US3776521A - Portable safety railing - Google Patents

Portable safety railing Download PDF

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Publication number
US3776521A
US3776521A US00238444A US3776521DA US3776521A US 3776521 A US3776521 A US 3776521A US 00238444 A US00238444 A US 00238444A US 3776521D A US3776521D A US 3776521DA US 3776521 A US3776521 A US 3776521A
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Prior art keywords
safety railing
base
bases
posts
railing according
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US00238444A
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R Weinert
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/18—Corrals, i.e. easily transportable or demountable enclosures
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/022—Pedestrian barriers; Barriers for channelling or controlling crowds
    • 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
    • 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
    • E04G21/3238—Means supported by building floors or flat roofs, e.g. safety railings without permanent provision in the floor or roof using counterweights

Definitions

  • the railing is simple and easy to erect. Once erected, it is capable of resisting the tipping forces to which it is subjected and is difficult to accidentally dislodge from the working surface.
  • the railing is convenient to store and transport.
  • the present invention contemplates a portable safety railing having at least one raised horizontal bar supported at either end by vertical posts or standards.
  • a slab-like toe rail is located beneath the horizontal railing or bar, typically on the working surface.
  • Weighted bases support the vertical posts.
  • the bases which typically may be square, have inwardly extending notches at each corner for receiving the toe rails.
  • FIG. 1 is a perspective view of the portable safety railing of the present invention installed on a working surface.
  • FIG. 3 is a plan view of the weighted base of FIG. 2.
  • FIG. 4 is a fragmentary cross sectional view taken along the line 44 of FIG. 3.
  • Safety railing is comprised of a plurality of sections 12, hereinafter described in detail, which are positioned on a working surface, for example, roof 14 of building 16.
  • a second horizontal bar 22 may be joined to "posts 20, as by welding, mechanical fasteners, etc. to extend between the posts below bar 18.
  • bases 24 are fabricated from a dense material, such as cast iron.
  • the weight of bases 24 may be determined by the tipping resistance requirements established by administrative or other codes.
  • a base weight of l20 pounds has been found to provide a highly desirable stability to railing 10.
  • a pair of hand holes 28 may be provided in the base, as shown in FIG. 4.
  • a loop 30 may be provided in the cen ter of base 24. While the weight of base 24 will generally be sufficient to prevent displacement of the bases along the working surface during use, a ribbed rubber sheet or mat 32 may be applied to the underside of the bases.
  • Safety railing 10 may be erected by placing bases 24 around the periphery of the work area. Thereafter posts 20 are dropped into sockets 34 to raise bar 18. Toe rails 36 are placed in notches 26 to complete a section 12 of safety railing 10.
  • the height of vertical posts 20 may be selected to position horizontal bar 18 at a level suitable to the particular application, safety requirements, and work area. Typically bar 18 will be positioned 42 inches off the working surface. Intermediate bar 22 will usually be 21 inches above the working surface.
  • the length of sections 12 of safety railing 10 may also be selected to suit the application and work area. For example, safety railing 10 may be available in 10 foot, 7 5% foot, and 5 foot sections.
  • each base having a pair of sockets for receiving said posts and for transmitting the tipping moments of said posts to said bases, the sockets in each base being spacedly located along one of the intersecting diagonals of the square base on opposite sides of, and equi-distant from, the diagonal intersection, said bases further having notches in each corner thereof extending inwardly along the diagonals;
  • the safety railing according to claim 1 further defined as including an intermediate bar between said raised bar and said toe rail.
  • weighted base has a non skid surface applied to the underside thereof 7.
  • weighted base includes means for lifting said base.
  • said lifting means comprises one or more hand holes in said base.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A portable safety railing includes one or more horizontal bars supported at either end by vertical posts. The posts are positioned in weighted bases having sockets for receiving the posts and slots for receiving the slab-like toe rail.

Description

O Umted States Patent [191 [111 3,776,521
Weinert Dec. 4, 1973 [54] PORTABLE SAFETY RAILING 88,147 3/1869 Dowden a a1 256/24 x 269,003 12/1882 Butler [76] Inventor. Robert S. Welnert, 419 Park St., 2,517,386 M950 cooperw Mamtowoc, 54220 3,454,262 8/1969 Romano 256/24 x [22] Filed: Mar. 27, 1972 Primary ExaminerDennis L. Taylor [211 Appl' 238444 AttorneyAndrus, Sceales, Starke & Sawall [52] US. Cl. 256/24, 256/59 [57] ABSTRACT [51] Int. Cl E04h 17/16 [58] Field of Search 256/24, 25, 59, 65-70 A 1 Safety 311mg Includes or more v zontal bars supported at either end by vertical posts. [56] References Cited The posts are positioned in weighted bases having UNITED STATES PATENTS sockets for receiving the posts and slots for receiving the slab-like toe rail. $920,023 2/1962 Maclntyre et a1. 256/24 3,589,682 6/1971 Dickey v. 256/59 9 Claims, 4 Drawing Figures PORTABLE SAFETY RAILING BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to portable rails or fences.
2. Description of the Prior Art Occupational safety standards are continually increasing for many reasons. Among the safety standards presently being imposed is the requirement of a safety railing around elevated working surfaces. While such railings may be fabricated from lumber and the like, the erection of this type of railing tends to be time consuming and expensive, particularly if the need for such railing is temporary, as in the case of applying a roof.
SUMMARY OF THE PRESENT INVENTION It is, therefore, the object of the present invention to provide an improved railing suitable for installation on a working surface for rendering the area enclosed by the railing safe for workmen. The railing is simple and easy to erect. Once erected, it is capable of resisting the tipping forces to which it is subjected and is difficult to accidentally dislodge from the working surface. The railing is convenient to store and transport.
Briefly, the present invention contemplates a portable safety railing having at least one raised horizontal bar supported at either end by vertical posts or standards. A slab-like toe rail is located beneath the horizontal railing or bar, typically on the working surface. Weighted bases support the vertical posts. The bases, which typically may be square, have inwardly extending notches at each corner for receiving the toe rails.
BRIEF DESCRIPTION OF THE DRAWING FIG. 1 is a perspective view of the portable safety railing of the present invention installed on a working surface.
FIG. 2 is a cross sectional view of a weighted base member which may be incorporated in the safety railing of the present invention and showing fragmentary portions of other elements of the safety railing coupled to the base member.
FIG. 3 is a plan view of the weighted base of FIG. 2.
FIG. 4 is a fragmentary cross sectional view taken along the line 44 of FIG. 3.
DESCRIPTION OF THE PREFERRED EMBODIMENT In FIG. 1, the portable safety railing of the present invention is identified by the numeral 10. Safety railing is comprised of a plurality of sections 12, hereinafter described in detail, which are positioned on a working surface, for example, roof 14 of building 16.
A raised horizontal bar 18 typically manufactured from tubular stock, is supported at either end by vertical posts 20. While a pair of oppositely extending bars 18 may be attached to a single post 20 for support by mechanical fasteners and the like, it is presently deemed preferable, to form bar 18 and posts 20 from a single piece of bent tubular stock. Each bar 18 is thus supported at either end by a post 20.
A second horizontal bar 22 may be joined to "posts 20, as by welding, mechanical fasteners, etc. to extend between the posts below bar 18.
Posts 20 are maintained in the upright position by weighted bases 22. In general, it has been found desirable to form bases 24 in a configuration having a pair of mutually perpendicular transection lines. The periphery of the base is shaped to recede from the termini of the transection lines. Base 24 contains inwardly extending notches or slots 26 at the termini of the mutually perpendicular transection lines for receiving a toe rail, hereinafter described.
Weighted bases 24 are shown in exemplary fashion in FIGS. 2 and 3 as generally square-like in shape. The transection lines comprise diagonals of the squares and notches 26 are located at the corners of the base. See FIG. 3. A base 24, so formed, thus forms a diamond configuration in which the sides of the diamond recede from the points thereof.
In order to provide sufficient stability to safety railing 10 against tipping forces, bases 24 are fabricated from a dense material, such as cast iron. The weight of bases 24 may be determined by the tipping resistance requirements established by administrative or other codes. A base weight of l20 pounds has been found to provide a highly desirable stability to railing 10. To facilitate the handling of bases 24, a pair of hand holes 28 may be provided in the base, as shown in FIG. 4. For similar purposes, a loop 30 may be provided in the cen ter of base 24. While the weight of base 24 will generally be sufficient to prevent displacement of the bases along the working surface during use, a ribbed rubber sheet or mat 32 may be applied to the underside of the bases.
One or more sockets 34, capable of receiving the lower ends of vertical posts 20, are incorporated in base 24, as shown in FIG. 2. In the presently preferred embodiment of the invention, a pair of sockets 34 are spacedly located along one of the transection lines of the base. In the case of square base 24, sockets 34 are spacedly located along one of the diagonals, as shown in FIG. 3. Toe rail 36 of safety railing 10 may be formed from a plank laid on edge and positioned in notches 26. Notches 26 may be surrounded by flanges 38 which assist in retaining toe rail 36 on edge. Toe rail 36 rests on working surface 14 to prevent small tools, debris, and the like from being kicked off the working surface.
Safety railing 10 may be erected by placing bases 24 around the periphery of the work area. Thereafter posts 20 are dropped into sockets 34 to raise bar 18. Toe rails 36 are placed in notches 26 to complete a section 12 of safety railing 10. The height of vertical posts 20 may be selected to position horizontal bar 18 at a level suitable to the particular application, safety requirements, and work area. Typically bar 18 will be positioned 42 inches off the working surface. Intermediate bar 22 will usually be 21 inches above the working surface. The length of sections 12 of safety railing 10 may also be selected to suit the application and work area. For example, safety railing 10 may be available in 10 foot, 7 5% foot, and 5 foot sections.
Various modes of carrying out the invention are contemplated as being within the scope of the following claims particularly pointing out and distinctly claiming the subject matter which is regarded as the invention.
I claim:
1. A portable safety railing comprising:
at least one raised horizontal bar supported at either end by vertical posts and subjectable to forces generating tipping moments in said posts;
square, weighted bases each having a pair of sockets for receiving said posts and for transmitting the tipping moments of said posts to said bases, the sockets in each base being spacedly located along one of the intersecting diagonals of the square base on opposite sides of, and equi-distant from, the diagonal intersection, said bases further having notches in each corner thereof extending inwardly along the diagonals; and
a slab-like toe rail located in said notches beneath said horizontal bar.
2. The safety railing according to claim 1 wherein said weighted bases are locatable on a working surface and said notches extend entirely through said base for permitting said toe rail to rest on the working surface.
3. The safety railing according to claim 1 further defined as including an intermediate bar between said raised bar and said toe rail.
4. The safety railing according to claim 1 wherein said raised horizontal bar and said vertical posts are formed of a single piece of material.
5. The safety railing according to claim 1 wherein said notches have flanges along the sides thereof for retaining the slab-like toe rail in position.
6. The safety railing according to claim 1 wherein said weighted base has a non skid surface applied to the underside thereof 7. The safety railing according to claim 1 wherein said weighted base includes means for lifting said base.
8. The safety railing according to claim 7 wherein said lifting means comprises a loop in the center of each of said bases between said spaced sockets and along said diagonal, thereby to provide a symmetrical lifting point for said bases.
9. The safety railing according to claim 7 wherein said lifting means comprises one or more hand holes in said base.

Claims (9)

1. A portable safety railing comprising: at least one raised horizontal bar supported at either end by vertical posts and subjectable to forces generating tipping moments in said posts; square, weighted bases each having a pair of sockets for receiving said posts and for transmitting the tipping moments of said posts to said bases, the sockets in each base being spacedly located along one of the intersecting diagonals of the square base on opposite sides of, and equi-distant from, the diagonal intersection, said bases further having notches in each corner thereof extending inwardly along the diagonals; and a slab-like toe rail located in said notches beneath said horizontal bar.
2. The safety railing according to claim 1 wherein said weighted bases are locatable on a working surface and said notches extend entirely through said base for permitting said toe rail tO rest on the working surface.
3. The safety railing according to claim 1 further defined as including an intermediate bar between said raised bar and said toe rail.
4. The safety railing according to claim 1 wherein said raised horizontal bar and said vertical posts are formed of a single piece of material.
5. The safety railing according to claim 1 wherein said notches have flanges along the sides thereof for retaining the slab-like toe rail in position.
6. The safety railing according to claim 1 wherein said weighted base has a non skid surface applied to the underside thereof.
7. The safety railing according to claim 1 wherein said weighted base includes means for lifting said base.
8. The safety railing according to claim 7 wherein said lifting means comprises a loop in the center of each of said bases between said spaced sockets and along said diagonal, thereby to provide a symmetrical lifting point for said bases.
9. The safety railing according to claim 7 wherein said lifting means comprises one or more hand holes in said base.
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Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880405A (en) * 1974-01-18 1975-04-29 Butler Manufacturing Co Portable, personnel guard rail
US4787603A (en) * 1985-09-05 1988-11-29 Norton Clive N Relocatable grazing yards
DE3842435C1 (en) * 1988-12-16 1990-07-12 Baumann, Wolfgang, 7958 Laupheim, De Protective device for building sites
US5161784A (en) * 1989-04-13 1992-11-10 Sader Stephen M Knock-down barrier for preventing admittance into an area
US5188342A (en) * 1992-01-15 1993-02-23 Sinco Incorporated Portable safety rail system
EP0560539A1 (en) * 1992-03-10 1993-09-15 Francis Ignatius Bradley A barrier system
US5456451A (en) * 1993-07-30 1995-10-10 Eyler, Jr.; Charles W. Safety railing post and brackets therefor
US5842685A (en) * 1995-04-14 1998-12-01 Harrison G. Purvis Temporary guard rail system
WO1999027215A1 (en) * 1997-11-19 1999-06-03 Robert Bosch Gmbh Base for securing shaped rods
US5913508A (en) * 1997-09-29 1999-06-22 Sure Step Gaurdrail Assembly, L. P. Multipurpose reusable safety rail assembly
US6220577B1 (en) 1998-07-17 2001-04-24 Paul Ostrow Temporary guard railing
EP1300518A1 (en) * 2001-10-04 2003-04-09 Gregory S. Kenton Safety rail system
US6554257B1 (en) 2000-06-16 2003-04-29 Gregory S. Kenton Safety rail system
US20030094604A1 (en) * 2001-09-13 2003-05-22 Higgs Philip Maurice Connector for a modular safety rail
US20040065794A1 (en) * 2002-07-04 2004-04-08 Higgs Philip Maurice Modular safety rail system
US6857677B1 (en) 2004-03-18 2005-02-22 Integris Metals, Inc. Trailer safety handrail system and methods
US20050056741A1 (en) * 2002-07-04 2005-03-17 Kee Klamp Limited Modular safety rail system
WO2006001895A2 (en) * 2004-06-14 2006-01-05 Kenton Gregory S Parapet safety rail system
US20060011901A1 (en) * 2004-06-30 2006-01-19 Anson Andrew P Portable safety barrier system
US20060278472A1 (en) * 2005-06-10 2006-12-14 Kenton Gregory S Collapsible safety rail system
US20070114507A1 (en) * 2005-11-23 2007-05-24 Ellis J N Safety Rail Assembly
USRE39842E1 (en) 1995-04-14 2007-09-18 Purvis Harrison G Temporary guard rail system
US20070228352A1 (en) * 2006-03-30 2007-10-04 Kee Klamp Limited Safety rail assembly
US20080000163A1 (en) * 2006-06-12 2008-01-03 Garlock Equipment Company Latch assembly for safety rail system
US20080006809A1 (en) * 2006-06-14 2008-01-10 Stoffels Richard B Safety Rail System
US20080256864A1 (en) * 2007-04-23 2008-10-23 Stoffels Richard B Skylight Protector
US20090095947A1 (en) * 2007-10-11 2009-04-16 Brad Supples Fall protection assembly
US20090159864A1 (en) * 2005-05-09 2009-06-25 Kevin Perris Temporary guard rail support
US20100171085A1 (en) * 2009-01-06 2010-07-08 Webster Iv Eugene P Guardrail Post Base
US20130092479A1 (en) * 2011-10-13 2013-04-18 Inventio Ag Elevator
US20130256491A1 (en) * 2012-03-29 2013-10-03 John House Construction safety handrail and toeboard system
US8632056B1 (en) 2011-11-23 2014-01-21 Michael L. Roberts Safety rail system
US20140084231A1 (en) * 2011-06-09 2014-03-27 Suntory Holdings Limited Safety fence
US20150041744A1 (en) * 2012-03-19 2015-02-12 Kee Safety Limited Modular safety rail system
US9376832B2 (en) 2011-09-12 2016-06-28 Safety Rail Company, Llc Portable safety rail system
USD777460S1 (en) * 2014-10-21 2017-01-31 Target Brands, Inc. Structured queuing assembly
US10000944B2 (en) 2016-02-05 2018-06-19 The Bilco Company Gate latch
USD880003S1 (en) 2019-07-24 2020-03-31 Eberl Iron Works, Inc. Rooftop railing system
US20210087848A1 (en) * 2019-09-20 2021-03-25 Wolfgang Haase Fence Securing Device
US20220205273A1 (en) * 2020-12-31 2022-06-30 Frank Vingerhoets Modular fencing system with gated access
US11585360B2 (en) * 2020-01-21 2023-02-21 Shanghai NEOCRAFT Tool Co., Ltd Connector and fence using same

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US88147A (en) * 1869-03-23 Improvement in flood-fence
US269003A (en) * 1882-12-12 Fence
US2517386A (en) * 1946-11-07 1950-08-01 David L Cooper Portable sectional fence
US3020023A (en) * 1959-07-06 1962-02-06 David R Macintyre Traffic control barrier
US3454262A (en) * 1967-04-04 1969-07-08 Ned P Romano Interchangeable fence construction
US3589682A (en) * 1968-11-30 1971-06-29 Edward Earl Dickey Safety fence support column

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US88147A (en) * 1869-03-23 Improvement in flood-fence
US269003A (en) * 1882-12-12 Fence
US2517386A (en) * 1946-11-07 1950-08-01 David L Cooper Portable sectional fence
US3020023A (en) * 1959-07-06 1962-02-06 David R Macintyre Traffic control barrier
US3454262A (en) * 1967-04-04 1969-07-08 Ned P Romano Interchangeable fence construction
US3589682A (en) * 1968-11-30 1971-06-29 Edward Earl Dickey Safety fence support column

Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880405A (en) * 1974-01-18 1975-04-29 Butler Manufacturing Co Portable, personnel guard rail
US4787603A (en) * 1985-09-05 1988-11-29 Norton Clive N Relocatable grazing yards
DE3842435C1 (en) * 1988-12-16 1990-07-12 Baumann, Wolfgang, 7958 Laupheim, De Protective device for building sites
US5161784A (en) * 1989-04-13 1992-11-10 Sader Stephen M Knock-down barrier for preventing admittance into an area
US5188342A (en) * 1992-01-15 1993-02-23 Sinco Incorporated Portable safety rail system
EP0560539A1 (en) * 1992-03-10 1993-09-15 Francis Ignatius Bradley A barrier system
US5456451A (en) * 1993-07-30 1995-10-10 Eyler, Jr.; Charles W. Safety railing post and brackets therefor
US5842685A (en) * 1995-04-14 1998-12-01 Harrison G. Purvis Temporary guard rail system
USRE39842E1 (en) 1995-04-14 2007-09-18 Purvis Harrison G Temporary guard rail system
US5913508A (en) * 1997-09-29 1999-06-22 Sure Step Gaurdrail Assembly, L. P. Multipurpose reusable safety rail assembly
WO1999027215A1 (en) * 1997-11-19 1999-06-03 Robert Bosch Gmbh Base for securing shaped rods
JP2001508513A (en) * 1997-11-19 2001-06-26 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Pedestal for fixing molding material
US6367762B1 (en) * 1997-11-19 2002-04-09 Robert Bosch Gmbh Base for securing shaped rods
US6220577B1 (en) 1998-07-17 2001-04-24 Paul Ostrow Temporary guard railing
US6554257B1 (en) 2000-06-16 2003-04-29 Gregory S. Kenton Safety rail system
US20030094604A1 (en) * 2001-09-13 2003-05-22 Higgs Philip Maurice Connector for a modular safety rail
US6848679B2 (en) * 2001-09-13 2005-02-01 Kee Klamp Limited Connector for a modular safety rail
EP1300518A1 (en) * 2001-10-04 2003-04-09 Gregory S. Kenton Safety rail system
US20040065794A1 (en) * 2002-07-04 2004-04-08 Higgs Philip Maurice Modular safety rail system
US20050056741A1 (en) * 2002-07-04 2005-03-17 Kee Klamp Limited Modular safety rail system
US6857677B1 (en) 2004-03-18 2005-02-22 Integris Metals, Inc. Trailer safety handrail system and methods
WO2006001895A2 (en) * 2004-06-14 2006-01-05 Kenton Gregory S Parapet safety rail system
WO2006001895A3 (en) * 2004-06-14 2007-04-26 Gregory S Kenton Parapet safety rail system
US20060011901A1 (en) * 2004-06-30 2006-01-19 Anson Andrew P Portable safety barrier system
US7338033B2 (en) 2004-06-30 2008-03-04 Andrew Philip Anson Portable safety barrier system
US20090159864A1 (en) * 2005-05-09 2009-06-25 Kevin Perris Temporary guard rail support
US8132792B2 (en) * 2005-05-09 2012-03-13 Safety In A Second Ltd. Temporary guard rail support
US8689938B2 (en) * 2005-06-10 2014-04-08 Gregory S. Kenton Collapsible safety rail system
US20060278472A1 (en) * 2005-06-10 2006-12-14 Kenton Gregory S Collapsible safety rail system
US20070114507A1 (en) * 2005-11-23 2007-05-24 Ellis J N Safety Rail Assembly
US20090206314A1 (en) * 2005-11-23 2009-08-20 Ellis J Nigel Safety rail assembly
US7527461B2 (en) 2005-11-23 2009-05-05 Ellis J Nigel Safety rail assembly
US20070228352A1 (en) * 2006-03-30 2007-10-04 Kee Klamp Limited Safety rail assembly
US7516816B2 (en) 2006-03-30 2009-04-14 Kee Klamp Limited Safety rail assembly
EP1840298A3 (en) * 2006-03-30 2008-05-14 Kee Klamp Limited Safety rail assembly
US20080000163A1 (en) * 2006-06-12 2008-01-03 Garlock Equipment Company Latch assembly for safety rail system
US7743556B2 (en) 2006-06-12 2010-06-29 Garlock Equipment Company Latch assembly for safety rail system
US20100264674A1 (en) * 2006-06-12 2010-10-21 Stoffels Richard B Latch Assembly for Safety Rail System
US7832148B2 (en) 2006-06-12 2010-11-16 Garlock Equipment Company Latch assembly for safety rail system
US20080006809A1 (en) * 2006-06-14 2008-01-10 Stoffels Richard B Safety Rail System
US8366079B2 (en) 2006-06-14 2013-02-05 Garlock Equipment Company Safety rail system
US20080256864A1 (en) * 2007-04-23 2008-10-23 Stoffels Richard B Skylight Protector
US20090095947A1 (en) * 2007-10-11 2009-04-16 Brad Supples Fall protection assembly
US20100171085A1 (en) * 2009-01-06 2010-07-08 Webster Iv Eugene P Guardrail Post Base
US20140084231A1 (en) * 2011-06-09 2014-03-27 Suntory Holdings Limited Safety fence
US9200416B2 (en) * 2011-06-09 2015-12-01 Suntory Holdings Limited Safety fence
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