HK20284A - Improvements in ladders - Google Patents

Improvements in ladders

Info

Publication number
HK20284A
HK20284A HK20284A HK20284A HK20284A HK 20284 A HK20284 A HK 20284A HK 20284 A HK20284 A HK 20284A HK 20284 A HK20284 A HK 20284A HK 20284 A HK20284 A HK 20284A
Authority
HK
Hong Kong
Prior art keywords
ladders
Prior art date
Application number
HK20284A
Inventor
Ian Beresford Coutts
Original Assignee
Ian Beresford Coutts
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
Priority claimed from US05/970,967 external-priority patent/US4243122A/en
Application filed by Ian Beresford Coutts filed Critical Ian Beresford Coutts
Publication of HK20284A publication Critical patent/HK20284A/en

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
    • E06C7/42—Ladder feet; Supports therefor
    • E06C7/426—Height adjustable supports for receiving both ladder feet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
HK20284A 1978-12-19 1984-03-08 Improvements in ladders HK20284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/970,967 US4243122A (en) 1977-01-06 1978-12-19 Ladders leveling device

Publications (1)

Publication Number Publication Date
HK20284A true HK20284A (en) 1984-03-16

Family

ID=25517767

Family Applications (1)

Application Number Title Priority Date Filing Date
HK20284A HK20284A (en) 1978-12-19 1984-03-08 Improvements in ladders

Country Status (2)

Country Link
GB (1) GB2037357B (en)
HK (1) HK20284A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079893B1 (en) * 1981-01-02 1985-08-28 Milba Properties Pty. Ltd. Levelling device for ladders
GB2142076A (en) * 1983-06-22 1985-01-09 David John Roberts Ladder support
GB8407232D0 (en) * 1984-03-20 1984-04-26 Cox A Ladder steadying arrangement
FR2621952B1 (en) * 1987-10-14 1990-12-14 Fameca Sa LEVEL COMPENSATOR FOR LADDER
GB2232710A (en) * 1989-06-14 1990-12-19 Michael James * Kitson Device for stabilizing a ladder
WO1991014850A1 (en) * 1990-03-20 1991-10-03 Keith Edward Wright Ladder support device
GB0023292D0 (en) 2000-09-22 2000-11-08 Surefoot Ltd Self-levelling support
GB2449728A (en) 2006-08-29 2008-12-03 Steven Le Masurier A safety device for stabilising a ladder on uneven ground

Also Published As

Publication number Publication date
GB2037357A (en) 1980-07-09
GB2037357B (en) 1982-11-17

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