GB2310682A - A ladder stabiliser - Google Patents

A ladder stabiliser Download PDF

Info

Publication number
GB2310682A
GB2310682A GB9604109A GB9604109A GB2310682A GB 2310682 A GB2310682 A GB 2310682A GB 9604109 A GB9604109 A GB 9604109A GB 9604109 A GB9604109 A GB 9604109A GB 2310682 A GB2310682 A GB 2310682A
Authority
GB
United Kingdom
Prior art keywords
ladder
support members
spindle
cable
feet
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Withdrawn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
GB9604109A
Other versions
GB9604109D0 (en
Inventor
Joe Martin
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 GB9604109A priority Critical patent/GB2310682A/en
Publication of GB9604109D0 publication Critical patent/GB9604109D0/en
Publication of GB2310682A publication Critical patent/GB2310682A/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Withdrawn legal-status Critical Current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
    • E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

An attachment for a ladder 7 that increases the stability of the ladder 7, particularly against sideways movement, by placing support members 2 under a horizontal surface on the wall, eg a widow sill 8, and thus jams the ladder 7 between the ground and the window sill 8. The attachment comprises support members 2, pads 6 for engaging a surface and a handle mechanism 4 for operating the support members. The handle 4 operates the support members 2 simultaneously via a spindle 3 that is attached to a mounting plate 1. A ratchet mechanism locks the support members 2 in position. The spindle 3 may have a spool 9 located on it for storing a cable. This cable can be used to secure the ladder to other objects to increase the ladder's stability.

Description

Ladder Safety Device.
This invention relates to an anti-slip ladder lock.
Ladders are constantly in use by a wide variety of people for a wide variety of tasks. For example, Window Cleaners use a ladder usually placed against a window sill or ledge whilst, a builder may use his ladder against such things as scaffolding, soffet board, the roof of a house or at window sills.
The common denominator is that the ladder must rest against items such as a window sill, ledge, soffet, roof or scaffolding.
This invention provides a ladder lock comprising of a ratchet operated set of feet which anchor the ladder solidly to the object against which it is leaning. Pads are attached to the feet to allow for uneven surfaces and prevent movement in any direction. Where the feet are not suitable to hold the ladder securely an accessory cable spool attaches to the spindle to provide secure locking for most other uses. The device remains fixed to the ladder at all times and therefore is always available when the ladder is to be used.
An example of the device will now be described with reference to the accompanying drawings in which: Fig 1 shows an ordanary ladder 7 resting in this case against a window sill or ledge 8 Fig 2 shows the anti-slip device complete with cable spool 9.
Fig 3 shows the device fitted to a ladder, 7 in this case without the cable spool 9 .The device can be used with or without the cable spool 9 depending on the need.
Fig 4 shows device fitted to a ladder 7 in this case with the cable spool 9.
Referring to Fig 2, the anti-slip ladder lock comprises of a spindle 3 with or without cable spool 9, attached to mounting plates 1. There are two feet 2 attached to the spindle, these will be fitted inside the frame of the ladder. One end of the spindle 3 is attached to a ratchet mechanism 4 which operates the feet 2 or spool 9 and locks or holds the ladder into position.
Referring to Fig 3, when using the device to secure the ladder to a window sill or ledge, the ratchet handle 4 is drawn back toward the user. This operation rotates the spindle, 3 which in turn pulls the feet 2 with pads 6 upward to the under-side of the sill or ledge 8 causing the ladder 7 to be jammed or locked between the ground and the sill or ledge 8 as indicated by the arrows in this drawing. The user may then carry out his task with the ladder safely held in position.
To move the ladder, the ratchet handle 4 is released allowing the feet 2 to lower, therefore unlocking the ladder 7 from its position.
Referring to Fig 4 when using the device with a cable spool 9 attached. The cable from the spool can be used to secure the ladder 7 to other objects. For this to happen, securing pins 10 locking the feet 2 to the spindle 3 can be easily removed allowing the spindle 3 to fully rotate. This being necessary to wind in excess cable with the ratchet handle 4 and hold the ladder tightly to whatever object the cable is attached.
To move the ladder the ratchet handle is released allowing the cable to be released, therefore releasing the ladder from its position.

Claims (3)

CLUMS
1 A safety device comprising of a pair of feet (2) mounted on a ladder and operated by a handle mechanism (4) which locks the ladder in position by jamming the ladder between the ground and the object upon which it leans.
2 A safety device as in claim 1 with attachable accessories to enable ladders to be locked to different objects.
3 A saftey device as described herein and as detailed in the description and drawings for this saftey device.
GB9604109A 1996-02-27 1996-02-27 A ladder stabiliser Withdrawn GB2310682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9604109A GB2310682A (en) 1996-02-27 1996-02-27 A ladder stabiliser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9604109A GB2310682A (en) 1996-02-27 1996-02-27 A ladder stabiliser

Publications (2)

Publication Number Publication Date
GB9604109D0 GB9604109D0 (en) 1996-05-01
GB2310682A true GB2310682A (en) 1997-09-03

Family

ID=10789472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604109A Withdrawn GB2310682A (en) 1996-02-27 1996-02-27 A ladder stabiliser

Country Status (1)

Country Link
GB (1) GB2310682A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU699109B2 (en) * 1995-08-17 1998-11-19 William Urquhart Ladder supporter
US6352135B1 (en) * 2000-05-16 2002-03-05 Myra L. Jones Accessory device for ladders
GB2428730A (en) * 2005-08-04 2007-02-07 Jeffrey Vint Stabiliser for ladder
GB2432621A (en) * 2005-11-24 2007-05-30 Douglas Burton A ladder stabilising device fixing the base of the ladder to an anchor point.
FR2898934A1 (en) * 2006-03-22 2007-09-28 Michel Gautier Ladder stabilizing device for use by e.g. painter, in dwelling, has chain forming connection between jaw and lever locked on locking system, where locking system maintains jaw in closed position, and jaw is centered on top of ladder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712419A (en) * 1971-08-04 1973-01-23 Hara C O Ladder attachment
US3713510A (en) * 1971-03-10 1973-01-30 Dell U O Ladder push out apparatus
US4143743A (en) * 1978-06-05 1979-03-13 Larson Dale W Eaves ladder grip
US4823912A (en) * 1988-06-06 1989-04-25 Gould William E Multipurpose ladder fixture
US5358071A (en) * 1993-07-13 1994-10-25 Stennett Arthur R Gutter protecting ladder attachment
US5529145A (en) * 1994-06-08 1996-06-25 Allred; Franklin Safety ladder attachment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713510A (en) * 1971-03-10 1973-01-30 Dell U O Ladder push out apparatus
US3712419A (en) * 1971-08-04 1973-01-23 Hara C O Ladder attachment
US4143743A (en) * 1978-06-05 1979-03-13 Larson Dale W Eaves ladder grip
US4823912A (en) * 1988-06-06 1989-04-25 Gould William E Multipurpose ladder fixture
US5358071A (en) * 1993-07-13 1994-10-25 Stennett Arthur R Gutter protecting ladder attachment
US5529145A (en) * 1994-06-08 1996-06-25 Allred; Franklin Safety ladder attachment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU699109B2 (en) * 1995-08-17 1998-11-19 William Urquhart Ladder supporter
US6352135B1 (en) * 2000-05-16 2002-03-05 Myra L. Jones Accessory device for ladders
GB2428730A (en) * 2005-08-04 2007-02-07 Jeffrey Vint Stabiliser for ladder
GB2432621A (en) * 2005-11-24 2007-05-30 Douglas Burton A ladder stabilising device fixing the base of the ladder to an anchor point.
FR2898934A1 (en) * 2006-03-22 2007-09-28 Michel Gautier Ladder stabilizing device for use by e.g. painter, in dwelling, has chain forming connection between jaw and lever locked on locking system, where locking system maintains jaw in closed position, and jaw is centered on top of ladder

Also Published As

Publication number Publication date
GB9604109D0 (en) 1996-05-01

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Legal Events

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