FR481971A - Perfectionnements apportés ou relatifs aux marteaux mécaniques - Google Patents

Perfectionnements apportés ou relatifs aux marteaux mécaniques

Info

Publication number
FR481971A
FR481971A FR481971DA FR481971A FR 481971 A FR481971 A FR 481971A FR 481971D A FR481971D A FR 481971DA FR 481971 A FR481971 A FR 481971A
Authority
FR
France
Prior art keywords
relating
improvements made
mechanical hammers
hammers
mechanical
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
William Blacker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR481971A publication Critical patent/FR481971A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR481971D 1915-09-25 1916-06-08 Perfectionnements apportés ou relatifs aux marteaux mécaniques Expired FR481971A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB481971X 1915-09-25

Publications (1)

Publication Number Publication Date
FR481971A true FR481971A (fr) 1917-02-06

Family

ID=1519016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481971D Expired FR481971A (fr) 1915-09-25 1916-06-08 Perfectionnements apportés ou relatifs aux marteaux mécaniques

Country Status (1)

Country Link
FR (1) FR481971A (fr)

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