CA2224279A1 - Access device - Google Patents

Access device

Info

Publication number
CA2224279A1
CA2224279A1 CA 2224279 CA2224279A CA2224279A1 CA 2224279 A1 CA2224279 A1 CA 2224279A1 CA 2224279 CA2224279 CA 2224279 CA 2224279 A CA2224279 A CA 2224279A CA 2224279 A1 CA2224279 A1 CA 2224279A1
Authority
CA
Canada
Prior art keywords
main body
access
link
control link
drive
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.)
Granted
Application number
CA 2224279
Other languages
French (fr)
Other versions
CA2224279C (en
Inventor
Robert Ian Hedley
Christopher Nash Whybin
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.)
Hedweld Engineering Pty Ltd
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
Publication of CA2224279A1 publication Critical patent/CA2224279A1/en
Application granted granted Critical
Publication of CA2224279C publication Critical patent/CA2224279C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
  • Automatic Disk Changers (AREA)

Abstract

An access device for providing access between a lower level and an upper level, the access device including a main body mounted for pivotal movement about a main body pivot mounting between an access position in which it enables access between the upper and lower levels and a stowed position in which a substantial part thereof is disposed above the main body pivot mounting; a drive mechanism operable to cause movement of the main body between the operative and stowed positions, the drive mechanism including a drive device and a link mechanism, the link mechanism including control link means mounted for pivotal movement about a control link pivot mounting, the control link being operatively connected to the drive device at a first connecting point, coupling link means operatively connecting the main body to the control link means, the coupling link means being connected to the main body at a second connecting point, the arrangement being such that actuation of the drive means causes the connection between the coupling means and the main body to be displaced upwardly or downwardly to move the main body between the access position and the stowed position.
CA 2224279 1996-12-11 1997-12-09 Access device Expired - Lifetime CA2224279C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO4146A AUPO414696A0 (en) 1996-12-11 1996-12-11 Access device
AUP04146/96 1996-12-11

Publications (2)

Publication Number Publication Date
CA2224279A1 true CA2224279A1 (en) 1998-06-11
CA2224279C CA2224279C (en) 2007-02-27

Family

ID=3798454

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2224279 Expired - Lifetime CA2224279C (en) 1996-12-11 1997-12-09 Access device

Country Status (2)

Country Link
AU (1) AUPO414696A0 (en)
CA (1) CA2224279C (en)

Also Published As

Publication number Publication date
AUPO414696A0 (en) 1997-01-09
CA2224279C (en) 2007-02-27

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20171211