US2804673A

US2804673A - Concrete beam form supports

Info

Publication number: US2804673A
Application number: US435206A
Authority: US
Inventors: Fortunat B Fex
Original assignee: Individual
Current assignee: Individual
Priority date: 1954-06-08
Filing date: 1954-06-08
Publication date: 1957-09-03
Anticipated expiration: 1974-09-03

Description

Sept. 3, 1957 F. B. FEX

CONCRETE BEAM FORM SUPPORTS 3 Sheets-Sheet 1 Filed June 8, 1954 IN V EN TOR. Foe TUNA T 5 FEX,

ZZ WW wflm'alzm A TTOeA/EYS.

Sept. 3, 1957 Filed June 8, 1954 F. B. FEX

CONCRETE BEAM FORM SUPPORTS 3 Sheets-Sheet 2 L 7@ fir 6 m Z8 67 u,

0 i a o o o 0 \JZA I /Z 3 68 as 88 4 INVENTOR. FOBTd/AAQT 5. FE)

Sept. 3, 1957 Filed June 8, 1954 F. B. FEX

CONCRETE BEAM FORM SUPPORTS F019 TVA/147' 5.

3 Sheets-Sheet 3 INVENTOR.

Unite Stes Patent ce CONCRETE BEAM FORM SUPPORTS Fortunat B. Fex, Westmont City, Montreal, Quebec, Canada Application June 8, 1954, Serial No. 435,206

Claims. (Cl. 25131.5)

This invention relates to supports and more particularly to supports for concrete forms.

It is an object of this invention to provide a concrete form support which may be employed for use with concrete forms spanning various widths and which have various inclinations, due to the extensible and inclinable features of the support.

Another object of this invention is to provide a concrete form support particularly adapted for use in connection with concrete floor forms and concrete beam forms employed in the erection of a building structure, the support including means whereby the floor or beam to be poured in the form will be supported in the desired level or inclined position with a high degree of predetermined accuracy.

Yet another object of the invention is the provision of a concrete form support which is of simple, yet rugged, construction capable of repeated use over an extended period of time, and which is adaptable for use in the various types of concrete forms employed in the erection of a building structure.

Other objects and advantages Will become apparent from a consideration of the following detailed description, forming the specification, and taken in conjunction with the accompanying drawings, in which:

Figure 1 is an exploded perspective view of the concrete form engaging support embodying this invention;

Figure 2 is a fragmentary longitudinal cross sectional View of the securing arrangement between the beam and a supporting brace of the support;

Figure 3 is an elevational view of the support arranged for use in connection with a concrete floor form;

Figure 4 is an elevational view, similar to Figure 3, but showing the support in an inclined position of adjustment;

Figure 5 is an elevational view of the support arranged for use in connection with a concrete beam form;

Figure 6 is a fragmentary exploded perspective view of a modified form of the support wherein the bracket is of a different construction;

Figure 7 is an elevational view of the modified form of Figure 6 as employed to support a concrete form of a specific shape;

Figure 8 is an elevational view, partially broken away of a micrometric adjusting device to be employed in connection with the post or standard to which the concrete form engaging support is operatively connected; and

Figure 9 is an exploded perspective view of the latching means carried by the post or standard in relation thereto as shown in Figure 8.

With continued reference to the drawings, in which like reference characters indicate like elements throughout, there is shown a support for concrete forms, generally indicated at 10.

The support 10 comprises a central member 12 in the form of a solid, elongated rectangular beam, preferably made of Wood, but which may be of other suitable materials, such as metal.

The beam 12 is provided with a 2,804,67? Patented Sept. 3, 1957 pair of aligned, spaced

slots

14 and 16 extending transversely and centrally therethrough. The

slots

14 and 16 being closed and spaced equidistantly from the midpoint of the beam 12 and also spaced from the opposite ends .18 and 20 of the beam 12.

A reinforcing metal plate 22 is provided with a plurality of longitudinally spaced openings 24 therethrough, and is adapted to be secured to the lower longitudinally extending face of the beam 12 by any suitable fastener means, such as the screws 26.

A pair of identical U-shaped metal channel members, generally indicated at 28 and 36, are adapted to seat upon the upper longitudinally extending face 32 of the beam 12 in oppositely disposed spaced relation with the web or bight 34 of each of the channels in overlying face to face contact with the upper face 32. The spaced parallel legs 36 and 38 of each of the channels 28 and 39 extend beyond the web or bight portion 34 at either end thereof and are adapted to overlie the opposite side faces of the beam 12 with the

cars

40 and 42, at one end of the channel, extending beyond the respective ends 18 and 20 of the beam 12 while the

ears

44 and 46 formed at the end of the legs 36 and 38 extending beyond the end of the web 34 remote from the end thereof from which the

ears

40 and 42 formed on the respective legs 36 and 38 extend.

Each of the

cars

44 and 46 of each of the channels is provided with a closed transversely extending slot 48 while the

ears

40 and 42 are provided with a plurality of spaced apart apertures 56. The slot 48 in each of the

channels

28 and 30 are adapted to extend transversely across the

respective slots

14 and 16 in the beam 12 and perpendicularly thereto so as to intersect the

slots

14 and 16 and receive through the intersecting, registering por tions a retaining bolt 52 so as to secure the

channels

28 and 30 in a selected adjusted position vertically and horizontally of the beam 12 with the

respective cars

44 and 46 of the channels in spaced relation, as shown in Figure 3.

A pair of brackets, generally indicated at 54 and 56, each comprises a solid block, preferably of wood, indicated at 58, and a pair of oppositely disposed attaching plates 60 and 62 having their straight portions secured to opposite sides of the block 58 and the arcuately formed, outwardly extending curved portions 64 having their concave faces in adjoining relation. The curved or arcuate portions 64 of each of the

brackets

54 and 56 are provided with central apertures therethrough so that the brackets may be secured to

respective rod extensions

66 and 68 which are telescopically received in the open upper end of the respective posts or standards, generally indicated at 70 and 72. The block 58 of each of the brackets is received between the

ears

46 and 42 of each of the channels and secured thereto by any suitable fastener means, such as nails or screws.

The

rod extensions

66 and 68 are each provided with a plurality of longitudinally spaced apertures 67 therethrough while the ends of the rods remote from the respective posts or standards in which they are received are each provided with a circular, disc-like head 76 disposed perpendicularly to the axis of the rod extension. It will be noted that the curved portions or jaws 64 are secured to the respective post extensions adjacent the heads 76 thereof by a suitable fastener means, such as bolts, passing through suitable aligned apertures in the curved portions or ears 64 and the post extensions 66 and 63.

A pair of identical braces, generally indicated at 78 and 80, of U-shaped cross section, are provided as reinforcing members for the beam 12 and the

channels

28 and 30 carried thereon.

Each 'of the

braces

78 and 80 are provided at one end with a pair of spaced parallel, upstanding cars 82 adapted angers 3. to overlie opposite sides of the respective channel members and secured to the beam 12 by the retaining bolts 52. The other end of the braces are each provided with a pair of longitudinally extending, arcuate, oppositely dis; Y. posed jaws 84, each jaw provided adjacentlitslfree .or terminal end with central openings transversely therethrough, adapted to register with a selected oneof the apertures 74 in the respective post. extensions, 66.and 68 and be secured thereto by a bolt passing through, theregistering apertures. That portion of the base or bight 861 extending between the cars 82 is provided with an opening centrally therebetween to threadingly receive therein a set screw 88 therein to engage onetofjthe openings 24 in, thereinforcing plate 22 so as to secure the braceat theend; thereof remote'fromthe end secured to the rod extensionto the beam-12.. Thus, a rigid structure, as shown in Figures 3 and 4, will result.

In-Figure 3 there is shown the use of the support-10 in connection with a concrete floor form A -to shore the same. The concrete form A is adapted to have poured therein a cementitiousmixture to make a concretefioor or slab having a uniform thicknessthroughout-and laid horizontally. A length of the support 10 is selectively adjusted by the simple expedient of varying the-position of the retaining bolts 52 along the longitudinally extending

slots

14 and 16. Thus, the length of the support 10 may be varied by moving the

channels

28 and 30 toward and away from each other, the amount of adjustment ,be-

ing limited only by the extent of the

guide slots

14 and 16 provided in the beam 12.

Where it is desired to make a concrete floor with a sloping undersurface, the

cars

44 and 46 are moved upwardly with the retaining bolt 52 moving in the vertical guide slots. 48, as shown in Figure 4. Thus, it;is possible to achieve any desired angular inclination of the the concrete floor will have a surface of lesser dimension at the center of its span than at the ends thereof.

Once the desired length of the support and the angular position of the channels are selectively adjusted, the channelsf28 and 30 are preferably secured to the bean1 12. by means of nails driven through the holes 29, spaced longitudinally adjacent the edge of the respectivelegs 40 The-

braces

78 and 42 of each of the journal members. and 80 may then be secured in place, in the manner hereinbefore set forth, and the set screws 88 tightened within theregistering opening 24 of the reinforcing plate 22.

In Figure 5, there is shown the manner in which the support-10 may bearranged to shore concrete beam forms. In this manner of employment, the

channel members

28 and 30 are secured at right angles to the beam 12 by use of the retaining bolts 52 passing through the registering slots 48 of each of the channels and the

respective slots

14 and 16 of the beam 12 with the upper face 32 of the beam received between the

cars

44 and 46 of each of the

channels

28 and 30 so that the channels extend perpendicularly to the longitudinal axis of the- The.

ing through the aligned openings in th ars 82 and a s uj t-;

ably aligned bore through the beam 12. Thejawsfi at the other end of the braces;,78,and80 aresecured gofrhe ears 4 m .42. ofthe re p tiv hmashmembsrs by. a:

suitable fastener means. Thus, the web or bight 34 will be placed in contact with the side walls C of the concrete beam form to support the same while the upper face 32 of the beam 12 will support the bottom wall or floor D of the form. The set screws 88 on each of the

braces

78 and 80 engage in openings 24 adjacent opposite ends of the beam 12. In this latter connection, and as clearly shown in Figure 2, the lower face of the beam 12 remote from the upper face 32 is provided with angularly extending bores 13 which open to the lower face and are in register with each one of the. openings 24 provided in the reinforcing plate 22 so that the set screw 88 threadingly received in the selected one of the openings will further engage in the bore 13. in register with the opening.

Thus, there has been provided a rigid structure for the support wherein the side walls and bottom wall of a concrete beam form may be supported. It will be apparent, that the

channel members

28 and 30 may be selectively adjusted so as to achieve the desired spacing therebetween by securing the retaining bolts 52 at a selected location along the longitudinal extent of the

respective guide slots

14 and 16 in the beam 12,.

The modification shown in Figure 6 has the

brackets

54 and 56 replaced by a U-shaped bracket, generally indi-. cated at 90,,and in which the opposite spaced parallel legs 92 thereof are received betweentheears 40 and. 42 r ofthe channel members ateither end of the beam 12 and permanently secured thereto by means of a bolt.9 4. The U-shaped. brackets serve to hold an inclined formed portion E at the junction between the concrete.

column form F and the floor form A. The head 76 of the associated standard is adapted to engage one of the lower inclined edges 96 of the legs 92 so as to maintain the bight .portion 98 in contact with the outer surface ofthe inclined junction E between the concrete column form F and the .floor form A, as indicated in Figure 2. It is contemplated that the end of the brace associated with the beam 12 and the channel member at either side of the medial center line of the beam, will have its end remote from the end secured to the beam secured to the adjacent rod extension of the post or standard in the manner hereinbefore set forth.

In order to maintain the

rod extensions

66 and 68 in a selected position of adjustment relative to its telescopic engagement with the open top end of the associated

standards

70 and 72, which perform the functions of jacks, there is shown in Figures 8 and 9 a clamping means, generally'indicated at 100, which for the purposes of description will be considered as applied to the standard 70 and its associated telescoping rod extension 66.,

' The clamp means 100 comprises a curved plate102. conforming to the curvature of the standard 70 to which it is to be applied. The curved plate 102 is provided with the laterally extending shelf 104 projecting perpendicularly therefrom adjacent one end thereof and having a longitudinally extending, closed slot 106 for the insertion of the flat Wedge 108 therethrough. A pin 110 is adapted to pass through transversely aligned openings in the standard 70 adjacent the flanged head 112.

at the top end thereof. The pin 110 also passes through the opening 114 provided in the curved plate 102 between the shelf 104 and the end of the curved plate remote from the end adjacent to which the end of they shelf 104 is disposed. The shank portion 111 of the pin 110 which extends beyond the registering openings fIt will be ,observed, that the pin 110 passes not onlythrough aligned openings in the standard .70 but also will.

pass through selected ones of the openings 67 through the rod extension 66, which are in spaced relation to each other longitudinally of the rod, so that the length of extension of the rod from the top of the standard may be selectively adjusted.

In order to prevent losing the separate parts of the clamping means 100, the pin 110 is provided with a hook 118 adjacent the head 169 thereof. The hook 118 is attached by means of a flexible line or cord 120 to the wider or upper end of the wedge 108 which is provided with an opening 122 therethrough to receive the other end of the cord 120. The cord or flexible line 120 will be tied at the wedge 108 after passing through the opening 122, and secured about the bight portion of the hook 118 at its other end, as shown in Figure 8. The wedge 108 is also provided with an opening 124 adjacent its lower or narrower end to receive the pin 126 which may pass through the cross grooves 128 of the slot 116 which prevents removal of the wedge 19% through the slot 106 of the shelf 1%.

Each of the posts or standards may be provided with a micrometric adjusting means, generally indicated at 128, for the purpose of gaining an accurate leveling of the concrete form to be supported, since the head 76 of each of the rod extensions will bear against the outer surface of the form to be supported in the case of the employment of the support in Figures 3 and 4 and against the brackets 95 in the modified form shown in Figure 6.

The micrometric means 128 comprises an externally threaded sleeve or bushing 130 having a flange end 132 resting on the top surface of the flange 112 with the sleeve or bushing 130 encirclingly carried by the rod extension 66, as viewed in Fig. 8, with the rod extension 66 adapted to be moved therethrough. The rod extension 66 is provided with a series of spaced, elongated longitudinally extending, closed slots 134 therethrough with a pin 136 extending therethrough. An internally threaded collar 138 is threadingly received on the external threads of the sleeve or bushing 130 with the pin 136 extending across the top edge 14%) thereof. The collar 138 also carries a handle 142 pivotally secured at one end and which may be raised in vertical arcuate path of movement to extend perpendicularly thereto whereby the collar 138 may be rotated to move longitudinally of the sleeve or bushing 130.

It will be apparent, that as the collar 138 is rotated so as to move longitudinally of the bushing 130, that the pin 136 will ride in the aligned slots 134 so as to follow the movement of the collar 133 to thus raise or lower the rod extension 66.

Of course, it will be realized, that the pin 110 will be removed to unlock the rod extension 66 from the standard '70 when the means 128 is to be employed. The weight of the supporting members will be transferred from the pin 110 to the pin 136 upon removal of the pin 110, so that the adjustment can be made by the means 128 which affords a very fine adjustment to maintain an absolute level in the form to be supported.

From the foregoing, it will be apparent that there has been provided a support for concrete forms which comprises in all of the forms illustrated, a beam 12 having spaced

longitudinal slots

14 and 16 transversely therethrough, a pair of

channel members

28 and 30 carried by the beam longitudinally thereof, each of the channel members having aligned transversely extending slots 48 therethrough registering with respective ones of the

slots

14 and 16, and fastener means in the form of the retaining bolts 52 insertible through said registrations for adjustably securing the channel members to the beam 12 with the registering slots defining guides for the fastener means to permit longitudinal and transverse adjustment of the

channel members

28 and 30 with respect to the beam 12. Thus, the support it is an extensible and inclinable support which may be so extended and inclined, within limits, to any desired selected position.

While there are shown and described the preferred embodiment of the invention, it is to be understood that the structure is susceptible to change and modification within the practicability of the invention and therefore should be limited only by the scope of the claims appended hereto.

What is claimed is:

1. A support for concrete forms comprising an elongated beam having a pair of spaced longitudinal slots transversely therethrough, a pair of U-shaped channel members telescopically seated upon said beam extending longitudinally therealong in spaced relation to each other, each of said members having a pair of spaced ears at their adjoining ends, each ear of said pairs having a transversely extending slot therethrough, a slot in one of said ears in alignment with the slot in the other of said ears, said aligned slots intersecting respective ones of the slots of said beam, and fastener means extending through said intersecting slots for adjustably securing said channel members to said beam with said intersecting slots defining guides for said means to permit selective longitudinal and transverse adjustment of said channel members with respect to said beam, each of said channel members having a pair of spaced ears at the ends thereof remote from said adjoining ends, said second mentioned pair of ears extending longitudinally from said channel member beyond the adjacent end of said beam, and a standard secured to each of said last mentioned pair of ears.

2. A support for concrete forms comprising an elongated beam having spaced longitudinal slots transversely therethrough, a pair of U-shaped channel members carried by said beam in spaced relation to each other, each of said members having a pair of spaced ears at their adjoining ends, each ear of said pairs having a transversely extending slot therethrough, a slot in one of said ears in alignment with the slot in the other of said ears, said aligned slots intersecting respective ones of the slots of said beam, and fastener means extending through said intersecting slots for adjustably securing said channel members to said beam with said intersecting slots defining guides for said means to permit selective longitudinal and transverse adjustment of said channel members with respect to said beam, each of said channel members having a pair of spaced ears at the ends thereof remote from said adjoining ends, said second-mentioned pair of cars extending longitudinally from said channel member beyond the adjacent end of said beam, a bracket secured at one end between said last named pair of ears, a pair of standards disposed at opposite ends of said beam adjacent said last mentioned pair of ears, said bracket having its other end secured to the adjacent one of said standards.

3. A support for concrete forms comprising an elongated beam having spaced longitudinal slots transversely therethrough, a pair of U-shaped channel members carried by said beam in spaced relation to each other, each of said members having a pair of spaced ears at their adjoining ends, each ear of said pairs having a transversely extending slot therethrough, a slot in one of said ears in alignment with the slot in the other of said ears, said aligned slots intersecting respective ones of the slots of said beam, and fastener means extending through said intersecting slots for adjustably securing said channel members to said beam with said intersecting slots defining guides for said means to permit selective longitudinal and transverse adjustment of said channel, each of said channel members having a pair of spaced ears at the ends thereof remote fro-m said adjoining ends, said secondmentioned pair of cars extending longitudinally from said channel member beyond the adjacent end of said beam, a bracket secured at one end between said last named pair of cars, a pair of standards disposed at opposite ends of said beam adjacent said last mentioned pair of ears,

"7 a said bracket having its other end secured to the adjacent one pf said standards, ,each of said, standards including an extension rod telescopically received in the open top end thereof, andmeans to secure said rod in a; selected adjusted telescopic relation to said standard.

4. A support for concrete forms comprising an elongated beam having spaced longitudinal slots transversely therethrough, a pair of U-shaped channel members carried by said beam in spaced relation to each other, each of said members having a pair of spaced cars at their adjoining ends, each ear of said pairs having a transversely extending slot therethrough, a slot in one of said ears in alignment with the slot in the other of said ears, said .alignedslots intersecting respective ones of the slots of said beam, and fastener means extending through said intersecting slots for adjustably securing said channel membersto said beam with said intersecting slots defining guidesfor said means to, permit selective longitudinal and transverse adjustment of said channel, each of said channel members having a pair of spaced ears at the ends thereof remote from said adjoining ends, ,said secondmentioned pair of ears extending longitudinally from said channel member beyond the adjacent end of said beam, avbracket secured at one end between said last na med pair of cars, a pair of standards disposed at opposite ends of said beam adjacent said last mentioned pair of ears, said bracket havingits other end secured to the adjacent one of said standards, each of said standards including an extension rod telescopically received in the open top end thereof, and means to secure said rod in a selected adjusted telescopic relation to said standard, and micrometric means carried by said rod wherebysaid rod can be moved selectively longitudinally of said st'andard.

5. A support for concreteforms comprising 'anj elongated beam. having spaced longitudinal slots transversely therethrough, a pair of U sl1 aped channelmembers carried by said beam inspacedjrclation to each other, each of said members having a pair of spaced ears at their adjoining ends, each eartof said pairshaving a transversely extending slot therethrough, a slot in one of said ears"in'alignm ent'withthe slot in the other of said ears, said"alignedfslotsintersecting respective ones of the slots of said beam, and fastener means extending through said intersecting slots for adjustably securing said channel members to said beam with said intersecting slots defining guides forsaid means to permit selective longitudinal and transverse adjustment of said channel, each of said channel members having a pair of spaced ears at the endsth'ereof remote from said adjoining ends, said second-mentionedpair of cars extending longitudinally from said channel member beyond the adjacent end of said beam, a bracket secured at one end between said last named pair of ears, a pair of standards disposed at opposite ends of said beam adjacent said last mentioned pair of ears, said bracket having its other end secured to the adjacent one of said standards, each'of said standards including an extension rod telescopically received in the open top end thereof, and means to secure said rod in a selected adjusted telescopic relation to said standard, each of said standards carried by the associated telescoping extension rod in a selected position longitudinally thereof.

;-References Cited in the file of this patent UNITED STATES PATENTS