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Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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Priority claimed from DEP2449Dexternal-prioritypatent/DE866271C/de
Application filed by Dr Ing HCF Porsche AGfiledCriticalDr Ing HCF Porsche AG
Application grantedgrantedCritical
Publication of FR51871EpublicationCriticalpatent/FR51871E/fr
A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
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FR51871D1941-01-241941-12-05Dispositif hydraulique pour relever et abaisser des instruments aratoires tirés par un tracteur
ExpiredFR51871E
(fr)
Parallélogramme articulé pouvant être élevé et abaissé pour relier des machines et instruments agricoles à un dispositif de traction, notamment à un tracteur