GB191105510A - Improvements in Manhole Covers. - Google Patents

Improvements in Manhole Covers.

Info

Publication number
GB191105510A
GB191105510A GB191105510DA GB191105510A GB 191105510 A GB191105510 A GB 191105510A GB 191105510D A GB191105510D A GB 191105510DA GB 191105510 A GB191105510 A GB 191105510A
Authority
GB
United Kingdom
Prior art keywords
cover
manhole covers
turnbutton
adams
stayed
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
Samuel Henry Adams
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 GB191105510A publication Critical patent/GB191105510A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

5510. Adams, S. H. March 6. Stays. - A manhole cover, provided with a safety grating which rises automatically on pivoted links into an horizontal position when the cover is opened, is stayed in the open position by struts hinged to the cover c and having recesses m engaging with projections n on the frame a. Each strut is formed with a heel-piece k, locked by means of a turnbutton l.
GB191105510D 1911-03-06 1911-03-06 Improvements in Manhole Covers. Expired GB191105510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191105510T 1911-03-06

Publications (1)

Publication Number Publication Date
GB191105510A true GB191105510A (en) 1912-02-15

Family

ID=32497298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191105510D Expired GB191105510A (en) 1911-03-06 1911-03-06 Improvements in Manhole Covers.

Country Status (1)

Country Link
GB (1) GB191105510A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012683A3 (en) * 2009-07-29 2011-10-20 Suzlon Energy Gmbh Housing for a wind turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012683A3 (en) * 2009-07-29 2011-10-20 Suzlon Energy Gmbh Housing for a wind turbine

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