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Publication numberUS2500636 A
Publication typeGrant
Publication dateMar 14, 1950
Filing dateMar 27, 1945
Priority dateMar 27, 1945
Publication numberUS 2500636 A, US 2500636A, US-A-2500636, US2500636 A, US2500636A
InventorsStig Isakson
Original AssigneeGeorge W Schumacher
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hanging device for wooden beams
US 2500636 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

March 14, 1950 s. ISAKSON HANGING DEVICE FOR WOODEN BEAMS 2 Sheets-Sheet 1 Filed March 27, 1945 INVENTOR.

STIG ISAKSON March 14, 1950 Filed March 27, 1945 S. ISAKSQN HANGING DEVICE FOR WOODEN BEAMS 2 Sheets-Sheet 2 INVENTOR.

/STIG ISAKSON BY I Patented Mar. 14, 1950 UNITED STATES PATENT OFFICE DEVIGEFOR WOODEN BEAMS stig lsakson l ortland, reg.,assignor of one-half;-

A.-further object of ny invention is'addingbarbs along; the edge of the cutting blades to-further hold the beams in place. I

These and other incidental objects will be apparent in the drawings, specifications and claims.

In the drawings:

Figure 1 is a fragmentary section of a concrete wall having one of my new and improved brackets mounted therein.

Figure 2 is a fragmentary plan section of the wall as indicated in Figure 1, but illustrating my bracket by having a beam inserted in place.

Figure 3 is a sectional view, taken on line 33 of Figure 2, looking in the direction indicated, parts broken away for convenience of illustration.

Figure 4 is a modified form of the bracket illustrated in Figures 1, 2 and 3, said bracket being adapted to straddle a beam to which other beams are to be mounted at right angles from said beam.

Figure 5 is another modified form of holding bracket showing the fragmentary section of a concrete wall having the bracket moulded therein and supporting a beam adjacent the wall.

Figure 6 is a fragmentary plan view of the principle illustrated in Figure 5.

Figure 7 illustrates my invention being adapted for use in scaffolding and the like, wherein the vertical uprights are joined together by the device ready for cross beams to be inserted within the holding brackets.

Figure 8 is a sectional plan view of Figure 7, illustrating the uprights in position, together with the connecting beams mounted within the brackets.

Figure 9 is a side View of Figures '7 and 8, partially broken away for convenience of illustration.

Figure 10 is another preferred form of arranging the holding brackets relative to the device for connecting the uprights together.

In the drawings:

My invention consists primarily of providing a bracket I for receiving a beam 2, preferably of wood, wherein the beam is driven in place and held therein by penetrating ribs or cutting blades to- Ge orge W. Schumacher, Portland, Greg, Application- March 2-7; 1945,- 'Serial 'No. 585,138

' e oiaims. (01. 304 -40) 3. In the case where beams are joined to side. walls the bracket; illustrated inrFigures 1, 2, 3, 4', 5 and. 6 are employed; although I'do not wish tobe. limited to the exact structure-as illustrated. The primary object being that once. the beamisidriven in place the ribs 3 or cutting blades form a groove. 4, within the beam for securely holding the beam in place withoutthe use of nails, bolts or the like.

I have shown in Figures 5, and; 6 a bracket-,5. of somewhat different. construction, where the same is provided forholding a beam Eadjace the wall I. the beam so thatwhen the same is driven into place this cutting edge will cut into the beam at 9 preventing endwise movement of the beam. The only way of removing the beam is to remove it by lifting it away from the bracket in the opposite direction to that in which it was driven into the bracket.

Referring to Figures '7, 8, 9 and 10, I have illustrated my invention as it would be used in connection with scaffolding and the like. I have illustrated a tubular device Ill for joining vertical scaffolding I l together and at the same time providing for lateral beam supporting brackets 12. Spacers [3 are provided for separating the ends of the vertical scaffolding l I. The lateral beams M are dropped into the brackets I2 as illustrated in Figure 8 and driven downwardly causing the cutting edges iii to penetrate the beams at I6,

securely locking them in place. Each cutting edge may have barbs ll formed in the cutting edges I5 for further preventing the beams from being removed.

Holes l8 are provided for inserting tie rods for further binding the scafiolding assembly together. I have illustrated a modified form of holding bracket assembly in Figure 10 where the scaffolding joint ID has holding brackets I9 located centrally of the side walls of the joint and having base plates 20 upon which the beams can rest. Braces 2! are also provided for preventing lateral movement of the bracket l9.

Referring to Figure 10, I have substituted a removable spacing bar 22 for the turned in spacers l3, as illustrated in Figure 8 for separating the ends of the uprights. This removable bar is held in place by a suitable locking device as bolt 23, the bar itself passing through the opening 24 and across the joint assembly In. The object of having a removable bar is to provide assembly and disassembly of the uprights midway their lengths instead of having to disassemble the whole scaffolding in order to remove the jointing device ID.

A cu t ng; ed 3. s. for ed ewlia ev In the operation of my new and improved holding bracket the beams are registered with the bracket, then driven down into the bracket, the bracket having a cutting edge adjacent the beam for cutting a groove within the beam so that lateral or end movement of the beam is prevented while being held by the bracket, this is the principle object of my invention.

I do not wish to be limited to the exact structure as illustrated, as other mechanical equivalents may be substituted still coming within the scope of my claims.

What is claimed as new is:

1. A metal scafiold bracket comprising a vertical sleeve for fitting about a scafiold upright,

means on said sleeve for securing it on the scaf-- scafiold cross-members between said upright porfold upright, support members extending laterr as the latter are forced into position and for holdally from said sleevefor supportin horizontal wooden scafiold cross-members, upright portions onsaid support members and spaced from said sleeve to receive the wooden scaffold cross-members'between said upright portions and said sleeve to laterally confine said wooden cross-members.

and cutting edges on the inner sides of said up rightrportions to cut into the adjacent sides of the wooden cross-members as the latter are their seats on the support members.

tions and said sleeve to laterally confine said wooden cross-members, and cutting edges on the inner sides of said upright portions to cut into the adjacent sides of the wooden cross-members ing said wooden cross-members against longitudinal movement.


REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 101,825 Clinger Apr. 12, 1870 409,893 Wray Aug. 27, 1889 1,664,499 Baker Apr. 3, 1928 2,037,736 Payne et a1 Apr. 21, 1936 2,323,195 Bouchillon June 29, 1943

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US101825 *Apr 12, 1870 Improved seat and cap for tie and sill-plate
US409893 *Apr 3, 1889Aug 27, 1889 Robert wray
US1664499 *Jul 12, 1926Apr 3, 1928Baker Hugh JBeam hanger
US2037736 *Dec 14, 1934Apr 21, 1936Crane Packing CoJointed structure
US2323195 *Aug 30, 1941Jun 29, 1943Bouchillon Farris OScaffolding
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2765087 *May 27, 1954Oct 2, 1956Weinbaum Dave LPallet racks, staging, shelving and skid racks
US3036347 *May 31, 1957May 29, 1962Easybow Engineering & Res CoJoist hanger
US3077959 *Jul 17, 1959Feb 19, 1963Rapids Standard Co IncPressure fitting
US3633950 *Oct 8, 1970Jan 11, 1972Simpson CoGrip groove hanger
US3788024 *Oct 15, 1971Jan 29, 1974Fokker VfwOpen framework, especially for building purposes
US4277040 *Jul 14, 1978Jul 7, 1981Damon CorporationKite strut connector
US4411548 *Jun 8, 1981Oct 25, 1983P. H. Bowman Co., Inc.Joist hanger
US4713923 *May 13, 1985Dec 22, 1987United Steel Products CompanyMethod and means for building a pitched roof building using only square-end framing members
US4802786 *Nov 3, 1987Feb 7, 1989Mitek Industries, Inc.Joist hanger
US5367853 *Mar 5, 1993Nov 29, 1994Bryan; RobertPrefabricated deck system
US6523321Aug 27, 1999Feb 25, 2003Simpson Strong-Tie Company, Inc.Snap-in hanger
US7334372Oct 15, 2004Feb 26, 2008Simpson Strong-Tie Co., Inc.Top flange hanger with strengthening embossment
US8181742 *Jul 6, 2007May 22, 2012Ranese Thomas FSafety jack plate
US8250827Jun 26, 2006Aug 28, 2012Simpson Strong-Tie Company, Inc.Hanger with gripping tabs
US20050287938 *Oct 18, 2004Dec 29, 2005Goei Co. Ltd.Cutting apparatus with dust discharging
U.S. Classification403/169, 52/703, 248/218.4, 52/370, 52/369, 52/702, 248/357, 211/86.1, 403/398, 403/391, 182/82
International ClassificationE04B1/26
Cooperative ClassificationE04B1/2612
European ClassificationE04B1/26B2