FR559224A - Machine combinée pour servir comme charrue et comme herse - Google Patents

Machine combinée pour servir comme charrue et comme herse

Info

Publication number
FR559224A
FR559224A FR559224DA FR559224A FR 559224 A FR559224 A FR 559224A FR 559224D A FR559224D A FR 559224DA FR 559224 A FR559224 A FR 559224A
Authority
FR
France
Prior art keywords
harrow
plow
combined machine
combined
machine
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
Other languages
English (en)
Inventor
Edward Curtis Harvey
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 filed Critical
Application granted granted Critical
Publication of FR559224A publication Critical patent/FR559224A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/10—Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers
    • B21J7/12—Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers the lever being a spring, i.e. spring hammers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B19/00—Harrows with non-rotating tools
    • A01B19/02—Harrows with non-rotating tools with tools rigidly or elastically attached to a tool-frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Preliminary Treatment Of Fibers (AREA)
FR559224D 1922-02-16 1922-11-29 Machine combinée pour servir comme charrue et comme herse Expired FR559224A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US537129A US1457168A (en) 1922-02-16 1922-02-16 Hammer

Publications (1)

Publication Number Publication Date
FR559224A true FR559224A (fr) 1923-09-12

Family

ID=24141336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559224D Expired FR559224A (fr) 1922-02-16 1922-11-29 Machine combinée pour servir comme charrue et comme herse

Country Status (2)

Country Link
US (1) US1457168A (fr)
FR (1) FR559224A (fr)

Also Published As

Publication number Publication date
US1457168A (en) 1923-05-29

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