CA2557985A1 - Fall arrest system with a deformable link - Google Patents

Fall arrest system with a deformable link Download PDF

Info

Publication number
CA2557985A1
CA2557985A1 CA002557985A CA2557985A CA2557985A1 CA 2557985 A1 CA2557985 A1 CA 2557985A1 CA 002557985 A CA002557985 A CA 002557985A CA 2557985 A CA2557985 A CA 2557985A CA 2557985 A1 CA2557985 A1 CA 2557985A1
Authority
CA
Canada
Prior art keywords
ladder
deformable link
post
support member
base
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.)
Granted
Application number
CA002557985A
Other languages
French (fr)
Other versions
CA2557985C (en
Inventor
Jan Vetesnik
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.)
DB Industries LLC
Original Assignee
Capital Safety Group Winnipeg Ltd
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 Capital Safety Group Winnipeg Ltd filed Critical Capital Safety Group Winnipeg Ltd
Priority to CA2557985A priority Critical patent/CA2557985C/en
Publication of CA2557985A1 publication Critical patent/CA2557985A1/en
Application granted granted Critical
Publication of CA2557985C publication Critical patent/CA2557985C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0093—Fall arrest reel devices
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/18—Scaffolds primarily resting on the ground adjustable in height
    • E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/001—Safety or protective measures against falling down relating to scaffoldings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39—Ladders having platforms; Ladders changeable into platforms
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • 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
    • E06C7/186—Rail or rope for guiding a safety attachment, e.g. a fall arrest system

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Ladders (AREA)

Abstract

A fall arrest system is provided that includes a movable base, a vertical post portion coupled to the base, an arm extending from the post portion, at least one support member and a deformable link. The at least one support member is coupled at an end of the arm and provides for attachment to and loading from a personal fall arrest system. The deformable link extends between a first connection point on the post portion and a second connection point on the arm such that the deformable link supports the arm on the post portion. The deformable link is configured to bend if the load exceeds the load limit of the fall arrest system thereby visually indicating overloading of the apparatus.

Claims (18)

1. Apparatus comprising:

a base carried on ground wheels for movement over a ground surface to an elevated structure on which one or more persons is intended to work;

a ladder upstanding from the base to an elevated position above the base;

the upstanding ladder being adjustable in height from the base;

the upstanding ladder including two side rails and transverse rungs such that said one of more persons can climb the ladder to the elevated structure;

at least one of the side rails of the ladder having mounted thereon a tubular receptacle;

a post member mounted in the tubular receptacle and shaped and arranged so as to extend upwardly from the receptacle and forwardly beyond the end of the upper part of the ladder;

and at least one support member at an end of the post member remote from the tubular receptacle for attachment to and loading from a personal fall arrest system for attachment to said one or more persons.
2. The apparatus according to Claim 1 wherein each of the side rails includes a respective tubular receptacle and a respective post member and wherein there are at least two support member each carried on a respective one of the post members and each for receiving the personal fall arrest system of a respective one of two separate persons.
3. The apparatus according to Claim 1 wherein the at least one support member is mounted so as to allow side to side movement of the support member relative to the base.
4. The apparatus according to Claim 1 wherein the base includes a hitch by which the base can be moved to the elevated structure by a towing vehicle.
5. The apparatus according to Claim 1 wherein there is provided a platform at a top of the ladder extending from the top of the ladder outwardly over the base.
6. The apparatus according to Claim 1 wherein the post member and the support member are arranged such that the support member is cantilevered generally over a mid line of the base.
7. The apparatus according to Claim 1 wherein each support member comprises a loop for receiving a hook of the personal fall arrest system.
8. The apparatus according to Claim 1 wherein the post member is inclined forwardly of an upper end of the side rail to cantilever the support member in front of the ladder.
9. The apparatus according to Claim 1 wherein there is provided a platform between rails at the top of the ladder for the person to step onto the elevated structure.
10. The apparatus according to Claim 1 wherein the tubular receptacle allows adjustment of the post member relative to the side rail of the ladder.
11. The apparatus according to Claim 1 wherein the tubular receptacle allows height adjustment of the post member relative to the side rail of the ladder.
12. The apparatus according to Claim 1 wherein the post member is inclined upwardly, forwardly from the respective rail and outwardly to one side of the respective side rail away from the other of the side rails.
13. The apparatus according to Claim 1 wherein the tubular receptacle is vertical and the post member includes a vertical post portion and an arm extending from the post portion to the support member.
14. The apparatus according to Claim 13 wherein there is provided a deformable link between the post portion and the arm, the deformable link comprising a longitudinal member having opposite ends spaced apart by a first distance, said deformable link extending between the first and second connection points, thereby supporting the arm on the post portion; the deformable link being adapted to bend if the load exceeds the load limit of the apparatus thereby visually indicating overloading of the apparatus; and the arm being arranged to move during bending of the deformable link such that the distance between the ends of the deformable link is decreased.
15. The apparatus according to Claim 14 wherein the load is supported on the arm at a loading point distally spaced from the post.
16. The apparatus according to Claim 14 wherein the deformable link further comprises a plurality of slots spaced along the deformable link between the opposite ends thereof, said slots extending into said deformable link from a first side thereof.
17. The apparatus according to Claim 16 wherein the deformable link comprises a U-shaped cross section defining a central portion separating two spaced apart side portions, said side portions extending from the central portion toward the first side of the deformable link such that the plurality of slots are spaced along and extend into each of said side portions.
18. The apparatus according to Claim 17 wherein the slots in the side portions of the longitudinal member do not extend to the central section thereof.
CA2557985A 2006-08-23 2006-08-23 Fall arrest system with a deformable link Expired - Fee Related CA2557985C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2557985A CA2557985C (en) 2006-08-23 2006-08-23 Fall arrest system with a deformable link

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2557985A CA2557985C (en) 2006-08-23 2006-08-23 Fall arrest system with a deformable link

Publications (2)

Publication Number Publication Date
CA2557985A1 true CA2557985A1 (en) 2008-02-23
CA2557985C CA2557985C (en) 2013-06-25

Family

ID=39103105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2557985A Expired - Fee Related CA2557985C (en) 2006-08-23 2006-08-23 Fall arrest system with a deformable link

Country Status (1)

Country Link
CA (1) CA2557985C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009127002A1 (en) * 2008-04-15 2009-10-22 Bonney Welding Pty Ltd A reversibly attachable fall restraint apparatus
GB2473284A (en) * 2009-09-08 2011-03-09 Shire 4 Education Ltd Mobile fall prevention assembly with twin booms
CN105151313A (en) * 2015-08-11 2015-12-16 中国航空工业集团公司西安飞机设计研究所 Protection pedal and aircraft with same
WO2016149326A3 (en) * 2015-03-16 2016-11-03 Gorbel, Inc. Self-standing fall arrest system
CN110172900A (en) * 2019-06-19 2019-08-27 中能电力科技开发有限公司 A kind of across the guardrail-type suspension bridge structure of offshore wind farm engineering blower maintenance

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009127002A1 (en) * 2008-04-15 2009-10-22 Bonney Welding Pty Ltd A reversibly attachable fall restraint apparatus
GB2473284A (en) * 2009-09-08 2011-03-09 Shire 4 Education Ltd Mobile fall prevention assembly with twin booms
WO2016149326A3 (en) * 2015-03-16 2016-11-03 Gorbel, Inc. Self-standing fall arrest system
US9744386B2 (en) 2015-03-16 2017-08-29 Gorbel, Inc. Self-standing fall arrest system
CN105151313A (en) * 2015-08-11 2015-12-16 中国航空工业集团公司西安飞机设计研究所 Protection pedal and aircraft with same
CN110172900A (en) * 2019-06-19 2019-08-27 中能电力科技开发有限公司 A kind of across the guardrail-type suspension bridge structure of offshore wind farm engineering blower maintenance

Also Published As

Publication number Publication date
CA2557985C (en) 2013-06-25

Similar Documents

Publication Publication Date Title
US7828116B2 (en) Mobile mount for attachment of a fall arrest system
US20090152045A1 (en) Mobile mount for attachment of a fall arrest system
US8251179B2 (en) Portable safety ladder assembly
US20070169996A1 (en) Powered lift platform
US4129198A (en) Pole seat and ladder
CA2557985A1 (en) Fall arrest system with a deformable link
US20070191123A1 (en) Challenge course
US20090114478A1 (en) Portable anchorage assembly
US8151934B2 (en) Portable observation tower and system for operation
JP3914159B2 (en) Device that protects workers on scaffolding
US4897011A (en) Mechanical lift device
CN215055067U (en) Platform device for slope construction
AU2002232333A1 (en) Device for human protection in scaffolding
US20130240816A1 (en) Edge Protection System Using Cantilevered Counterweight
US6331016B1 (en) Stabilizer system for trailers
CA2361412A1 (en) Mechanics back ease
KR102268727B1 (en) Table Lift Having Wheel Support Apparatus
CA1138415A (en) Jack extension
CA2690528A1 (en) Mobile mount for attachment of a fall arrest system
CN107806235B (en) Construction platform for installing front windshield of metro vehicle
GB2211237A (en) Support platform
CN212983624U (en) Movable hanging basket
CN210680805U (en) Telescopic fence transport vehicle
IE900151A1 (en) A Construction of Ladder
CN211688152U (en) Self-propelled aerial working platform lifting mechanism

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20220301

MKLA Lapsed

Effective date: 20200831