FR603984A - Improvements in swifts - Google Patents

Improvements in swifts

Info

Publication number
FR603984A
FR603984A FR603984DA FR603984A FR 603984 A FR603984 A FR 603984A FR 603984D A FR603984D A FR 603984DA FR 603984 A FR603984 A FR 603984A
Authority
FR
France
Prior art keywords
swifts
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
French (fr)
Inventor
Alfred Ernst Horman
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 FR603984A publication Critical patent/FR603984A/en
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)
FR603984D 1925-07-07 1925-07-07 Improvements in swifts Expired FR603984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR603984T 1925-07-07

Publications (1)

Publication Number Publication Date
FR603984A true FR603984A (en) 1926-04-27

Family

ID=8973034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR603984D Expired FR603984A (en) 1925-07-07 1925-07-07 Improvements in swifts

Country Status (1)

Country Link
FR (1) FR603984A (en)

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