CA1103446A - Defonceuse a chocs - Google Patents

Defonceuse a chocs

Info

Publication number
CA1103446A
CA1103446A CA336,617A CA336617A CA1103446A CA 1103446 A CA1103446 A CA 1103446A CA 336617 A CA336617 A CA 336617A CA 1103446 A CA1103446 A CA 1103446A
Authority
CA
Canada
Prior art keywords
shank
axis
ripper
pivot pin
impact
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
CA336,617A
Other languages
English (en)
Inventor
Delwin E. Cobb
Richard E. Livesay
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 Inc
Original Assignee
Caterpillar Tractor Co
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 PCT/US1979/000077 external-priority patent/WO1980001637A1/fr
Priority claimed from US06/031,560 external-priority patent/US4229044A/en
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1103446A publication Critical patent/CA1103446A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA336,617A 1979-02-12 1979-09-28 Defonceuse a chocs Expired CA1103446A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/US1979/000077 WO1980001637A1 (fr) 1979-02-12 1979-02-12 Defonceuse a impact
USPCT79/00077 1979-02-12
US31,560 1979-02-12
US06/031,560 US4229044A (en) 1979-02-12 1979-02-12 Clevis-mounted impact ripper

Publications (1)

Publication Number Publication Date
CA1103446A true CA1103446A (fr) 1981-06-23

Family

ID=26707398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA336,617A Expired CA1103446A (fr) 1979-02-12 1979-09-28 Defonceuse a chocs

Country Status (1)

Country Link
CA (1) CA1103446A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry