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AU2016100764A4 - Lock for a manhole cover, cover and methods - Google Patents

Lock for a manhole cover, cover and methods

Info

Publication number
AU2016100764A4
AU2016100764A4 AU2016100764A AU2016100764A AU2016100764A4 AU 2016100764 A4 AU2016100764 A4 AU 2016100764A4 AU 2016100764 A AU2016100764 A AU 2016100764A AU 2016100764 A AU2016100764 A AU 2016100764A AU 2016100764 A4 AU2016100764 A4 AU 2016100764A4
Authority
AU
Australia
Prior art keywords
cover
lock
aperture
manhole
locking tab
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.)
Ceased
Application number
AU2016100764A
Inventor
Nevil Hauffe
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.)
Npnh Nominees PtyLtd
Original Assignee
NPNH NOMINEES Pty Ltd
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 AU2015904124A external-priority patent/AU2015904124A0/en
Application filed by NPNH NOMINEES Pty Ltd filed Critical NPNH NOMINEES Pty Ltd
Priority to AU2016100764A priority Critical patent/AU2016100764A4/en
Application granted granted Critical
Publication of AU2016100764A4 publication Critical patent/AU2016100764A4/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

Abstract According to one aspect of the present invention, there is provided a lock for a manhole cover, the lock including a locking tab operable via a lifting key received in an aperture extending through the lock, the locking tab movable between locking and released positions to releasably secure the cover within a manhole, wherein the lock is configured so that the locking tab moves to a released position on rotation of the key inserted into the aperture and engaged with the cover to enable lifting, wherein the aperture extends through the lock enabling debris entering the aperture with the key removed to fall through the aperture into the void below the cover.' 12 14--- 44 16FIGURE 1 4
AU2016100764A 2015-10-09 2016-05-26 Lock for a manhole cover, cover and methods Ceased AU2016100764A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2016100764A AU2016100764A4 (en) 2015-10-09 2016-05-26 Lock for a manhole cover, cover and methods

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2015904124 2015-10-09
AU2015904124A AU2015904124A0 (en) 2015-10-09 Lock for a manhole cover, cover and methods
AU2016100764A AU2016100764A4 (en) 2015-10-09 2016-05-26 Lock for a manhole cover, cover and methods

Publications (1)

Publication Number Publication Date
AU2016100764A4 true AU2016100764A4 (en) 2016-07-14

Family

ID=56409372

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2016100764A Ceased AU2016100764A4 (en) 2015-10-09 2016-05-26 Lock for a manhole cover, cover and methods

Country Status (1)

Country Link
AU (1) AU2016100764A4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108265760A (en) * 2018-04-04 2018-07-10 祝国瑞 Electronic Manhole cover assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108265760A (en) * 2018-04-04 2018-07-10 祝国瑞 Electronic Manhole cover assembly

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Legal Events

Date Code Title Description
FGI Letters patent sealed or granted (innovation patent)
MK22 Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry