CA2013989A1 - Holder for screed rail - Google Patents
Holder for screed railInfo
- Publication number
- CA2013989A1 CA2013989A1 CA 2013989 CA2013989A CA2013989A1 CA 2013989 A1 CA2013989 A1 CA 2013989A1 CA 2013989 CA2013989 CA 2013989 CA 2013989 A CA2013989 A CA 2013989A CA 2013989 A1 CA2013989 A1 CA 2013989A1
- Authority
- CA
- Canada
- Prior art keywords
- bar
- holder
- sleeve
- ear
- set forth
- 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.)
- Abandoned
Links
- 210000005069 ears Anatomy 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
HOLDER FOR SCREED RAIL
ABSTRACT OF THE DISCLOSURE
An improved adjustable holder for a screed rail for mounting the rail above the ground so as to eliminate the need for concrete pads which are presently used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by a clamping structure including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange holding members on the bar.
ABSTRACT OF THE DISCLOSURE
An improved adjustable holder for a screed rail for mounting the rail above the ground so as to eliminate the need for concrete pads which are presently used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by a clamping structure including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange holding members on the bar.
Description
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:, ~OLD~ FOR 8CR~ED RAI~
The invention of the present application relates to supports for concrete forms and, more particularly, to an adjustable holder for positioning a screed rail used as a form for making a tilt-up concrete wall.
Many concrete buildings are formed with tilt-up concrete walls. Such a wall is formed on the ground in a horizontal plane and after the concrete is set, the wall is tilted upwardly into a vertic~l position and used as a side wall o~ a building. In preparing to form the wall, screed rails are laid down on the ground and are supported on pads o~ fresh concrete and tapped down to perfect the flatness with the aid of a transit or laser.
Once secured, the pads hold the rails firmly in place.
The pads present problems, however, in that, on the average, it takes four men eight hours to set 200 linear feet o~ screed rail. They often have to use blocks o~ wood and wooden wedges to support the screed rails temporarily until concrete stif~eners around the ~oints and in the middle of the rails are poured. Then, a~ter carefully applying the concre~te stiffeners, the workmen must spend time checking and double checking the rails for alignment, for level condition, and for tipping .. . . . .. .. .. . . . . -- _ .
:, ~OLD~ FOR 8CR~ED RAI~
The invention of the present application relates to supports for concrete forms and, more particularly, to an adjustable holder for positioning a screed rail used as a form for making a tilt-up concrete wall.
Many concrete buildings are formed with tilt-up concrete walls. Such a wall is formed on the ground in a horizontal plane and after the concrete is set, the wall is tilted upwardly into a vertic~l position and used as a side wall o~ a building. In preparing to form the wall, screed rails are laid down on the ground and are supported on pads o~ fresh concrete and tapped down to perfect the flatness with the aid of a transit or laser.
Once secured, the pads hold the rails firmly in place.
The pads present problems, however, in that, on the average, it takes four men eight hours to set 200 linear feet o~ screed rail. They often have to use blocks o~ wood and wooden wedges to support the screed rails temporarily until concrete stif~eners around the ~oints and in the middle of the rails are poured. Then, a~ter carefully applying the concre~te stiffeners, the workmen must spend time checking and double checking the rails for alignment, for level condition, and for tipping .. . . . .. .. .. . . . . -- _ .
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or rocking of the rails until the concrete sets up.
On the following day, a workman must spend several hours stripping the temporary blocks from under the rails. Thus, approximately 36 hours of labor must be spent per 200 linear feet of screed rail.
Because of the foregoing drawbacks with the use of conventional tilt-up wall techniques, a need exists for improvements in holders for screed rails to permit the rails to be adjustably positioned quickly and easily so as to cut down on the time and labor involved in forming a tilt-up wall.
The present invention satisfies this need.
The prior art ~n the area of holders for workpieces includes U.S. Patents 3,043,587 and 4,659,054.
Patent 3,043,587 shows a holder for mounting a printed circuit board on which a post is mounted on the base and the post is in an upright position. A sleeve is adjustably mounted on the post, and a bar is coupled to the sleeve for pivotal movement about an axis defined by a bolt. A pair of gripping me~bers are adjustably mounted on the bar.
Thus, the holder of this patent is adjustable and has three degrees of freedom.
Patent 4,6~9,054 shows a concrete form ~~
having a movable rail above a base. Stakes are on the base for supporting a rail, and the rail is on a s~pport surface such as a subgrade. J!
/ ~ ,, /
The present invention is directed to an im~roved adjustable holder for a screed rail for ., , .. _ _ , . . ... . . . . . . ... . . . . .. . . .. . . .
. ~
or rocking of the rails until the concrete sets up.
On the following day, a workman must spend several hours stripping the temporary blocks from under the rails. Thus, approximately 36 hours of labor must be spent per 200 linear feet of screed rail.
Because of the foregoing drawbacks with the use of conventional tilt-up wall techniques, a need exists for improvements in holders for screed rails to permit the rails to be adjustably positioned quickly and easily so as to cut down on the time and labor involved in forming a tilt-up wall.
The present invention satisfies this need.
The prior art ~n the area of holders for workpieces includes U.S. Patents 3,043,587 and 4,659,054.
Patent 3,043,587 shows a holder for mounting a printed circuit board on which a post is mounted on the base and the post is in an upright position. A sleeve is adjustably mounted on the post, and a bar is coupled to the sleeve for pivotal movement about an axis defined by a bolt. A pair of gripping me~bers are adjustably mounted on the bar.
Thus, the holder of this patent is adjustable and has three degrees of freedom.
Patent 4,6~9,054 shows a concrete form ~~
having a movable rail above a base. Stakes are on the base for supporting a rail, and the rail is on a s~pport surface such as a subgrade. J!
/ ~ ,, /
The present invention is directed to an im~roved adjustable holder for a screed rail for ., , .. _ _ , . . ... . . . . . . ... . . . . .. . . .. . . .
. ~
t,~ ,1 3 mounting the rail above the ground so as to eliminate the need for concrete pads which are pres~ntly used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by clamping means including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange clamping members on the bar.
The present invention permits two workmen to do, on the average, 1,000 linear feet in eight hours of work with no double checking. The only stripping required is to pull three iron stakes per rail.
The primary object of the present invention is to provide an improved holder for screed rail wherein the holder is provided with three degrees of freedom to allow a screed rail coupled thereto to be adjusted quickly and easily and to form one of a group of screed rails in a pattern for making a tilt-up concrete wall.
Other ob;ects of this invention will become apparent as the following specification progresses, reference being had to the accompanying drawings for an illustration of the invention.
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The present invention permits two workmen to do, on the average, 1,000 linear feet in eight hours of work with no double checking. The only stripping required is to pull three iron stakes per rail.
The primary object of the present invention is to provide an improved holder for screed rail wherein the holder is provided with three degrees of freedom to allow a screed rail coupled thereto to be adjusted quickly and easily and to form one of a group of screed rails in a pattern for making a tilt-up concrete wall.
Other ob;ects of this invention will become apparent as the following specification progresses, reference being had to the accompanying drawings for an illustration of the invention.
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Fig. 1 is a perspective view of the holder of the present invention, showing ~he holder in an operative position staked into the ground and supporting a screed rail; and Fig. 2 is a schematic, top plan view of a plurality of screed rails and a number of holders of the present invention coupled with the screed rails for supporting the screed rails in a pattern in which the screed rails are used for ~orming a tilt-up wall.
The holder of the present invention is broadly denoted by the numeral 10 and i5 adapted to support a portion of a screed rail 12 above ground level in a manner to allow the screed rail to form a part of a screed rail pattern, such a~ pattern 14 shown in Fig. 2, for use in the formation of a tilt-up concrete wall.
The holder 10 includes a post or stake 16 adapted to be driven into or supported on the ground and to extend above ground level 18 as shown in Fig.
1. Stake 16 typically is of a high strength material, such as steel. Typically, the length o~
the stake is in the range of 18 to 24 inches, but it could be longer or shorter, i~ desired.
A sleeve 20 of rigid material is slidably mounted on stake 16 and has a set screw 22 for ad~ustably securing the sleeve at any one of a number o~ operatiVQ positions along the length o~
stake 16. Thus, sleeve 20 provides a first degree .. . . . . . . . .. . ... , . .. . . . . . . _ . . .
Fig. 1 is a perspective view of the holder of the present invention, showing ~he holder in an operative position staked into the ground and supporting a screed rail; and Fig. 2 is a schematic, top plan view of a plurality of screed rails and a number of holders of the present invention coupled with the screed rails for supporting the screed rails in a pattern in which the screed rails are used for ~orming a tilt-up wall.
The holder of the present invention is broadly denoted by the numeral 10 and i5 adapted to support a portion of a screed rail 12 above ground level in a manner to allow the screed rail to form a part of a screed rail pattern, such a~ pattern 14 shown in Fig. 2, for use in the formation of a tilt-up concrete wall.
The holder 10 includes a post or stake 16 adapted to be driven into or supported on the ground and to extend above ground level 18 as shown in Fig.
1. Stake 16 typically is of a high strength material, such as steel. Typically, the length o~
the stake is in the range of 18 to 24 inches, but it could be longer or shorter, i~ desired.
A sleeve 20 of rigid material is slidably mounted on stake 16 and has a set screw 22 for ad~ustably securing the sleeve at any one of a number o~ operatiVQ positions along the length o~
stake 16. Thus, sleeve 20 provides a first degree .. . . . . . . . .. . ... , . .. . . . . . . _ . . .
- 5 - 2~ ~ ~J'3~
of freedom for holder 10, namely the vertical movement of sleeve 20 along stake 16.
Sleeve 20 has a pair o~ spaced, generally parallel ears 24 which are welded or otherwise secured to sleeve 20 near the upper end thereof.
The ears 24 extend laterally from the sleeve 20 at diametrically opposed locations thereon as shown in Fig. 1. The purpose of ears 24 is to provide a mount for a pin 26, such as a bolt having a head at one end thereof and being threaded at the opposite end thereof for receiving a nut (not shown).
A bar 28 is provided with one end 30 pivotally mounted by pin 26 on ears 24. Bar 28 extends laterally from sleeve 20 and is adapted to extend beneath a screed rail 12 in supporting relationship thereto when the holder 10 is in an operative position as shown in Fig. 1. Typically, bar 28 has a square cross section as shown in Fig. 1 but it can have other cross sections i~ desired.
The bar is typically of a length of 18 to 24 inches.
Pin 26 mounts bar 28 for rotation about the horizontal axis of pin 26 so that holder 10 has a second degree of freedom, namely ~he pivotal movement of bar 28 about the horizontal axis of pin 26.
To hold bar 28 in any one of a number of pivotal positions with respect to sleeve 20, a curved arm 30 is provided, arm 30 being pivotally mounted by a pin 32 on the outer end of an ear 34 rigidly secured to and extending laterally from sleeve 20 near the lower end thereof. Ear 34 extends laterally from sleeve 20 and is of a lenqth at least equal to that of ears 24. As shown, the length of ear 34 is slightly greater than lengths of ears 24-, . .. . . . . . , _ . . . .. . ~ .. . . . . . . .
.; .
.: .: . . .
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of freedom for holder 10, namely the vertical movement of sleeve 20 along stake 16.
Sleeve 20 has a pair o~ spaced, generally parallel ears 24 which are welded or otherwise secured to sleeve 20 near the upper end thereof.
The ears 24 extend laterally from the sleeve 20 at diametrically opposed locations thereon as shown in Fig. 1. The purpose of ears 24 is to provide a mount for a pin 26, such as a bolt having a head at one end thereof and being threaded at the opposite end thereof for receiving a nut (not shown).
A bar 28 is provided with one end 30 pivotally mounted by pin 26 on ears 24. Bar 28 extends laterally from sleeve 20 and is adapted to extend beneath a screed rail 12 in supporting relationship thereto when the holder 10 is in an operative position as shown in Fig. 1. Typically, bar 28 has a square cross section as shown in Fig. 1 but it can have other cross sections i~ desired.
The bar is typically of a length of 18 to 24 inches.
Pin 26 mounts bar 28 for rotation about the horizontal axis of pin 26 so that holder 10 has a second degree of freedom, namely ~he pivotal movement of bar 28 about the horizontal axis of pin 26.
To hold bar 28 in any one of a number of pivotal positions with respect to sleeve 20, a curved arm 30 is provided, arm 30 being pivotally mounted by a pin 32 on the outer end of an ear 34 rigidly secured to and extending laterally from sleeve 20 near the lower end thereof. Ear 34 extends laterally from sleeve 20 and is of a lenqth at least equal to that of ears 24. As shown, the length of ear 34 is slightly greater than lengths of ears 24-, . .. . . . . . , _ . . . .. . ~ .. . . . . . . .
.; .
.: .: . . .
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Arm 30 has a curved slot 36 therethrough for receiving a pin 38 carried by bar 28, pin 38 being a bolt having a nut 40 adjacent to a washer 42. A head (not shown) is on the opposite end of bolt 38. 8y tightening nut 40, bar 28 can be held in any one of a number of positions tilted with respect to sleeve 20.
A pair of slidable members 44 are provided on bar 28. Each of slidable ~embers 44 includes a tubular part 46 which has the same cross section as bar 28. An L-shaped element 48 is rigidly secured, such as by welding, to part 46 and extends parallel with bar 28.
A space 50 is between bar 28 and element 48 of each member 44. This space is adapted to receive the adjacent side flange 52 of screed rail 12 to be held by holder 10 in an operative position above the ground. A set screw 54 is threadably coupled to the side of part 46 to releasably and adjustably secure the slidable member 44 in an operative position.
In operation, screed rails 12 and 13 are arranged in a pattern, such as pattern 14 shown in Fig. 2 on the ground. Then, a number of holders 10 are moved into position adjacent to screed rails 12 and the stakes 16 of holders 10 are driven into the ground, following which sleeves 20 are placed over the stakes to position bars 28 below the adjacent screed rails 12 or 13.
For each location at which a holder 10 is located, the adjacent screed rail is placed on the bar 28 with members 44 separated, following which the members are moved onto respective flanges 52 of the screed rail. The set screws 54 are preferably , `
Arm 30 has a curved slot 36 therethrough for receiving a pin 38 carried by bar 28, pin 38 being a bolt having a nut 40 adjacent to a washer 42. A head (not shown) is on the opposite end of bolt 38. 8y tightening nut 40, bar 28 can be held in any one of a number of positions tilted with respect to sleeve 20.
A pair of slidable members 44 are provided on bar 28. Each of slidable ~embers 44 includes a tubular part 46 which has the same cross section as bar 28. An L-shaped element 48 is rigidly secured, such as by welding, to part 46 and extends parallel with bar 28.
A space 50 is between bar 28 and element 48 of each member 44. This space is adapted to receive the adjacent side flange 52 of screed rail 12 to be held by holder 10 in an operative position above the ground. A set screw 54 is threadably coupled to the side of part 46 to releasably and adjustably secure the slidable member 44 in an operative position.
In operation, screed rails 12 and 13 are arranged in a pattern, such as pattern 14 shown in Fig. 2 on the ground. Then, a number of holders 10 are moved into position adjacent to screed rails 12 and the stakes 16 of holders 10 are driven into the ground, following which sleeves 20 are placed over the stakes to position bars 28 below the adjacent screed rails 12 or 13.
For each location at which a holder 10 is located, the adjacent screed rail is placed on the bar 28 with members 44 separated, following which the members are moved onto respective flanges 52 of the screed rail. The set screws 54 are preferably , `
~ J~
not tightened until the adjustments to the other portions of holder 10 are made.
Sleeve 20 is first adjusted to the proper height so that the bottom of the screed rail will be at a proper height above the ground. Then, set ~crew 22 on sleeve 20 is tightened. Thereafter, the angle of inclination of bar 28 is adjusted to the proper angular location, following which nut 40 is tightened, clamping member 32 to the side of bar 28.
Then, the screed rail 12 is shifted longitudinally of har 28 until the proper location is found, following which the set screws 54 are tightened to secure the screed rail in place on the bar 28.
All other holders 10 for providing pattern 14 are adjusted in the corresponding manner, following which concrete can be poured over and between the screed rails 12 and 13 of pattern 14 SFig. 2). As soon as the concrete has set to form a slab, the holders can be separated from the screed rails and ~he holders may be removed from the ground, following which the wall can be tilted up into a vertical position. The holders lO are then available for use in forming another wall.
With the holders 10 of the present invention, two workmen can set l,000 linear feet of screed rail in about 8 hours with no double-checking and the only stripping required is to pull three iron stakes per rail.
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.~ : :
not tightened until the adjustments to the other portions of holder 10 are made.
Sleeve 20 is first adjusted to the proper height so that the bottom of the screed rail will be at a proper height above the ground. Then, set ~crew 22 on sleeve 20 is tightened. Thereafter, the angle of inclination of bar 28 is adjusted to the proper angular location, following which nut 40 is tightened, clamping member 32 to the side of bar 28.
Then, the screed rail 12 is shifted longitudinally of har 28 until the proper location is found, following which the set screws 54 are tightened to secure the screed rail in place on the bar 28.
All other holders 10 for providing pattern 14 are adjusted in the corresponding manner, following which concrete can be poured over and between the screed rails 12 and 13 of pattern 14 SFig. 2). As soon as the concrete has set to form a slab, the holders can be separated from the screed rails and ~he holders may be removed from the ground, following which the wall can be tilted up into a vertical position. The holders lO are then available for use in forming another wall.
With the holders 10 of the present invention, two workmen can set l,000 linear feet of screed rail in about 8 hours with no double-checking and the only stripping required is to pull three iron stakes per rail.
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Claims (19)
1. A holder for a screed rail having bottom flange means comprising:
a support;
a bar;
means adjustably mounting one end of the bar on the support for up and down movement with respect thereto, said mounting means including means for pivotally securing said one end of the bar to the support;
means coupled with the support for adjustably securing the bar in any one of a number of angular positions relative to the support; and means movable along the bar for adjustably attaching the flange means of the screed rail thereto.
a support;
a bar;
means adjustably mounting one end of the bar on the support for up and down movement with respect thereto, said mounting means including means for pivotally securing said one end of the bar to the support;
means coupled with the support for adjustably securing the bar in any one of a number of angular positions relative to the support; and means movable along the bar for adjustably attaching the flange means of the screed rail thereto.
2. A holder as set forth in claim 1, wherein said support includes a stake adapted to be driven into the ground.
3. A holder as set forth in claim 1, wherein said support includes a post adapted to be mounted in an upright position.
4. A holder as set forth in claim 1, wherein said mounting means include a member for movement longitudinally of the support, and a set screw for securing the member to the support.
5. A holder as set forth in claim 4, wherein said support comprises a post adapted to be mounted in a generally upright position, said member including a sleeve shiftably mounted on the post.
6. A holder as set forth in claim 1, wherein the mounting means includes a sleeve, and said pivotal securing means includes an ear on the sleeve and extending laterally therefrom, said one end of the bar having a pin coupled with the ear for pivotally mounting the bar for movement in a generally vertical plane when the post is in an upright position.
7. A holder as set forth in claim 6, wherein said ear is near the upper end of the sleeve.
8. A holder as set forth in claim 1, wherein said pivotal securing means includes an ear secured to and extending laterally from said mounting means, and a pin pivotally mounting said one end of the bar on the ear.
9. A holder as set forth in claim 8, wherein the mounting means includes a sleeve having an upper end, said ear being secured to the sleeve near the upper end thereof.
10. A holder as set forth in claim 9, wherein is included a second ear secured to and extending laterally from the sleeve, said second ear being generally parallel to the first ear to present a space between the ears, said one end of the bar being in the space and pivotally mounted to the ears.
11. A holder as set forth in claim 1, wherein said adjustable securing means includes a curved arm adjustably coupled to the bar, said arm having an end pivotally coupled to said mounting means, and clamp means for adjustably securing the element to the bar.
12. A holder as set forth in claim 11, wherein said arm includes a rigid body having a slot therethrough, said clamp means including a pin passing through the slot and coupled with the bar, and a nut on the pin for clamping the element to the bar.
13. A holder as set forth in claim 11, wherein said mounting means includes a sleeve, there being an ear secured to and extending laterally from the sleeve, said arm having an end pivotally coupled to the ear.
14. A holder as set forth in claim 13, wherein is included a second ear secured to and extending laterally from the sleeve, the first ear and the second ear being generally parallel with the second ear being above the first ear, said one end of the bar being pivotally coupled to said second ear.
15. A holder as set forth in claim 1, wherein said attaching means includes a member slidably coupled to the bar and movable longitudinally thereof, said member having an element for overlying the adjacent flange of the screed rail, and means for fixedly securing the member to the bar.
16. A holder as set forth in claim 14, wherein said member includes a tubular body for receiving the bar, and a set screw for securing the body to the bar.
17. A holder as set forth in claim 16, wherein said bar has a square cross section, said body having a cross section complemental with the bar.
18. A holder as set forth in claim 16, wherein said element is generally L-shaped and has one end secured to and extending outwardly from the body, said element forming with said bar a space for receiving a flange of the screed rail.
19. A holder for a screed rail having a pair of side flanges comprising:
a post adapted to be mounted in an upright position extending above ground level;
a sleeve shiftably mounted on the post for movement up and down with respect thereto;
a set screw coupled with the sleeve for securing the sleeve to the post, said sleeve having an upper end provided with a pair of spaced, parallel ears extending laterally from the sleeve to present a space between the ears, a third ear being extending laterally from the lower end of the sleeve and being generally parallel with said pair of ears;
a bar having a pair of opposed ends, one of the ends being in the space between the pair of ears:
pin means pivotally coupling said one end of the bar to the pair of ears with the bar extending outwardly from the ears and movable in a generally vertical plane about the axis of said pin means when the post is in said upright position;
an arm having a curved slot therein and provided with a pair of opposed ends, second pin means securing one end of the element to the third ear, there being a third pin means extending through the slot and coupled with the bar for adjustably securing the element to the bar with the bar being in a selected angular position in a vertical plane relative to the sleeve; and a pair of members shiftably mounted on the bar for movement longitudinally thereof, each of the members having an element spaced above the bar for receiving a respective flange of a screed rail, and means for securing the members in fixed positions along the bar.
a post adapted to be mounted in an upright position extending above ground level;
a sleeve shiftably mounted on the post for movement up and down with respect thereto;
a set screw coupled with the sleeve for securing the sleeve to the post, said sleeve having an upper end provided with a pair of spaced, parallel ears extending laterally from the sleeve to present a space between the ears, a third ear being extending laterally from the lower end of the sleeve and being generally parallel with said pair of ears;
a bar having a pair of opposed ends, one of the ends being in the space between the pair of ears:
pin means pivotally coupling said one end of the bar to the pair of ears with the bar extending outwardly from the ears and movable in a generally vertical plane about the axis of said pin means when the post is in said upright position;
an arm having a curved slot therein and provided with a pair of opposed ends, second pin means securing one end of the element to the third ear, there being a third pin means extending through the slot and coupled with the bar for adjustably securing the element to the bar with the bar being in a selected angular position in a vertical plane relative to the sleeve; and a pair of members shiftably mounted on the bar for movement longitudinally thereof, each of the members having an element spaced above the bar for receiving a respective flange of a screed rail, and means for securing the members in fixed positions along the bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2013989 CA2013989A1 (en) | 1990-04-05 | 1990-04-05 | Holder for screed rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2013989 CA2013989A1 (en) | 1990-04-05 | 1990-04-05 | Holder for screed rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2013989A1 true CA2013989A1 (en) | 1991-10-05 |
Family
ID=4144691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2013989 Abandoned CA2013989A1 (en) | 1990-04-05 | 1990-04-05 | Holder for screed rail |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2013989A1 (en) |
-
1990
- 1990-04-05 CA CA 2013989 patent/CA2013989A1/en not_active Abandoned
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