming spurs or pointed teeth 11 to become embedded in the wood of the door as indicated in F igure 4. I
Instead of making the Wood-engaging projections by punching pointed spurs from the metal of the sleeve or bushing fingers '10 as above described, the wood-engaging projections may be made in the form of beveled ribs 12 as shown In Flgures 5 and 6,
and these ribs may be segments of concentric rings or they may be arranged spirally to form, in effect, screw threads.
The sleeve or bushing 5 is made with an exterior knurled or otherwise roughened portion as indicated at 13, so that it will be prevented from turning in the bore at during the insertion of the set screw.
Before the sleeve or bushing is inserted into the bore 4 in the door, the fingers 10 will be bent inwardly so that the spurs or projections may not interfere with the driving of said'sleeve or bushing into place in the bore 4 in the wood of the door. The set screw 6 will be inserted into the sleeve or bushing and as said screw is turned and thus fed forwardly to engage the lock cylinder 3, it will engage the fingers 10 and force them outwardly, causing the wood-em gaging projections or spurs to become cmbcdded in the wooden wall portion of the bore 4. If desired, the leading end of the set screw may be beveled as indicated at 14.
With my improvements, the metal mounting for the set screw will be firmly secured in the bore 4 inlthe wood of the door, and the set screw may be made to engage the lock cylinder with sufiicient pressure to secure the same rigidly and immovahly in place.
Various slight changes might be made in the details of construction of my invention without departing from the spirit thereof or limiting its scope and hence I do not wish to restrict myself to the precise details herein set forth.
Having fully described my invention what I claim as new and desire to secure by Letters Patent, is
1. In lock securing means of the char acter described, the combination with a lock casing, of a sleeve or bushing having fingers provided with laterally projecting wood-engaging means to engage the wall portion of a bore in which said sleeve or bushing may be located, said sleeve or bushing having an internal threaded portion,
and a set screw to pass through said sleeve or bushing and engage the lock casing.
52. In a lock structure of the character described, the combination with a lock casing, of an internally threaded sleeve or bushing having a plurality of fingers, said fingers having laterally projecting wood-engaging members, and a set screw to enter said sleeve or bushing and engage the lock casing, said set screw being cooperable with said fingers to force them laterally and embed said laterally projecting members into the wall of a bore in which said sleeve or bushing may be located.
3. In a lock structure of the character described, the combination with a lock casing, of a sleeve or bushing to enter a bore in a Wooden part in which latter the lock casing may be located, said sleeve having a series of fingers provided with laterally projecting punched spurs and a set screw to pass through said sleeve or bushing and engage the lock casing, said set screw being cooperable with said fingers to force them laterally and embed said spurs in the wall of the bore in which said sleeve or bushing may be located.
4. In a lock structure, the combination with a lock casing, of a sleeve or bushing to enter a bore in a wooden part in which latter the lock casing may be located, said sleeve being internally threadediand having a plurality of fingers provided With wood engaging members, said sleeve or bushing also having an externally roughened portion, and a set screw to pass through said sleeve or bushing and enga e the lock casing.
In testimony whereof, l have signed this specification in the presence of two subscribing witnesses.
MAXWELL C. MAXWELL.
Witnesses:
L. M. SAISFIELD, CHARLES A. BERRY.
US565303A 1922-06-02 1922-06-02 Lock structure Expired - Lifetime US1470858A (en)

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696137A (en) * 1949-10-15 1954-12-07 Super Grip Anchor Bolt Company Multicontact roof reinforcer or anchor
US3194107A (en) * 1962-06-05 1965-07-13 Gkn Screws Fasteners Ltd Internally threaded insert with rotation preventing means
US3269251A (en) * 1964-08-17 1966-08-30 Bass Henry James Threaded inserts with sliding segmental securing means
US3323404A (en) * 1958-11-07 1967-06-06 Fischer Artur Expansion bolt arrangement
US3732709A (en) * 1971-01-20 1973-05-15 C Kneebone Lock means for relatively slidable closures
US4449877A (en) * 1979-05-02 1984-05-22 Hilti Aktiengesellschaft Peg for engagement in countersunk section of a bore
US4481702A (en) * 1982-09-30 1984-11-13 The Boeing Company Method of assembling threaded insert bushing within a working material
US4610589A (en) * 1977-09-20 1986-09-09 Tri-Bolt Fasteners Aps Screw anchoring bushing for use in semihard materials
GB2200671A (en) * 1986-07-01 1988-08-10 United States Gypsum Co Wall construction and resilient runner therefor
US5052075A (en) * 1990-01-11 1991-10-01 Babcock Industries Inc. Apparatus and method for securing a caster to an object having a hole
US5480117A (en) * 1994-04-28 1996-01-02 Fleming, Iii; Joseph C. Mounting bracket for wall panel locks
US6508092B1 (en) * 2001-01-24 2003-01-21 The Eastern Company Snap-in mount for CAM locks and the like
US20060228193A1 (en) * 2005-04-07 2006-10-12 Michael Apsey Dowel with locking features and method of using the same
US20070277976A1 (en) * 2006-06-05 2007-12-06 Kobetsky Robert G Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US7744320B2 (en) * 2006-06-05 2010-06-29 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US20110062727A1 (en) * 2009-07-30 2011-03-17 Luke Liang Vent stop for wooden and other windows
US20160097416A1 (en) * 2014-10-03 2016-04-07 Illinois Tool Works Inc. Anchor fastener including an expansion sleeve
US10006232B2 (en) 2006-03-28 2018-06-26 Vision Industries Group Window vent stop with flexible side engagement pieces
US10107021B1 (en) 2006-03-28 2018-10-23 Vision Industries Group, Inc. Window vent stop with plastic spring member for bi-directional biasing of the tumbler
USD856787S1 (en) 2017-09-27 2019-08-20 Illinois Tool Works Inc. Undercut anchor attachment barrel
US10844636B2 (en) 2017-05-23 2020-11-24 Vision Industries Group, Inc. Combination forced entry resistant sash lock and tilt latch, also functioning as a window opening control device
US10920469B2 (en) 2009-05-29 2021-02-16 Vision Industries Group, Inc Double-action, adjustable, after-market sash stop
US10995487B2 (en) 2017-09-27 2021-05-04 Illinois Tool Works Inc. Undercut anchor, undercut anchor manufacturing method, and anchoring method
US11047157B1 (en) 2006-03-28 2021-06-29 Vision Industries Group, Inc. Vent stop
US11118376B1 (en) 2017-10-18 2021-09-14 Vision Industries Group, Inc. Combination sash lock and tilt latch and slidable window vent stop
US11168492B1 (en) 2017-02-16 2021-11-09 Vision Industries Group, Inc. Tamper resistant sash lock
US11168495B1 (en) 2018-08-01 2021-11-09 Vision Industries Group, Inc. Automatically resetting window vent stop with dual safety features
US11187010B1 (en) 2019-09-19 2021-11-30 Vision Industries, Inc. Forced-entry-resistant sash lock

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696137A (en) * 1949-10-15 1954-12-07 Super Grip Anchor Bolt Company Multicontact roof reinforcer or anchor
US3323404A (en) * 1958-11-07 1967-06-06 Fischer Artur Expansion bolt arrangement
US3194107A (en) * 1962-06-05 1965-07-13 Gkn Screws Fasteners Ltd Internally threaded insert with rotation preventing means
US3269251A (en) * 1964-08-17 1966-08-30 Bass Henry James Threaded inserts with sliding segmental securing means
US3732709A (en) * 1971-01-20 1973-05-15 C Kneebone Lock means for relatively slidable closures
US4610589A (en) * 1977-09-20 1986-09-09 Tri-Bolt Fasteners Aps Screw anchoring bushing for use in semihard materials
US4449877A (en) * 1979-05-02 1984-05-22 Hilti Aktiengesellschaft Peg for engagement in countersunk section of a bore
US4481702A (en) * 1982-09-30 1984-11-13 The Boeing Company Method of assembling threaded insert bushing within a working material
GB2200671A (en) * 1986-07-01 1988-08-10 United States Gypsum Co Wall construction and resilient runner therefor
GB2200671B (en) * 1986-07-01 1990-05-30 United States Gypsum Co Wall construction and resilient runner therefor
US5052075A (en) * 1990-01-11 1991-10-01 Babcock Industries Inc. Apparatus and method for securing a caster to an object having a hole
US5480117A (en) * 1994-04-28 1996-01-02 Fleming, Iii; Joseph C. Mounting bracket for wall panel locks
US5601266A (en) * 1994-04-28 1997-02-11 Fleming, Iii; Joseph C. Mounting bracket for wall panel locks
US6508092B1 (en) * 2001-01-24 2003-01-21 The Eastern Company Snap-in mount for CAM locks and the like
US20060228193A1 (en) * 2005-04-07 2006-10-12 Michael Apsey Dowel with locking features and method of using the same
US7241095B2 (en) * 2005-04-07 2007-07-10 Driv-Lok, Inc. Dowel with locking features and method of using the same
US10107021B1 (en) 2006-03-28 2018-10-23 Vision Industries Group, Inc. Window vent stop with plastic spring member for bi-directional biasing of the tumbler
US10006232B2 (en) 2006-03-28 2018-06-26 Vision Industries Group Window vent stop with flexible side engagement pieces
US11047157B1 (en) 2006-03-28 2021-06-29 Vision Industries Group, Inc. Vent stop
US20100229641A1 (en) * 2006-06-05 2010-09-16 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US7811037B2 (en) * 2006-06-05 2010-10-12 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US8302276B2 (en) 2006-06-05 2012-11-06 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US7744320B2 (en) * 2006-06-05 2010-06-29 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US8491244B2 (en) 2006-06-05 2013-07-23 Illinois Tool Works Inc. Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US20070277976A1 (en) * 2006-06-05 2007-12-06 Kobetsky Robert G Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
US10920469B2 (en) 2009-05-29 2021-02-16 Vision Industries Group, Inc Double-action, adjustable, after-market sash stop
US20110062727A1 (en) * 2009-07-30 2011-03-17 Luke Liang Vent stop for wooden and other windows
US8360484B2 (en) * 2009-07-30 2013-01-29 Vision Industries Group, Inc. Vent stop for wooden and other windows
US20160097416A1 (en) * 2014-10-03 2016-04-07 Illinois Tool Works Inc. Anchor fastener including an expansion sleeve
US9541116B2 (en) * 2014-10-03 2017-01-10 Illinois Tool Works Inc. Anchor fastener including an expansion sleeve
US10641311B2 (en) 2014-10-03 2020-05-05 Illinois Tool Works Inc. Anchor fastener including an expansion sleeve
US11168492B1 (en) 2017-02-16 2021-11-09 Vision Industries Group, Inc. Tamper resistant sash lock
US10844636B2 (en) 2017-05-23 2020-11-24 Vision Industries Group, Inc. Combination forced entry resistant sash lock and tilt latch, also functioning as a window opening control device
USD880997S1 (en) 2017-09-27 2020-04-14 Illinois Tool Works Inc. Undercut anchor attachment barrel
US10995487B2 (en) 2017-09-27 2021-05-04 Illinois Tool Works Inc. Undercut anchor, undercut anchor manufacturing method, and anchoring method
USD856787S1 (en) 2017-09-27 2019-08-20 Illinois Tool Works Inc. Undercut anchor attachment barrel
US11118376B1 (en) 2017-10-18 2021-09-14 Vision Industries Group, Inc. Combination sash lock and tilt latch and slidable window vent stop
US11168495B1 (en) 2018-08-01 2021-11-09 Vision Industries Group, Inc. Automatically resetting window vent stop with dual safety features
US11187010B1 (en) 2019-09-19 2021-11-30 Vision Industries, Inc. Forced-entry-resistant sash lock

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