US2503388A - Door hanger and trolley - Google Patents

Door hanger and trolley Download PDF

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Publication number
US2503388A
US2503388A US1884A US188448A US2503388A US 2503388 A US2503388 A US 2503388A US 1884 A US1884 A US 1884A US 188448 A US188448 A US 188448A US 2503388 A US2503388 A US 2503388A
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Prior art keywords
door
members
trolley
vertical
threaded
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Expired - Lifetime
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US1884A
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Hedlund Carl Leonard
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/0007—Implements for finishing work on buildings for mounting doors, windows or frames; their fitting
    • E04F21/0023—Implements for finishing work on buildings for mounting doors, windows or frames; their fitting for mounting door leaves, window sashes or the like
    • 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
    • Y10S269/00—Work holders
    • Y10S269/905—Work holder for doors and door frames

Definitions

  • Patented Apr. 11, 1950 UNITED STATES PATENT OFFICE Carl Leonard Hedlund, Pasadena, Calif.
  • My invention relates to the art of door construction, and particularly concerns a device for conveying unhung doors and placing same in position for hanging within the door frame.
  • the principal object of my invention is to provide a, device adaptable to receive, support and clamp securely a door in a position whereby the door might be hung as by hinges within the door frame.
  • Another object of my invention is to provide my device as having means adapted to level the door before hanging in the proper position with respect to floor and door frame.
  • a further object of my invention is to provide means on my device to raise the door preparatory to hanging to specified desired heights.
  • Figure 1 shows a perspective view of my door hanger and trolley.
  • Figure 2 shows a vertical sectional view thereof taken on the line 22 of Figure 3.
  • Figure 3 shows a side elevational view of my door hanger in place within a door frame with a door clamped therein.
  • Figure 4 shows a top view of my door hanger with a door clamp therein in the position which it might assume during the lining up and connecting together of hinge halves after each hinge half has been screwed in jamb and door respectively.
  • Figure 5 shows a detail section on line 5-5 of Figure 2.
  • Figure 6 shows a detail section of one of the clamping units of my door hanger.
  • my device comprises a bed plate l8 having secured thereto in common fashion, as by welding, the angle irons I2 to which are welded vertically extending angle irons l4 and I5.
  • Horizontal bracing member 16 is welded to the tops of the vertical members l5, and bracing members I 8 extend from the vertical members l5 to the vertical members 14.
  • the structure thus described provides thus a horizontal channeled bed 20 and vertical supporting members into which may be slid a door 24.
  • the bottom of the said door 24 rests upon the bed plate l0, and clamps 26 are provided to clamp the said door against adjacent members l4, l2, and I5, respectively.
  • the clamps 26 are supported in threaded bores 28 of the members l4 and I5 opposite their respective members just referred to, and comprise a threaded shaft 38, a handle disk 32, and a contact disk 34 which is secured to the shaft 30.
  • each of the supporting members 36 and 38 Extending horizontally from and welded to the vertical members I4 are two L-shaped supporting members 38, and likewise extending from and welded to the vertical members l5 are two L- shaped supporting members 38, the members 38 being supported by welded bracing members 40.
  • a threaded bore 42 into which is threaded a threaded screw shaft 44 having a bored periphery which receives the stub shaft 46 of a supporting member 48 for a roller 55, said supporting member 48 being provided with ball bearings 52.
  • a disk-like handle 54 forms the top of each threaded shaft 44.
  • each of the supporting members 36 and 38 and about the threaded shafts 44 Carried by each of the supporting members 36 and 38 and about the threaded shafts 44 are spacer collars 56 which engage lock nuts 58 which thread onto the threaded shafts 44. It will be noted that the handles 54 are welded atop the threaded shafts 44 after said shafts are threaded into the supporting members 36 and 38 and after the collars 56 and lock nuts 58 are in place.
  • Each of the horizontal angle iron members l2 carries a common carpenters level 68 parallel to itself and parallel to the bottom edge of the door being supported, while each of the supporting arms 38 likewise carries a carpenter's level 6! perpendicular to the door plane.
  • the door 24 is placed on the bed plate Ill and the clamps 26 are screwed into engagement with said door, clamping same securely against the members l4, l2, and I5.
  • the door When the door is ready for installation within its frame, the door is rolled by the rollers 50 adjacent said frame and aligned by means of the handles 54 which turn the threaded shafts 44.
  • the bottom edge of the door may be adjusted to any desired distance from the floor and the door aligned to a true position with respect to the floor by adjustment of the handles 54 to balance the levels 60.
  • ] parallel to the bottom and top edges of the door the door is properly aligned with its vertical edges parallel to the vertical edges of the door frame, while by virtue of the levels 6
  • the door being properly aligned, its hinge-side edge may be brought adjacent the door frame and the'hingelhalves aligned as shown in Figure 4.
  • the hinges being connected and the door hung, the clamps 26 may be loosened and the entire device rolled upon its rollers out from under the now freely supported door.
  • a door supporting device comprising: a hori- .zontal bed; -vertical dooresupporting -mem-bers ,carried bysaid bed; clamping membersadapted .tosecure said dooriagainst. said vertical supporting members; a .framework ,carriedby. said horizontal bed.

Description

April 11, 1950 c. L. HEDLUND 2,503,388
DOOR HANGER AND TROLLEY A Filed Jan. 12, 1948 Mum # lNVENTOR.
W {WW/9M BY M - 7 M ATTORNEYS.
Patented Apr. 11, 1950 UNITED STATES PATENT OFFICE Carl Leonard Hedlund, Pasadena, Calif.
Application January 12, 1948, Serial No. 1,884
My invention relates to the art of door construction, and particularly concerns a device for conveying unhung doors and placing same in position for hanging within the door frame.
The principal object of my invention is to provide a, device adaptable to receive, support and clamp securely a door in a position whereby the door might be hung as by hinges within the door frame.
It is a further object of my invention to provide said device adaptable to receive and support a door during the planing of said door, the installation of hardware on said door and the like.
Another object of my invention is to provide my device as having means adapted to level the door before hanging in the proper position with respect to floor and door frame.
And a further object of my invention is to provide means on my device to raise the door preparatory to hanging to specified desired heights.
Further objects, advantages and features ap pear in the hereinafter annexed specification in which:
Figure 1 shows a perspective view of my door hanger and trolley.
Figure 2 shows a vertical sectional view thereof taken on the line 22 of Figure 3.
Figure 3 shows a side elevational view of my door hanger in place within a door frame with a door clamped therein.
Figure 4 shows a top view of my door hanger with a door clamp therein in the position which it might assume during the lining up and connecting together of hinge halves after each hinge half has been screwed in jamb and door respectively.
Figure 5 shows a detail section on line 5-5 of Figure 2.
Figure 6 shows a detail section of one of the clamping units of my door hanger.
Referring to the drawings, my device comprises a bed plate l8 having secured thereto in common fashion, as by welding, the angle irons I2 to which are welded vertically extending angle irons l4 and I5. Horizontal bracing member 16 is welded to the tops of the vertical members l5, and bracing members I 8 extend from the vertical members l5 to the vertical members 14. The structure thus described provides thus a horizontal channeled bed 20 and vertical supporting members into which may be slid a door 24. The bottom of the said door 24 rests upon the bed plate l0, and clamps 26 are provided to clamp the said door against adjacent members l4, l2, and I5, respectively.
1 Claim. (Cl. 214--1) The clamps 26 are supported in threaded bores 28 of the members l4 and I5 opposite their respective members just referred to, and comprise a threaded shaft 38, a handle disk 32, and a contact disk 34 which is secured to the shaft 30.
Extending horizontally from and welded to the vertical members I4 are two L-shaped supporting members 38, and likewise extending from and welded to the vertical members l5 are two L- shaped supporting members 38, the members 38 being supported by welded bracing members 40. As shown in Figure 5, at the extremity of each of the supporting members 36 and 38 is a threaded bore 42 into which is threaded a threaded screw shaft 44 having a bored periphery which receives the stub shaft 46 of a supporting member 48 for a roller 55, said supporting member 48 being provided with ball bearings 52. A disk-like handle 54 forms the top of each threaded shaft 44. Carried by each of the supporting members 36 and 38 and about the threaded shafts 44 are spacer collars 56 which engage lock nuts 58 which thread onto the threaded shafts 44. It will be noted that the handles 54 are welded atop the threaded shafts 44 after said shafts are threaded into the supporting members 36 and 38 and after the collars 56 and lock nuts 58 are in place.
Each of the horizontal angle iron members l2 carries a common carpenters level 68 parallel to itself and parallel to the bottom edge of the door being supported, while each of the supporting arms 38 likewise carries a carpenter's level 6! perpendicular to the door plane.
In operation, the door 24 is placed on the bed plate Ill and the clamps 26 are screwed into engagement with said door, clamping same securely against the members l4, l2, and I5. At
this point any door planing necessary may be done, hardware installed, and the like. When the door is ready for installation within its frame, the door is rolled by the rollers 50 adjacent said frame and aligned by means of the handles 54 which turn the threaded shafts 44. The bottom edge of the door may be adjusted to any desired distance from the floor and the door aligned to a true position with respect to the floor by adjustment of the handles 54 to balance the levels 60. By virtue of the levels 6|] parallel to the bottom and top edges of the door, the door is properly aligned with its vertical edges parallel to the vertical edges of the door frame, while by virtue of the levels 6| on the supporting members 38, the door plane itself may be made coincident with the hinge-side vertical edge of the door frame. This is to say that by properly leveling the two sets of levels the door may be rendered truly aligned with respect to the door frame. It is, of course, obvious that matching pairs of carpenters levels are not necessary and that there need be but one level parallel to the lower edge of the door and one level perpendicular to the plane of the door.
The door being properly aligned, its hinge-side edge may be brought adjacent the door frame and the'hingelhalves aligned as shown in Figure 4. The hinges being connected and the door hung, the clamps 26 may be loosened and the entire device rolled upon its rollers out from under the now freely supported door.
Having fully described my invention, it is to be understood that I do not wish to-be limited to the details herein set forth, ,but my.. nventi0n is of the full scope of the appended claim.
I claim:
A door supporting device comprising: a hori- .zontal bed; -vertical dooresupporting -mem-bers ,carried bysaid bed; clamping membersadapted .tosecure said dooriagainst. said vertical supporting members; a .framework ,carriedby. said horizontal bed.
CARL LEONARD HEDLUND.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,422,272 Jaskowiak July 11, 1922 1,573,840 Lyday Feb. 23, 1926 1,606,634 Hinds Nov. 9, 1926 1,687,532 Waltke Oct. 16, 1928 1,857,653 Meyercord et a1. May 10, 1932 2,127,972 Hutchinson et a1. Aug. 23, 1938 2,418,580 Jenkins Apr. 8,1947
US1884A 1948-01-12 1948-01-12 Door hanger and trolley Expired - Lifetime US2503388A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908403A (en) * 1956-04-11 1959-10-13 Jr Herbert M Browder Device for removing and installing automobile doors
US2967627A (en) * 1958-06-23 1961-01-10 Marvin M Vinson Door dolly and jack
US3458057A (en) * 1968-07-01 1969-07-29 Goodyear Tire & Rubber Door handling fixture
US3458056A (en) * 1968-06-24 1969-07-29 Goodyear Tire & Rubber Door handling apparatus
US3625504A (en) * 1969-12-10 1971-12-07 Garvie Walker Tilting door table
US3861662A (en) * 1973-12-10 1975-01-21 Carl W Morse Combined door carrier and hanging device
US3871054A (en) * 1974-03-11 1975-03-18 Theodore S Schaefer Dolly and method of using it to hang a door
US4050671A (en) * 1976-05-18 1977-09-27 Victor S. Mott Door hanger device
US4138099A (en) * 1978-04-17 1979-02-06 Englehart Clem C Materials handling device
US4270741A (en) * 1979-12-26 1981-06-02 Hurst Paul N Door vise
FR2523943A1 (en) * 1982-03-29 1983-09-30 Marais Serrurerie Guide for mounting and dismounting door - has roller frame and pedal operated lifting gear to adjust vertical position
US4492369A (en) * 1983-02-07 1985-01-08 Pohl Harold F Door lifting and centering device for hanging heavy doors
US4746141A (en) * 1986-06-23 1988-05-24 Willis William E Door carrier
GB2224688A (en) * 1988-09-20 1990-05-16 Kenneth Sidney Cowley A door hanging support
US4978132A (en) * 1989-09-14 1990-12-18 Wilson P Henry Pivotable hand truck apparatus
US5048806A (en) * 1990-07-02 1991-09-17 Stephen Deutsch Door hanging aid
US5244221A (en) * 1992-09-14 1993-09-14 Ward John S Multi-use hand truck
EP0609723A1 (en) * 1993-02-04 1994-08-10 EJOT VERBINDUNGSTECHNIK GmbH & Co. KG Adjustment device for a frame
US5584635A (en) * 1995-10-16 1996-12-17 Stapelmann; Frank Carriage for a construction panel
US5799447A (en) * 1997-07-11 1998-09-01 Lee; Kou-An Apparatus for moving a wall form assembly
US5845892A (en) * 1997-07-11 1998-12-08 Lee; Kou-An Pushing apparatus for pushing a wall form assembly
US5893255A (en) * 1997-07-11 1999-04-13 Lee; Kou-An Method for locating a wall form assembly on a floor of a concrete structure, and implements for use in said locating method
US5927731A (en) * 1996-08-28 1999-07-27 Clarke; John P. Door trolley
US6231034B1 (en) * 1999-10-27 2001-05-15 Michael R. Walker Door mounting apparatus
US6241447B1 (en) * 1998-08-14 2001-06-05 James E. Echternacht Carriage for a construction panel
DE10203426A1 (en) * 2002-01-28 2003-08-14 Wizorek Mathias Lifting and transport unit, in particular, for door systems comprises a wheel-mounted main frame which has an adjustable height and is provided with at least one clamping device
DE10209000A1 (en) * 2002-02-28 2003-09-18 Joerg Von Seggern Gmbh Device for receiving and / or transporting at least one functional part of a technical device
GB2395515A (en) * 2002-11-21 2004-05-26 Declan Gallagher Door lifting device
US20040217532A1 (en) * 2003-05-02 2004-11-04 Eberle Harry W. Portable, adjustable vertical work holder device
GB2420371A (en) * 2004-11-17 2006-05-24 Mark Andrew Collett A door support frame
US20060197298A1 (en) * 2005-03-03 2006-09-07 Shore Larry H Dolly for dock plates
GB2424668A (en) * 2005-03-30 2006-10-04 Damion Wilcox Wheeled door stabiliser
US20070018417A1 (en) * 2005-07-25 2007-01-25 Felix Ponce Portable door holder
US20070020071A1 (en) * 2005-07-19 2007-01-25 Williams David L Door dolly apparatus
GB2431391A (en) * 2005-08-17 2007-04-25 Stephen Folan Door hanging aid
US20080014072A1 (en) * 2006-07-13 2008-01-17 Jorg Von Seggern Maschinenbau Gmbh Configuration for accommodating, transferring and/or transporting at least one functional part of a technical device
US20080093811A1 (en) * 2005-07-19 2008-04-24 Williams David L Panel dolly apparatus
US20090096180A1 (en) * 2007-10-16 2009-04-16 Hallmark Stone Company Devices for supporting and transporting sheet materials
US20090096144A1 (en) * 2007-10-16 2009-04-16 Daniel Mark White Door carrier and mounting device
US20090178368A1 (en) * 2008-01-15 2009-07-16 Jeff Paddock Apparatus and method for window jamb installation
US7780389B1 (en) * 2007-10-18 2010-08-24 Telpro, Inc. Door installation system
US20100236188A1 (en) * 2009-03-23 2010-09-23 Larry Charles Campbell Door transport and installation system
US20120267588A1 (en) * 2011-04-25 2012-10-25 Adrian Dunca Door Lifting and Holding Tool
FR3007750A1 (en) * 2013-06-27 2015-01-02 Baumert MOVABLE LIFTING CHASSIS FOR POSITIONING OR REMOVAL OF A PIVOTING DOOR OPENER
US20170151491A1 (en) * 2015-12-01 2017-06-01 Barry Collins Apparatus and method for installing and removing panels
US20190009809A1 (en) * 2017-07-05 2019-01-10 James Jacob Newenhouse Transportation Brackets
CN111606272A (en) * 2020-06-01 2020-09-01 蚌埠龙淮建筑科技有限公司 Auxiliary iron door installation equipment for building construction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1422272A (en) * 1921-12-14 1922-07-11 Jaskowiak Frank Bench or floor dog
US1573840A (en) * 1925-03-21 1926-02-23 Lyday John Foundry truck
US1606634A (en) * 1925-06-09 1926-11-09 Hinds Frank Door holder
US1687532A (en) * 1927-08-19 1928-10-16 Waltke Henry George Doorframing device
US1857653A (en) * 1931-04-16 1932-05-10 Haskelite Mfg Corp Shipping container or freight car body section
US2127972A (en) * 1935-06-21 1938-08-23 Hutchinson Allan Robert Means for supporting removable vehicle bodies
US2418580A (en) * 1942-10-20 1947-04-08 John M Crom Method of constructing tile lined tanks

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1422272A (en) * 1921-12-14 1922-07-11 Jaskowiak Frank Bench or floor dog
US1573840A (en) * 1925-03-21 1926-02-23 Lyday John Foundry truck
US1606634A (en) * 1925-06-09 1926-11-09 Hinds Frank Door holder
US1687532A (en) * 1927-08-19 1928-10-16 Waltke Henry George Doorframing device
US1857653A (en) * 1931-04-16 1932-05-10 Haskelite Mfg Corp Shipping container or freight car body section
US2127972A (en) * 1935-06-21 1938-08-23 Hutchinson Allan Robert Means for supporting removable vehicle bodies
US2418580A (en) * 1942-10-20 1947-04-08 John M Crom Method of constructing tile lined tanks

Cited By (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908403A (en) * 1956-04-11 1959-10-13 Jr Herbert M Browder Device for removing and installing automobile doors
US2967627A (en) * 1958-06-23 1961-01-10 Marvin M Vinson Door dolly and jack
US3458056A (en) * 1968-06-24 1969-07-29 Goodyear Tire & Rubber Door handling apparatus
US3458057A (en) * 1968-07-01 1969-07-29 Goodyear Tire & Rubber Door handling fixture
US3625504A (en) * 1969-12-10 1971-12-07 Garvie Walker Tilting door table
US3861662A (en) * 1973-12-10 1975-01-21 Carl W Morse Combined door carrier and hanging device
US3871054A (en) * 1974-03-11 1975-03-18 Theodore S Schaefer Dolly and method of using it to hang a door
US4050671A (en) * 1976-05-18 1977-09-27 Victor S. Mott Door hanger device
US4138099A (en) * 1978-04-17 1979-02-06 Englehart Clem C Materials handling device
US4270741A (en) * 1979-12-26 1981-06-02 Hurst Paul N Door vise
FR2523943A1 (en) * 1982-03-29 1983-09-30 Marais Serrurerie Guide for mounting and dismounting door - has roller frame and pedal operated lifting gear to adjust vertical position
US4492369A (en) * 1983-02-07 1985-01-08 Pohl Harold F Door lifting and centering device for hanging heavy doors
US4746141A (en) * 1986-06-23 1988-05-24 Willis William E Door carrier
GB2224688A (en) * 1988-09-20 1990-05-16 Kenneth Sidney Cowley A door hanging support
US4978132A (en) * 1989-09-14 1990-12-18 Wilson P Henry Pivotable hand truck apparatus
US5048806A (en) * 1990-07-02 1991-09-17 Stephen Deutsch Door hanging aid
US5244221A (en) * 1992-09-14 1993-09-14 Ward John S Multi-use hand truck
EP0609723A1 (en) * 1993-02-04 1994-08-10 EJOT VERBINDUNGSTECHNIK GmbH & Co. KG Adjustment device for a frame
US5584635A (en) * 1995-10-16 1996-12-17 Stapelmann; Frank Carriage for a construction panel
US5927731A (en) * 1996-08-28 1999-07-27 Clarke; John P. Door trolley
US5893255A (en) * 1997-07-11 1999-04-13 Lee; Kou-An Method for locating a wall form assembly on a floor of a concrete structure, and implements for use in said locating method
US5845892A (en) * 1997-07-11 1998-12-08 Lee; Kou-An Pushing apparatus for pushing a wall form assembly
US5799447A (en) * 1997-07-11 1998-09-01 Lee; Kou-An Apparatus for moving a wall form assembly
US6241447B1 (en) * 1998-08-14 2001-06-05 James E. Echternacht Carriage for a construction panel
US6579051B2 (en) * 1998-08-14 2003-06-17 James E. Echternacht Carriage for a construction panel
US6231034B1 (en) * 1999-10-27 2001-05-15 Michael R. Walker Door mounting apparatus
DE10203426A1 (en) * 2002-01-28 2003-08-14 Wizorek Mathias Lifting and transport unit, in particular, for door systems comprises a wheel-mounted main frame which has an adjustable height and is provided with at least one clamping device
DE10209000A1 (en) * 2002-02-28 2003-09-18 Joerg Von Seggern Gmbh Device for receiving and / or transporting at least one functional part of a technical device
DE10209000B4 (en) * 2002-02-28 2005-06-02 Jörg von Seggern GmbH Device for receiving and / or transporting at least one functional part of a technical device
GB2395515A (en) * 2002-11-21 2004-05-26 Declan Gallagher Door lifting device
US20040217532A1 (en) * 2003-05-02 2004-11-04 Eberle Harry W. Portable, adjustable vertical work holder device
US6886821B2 (en) 2003-05-02 2005-05-03 Blue Heron Enterprises, Llc Portable, adjustable vertical work holder device
GB2420371A (en) * 2004-11-17 2006-05-24 Mark Andrew Collett A door support frame
US20060197298A1 (en) * 2005-03-03 2006-09-07 Shore Larry H Dolly for dock plates
US7207578B2 (en) * 2005-03-03 2007-04-24 Shore Larry H Dolly for dock plates
GB2424668A (en) * 2005-03-30 2006-10-04 Damion Wilcox Wheeled door stabiliser
US20070020071A1 (en) * 2005-07-19 2007-01-25 Williams David L Door dolly apparatus
US8002510B2 (en) 2005-07-19 2011-08-23 Williams David L Panel dolly apparatus
US20080093811A1 (en) * 2005-07-19 2008-04-24 Williams David L Panel dolly apparatus
US20070018417A1 (en) * 2005-07-25 2007-01-25 Felix Ponce Portable door holder
GB2431391A (en) * 2005-08-17 2007-04-25 Stephen Folan Door hanging aid
US20080014072A1 (en) * 2006-07-13 2008-01-17 Jorg Von Seggern Maschinenbau Gmbh Configuration for accommodating, transferring and/or transporting at least one functional part of a technical device
US20090096144A1 (en) * 2007-10-16 2009-04-16 Daniel Mark White Door carrier and mounting device
US8601651B2 (en) 2007-10-16 2013-12-10 Hallmark Stone Company Devices for supporting and transporting sheet materials
US20100019116A1 (en) * 2007-10-16 2010-01-28 Hallmark Stone Company Devices for supporting and transporting sheet materials
US20090096180A1 (en) * 2007-10-16 2009-04-16 Hallmark Stone Company Devices for supporting and transporting sheet materials
US7784802B2 (en) * 2007-10-16 2010-08-31 Daniel Mark White Door carrier and mounting device
US7780389B1 (en) * 2007-10-18 2010-08-24 Telpro, Inc. Door installation system
US20090178368A1 (en) * 2008-01-15 2009-07-16 Jeff Paddock Apparatus and method for window jamb installation
US20100236188A1 (en) * 2009-03-23 2010-09-23 Larry Charles Campbell Door transport and installation system
US20120267588A1 (en) * 2011-04-25 2012-10-25 Adrian Dunca Door Lifting and Holding Tool
US8517342B2 (en) * 2011-04-25 2013-08-27 Adrian Dunca Door lifting and holding tool
FR3007750A1 (en) * 2013-06-27 2015-01-02 Baumert MOVABLE LIFTING CHASSIS FOR POSITIONING OR REMOVAL OF A PIVOTING DOOR OPENER
US20170151491A1 (en) * 2015-12-01 2017-06-01 Barry Collins Apparatus and method for installing and removing panels
US10226684B2 (en) * 2015-12-01 2019-03-12 Barry Collins Apparatus and method for installing and removing panels
US11135506B2 (en) 2015-12-01 2021-10-05 Barry Collins Apparatus and method for installing and removing panels
US11666818B2 (en) 2015-12-01 2023-06-06 Barry Collins Apparatus and method for installing and removing panels
US20190009809A1 (en) * 2017-07-05 2019-01-10 James Jacob Newenhouse Transportation Brackets
CN111606272A (en) * 2020-06-01 2020-09-01 蚌埠龙淮建筑科技有限公司 Auxiliary iron door installation equipment for building construction
CN111606272B (en) * 2020-06-01 2021-09-21 江西宏巍建筑工程有限公司 Auxiliary iron door installation equipment for building construction

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