CA2440176C - Mecanisme de saisie des tiges de forage d'un trou de mine - Google Patents

Mecanisme de saisie des tiges de forage d'un trou de mine Download PDF

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Publication number
CA2440176C
CA2440176C CA002440176A CA2440176A CA2440176C CA 2440176 C CA2440176 C CA 2440176C CA 002440176 A CA002440176 A CA 002440176A CA 2440176 A CA2440176 A CA 2440176A CA 2440176 C CA2440176 C CA 2440176C
Authority
CA
Canada
Prior art keywords
arm
wrench
grip
jaw
cylinder
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
CA002440176A
Other languages
English (en)
Other versions
CA2440176A1 (fr
Inventor
Erwin Mock
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.)
Caterpillar Global Mining LLC
Original Assignee
Bucyrus International 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 Bucyrus International Inc filed Critical Bucyrus International Inc
Priority claimed from CA002208865A external-priority patent/CA2208865C/fr
Publication of CA2440176A1 publication Critical patent/CA2440176A1/fr
Application granted granted Critical
Publication of CA2440176C publication Critical patent/CA2440176C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Earth Drilling (AREA)
CA002440176A 1996-06-27 1997-06-26 Mecanisme de saisie des tiges de forage d'un trou de mine Expired - Fee Related CA2440176C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2066296P 1996-06-27 1996-06-27
US2069296P 1996-06-27 1996-06-27
US60/020,662 1996-06-27
US60/020,692 1996-06-27
CA002208865A CA2208865C (fr) 1996-06-27 1997-06-26 Mecanisme de saisie des tiges de forage d'un trou de mine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002208865A Division CA2208865C (fr) 1996-06-27 1997-06-26 Mecanisme de saisie des tiges de forage d'un trou de mine

Publications (2)

Publication Number Publication Date
CA2440176A1 CA2440176A1 (fr) 1997-12-27
CA2440176C true CA2440176C (fr) 2004-06-22

Family

ID=29273249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002440176A Expired - Fee Related CA2440176C (fr) 1996-06-27 1997-06-26 Mecanisme de saisie des tiges de forage d'un trou de mine

Country Status (1)

Country Link
CA (1) CA2440176C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE528664C2 (sv) * 2004-01-14 2007-01-16 Atlas Copco Rock Drills Ab Hållarnyckel för bergborrningsmaskin och bergborrningsmaskin inkluderande en sådan hållarnyckel

Also Published As

Publication number Publication date
CA2440176A1 (fr) 1997-12-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170627