US3776521A - Portable safety railing - Google Patents
Portable safety railing Download PDFInfo
- 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
- Authority
- US
- United States
- Prior art keywords
- safety railing
- base
- bases
- posts
- railing according
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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.
Landscapes
- 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.
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.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23844472A | 1972-03-27 | 1972-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3776521A true US3776521A (en) | 1973-12-04 |
Family
ID=22897920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00238444A Expired - Lifetime US3776521A (en) | 1972-03-27 | 1972-03-27 | Portable safety railing |
Country Status (1)
Country | Link |
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US (1) | US3776521A (en) |
Cited By (41)
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 |
-
1972
- 1972-03-27 US US00238444A patent/US3776521A/en not_active Expired - Lifetime
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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)
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 |
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