US20090127534A1 - Post assembly - Google Patents
Post assembly Download PDFInfo
- Publication number
- US20090127534A1 US20090127534A1 US11/943,810 US94381007A US2009127534A1 US 20090127534 A1 US20090127534 A1 US 20090127534A1 US 94381007 A US94381007 A US 94381007A US 2009127534 A1 US2009127534 A1 US 2009127534A1
- Authority
- US
- United States
- Prior art keywords
- post
- assembly
- wall
- extending
- spaced
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3219—Means supported by the building wall, e.g. security consoles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3223—Means supported by building floors or flat roofs, e.g. safety railings
- E04G21/3233—Means supported by building floors or flat roofs, e.g. safety railings without permanent provision in the floor or roof
Definitions
- the subject invention is a post assembly for placement upon a dirt retaining of a trench box or of a slide rail shoring system wall for supporting guardrails around an excavation site.
- guardrails are often provided to prevent accidental falls into the excavation below.
- Such post assemblies typically include an inverted U-shaped saddle having a top portion with a front leg and a rear leg each integrally connected to and extending from the top portion and the rear leg being spaced from the front leg to define an opening for receiving the retaining wall.
- the saddle has a constant thickness through the legs and the top portion thereof.
- a post member extends upwardly from the top portion of the U-shaped saddle and a plurality of guardrail channels are disposed on the post member and extend perpendicularly to the post member for receiving and supporting guardrails.
- the Palmer patent discloses an assembly having a U-shaped saddle and a post member that extends upwardly from the U-shaped saddle and a plurality of guardrail channels are disposed on the post member for receiving and supporting guardrails.
- the Flynn patent discloses an assembly having an inverted U-shaped saddle having a top portion with a front leg and a rear leg each integrally connected to and extending from the top portion and the rear leg being spaced from the front leg to define an opening for receiving the retaining wall.
- the saddle has a constant thickness through the legs and the top portion thereof.
- a plurality of guardrail channels are disposed on a post member for receiving and supporting guardrails.
- the invention provides such a post assembly distinguished by at least one U-shaped reinforcing plate extending about the top portion and legs of the U-shaped saddle for strength and support.
- the saddle since the saddle has a constant thickness through the legs and the top portion thereof, the saddle can be formed and bent from a single sheet of stock rather than being welded or otherwise formed of thicker pieces that cannot be easily bent. This allows for a more cost effective product that is easier to manufacture. Also, with the addition of the U-shaped reinforcing plates the saddle remains strong and supportive.
- FIG. 1 a rear view of the preferred embodiment of the invention on a retaining wall
- FIG. 2 is a side view of the preferred embodiment of the invention with the top post disengaged from the bottom post;
- FIG. 3 is a fragmentary view of the keeper pin extending through the top and bottom posts;
- FIG. 4 is a rear view of the bottom post and saddle
- FIG. 5 is a side view of the bottom post and saddle
- FIG. 6 is a side view of the top post
- FIG. 7 is a rear view of the top post.
- FIG. 8 is a top view of the top post.
- FIGS. 1 and 2 a panel fence post assembly 20 constructed in accordance with the subject invention is generally shown ( FIGS. 1 and 2 ) for placement upon a retaining wall 22 (generally indicated) having a top 24 extending between an inside surface 26 and an outside surface 28 .
- the assembly comprises an inverted U-shaped saddle 30 generally indicated having a top portion 32 with a front leg 34 and a rear leg 36 each integrally connected to and extending from the top portion 32 with the rear leg 36 spaced from the front leg 34 to define an opening for receiving the retaining wall 22 .
- the top portion 32 of the saddle 30 engages the top 24 of the retaining wall 22 and the front leg 34 engages the inside surface 26 and the rear leg 36 engages the outside surface 28 of the retaining wall 22 .
- the saddle 30 has a constant thickness through the legs 34 , 36 and the top portion 32 .
- a plurality of bolts 38 extend through the rear leg 36 for perpendicularly abutting the outside of the retaining wall 22 for clamping the retaining wall 22 between the bolts 38 and the front leg 34 of the U-shaped saddle 30 .
- a pair of U-shaped reinforcing plates 40 extend about the top portion 32 and the legs 34 , 36 of the U-shaped saddle 30 and are spaced from one another on either side of the plurality of bolts 38 for additional strength and support.
- the U-shaped saddle 30 is bent from a single sheet of stock rather than being welded or otherwise formed of thicker pieces that cannot be easily bent.
- a rubber grip 42 covers the inside of the front leg 34 for preventing slipping on the retaining wall 22 .
- a post member 44 is generally shown ( FIGS. 1 and 2 ) and extends upwardly from the longitudinal center of the top portion 32 of the U-shaped saddle 30 ( FIG. 4 ) and the post member 44 includes a bottom post 46 and a top post 48 .
- the bottom post 46 is generally indicated and is defined by a hollow tube.
- the bottom post 46 has a rectangular or square cross section and with a front wall 50 opposite from a rear wall 52 and with two side walls 54 . Each of the side walls 54 defines a bottom post hole 56 .
- a rectangular strip 58 extends along the rear wall 52 for reinforcing the strength and stiffness of the bottom post 46 member 44 .
- the front and rear walls 50 , 52 of the bottom post 46 are spaced a post distance p and the legs 34 , 36 of the U-shaped saddle 30 are spaced apart a saddle distance s that is greater than the post distance p.
- the bottom post 46 extends upwardly from the top portion 32 of the U-shaped saddle 30 with the front and rear walls 50 , 52 parallel to the legs 34 , 36 of the U-shaped saddle 30 and the bottom post 46 is disposed at a position on the top portion 32 offset from the front leg 34 and closer to the rear leg 36 so that the distance from the rear leg 36 to the rear wall 52 of the bottom post 46 is less than the distance from the front leg 34 to the front wall 50 of the bottom post 46 .
- the top post 48 generally indicated is defined by a hollow tube having a rectangular or square cross section and having a front side 60 opposite from a rear side 62 and having two sides 64 each defining a top post hole 66 .
- the top post 48 has a larger cross section than the bottom post 46 for sliding the top post 48 downward and onto the bottom post 46 with the front side 60 of the top post 48 in sliding engagement with the front wall 50 of the bottom post 46 and with the rear side 62 of the top post 48 in sliding engagement with the rear wall 52 of the bottom post 46 with the bottom post holes 56 aligned with the top post holes 66 .
- a keeper pin 68 extends through the bottom post 46 and top post holes 56 , 66 for preventing telescoping movement between the top post 48 and bottom post 46 .
- a plurality of guardrail channels 70 generally indicated each being C-shaped have a back 72 and a top surface 74 and a bottom surface 76 and are spaced from one another and mounted on the rear side 62 of the top post 48 with the back 72 engaging the rear side 62 and extending perpendicularly to the top post 48 for receiving and supporting guardrails.
- the guardrail channels 70 each have an open slot and a rectangular periphery extending transversely of the channels to distal ends spaced from the sides 64 of the top post 48 for receiving standard building studs 78 (e.g., wood 2 ⁇ 4's) perpendicular to the top post 48 .
- standard building studs 78 e.g., wood 2 ⁇ 4's
- the top of the guardrail channels 70 each define a pair of nail holes 80 spaced from one another on either side 64 of the top post 48 for receiving nails for securing a guardrail stud 78 in the guardrail channel 70 .
- a pair of rectangular reinforcing plates 82 are disposed on the back 72 of each guardrail channel 70 and are spaced from one another and from either side 64 of the top post 48 .
Abstract
Description
- 1. Field of the Invention
- The subject invention is a post assembly for placement upon a dirt retaining of a trench box or of a slide rail shoring system wall for supporting guardrails around an excavation site.
- 2. Description of the Prior Art
- When persons work in an area surrounding a trench box at a construction site, guardrails are often provided to prevent accidental falls into the excavation below.
- Such post assemblies typically include an inverted U-shaped saddle having a top portion with a front leg and a rear leg each integrally connected to and extending from the top portion and the rear leg being spaced from the front leg to define an opening for receiving the retaining wall. The saddle has a constant thickness through the legs and the top portion thereof. A post member extends upwardly from the top portion of the U-shaped saddle and a plurality of guardrail channels are disposed on the post member and extend perpendicularly to the post member for receiving and supporting guardrails.
- Two examples of such assemblies are disclosed in U.S. Pat. No. 6,039,150 to Palmer (hereinafter Palmer) and U.S. Pat. No. 5,829,549 to Flynn (hereinafter Flynn).
- The Palmer patent discloses an assembly having a U-shaped saddle and a post member that extends upwardly from the U-shaped saddle and a plurality of guardrail channels are disposed on the post member for receiving and supporting guardrails.
- The Flynn patent discloses an assembly having an inverted U-shaped saddle having a top portion with a front leg and a rear leg each integrally connected to and extending from the top portion and the rear leg being spaced from the front leg to define an opening for receiving the retaining wall. The saddle has a constant thickness through the legs and the top portion thereof. A plurality of guardrail channels are disposed on a post member for receiving and supporting guardrails.
- Although these prior post assemblies support and receive guardrails surrounding a retaining wall, they are fabricated from some specially formed components and parts as distinguished from commodity-type, off-the-shelf metal parts. Such prior art post assemblies also incorporate expensive fabrication techniques and steps.
- The invention provides such a post assembly distinguished by at least one U-shaped reinforcing plate extending about the top portion and legs of the U-shaped saddle for strength and support.
- Accordingly, since the saddle has a constant thickness through the legs and the top portion thereof, the saddle can be formed and bent from a single sheet of stock rather than being welded or otherwise formed of thicker pieces that cannot be easily bent. This allows for a more cost effective product that is easier to manufacture. Also, with the addition of the U-shaped reinforcing plates the saddle remains strong and supportive.
- Other advantages of the present invention will be readily appreciated, as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
-
FIG. 1 a rear view of the preferred embodiment of the invention on a retaining wall; -
FIG. 2 is a side view of the preferred embodiment of the invention with the top post disengaged from the bottom post; -
FIG. 3 is a fragmentary view of the keeper pin extending through the top and bottom posts; -
FIG. 4 is a rear view of the bottom post and saddle; -
FIG. 5 is a side view of the bottom post and saddle; -
FIG. 6 is a side view of the top post; -
FIG. 7 is a rear view of the top post; and -
FIG. 8 is a top view of the top post. - Referring to the Figures, wherein like numerals indicate corresponding parts throughout the several views, a panel
fence post assembly 20 constructed in accordance with the subject invention is generally shown (FIGS. 1 and 2 ) for placement upon a retaining wall 22 (generally indicated) having atop 24 extending between aninside surface 26 and anoutside surface 28. - The assembly comprises an inverted
U-shaped saddle 30 generally indicated having atop portion 32 with afront leg 34 and arear leg 36 each integrally connected to and extending from thetop portion 32 with therear leg 36 spaced from thefront leg 34 to define an opening for receiving theretaining wall 22. Thetop portion 32 of thesaddle 30 engages thetop 24 of theretaining wall 22 and thefront leg 34 engages theinside surface 26 and therear leg 36 engages theoutside surface 28 of theretaining wall 22. Thesaddle 30 has a constant thickness through thelegs top portion 32. - A plurality of
bolts 38 extend through therear leg 36 for perpendicularly abutting the outside of theretaining wall 22 for clamping theretaining wall 22 between thebolts 38 and thefront leg 34 of the U-shapedsaddle 30. A pair of U-shapedreinforcing plates 40 extend about thetop portion 32 and thelegs saddle 30 and are spaced from one another on either side of the plurality ofbolts 38 for additional strength and support. The U-shapedsaddle 30 is bent from a single sheet of stock rather than being welded or otherwise formed of thicker pieces that cannot be easily bent. - A
rubber grip 42 covers the inside of thefront leg 34 for preventing slipping on theretaining wall 22. - A
post member 44 is generally shown (FIGS. 1 and 2 ) and extends upwardly from the longitudinal center of thetop portion 32 of the U-shaped saddle 30 (FIG. 4 ) and thepost member 44 includes abottom post 46 and atop post 48. Thebottom post 46 is generally indicated and is defined by a hollow tube. Thebottom post 46 has a rectangular or square cross section and with afront wall 50 opposite from arear wall 52 and with twoside walls 54. Each of theside walls 54 defines abottom post hole 56. Arectangular strip 58 extends along therear wall 52 for reinforcing the strength and stiffness of thebottom post 46member 44. - As illustrated in
FIG. 4 , the front andrear walls bottom post 46 are spaced a post distance p and thelegs saddle 30 are spaced apart a saddle distance s that is greater than the post distance p. Thebottom post 46 extends upwardly from thetop portion 32 of the U-shapedsaddle 30 with the front andrear walls legs saddle 30 and thebottom post 46 is disposed at a position on thetop portion 32 offset from thefront leg 34 and closer to therear leg 36 so that the distance from therear leg 36 to therear wall 52 of thebottom post 46 is less than the distance from thefront leg 34 to thefront wall 50 of thebottom post 46. - The
top post 48 generally indicated is defined by a hollow tube having a rectangular or square cross section and having afront side 60 opposite from arear side 62 and having twosides 64 each defining atop post hole 66. Thetop post 48 has a larger cross section than thebottom post 46 for sliding thetop post 48 downward and onto thebottom post 46 with thefront side 60 of thetop post 48 in sliding engagement with thefront wall 50 of thebottom post 46 and with therear side 62 of thetop post 48 in sliding engagement with therear wall 52 of thebottom post 46 with thebottom post holes 56 aligned with thetop post holes 66. As shown inFIG. 3 , akeeper pin 68 extends through thebottom post 46 andtop post holes top post 48 andbottom post 46. - A plurality of
guardrail channels 70 generally indicated each being C-shaped have aback 72 and atop surface 74 and abottom surface 76 and are spaced from one another and mounted on therear side 62 of thetop post 48 with theback 72 engaging therear side 62 and extending perpendicularly to thetop post 48 for receiving and supporting guardrails. Theguardrail channels 70 each have an open slot and a rectangular periphery extending transversely of the channels to distal ends spaced from thesides 64 of thetop post 48 for receiving standard building studs 78 (e.g., wood 2×4's) perpendicular to thetop post 48. A pair ofsuch studs 78 abut one another at the center of eachguardrail channel 70 and extend perpendicularly to thetop post 48. - The top of the
guardrail channels 70 each define a pair ofnail holes 80 spaced from one another on eitherside 64 of thetop post 48 for receiving nails for securing aguardrail stud 78 in theguardrail channel 70. A pair ofrectangular reinforcing plates 82 are disposed on theback 72 of eachguardrail channel 70 and are spaced from one another and from eitherside 64 of thetop post 48. - Obviously, many modifications and variations of the present invention are possible in light of the above teachings and may be practiced otherwise than as specifically described while within the scope of the appended claims. That which is prior art in the claims precedes the novelty set forth in the “characterized by” clause. The novelty is meant to be particularly and distinctly recited in the “characterized by” clause whereas the antecedent recitations merely set forth the old and well-known combination in which the invention resides. These antecedent recitations should be interpreted to cover any combination in which the inventive novelty exercises its utility. The use of the word “said” in the apparatus claims refers to an antecedent that is a positive recitation meant to be included in the coverage of the claims whereas the word “the” precedes a word not meant to be included in the coverage of the claims. In addition, the reference numerals in the claims are merely for convenience and are not to be read in any way as limiting.
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/943,810 US20090127534A1 (en) | 2007-11-21 | 2007-11-21 | Post assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/943,810 US20090127534A1 (en) | 2007-11-21 | 2007-11-21 | Post assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090127534A1 true US20090127534A1 (en) | 2009-05-21 |
Family
ID=40640941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/943,810 Abandoned US20090127534A1 (en) | 2007-11-21 | 2007-11-21 | Post assembly |
Country Status (1)
Country | Link |
---|---|
US (1) | US20090127534A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100264390A1 (en) * | 2009-02-18 | 2010-10-21 | Cerda Victor M | Safety railing for excavated areas |
WO2011095289A1 (en) * | 2010-02-02 | 2011-08-11 | Peri Gmbh | Railing element |
WO2012027356A1 (en) * | 2010-08-23 | 2012-03-01 | Titan Formwork Systems, Llc | Shoring post with supplemental beam support |
CN104295153A (en) * | 2014-09-26 | 2015-01-21 | 金华送变电工程有限公司 | Service-life-prolonged fence |
GB2557606A (en) * | 2016-12-09 | 2018-06-27 | M G F Trench Construction Systems Ltd | Edge protection system |
CN111139739A (en) * | 2020-02-05 | 2020-05-12 | 东南大学 | Anti-collision guardrail for assembled bridge and implementation method thereof |
FR3114335A1 (en) | 2020-09-22 | 2022-03-25 | Anoxa | ELEMENT OF GUARDRAILS, IN PARTICULAR OF PANEL GUARDRAILS |
US11851900B2 (en) * | 2020-01-30 | 2023-12-26 | James Croswell Brim, III | Temporary safety railing system and method |
Citations (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2136710A (en) * | 1937-06-07 | 1938-11-15 | Clark J Robertson | Highway guard fence |
US3229333A (en) * | 1962-10-15 | 1966-01-18 | Albert J Hillesheim | Building frame bracket |
US3361265A (en) * | 1965-11-22 | 1968-01-02 | Gerald H. Wernimont | Device for protection and display of guns |
US3480257A (en) * | 1968-01-05 | 1969-11-25 | Jesse T Bourn | Guard rail stanchion |
US3740022A (en) * | 1972-02-14 | 1973-06-19 | Giovanni S Di | Loading dock safety guard |
US3863900A (en) * | 1973-04-13 | 1975-02-04 | Symons Corp | Removable guard rail assembly and stanchion bracket therefor |
US4097014A (en) * | 1977-05-17 | 1978-06-27 | Westinghouse Electric Corp. | Combination support bracket and self-adjusting wedge |
US4441684A (en) * | 1981-11-25 | 1984-04-10 | The Coca-Cola Company | Pump mounting bracket |
US4899991A (en) * | 1989-05-08 | 1990-02-13 | Hackney Wholesale | Fence panel bracket |
US4951925A (en) * | 1988-01-28 | 1990-08-28 | Alternate Number Thirteen | Fence connector assembly |
US5645271A (en) * | 1994-07-11 | 1997-07-08 | Nunez; Marcos D. | Metal fence post with adjustable rail mounting |
US5660376A (en) * | 1995-05-01 | 1997-08-26 | West; Ronald R. | Cap and mounting for a fence system |
US6053281A (en) * | 1997-12-29 | 2000-04-25 | Murray Roofing Company Inc. | Roof perimeter safety rail system |
US6053481A (en) * | 1998-07-28 | 2000-04-25 | Security Fence Manufacturing & Supply Co., Inc. | Security fence rail bracket |
US6367208B1 (en) * | 2000-01-10 | 2002-04-09 | Jerome Campbell | Composite foundation post |
US6398193B1 (en) * | 1997-06-06 | 2002-06-04 | U.S. Fence, Llc | Plastic fence construction |
US6540209B2 (en) * | 2000-03-31 | 2003-04-01 | Cheryl Ross | Portable safety fence system for construction sites |
US6585080B2 (en) * | 2001-09-06 | 2003-07-01 | Murray Roofing Company Inc. | Modular stanchion holder for removable guard rail system |
US6679482B2 (en) * | 2001-09-05 | 2004-01-20 | Al Plank & Scaffold Mfg., Inc. | Construction perimeter guard |
US6719278B2 (en) * | 2001-03-12 | 2004-04-13 | Brite Manufacturing Inc. | Handrail system and kit |
US7147212B2 (en) * | 2002-01-24 | 2006-12-12 | Platt Robert E | Clip for adjustably mounting a fence rail to a fence post |
US7234689B2 (en) * | 2004-07-13 | 2007-06-26 | Safety Maker, Inc. | Clamping apparatus and apparatus for use in erecting temporary guard rails |
-
2007
- 2007-11-21 US US11/943,810 patent/US20090127534A1/en not_active Abandoned
Patent Citations (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2136710A (en) * | 1937-06-07 | 1938-11-15 | Clark J Robertson | Highway guard fence |
US3229333A (en) * | 1962-10-15 | 1966-01-18 | Albert J Hillesheim | Building frame bracket |
US3361265A (en) * | 1965-11-22 | 1968-01-02 | Gerald H. Wernimont | Device for protection and display of guns |
US3480257A (en) * | 1968-01-05 | 1969-11-25 | Jesse T Bourn | Guard rail stanchion |
US3740022A (en) * | 1972-02-14 | 1973-06-19 | Giovanni S Di | Loading dock safety guard |
US3863900A (en) * | 1973-04-13 | 1975-02-04 | Symons Corp | Removable guard rail assembly and stanchion bracket therefor |
US4097014A (en) * | 1977-05-17 | 1978-06-27 | Westinghouse Electric Corp. | Combination support bracket and self-adjusting wedge |
US4441684A (en) * | 1981-11-25 | 1984-04-10 | The Coca-Cola Company | Pump mounting bracket |
US4951925A (en) * | 1988-01-28 | 1990-08-28 | Alternate Number Thirteen | Fence connector assembly |
US4899991A (en) * | 1989-05-08 | 1990-02-13 | Hackney Wholesale | Fence panel bracket |
US5645271A (en) * | 1994-07-11 | 1997-07-08 | Nunez; Marcos D. | Metal fence post with adjustable rail mounting |
US5660376A (en) * | 1995-05-01 | 1997-08-26 | West; Ronald R. | Cap and mounting for a fence system |
US6398193B1 (en) * | 1997-06-06 | 2002-06-04 | U.S. Fence, Llc | Plastic fence construction |
US6053281A (en) * | 1997-12-29 | 2000-04-25 | Murray Roofing Company Inc. | Roof perimeter safety rail system |
US6053481A (en) * | 1998-07-28 | 2000-04-25 | Security Fence Manufacturing & Supply Co., Inc. | Security fence rail bracket |
US6367208B1 (en) * | 2000-01-10 | 2002-04-09 | Jerome Campbell | Composite foundation post |
US6540209B2 (en) * | 2000-03-31 | 2003-04-01 | Cheryl Ross | Portable safety fence system for construction sites |
US6719278B2 (en) * | 2001-03-12 | 2004-04-13 | Brite Manufacturing Inc. | Handrail system and kit |
US6679482B2 (en) * | 2001-09-05 | 2004-01-20 | Al Plank & Scaffold Mfg., Inc. | Construction perimeter guard |
US6585080B2 (en) * | 2001-09-06 | 2003-07-01 | Murray Roofing Company Inc. | Modular stanchion holder for removable guard rail system |
US7147212B2 (en) * | 2002-01-24 | 2006-12-12 | Platt Robert E | Clip for adjustably mounting a fence rail to a fence post |
US7234689B2 (en) * | 2004-07-13 | 2007-06-26 | Safety Maker, Inc. | Clamping apparatus and apparatus for use in erecting temporary guard rails |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100264390A1 (en) * | 2009-02-18 | 2010-10-21 | Cerda Victor M | Safety railing for excavated areas |
WO2011095289A1 (en) * | 2010-02-02 | 2011-08-11 | Peri Gmbh | Railing element |
WO2012027356A1 (en) * | 2010-08-23 | 2012-03-01 | Titan Formwork Systems, Llc | Shoring post with supplemental beam support |
US8616519B2 (en) | 2010-08-23 | 2013-12-31 | Titan Formwork Systems, Llc | Shoring post with supplemental beam support |
CN104295153A (en) * | 2014-09-26 | 2015-01-21 | 金华送变电工程有限公司 | Service-life-prolonged fence |
GB2557606A (en) * | 2016-12-09 | 2018-06-27 | M G F Trench Construction Systems Ltd | Edge protection system |
US11851900B2 (en) * | 2020-01-30 | 2023-12-26 | James Croswell Brim, III | Temporary safety railing system and method |
CN111139739A (en) * | 2020-02-05 | 2020-05-12 | 东南大学 | Anti-collision guardrail for assembled bridge and implementation method thereof |
FR3114335A1 (en) | 2020-09-22 | 2022-03-25 | Anoxa | ELEMENT OF GUARDRAILS, IN PARTICULAR OF PANEL GUARDRAILS |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: PRO-TEC EQUIPMENT, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:POWELL, JOHN;REEL/FRAME:020145/0449 Effective date: 20071121 |
|
AS | Assignment |
Owner name: ARMSTRONG MANUFACTURING, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PRO-TEC EQUIPMENT, INC.;REEL/FRAME:029450/0210 Effective date: 20121211 |
|
AS | Assignment |
Owner name: TRINITY SHORING PRODUCTS, INC., TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ARMSTRONG MANUFACTURING, INC.;REEL/FRAME:029481/0774 Effective date: 20121214 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION |