GB191200897A - Improvements in Ladder Hooks. - Google Patents

Improvements in Ladder Hooks.

Info

Publication number
GB191200897A
GB191200897A GB191200897DA GB191200897A GB 191200897 A GB191200897 A GB 191200897A GB 191200897D A GB191200897D A GB 191200897DA GB 191200897 A GB191200897 A GB 191200897A
Authority
GB
United Kingdom
Prior art keywords
bar
rung
shaped
lugs
hooks
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
Application number
Inventor
Frank Walis Chickering
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
Application granted granted Critical
Publication of GB191200897A publication Critical patent/GB191200897A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/36—Ladders suspendable by hooks or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Abstract

897. Chickering, F. W. Jan. 11. Ladders are attached to various objects by hooks 1 on a U-shaped frame having rungengaging lugs 4 and a slotted guide 6, in which is adjustably secured a T-shaped bar 8, having rung-engaging lugs 11 and an adjustable sleeve 12 provided with a rung-engaging lug 13. The upper end of the bar 8 has a stop flange 15 to prevent the bar from leaving the guide 6. In a modification, the T-shaped bar is replaced by a straight hooked bar.
GB191200897D 1912-01-11 1912-01-11 Improvements in Ladder Hooks. Expired GB191200897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191200897T 1912-01-11

Publications (1)

Publication Number Publication Date
GB191200897A true GB191200897A (en) 1912-03-21

Family

ID=32367418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191200897D Expired GB191200897A (en) 1912-01-11 1912-01-11 Improvements in Ladder Hooks.

Country Status (1)

Country Link
GB (1) GB191200897A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014078950A1 (en) * 2012-11-20 2014-05-30 9105-0732 Quebec Inc. Safety extension device for a ladder
GB2557286A (en) * 2016-12-05 2018-06-20 Vincent Cole Geoffrey A Ladder Apparatus
CN115199204A (en) * 2022-06-28 2022-10-18 上海外高桥造船有限公司 Staircase antiskid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014078950A1 (en) * 2012-11-20 2014-05-30 9105-0732 Quebec Inc. Safety extension device for a ladder
GB2557286A (en) * 2016-12-05 2018-06-20 Vincent Cole Geoffrey A Ladder Apparatus
GB2557286B (en) * 2016-12-05 2018-12-19 Vincent Cole Geoffrey A Collapsible Ladder Apparatus
CN115199204A (en) * 2022-06-28 2022-10-18 上海外高桥造船有限公司 Staircase antiskid
CN115199204B (en) * 2022-06-28 2023-12-19 上海外高桥造船有限公司 Anti-skid device for escalator

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