US1820667A - Work holding clamp - Google Patents

Work holding clamp Download PDF

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Publication number
US1820667A
US1820667A US422079A US42207930A US1820667A US 1820667 A US1820667 A US 1820667A US 422079 A US422079 A US 422079A US 42207930 A US42207930 A US 42207930A US 1820667 A US1820667 A US 1820667A
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faces
slot
post
work
boss
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US422079A
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Leyes Louis
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    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts
    • 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
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/998—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener with positive bolt lock
    • 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
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30868—Work support
    • Y10T409/309016—Work support with work holder or guide

Definitions

  • I Fi 1 is a sectional view on the line 1:-1 of Fig. 2, showing the clamping means In operative work-ho ding position;
  • I Fig. 2 a section on the line 22 of Fig, 1;
  • Fig. 3 a view similar to Fig. 2, show ng the adjustable and removable work-holdm means positioned for lifting out of the wor table slot;
  • v Fig. 4 a view showing a slightly modified construction.
  • 10 is a support such as the usual work table of amachine tool having its flat work-engaging face 11 provided with the usual T-slots or undercut grooves 12, one of which is shown.
  • the work or article clamped Soto face 11 is indicated at 13, and it will be understood that it may be held to table 10 by as many of the improved adjustable and detachable clamping devices as desired, only.
  • the adjustable and detachable clamping device comprises an adjustable post-carrier or slide 14 engaged in the wider-or bottom portion of slot 12, a post 15 attached at one end to the slide and having its other end provided with an external scr'ew thread, and a work-engaging clamping nut 16 threaded on the last mentioned end of the post.
  • the axial line of the post passes through the elongated mainflat body'portion of the slide at a point i 5 midway between the ends of said portion and also midway between the sides ofsaid portion.
  • the post rises vertically from the centrally located raisedportion or boss '14" of the slide 14, which raised portion --is engaged in the narrower or mouth portion of slot 12.
  • Post 15 may be formed into rally with the slide, as in the construction s own in Fig. 4 or its lower end may be threaded into the slide as shown inthe embodiment illustrated in Figs. 1, 2, and 3, or attached in any other manner to the slide to move therewit I
  • the mainelongated portion of the slide or head for the post 15 has a flat top and bottom and is of slightly less thickness from top to bottom than the depth of the wider ortionv of slot 12. It also has fiat parallel si e faces 17 connected b rounded end faces 18, the width of said e ongated portion of the slide being slightly less than that of.
  • the narrower portion or mouth of slot 12 and the maximum I length of said portion being slightly less than the width of the wider portion of slot 12.
  • the elongated portion of the head may be passed through the mouth of the slot as shown in Fig. 3 and then rotated through a quarter turn into the position shown in Figs. 1 and 2 in which it extransversely of the slot and across substantially the full width of the wider bottom portion of the slot.
  • Boss 14 has a pair of parallel fiat side faces 19 and a second pair of parallel .flat side faces 20 extending at right angles to side faces 19 which are parallel with and in the same vertical planes as the fiat side faces 1 of the elongated main portion of the slide 14.
  • Diagonally opposite corners of the boss 14 are each rounded off in an arc of the same radius R struck from the axis of the post andboss, this radius be- Faces 19 and 20 are tangent to a'circle having the radius B so that faces 19 will squarely abut the op osite side walls of the mouth ofslot 12 w en the clamping nut carrier is rotated in one direction, and so that faces 20 will squarely abut said side walls of theslot mouth when the carrier is rotated in the opposite direction.
  • Faces 19 arrest rotation of the carrier with the elongated portion of slide 14 extending directly lengthwise of the slot, so that it may be readily lifted out of the slot, while faces 20 arrest rotation of the carrier with said elongated portiomdirectly across the slot.
  • the flat side faces 19'of the boss also slidably coact with the side walls of the mouth of the slot'to slidably guide the elongated portion out of the slot in detaching the holding device from the table, while fiat side faces 20 slidably coact with said side walls to guide the adjustable holding device during adjustments over the table while interlocked with the table.
  • the insertion, removal and adjustment of the holding device is greatly facilitated by the novel construction thereof shown and described, and it will be obvious that the invention provides a simple and efiicient clamping or holding device which may be readily attached to and removed from a slotted work table at any point along the length of a T-slot of the table.
  • a work clamping means comprising a work-support having oppositely facing surface portions and a slot with parallel side walls which extend from one surface portion to the other, a post projecting beyond the plane of one of said surface portions and having its projecting end provided with a screw thread, a removable and adjustable post-carrying slide having a main body portion elongated transversely of the post coactive with the oppositely facing surface portion of the support and having a raised portion intermediate its ends engaged in said slot, said raised portion having two pairs of parallel flat faces alternately engageable with the side walls of the slot to arrest rotation of the carrier after a quarter turn in opposite directions at either of two positions in one of which the elongated portion of the slide eX tends directly lengthwise of the slot and in the other of which said elongated portion extends directly crosswise of the 'slot, the maximum width of the elongated portion of the slide not exceeding that of the slot, and the 'said pairs of fiat faces on the raised portion of the slide being joined by diagonally opposite rounded corner face portions,
  • a work-holding table having an undercut groove in its work-engaging'face, and an adjustable and detachable holding device for clamping the work to the table
  • said stop faces and extending around the center of the boss through an angle of at least ninety degrees, and a post rising centrally from the carrier at the face of the carrier from which the boss rises, said post being provided with an external screw thread for connection of a Work-clamping nut therewith.
  • An adjustable and detachable anchoring means comprising a post-carrying head having a boss on one face thereof and spaced longitudinally ofthe head from one end of the head, a post rising from the boss centrally of the boss and provided with an external screw thread beyond said boss, and a nut on thethreaded portion of the post, said boss having two pairs of parallel fiat faces connected by diagonally opposite convex faces, one pair of said flat faces lying in planes intersecting the planes of the other 'pair, said pairs of flat faces being correlated with the head to position the head alternatively to bridge and to pass through a slideway in which said boss is slidabl engaged and oscillatable between limits etermined by said pairs of flat faces.
  • an attachin means in combination, means formin a s ideway having parallel side walls, an a detachable and ad ustable anchoring device coactive with said slideway forming means comprising a head shaped to pass through said slideway in one rotatably adjusted position of the device and to bridge the slideway in another rotatably adjusted position, said head having a boss normally en aged in the slideway having two pairs of at faces, the faces of each pair bemg parallel and spaced apart to simultaneously abut the opposite side walls of the way.

Description

Aug. 25, 1931. L. LEYES WORK HOLDING CLAMP Filed Jan. 20, 1950 INVENTOR LOUI5 LEY ES h is ATTORNEYS Patented Aug. 25, 1931 UNITED smras PATENT OFFICE LOUIS Lmrasor cm Ismn, new roan WORK HOLDING CLAMP Application fled January 20, 1980. Serial No. #22 079.
lustrative embodiments ofthe invention shown in the annexed drawings.
In the drawings: I Fi 1 is a sectional view on the line 1:-1 of Fig. 2, showing the clamping means In operative work-ho ding position; I Fig. 2 a section on the line 22 of Fig, 1; Fig. 3 a view similar to Fig. 2, show ng the adjustable and removable work-holdm means positioned for lifting out of the wor table slot; and v Fig. 4 a view showing a slightly modified construction. j
Referring to the drawings by reference 26 characters, 10 is a support such as the usual work table of amachine tool having its flat work-engaging face 11 provided with the usual T-slots or undercut grooves 12, one of which is shown. The work or article clamped Soto face 11 is indicated at 13, and it will be understood that it may be held to table 10 by as many of the improved adjustable and detachable clamping devices as desired, only.
one of these devices being shown.
36 The adjustable and detachable clamping device comprises an adjustable post-carrier or slide 14 engaged in the wider-or bottom portion of slot 12, a post 15 attached at one end to the slide and having its other end provided with an external scr'ew thread, and a work-engaging clamping nut 16 threaded on the last mentioned end of the post. The axial line of the post passes through the elongated mainflat body'portion of the slide at a point i 5 midway between the ends of said portion and also midway between the sides ofsaid portion. v
The post rises vertically from the centrally located raisedportion or boss '14" of the slide 14, which raised portion --is engaged in the narrower or mouth portion of slot 12. Post 15 may be formed into rally with the slide, as in the construction s own in Fig. 4 or its lower end may be threaded into the slide as shown inthe embodiment illustrated in Figs. 1, 2, and 3, or attached in any other manner to the slide to move therewit I The mainelongated portion of the slide or head for the post 15 has a flat top and bottom and is of slightly less thickness from top to bottom than the depth of the wider ortionv of slot 12. It also has fiat parallel si e faces 17 connected b rounded end faces 18, the width of said e ongated portion of the slide being slightly less than that of. the narrower portion or mouth of slot 12 and the maximum I length of said portion being slightly less than the width of the wider portion of slot 12. By providing flat side faces 17 spaced as de scribed and rounded end faces 18 curved about the axis of the post 15 and equidistant from said axis, as shown, the elongated portion of the head may be passed through the mouth of the slot as shown in Fig. 3 and then rotated through a quarter turn into the position shown in Figs. 1 and 2 in which it extransversely of the slot and across substantially the full width of the wider bottom portion of the slot.
The raised portion or boss 14" of the slide projects up into the narrow mouth portion tends at a right angle to the slot or directly of the slot when the main portion of the slide is seated in the wider portion of the slot, and said boss is preferably of such height that its upper end hes below the work-engaging face 11 of the table 10, as shown. Boss 14 has a pair of parallel fiat side faces 19 and a second pair of parallel .flat side faces 20 extending at right angles to side faces 19 which are parallel with and in the same vertical planes as the fiat side faces 1 of the elongated main portion of the slide 14. Diagonally opposite corners of the boss 14 are each rounded off in an arc of the same radius R struck from the axis of the post andboss, this radius be- Faces 19 and 20 are tangent to a'circle having the radius B so that faces 19 will squarely abut the op osite side walls of the mouth ofslot 12 w en the clamping nut carrier is rotated in one direction, and so that faces 20 will squarely abut said side walls of theslot mouth when the carrier is rotated in the opposite direction. Faces 19 arrest rotation of the carrier with the elongated portion of slide 14 extending directly lengthwise of the slot, so that it may be readily lifted out of the slot, while faces 20 arrest rotation of the carrier with said elongated portiomdirectly across the slot. The flat side faces 19'of the boss also slidably coact with the side walls of the mouth of the slot'to slidably guide the elongated portion out of the slot in detaching the holding device from the table, while fiat side faces 20 slidably coact with said side walls to guide the adjustable holding device during adjustments over the table while interlocked with the table.
The insertion, removal and adjustment of the holding device is greatly facilitated by the novel construction thereof shown and described, and it will be obvious that the invention provides a simple and efiicient clamping or holding device which may be readily attached to and removed from a slotted work table at any point along the length of a T-slot of the table.
What I claim is:
1. A work clamping means comprising a work-support having oppositely facing surface portions and a slot with parallel side walls which extend from one surface portion to the other, a post projecting beyond the plane of one of said surface portions and having its projecting end provided with a screw thread, a removable and adjustable post-carrying slide having a main body portion elongated transversely of the post coactive with the oppositely facing surface portion of the support and having a raised portion intermediate its ends engaged in said slot, said raised portion having two pairs of parallel flat faces alternately engageable with the side walls of the slot to arrest rotation of the carrier after a quarter turn in opposite directions at either of two positions in one of which the elongated portion of the slide eX tends directly lengthwise of the slot and in the other of which said elongated portion extends directly crosswise of the 'slot, the maximum width of the elongated portion of the slide not exceeding that of the slot, and the 'said pairs of fiat faces on the raised portion of the slide being joined by diagonally opposite rounded corner face portions, and a work clamping nut on said threaded end ofthe post. r a
2. A clamping means of the class set forth,
' comprising a work-holding table having an undercut groove in its work-engaging'face, and an adjustable and detachable holding device for clamping the work to the table, said devicevcomprising an elongated head insertable through the mouth of said groove and rotatable in the undercut portion of the groove to interlock the head with the table, an upstanding post held at one end to the head centrally of the head and externally threaded at its upper end,,and a work-clamping nut on said threaded end of the post, said head having a central upstanding boss rotatable in the mouth portion of the undercut groove and-having flat side face portions coactive with the side walls of the said mouth portion of the groove to arrest rotation of the head in the undercut groove in opposite directions in either of two positions, in one of which the head is positioned for lifting out trally located boss on one face thereof pro vided with two pairs of fiat stop faces alternatively engageable with the side walls of a table slot, one pair of said side faces being located in spaced planes parallel with the longitudinal center line of the post carrier and the other pair being disposed in planes spaced the same distance apart as the first mentioned planes extending crosswisely of the carrier at a right angle to the longitudinally center line, said boss having two diagonally opposite rounded corner faces each connecting two angularly disposed ones of.
said stop faces and extending around the center of the boss through an angle of at least ninety degrees, and a post rising centrally from the carrier at the face of the carrier from which the boss rises, said post being provided with an external screw thread for connection of a Work-clamping nut therewith. r
6. A work-clamping nut carrier as claimed in claim 5, wherein the nut-carrying post is screw thread coupled with the head at its lower end.
7. An adjustable and detachable anchoring means, comprising a post-carrying head having a boss on one face thereof and spaced longitudinally ofthe head from one end of the head, a post rising from the boss centrally of the boss and provided with an external screw thread beyond said boss, and a nut on thethreaded portion of the post, said boss having two pairs of parallel fiat faces connected by diagonally opposite convex faces, one pair of said flat faces lying in planes intersecting the planes of the other 'pair, said pairs of flat faces being correlated with the head to position the head alternatively to bridge and to pass through a slideway in which said boss is slidabl engaged and oscillatable between limits etermined by said pairs of flat faces.
8. In an attachin means, in combination, means formin a s ideway having parallel side walls, an a detachable and ad ustable anchoring device coactive with said slideway forming means comprising a head shaped to pass through said slideway in one rotatably adjusted position of the device and to bridge the slideway in another rotatably adjusted position, said head having a boss normally en aged in the slideway having two pairs of at faces, the faces of each pair bemg parallel and spaced apart to simultaneously abut the opposite side walls of the way. one pair of faces lying in planes intersectin the planes of the other pair of faces, one 0 said pairs of faces being coactive with the side walls of the way to arrest rotation of the device with the head positioned for passing through the way and the other air of said faces being coactive with said si e walls to arrest rotation of the device with the head signature.
LOUIS LEYES.
US422079A 1930-01-20 1930-01-20 Work holding clamp Expired - Lifetime US1820667A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605668A (en) * 1950-07-28 1952-08-05 Hollopeter Everett Anchor device for construction blocks
US2674392A (en) * 1950-10-19 1954-04-06 Georges E Kunz Dispensing device for paste tubes having a pressure element and pivoted closure which cuts the paste
US2681679A (en) * 1950-03-09 1954-06-22 Illinois Tool Works Nut cage
US2908303A (en) * 1957-02-12 1959-10-13 Jr Reinhold C Schmidt Machine tool accessory
US3038385A (en) * 1957-09-10 1962-06-12 Archibald B Smith Machine tool fixture support
US3074519A (en) * 1959-09-08 1963-01-22 Warner & Swascy Company Fastening means
US3096733A (en) * 1961-05-16 1963-07-09 Jentzen Miller Company Modular shelving assembly
DE1171242B (en) * 1960-05-25 1964-05-27 Kurt Bley Clamping screw for clamping devices with clamping tables provided with outwardly narrowed grooves
US3150703A (en) * 1961-08-16 1964-09-29 Elastic Stop Nut Corp Fastening device
US3181585A (en) * 1963-08-19 1965-05-04 Philip J Brewington Anchoring bolt for water closet bowls
US3203655A (en) * 1962-09-06 1965-08-31 United Carr Inc Cable holding device
US3216306A (en) * 1962-02-23 1965-11-09 Glendon W Taylor Retractable rock hole pin
DE1253556B (en) * 1958-07-28 1967-11-02 Hans Joachim Hammer Clamping device for directly on the table of a machine tool to be clamped, especially flat workpieces
US3404878A (en) * 1965-01-29 1968-10-08 Kenne Frans Oskar Thure Device for holding a workpiece, tool or the like on the top of a bench or table
US3589525A (en) * 1969-03-10 1971-06-29 Byron W Allen Glass case storage rack
US3759642A (en) * 1971-10-26 1973-09-18 Grace W R & Co T-slot bolt
US3908330A (en) * 1973-06-18 1975-09-30 Werner Frach Securing means for fastening structural attachments to hollow metal or plastic shaped parts
US4069549A (en) * 1975-05-21 1978-01-24 Richard Heinze Fitting component anchored into a sunk seat
US4146074A (en) * 1977-10-07 1979-03-27 B-Line Systems, Inc. Fastener
US4413819A (en) * 1981-04-09 1983-11-08 Kurt Manufacturing Company, Inc. Vise clamp and swivel base vise using such clamp
US4496139A (en) * 1981-04-09 1985-01-29 Kurt Manufacturing Company, Inc. Vise clamp and swivel base vise using such clamp
US5312154A (en) * 1993-02-01 1994-05-17 Darrel Woodall Apparatus for holding down workpieces to be machined
DE29700737U1 (en) * 1997-01-16 1997-02-27 Halfen Gmbh & Co Kg Clamping screw
US5608970A (en) * 1995-09-19 1997-03-11 Mount Shamrock Pty Ltd. Quick release truss clamp and method
US5695178A (en) * 1994-12-01 1997-12-09 Shanview Patents Limited Sliding block for clamping tools
US20040020137A1 (en) * 2002-02-15 2004-02-05 Battey David J. Customizable partition system
US6751914B2 (en) 2002-03-01 2004-06-22 Steelcase Development Corporation Post and beam furniture system
US20090232616A1 (en) * 2008-03-07 2009-09-17 Unirac, Inc. Friction Lock Bolt
US20110299957A1 (en) * 2010-06-03 2011-12-08 Preformed Line Products Company Module clamp and fastener apparatus
US8104754B1 (en) 2008-05-30 2012-01-31 Allen Ip Inc. Adjustable workpiece positioning and clamping system
GB2501013A (en) * 2010-11-09 2013-10-09 Acs Stainless Steel Fixings Ltd A T-shaped fixing having a stepped profiled head
GB2501014A (en) * 2010-11-09 2013-10-09 Acs Stainless Steel Fixings Ltd A T-shaped fixing having a domed-shaped head with flats on opposing sides
WO2014122202A1 (en) * 2013-02-08 2014-08-14 Leroy Merlin France Device for installation by means of hooking a part to a mounting and corresponding assembly system
US20150226246A1 (en) * 2014-02-13 2015-08-13 Halfen Gmbh Bolt
US9429388B2 (en) 2014-04-03 2016-08-30 Magpul Industries Corp. Firearm accessory mounting interface
US20160285177A1 (en) * 2012-07-05 2016-09-29 Ironridge, Inc. Apparatus for Electrically Bonding a Solar Array
US20170284098A1 (en) * 2011-02-25 2017-10-05 Edward G. Joseph Apparatus and methods for truss assembly
US9921029B2 (en) 2014-01-10 2018-03-20 Magpul Industries Corp. Connector
US20180272500A1 (en) * 2013-04-03 2018-09-27 Affinity Tool Works, Llc Straight edge clamp
US10186791B2 (en) 2012-07-05 2019-01-22 Ironridge, Inc. Assembly for clamping and grounding objects
US20190323542A1 (en) * 2018-04-21 2019-10-24 Maxim Defense Industries, LLC Universal interface system, fastener apparatus and accessory rail system
EP3262262B1 (en) * 2015-02-24 2021-04-07 Giesse S.P.A. The device for fixing accessories on doors or windows
US11219984B2 (en) 2019-02-28 2022-01-11 Nomis Llc Clamp with workpiece alignment feature
US11338401B2 (en) * 2020-02-10 2022-05-24 Derek Edward Pulsifer Modular machine tool work holding system
US11338402B2 (en) * 2020-02-10 2022-05-24 Derek Edward Pulsifer Modular machine tool work holding components
US11554463B2 (en) * 2019-11-21 2023-01-17 Nomis Llc Clamp mount
USD1004033S1 (en) 2020-01-20 2023-11-07 Sagi Faifer Handguard for a gun

Cited By (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681679A (en) * 1950-03-09 1954-06-22 Illinois Tool Works Nut cage
US2605668A (en) * 1950-07-28 1952-08-05 Hollopeter Everett Anchor device for construction blocks
US2674392A (en) * 1950-10-19 1954-04-06 Georges E Kunz Dispensing device for paste tubes having a pressure element and pivoted closure which cuts the paste
US2908303A (en) * 1957-02-12 1959-10-13 Jr Reinhold C Schmidt Machine tool accessory
US3038385A (en) * 1957-09-10 1962-06-12 Archibald B Smith Machine tool fixture support
DE1253556B (en) * 1958-07-28 1967-11-02 Hans Joachim Hammer Clamping device for directly on the table of a machine tool to be clamped, especially flat workpieces
US3074519A (en) * 1959-09-08 1963-01-22 Warner & Swascy Company Fastening means
DE1171242B (en) * 1960-05-25 1964-05-27 Kurt Bley Clamping screw for clamping devices with clamping tables provided with outwardly narrowed grooves
US3096733A (en) * 1961-05-16 1963-07-09 Jentzen Miller Company Modular shelving assembly
US3150703A (en) * 1961-08-16 1964-09-29 Elastic Stop Nut Corp Fastening device
US3216306A (en) * 1962-02-23 1965-11-09 Glendon W Taylor Retractable rock hole pin
US3203655A (en) * 1962-09-06 1965-08-31 United Carr Inc Cable holding device
US3181585A (en) * 1963-08-19 1965-05-04 Philip J Brewington Anchoring bolt for water closet bowls
US3404878A (en) * 1965-01-29 1968-10-08 Kenne Frans Oskar Thure Device for holding a workpiece, tool or the like on the top of a bench or table
US3589525A (en) * 1969-03-10 1971-06-29 Byron W Allen Glass case storage rack
US3759642A (en) * 1971-10-26 1973-09-18 Grace W R & Co T-slot bolt
US3908330A (en) * 1973-06-18 1975-09-30 Werner Frach Securing means for fastening structural attachments to hollow metal or plastic shaped parts
US4069549A (en) * 1975-05-21 1978-01-24 Richard Heinze Fitting component anchored into a sunk seat
US4146074A (en) * 1977-10-07 1979-03-27 B-Line Systems, Inc. Fastener
US4413819A (en) * 1981-04-09 1983-11-08 Kurt Manufacturing Company, Inc. Vise clamp and swivel base vise using such clamp
US4496139A (en) * 1981-04-09 1985-01-29 Kurt Manufacturing Company, Inc. Vise clamp and swivel base vise using such clamp
US5312154A (en) * 1993-02-01 1994-05-17 Darrel Woodall Apparatus for holding down workpieces to be machined
US5695178A (en) * 1994-12-01 1997-12-09 Shanview Patents Limited Sliding block for clamping tools
US5608970A (en) * 1995-09-19 1997-03-11 Mount Shamrock Pty Ltd. Quick release truss clamp and method
DE29700737U1 (en) * 1997-01-16 1997-02-27 Halfen Gmbh & Co Kg Clamping screw
US20040020137A1 (en) * 2002-02-15 2004-02-05 Battey David J. Customizable partition system
US7461484B2 (en) 2002-02-15 2008-12-09 Steelcase Inc. Customizable partition system
US20040144058A1 (en) * 2002-03-01 2004-07-29 Zeh Mark A. Post and beam furniture system
US7249624B2 (en) 2002-03-01 2007-07-31 Steelcase Development Corporation Post and beam furniture system
US6751914B2 (en) 2002-03-01 2004-06-22 Steelcase Development Corporation Post and beam furniture system
US20090232616A1 (en) * 2008-03-07 2009-09-17 Unirac, Inc. Friction Lock Bolt
US8104754B1 (en) 2008-05-30 2012-01-31 Allen Ip Inc. Adjustable workpiece positioning and clamping system
US8469343B2 (en) 2008-05-30 2013-06-25 Allen Ip, Incorporated Adjustable track clamp
US9120205B2 (en) 2008-05-30 2015-09-01 Kreg Enterprises, Inc. Adjustable track clamp
US20110299957A1 (en) * 2010-06-03 2011-12-08 Preformed Line Products Company Module clamp and fastener apparatus
US8702335B2 (en) * 2010-06-03 2014-04-22 Preformed Line Products Company Module clamp and fastener apparatus
GB2501013A (en) * 2010-11-09 2013-10-09 Acs Stainless Steel Fixings Ltd A T-shaped fixing having a stepped profiled head
GB2501013B (en) * 2010-11-09 2015-05-13 Acs Stainless Steel Fixings Ltd A fixing for use with a channel attached to a building structure
GB2501014B (en) * 2010-11-09 2015-05-13 Acs Stainless Steel Fixings Ltd A fixing for use with a channel attached to a building structure
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