BE771791A - ACRE STEP DEVICE IN A WALL - Google Patents

ACRE STEP DEVICE IN A WALL

Info

Publication number
BE771791A
BE771791A BE771791A BE771791A BE771791A BE 771791 A BE771791 A BE 771791A BE 771791 A BE771791 A BE 771791A BE 771791 A BE771791 A BE 771791A BE 771791 A BE771791 A BE 771791A
Authority
BE
Belgium
Prior art keywords
acre
wall
step device
acre step
Prior art date
Application number
BE771791A
Other languages
French (fr)
Original Assignee
Zenhaeusern Heinrich
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 Zenhaeusern Heinrich filed Critical Zenhaeusern Heinrich
Publication of BE771791A publication Critical patent/BE771791A/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
    • E06C7/18—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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
BE771791A 1970-08-27 1971-08-26 ACRE STEP DEVICE IN A WALL BE771791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1296470A CH505276A (en) 1970-08-27 1970-08-27 Access equipment anchored in masonry

Publications (1)

Publication Number Publication Date
BE771791A true BE771791A (en) 1971-12-31

Family

ID=4388033

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771791A BE771791A (en) 1970-08-27 1971-08-26 ACRE STEP DEVICE IN A WALL

Country Status (6)

Country Link
US (1) US3786899A (en)
BE (1) BE771791A (en)
CH (1) CH505276A (en)
DE (1) DE2137963C3 (en)
FR (1) FR2105881A5 (en)
NO (1) NO131252C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430848A1 (en) * 1984-08-22 1986-03-06 Heinrich Urdorf Zürich Zenhäusern STIRRUPS FOR FASTENING IN WALL AREAS
FR2588912B1 (en) * 1985-10-23 1988-05-13 Materiel Securite Urb SEALING STEP AND FASTENING METHOD
WO1988005775A1 (en) * 1987-01-30 1988-08-11 Sandoz-Erfindungen Verwaltungsgesellschaft M.B.H. Novel xanthine derivatives
US5282339A (en) * 1992-04-27 1994-02-01 Dabico Inc. Aircraft servicing pit with retractable ladder
US5743355A (en) * 1996-07-31 1998-04-28 Mcdonnell; Charles A. Retractable ladder
FR2821886B1 (en) * 2001-03-09 2004-01-30 Sevylor Internat LADDER, ESPECIALLY POOL LADDER
DE20106892U1 (en) 2001-04-20 2001-06-28 Stahlbau Kurt Klatetzki GmbH & Co.KG, 58739 Wickede Manhole entry and ladder
GB0124110D0 (en) * 2001-10-06 2001-11-28 Channel Covers Ltd Mounting assembly
US7549256B1 (en) * 2006-04-10 2009-06-23 Watkins Donald J Modular window well and associated accessories
US8430205B2 (en) * 2009-01-07 2013-04-30 Polygroup Macau Limited (Bvi) Pool ladder safety system
US8235174B1 (en) * 2009-09-24 2012-08-07 Pelini Mark F Jack plate ladder
US8511430B1 (en) * 2009-09-24 2013-08-20 Mark F. Pelini Jack plate ladder lock with bushing
CA2786624C (en) * 2010-01-13 2017-08-22 Hiram (Wa) Pty Ltd Improved ladderway system for underground raises
US9845586B2 (en) * 2013-07-22 2017-12-19 Ronald ARMSTRONG Manhole frame with one or more handholds
CN104727743B (en) * 2015-03-10 2017-06-09 国家电网公司 A kind of cat ladder
US10927599B2 (en) * 2018-12-21 2021-02-23 Timothy Nakari Roof rack side ladder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US267031A (en) * 1882-11-07 spelmax
US438768A (en) * 1890-10-21 Lamp-bracket
GB1186090A (en) * 1966-09-06 1970-04-02 Seibu Gomu Kagaku Kk Device for Fitting Attachments to Quay-Walls and the like.
US3453796A (en) * 1966-09-17 1969-07-08 Siegfried Gutmann Carrier for concrete castings

Also Published As

Publication number Publication date
US3786899A (en) 1974-01-22
DE2137963C3 (en) 1979-07-26
FR2105881A5 (en) 1972-04-28
CH505276A (en) 1971-03-31
NO131252B (en) 1975-01-20
DE2137963B2 (en) 1978-11-23
NO131252C (en) 1975-04-30
DE2137963A1 (en) 1972-03-02

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