GB2498405A - Ladder extension bars - Google Patents

Ladder extension bars Download PDF

Info

Publication number
GB2498405A
GB2498405A GB201201371A GB201201371A GB2498405A GB 2498405 A GB2498405 A GB 2498405A GB 201201371 A GB201201371 A GB 201201371A GB 201201371 A GB201201371 A GB 201201371A GB 2498405 A GB2498405 A GB 2498405A
Authority
GB
United Kingdom
Prior art keywords
ladder
extension bars
bars
roof
attach
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.)
Withdrawn
Application number
GB201201371A
Other versions
GB201201371D0 (en
Inventor
David Trotman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB201201371A priority Critical patent/GB2498405A/en
Publication of GB201201371D0 publication Critical patent/GB201201371D0/en
Publication of GB2498405A publication Critical patent/GB2498405A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/181—Additional gripping devices, e.g. handrails
    • E06C7/182—Additional gripping devices, e.g. handrails situated at the top of the ladder

Abstract

This invention consists of a pair of extension bars which attach to the top of a ladder frame and are shaped to allow a person to walk through them and step directly onto a roof. This avoids the need to step sideways onto a roof which may result in the ladder slipping and this new invention therefore makes this procedure much safer. The extension bars may attach to the ladder head by means of bolts. The extension bars may be manufactured from box-section bars, I-beam or round tubing.

Description

Ladder extension bars
DESCRIPTION
This application relates to an invention designed to make the transition between ladders and roofs a much safer action.
One of the most risky maneuvers when working with ladders is the transfer from ladder to roof and vice-versa. With the normal ladder without the bars there is a tendency to create a sideways force that may result in the ladder slipping sideways and creating a dangerous situation.
The basic design which is the subject of this patent application is shown in Drawing Reference DJT-I and consists of two extension bars which attach by bolts to the top of the ladder frame and are shaped to provide a space between the ban that is sufficient to allow a person to move between these bars and step directly onto the roof and back without any sideways force and hence there is no tendency for the ladder to slip sideways.
This makes the transition between (adder and roof much safer, particularly on building sites where ladders are in frequent use to provide roof access. This arrangement is also beneficial in domestic situations where ladder skills may not be so highly developed.
The general features of this invention are shown in Drawing Ref Dii-t where each of the two bars is shown bolted to the sides of a ladder using a standard nut, bolt and washer arrangement.
Drawing Reference DJT -2 provides additional details of the bars including an option to provide the necessary bar shape using a welded construction in place of the bending process.
Drawing Reference DJT -2 also makes reference to bar section options that could be used to make the extension bars.
These include:- * Extruded hollow section rectangular tubing.
* Extruded I-beam.
* Extruded round tubing For improved stability, this option may benefit from flat plates welded to the tubing at the fixing points. t * . . * ** * *
*..*** * * * S * * S
GB201201371A 2012-01-11 2012-01-11 Ladder extension bars Withdrawn GB2498405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201201371A GB2498405A (en) 2012-01-11 2012-01-11 Ladder extension bars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201201371A GB2498405A (en) 2012-01-11 2012-01-11 Ladder extension bars

Publications (2)

Publication Number Publication Date
GB201201371D0 GB201201371D0 (en) 2012-03-14
GB2498405A true GB2498405A (en) 2013-07-17

Family

ID=45876163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201201371A Withdrawn GB2498405A (en) 2012-01-11 2012-01-11 Ladder extension bars

Country Status (1)

Country Link
GB (1) GB2498405A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017031523A1 (en) * 2015-08-24 2017-03-02 Firefox Industries Pty Ltd An attachment member for a ladder
US20230048647A1 (en) * 2021-08-10 2023-02-16 Charles J. Mackarvich Ladder walkthrough

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6394229B1 (en) * 2000-08-28 2002-05-28 Russell J. Hastreiter Ladder attachment kit
US20050236227A1 (en) * 2004-04-23 2005-10-27 Clark Bruce D Ladder top walk through extensions
US20080190692A1 (en) * 2007-02-12 2008-08-14 Feik Frederick G Ladder anchor
US20080202850A1 (en) * 2007-02-26 2008-08-28 Anderson James T Portable safety ladder assembly
US20110247895A1 (en) * 2010-04-09 2011-10-13 Smith Leon B Walk through ladder platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6394229B1 (en) * 2000-08-28 2002-05-28 Russell J. Hastreiter Ladder attachment kit
US20050236227A1 (en) * 2004-04-23 2005-10-27 Clark Bruce D Ladder top walk through extensions
US20080190692A1 (en) * 2007-02-12 2008-08-14 Feik Frederick G Ladder anchor
US20080202850A1 (en) * 2007-02-26 2008-08-28 Anderson James T Portable safety ladder assembly
US20110247895A1 (en) * 2010-04-09 2011-10-13 Smith Leon B Walk through ladder platform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017031523A1 (en) * 2015-08-24 2017-03-02 Firefox Industries Pty Ltd An attachment member for a ladder
US20230048647A1 (en) * 2021-08-10 2023-02-16 Charles J. Mackarvich Ladder walkthrough
US11913283B2 (en) * 2021-08-10 2024-02-27 Charles J. Mackarvich Ladder walkthrough

Also Published As

Publication number Publication date
GB201201371D0 (en) 2012-03-14

Similar Documents

Publication Publication Date Title
US9816279B2 (en) Standing seam mounting brackets
GB2498405A (en) Ladder extension bars
CN204326483U (en) A kind of construction safety scaffold
CN105088979B (en) Demolition blasting method for large bridge
CN204752026U (en) Tower crane escape way
DK2325415T3 (en) Safety Railing System
CN202788882U (en) Pedal device between high-inclining-angle supports
MX2014010410A (en) Method and apparatus for assembling field erected cooling tower frame.
CN209398349U (en) A kind of mobile maintenance platform of ascending stair formula
CN204941009U (en) A kind of electric power steel pole
CN204238352U (en) The syndeton of a kind of purlin and straight brace
KR20100010349U (en) construction truss a vinyl house
CN205742944U (en) A kind of construction operation scaffold
CN202892703U (en) Sliding safety pole for installing tension bar on fabricated building roof
CN204510760U (en) A kind of Building class climbing system
CN203530857U (en) Operable lifting construction bearing platform
CN204139392U (en) A kind of curtain wall exchanging structure
CN204111130U (en) A kind of elevator craning cage extendable platform
CN204532022U (en) A kind of folded ladder
CN204691066U (en) A kind of steel beam structure
CN205088975U (en) Frame girder
CN205088927U (en) Construction scaffold
CN210828282U (en) High-strength foot blocking plate
CN211524042U (en) Building site steel pipe scaffold puts up fixing device
SG193685A1 (en) A-shaped safety ladder

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)