DE59807457D1 - Mobile entry aid - Google Patents

Mobile entry aid

Info

Publication number
DE59807457D1
DE59807457D1 DE59807457T DE59807457T DE59807457D1 DE 59807457 D1 DE59807457 D1 DE 59807457D1 DE 59807457 T DE59807457 T DE 59807457T DE 59807457 T DE59807457 T DE 59807457T DE 59807457 D1 DE59807457 D1 DE 59807457D1
Authority
DE
Germany
Prior art keywords
entry aid
mobile entry
spindle
ring
metal strip
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 - Lifetime
Application number
DE59807457T
Other languages
German (de)
Inventor
Uwe Haase
Emil Eggmann
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.)
B+N BERGBAUTECHNIK HANDELS GMBH, 46569 HüNXE, DE
Original Assignee
B & N Bergbautechnik GmbH
KSM GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7850441&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59807457(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by B & N Bergbautechnik GmbH, KSM GmbH filed Critical B & N Bergbautechnik GmbH
Application granted granted Critical
Publication of DE59807457D1 publication Critical patent/DE59807457D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Emergency Lowering Means (AREA)
  • Wire Processing (AREA)
  • Mechanical Means For Catching Fish (AREA)
  • Forging (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

A metal strip forming a ring (1) is expanded to clamp against the manhole by an arrangement in which an expanding gear (4) operated via a spindle is flexibly attached to the ends of the metal strip to vary the diameter of the ring. Preferably a crank (5) is provided to turn the spindle.
DE59807457T 1997-12-02 1998-10-06 Mobile entry aid Expired - Lifetime DE59807457D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19753332A DE19753332B4 (en) 1997-12-02 1997-12-02 Mobile entry-level help

Publications (1)

Publication Number Publication Date
DE59807457D1 true DE59807457D1 (en) 2003-04-17

Family

ID=7850441

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19753332A Expired - Fee Related DE19753332B4 (en) 1997-12-02 1997-12-02 Mobile entry-level help
DE59807457T Expired - Lifetime DE59807457D1 (en) 1997-12-02 1998-10-06 Mobile entry aid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19753332A Expired - Fee Related DE19753332B4 (en) 1997-12-02 1997-12-02 Mobile entry-level help

Country Status (5)

Country Link
EP (1) EP0921236B1 (en)
AT (1) ATE234394T1 (en)
CZ (1) CZ393598A3 (en)
DE (2) DE19753332B4 (en)
PL (1) PL196536B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859614B4 (en) * 1998-12-23 2009-08-13 B+N Bergbautechnik Handels Gmbh Hook-in ladder for mobile boarding assistance
DE19859615A1 (en) * 1998-12-23 2000-06-29 B & N Bergbautechnik Gmbh Shaft entry aid for personnel comprizes holding rod with top grip and positively actuatingly joined to spreader drive below for insert ring expansion onto shaft wall plus rod container sleeve.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9320561U1 (en) * 1993-07-02 1994-09-08 Buderus Guss Gmbh, 35576 Wetzlar Entry aid for manholes
DE29620046U1 (en) * 1996-11-19 1997-01-09 Smit, Wilhelm, 47445 Moers Mobile entry aid

Also Published As

Publication number Publication date
DE19753332A1 (en) 1999-06-10
EP0921236B1 (en) 2003-03-12
PL196536B1 (en) 2008-01-31
ATE234394T1 (en) 2003-03-15
CZ393598A3 (en) 1999-06-16
PL329992A1 (en) 1999-06-07
DE19753332B4 (en) 2007-11-22
EP0921236A1 (en) 1999-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: B+N BERGBAUTECHNIK HANDELS GMBH, 46569 HüNXE, DE

8310 Action for declaration of annulment