CA2234885C - Mecanisme de verrouillage de surete pour un verin d'elevation mecanique - Google Patents

Mecanisme de verrouillage de surete pour un verin d'elevation mecanique Download PDF

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Publication number
CA2234885C
CA2234885C CA 2234885 CA2234885A CA2234885C CA 2234885 C CA2234885 C CA 2234885C CA 2234885 CA2234885 CA 2234885 CA 2234885 A CA2234885 A CA 2234885A CA 2234885 C CA2234885 C CA 2234885C
Authority
CA
Canada
Prior art keywords
handle
lifting
latching member
yoke
lever
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 - Fee Related
Application number
CA 2234885
Other languages
English (en)
Other versions
CA2234885A1 (fr
Inventor
David M. Boulanger
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.)
Maasdam Powr Pull Inc
Original Assignee
Maasdam Powr Pull Inc
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 Maasdam Powr Pull Inc filed Critical Maasdam Powr Pull Inc
Priority to CA 2234885 priority Critical patent/CA2234885C/fr
Priority to EP99302830A priority patent/EP0950633A3/fr
Priority to US09/292,830 priority patent/US6176468B1/en
Publication of CA2234885A1 publication Critical patent/CA2234885A1/fr
Application granted granted Critical
Publication of CA2234885C publication Critical patent/CA2234885C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
    • B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
CA 2234885 1998-04-15 1998-04-15 Mecanisme de verrouillage de surete pour un verin d'elevation mecanique Expired - Fee Related CA2234885C (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA 2234885 CA2234885C (fr) 1998-04-15 1998-04-15 Mecanisme de verrouillage de surete pour un verin d'elevation mecanique
EP99302830A EP0950633A3 (fr) 1998-04-15 1999-04-13 Mécanisme de verrouillage de sécurité pour un cric mécanique
US09/292,830 US6176468B1 (en) 1998-04-15 1999-04-16 Safety locking mechanism for a mechanical lifting jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2234885 CA2234885C (fr) 1998-04-15 1998-04-15 Mecanisme de verrouillage de surete pour un verin d'elevation mecanique

Publications (2)

Publication Number Publication Date
CA2234885A1 CA2234885A1 (fr) 1999-10-15
CA2234885C true CA2234885C (fr) 2004-11-23

Family

ID=29275555

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2234885 Expired - Fee Related CA2234885C (fr) 1998-04-15 1998-04-15 Mecanisme de verrouillage de surete pour un verin d'elevation mecanique

Country Status (1)

Country Link
CA (1) CA2234885C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106672842A (zh) * 2017-03-02 2017-05-17 海盐爱华机械有限责任公司 一种使用方便的农用千斤顶

Also Published As

Publication number Publication date
CA2234885A1 (fr) 1999-10-15

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Legal Events

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