FR490434A - Plateau porte-foret - Google Patents

Plateau porte-foret

Info

Publication number
FR490434A
FR490434A FR490434A FR490434DA FR490434A FR 490434 A FR490434 A FR 490434A FR 490434 A FR490434 A FR 490434A FR 490434D A FR490434D A FR 490434DA FR 490434 A FR490434 A FR 490434A
Authority
FR
France
Prior art keywords
drill plate
drill
plate
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
FR490434A
Other languages
English (en)
Inventor
Gunnar Theodor Sandstroem
Nils Gustaf Berglund
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 FR490434A publication Critical patent/FR490434A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
    • B23B31/1071—Retention by balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/02—Cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling Tools (AREA)
FR490434A 1916-03-29 1918-06-11 Plateau porte-foret Expired FR490434A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE490434X 1916-03-29

Publications (1)

Publication Number Publication Date
FR490434A true FR490434A (fr) 1919-04-22

Family

ID=9987706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490434A Expired FR490434A (fr) 1916-03-29 1918-06-11 Plateau porte-foret

Country Status (4)

Country Link
DE (1) DE309009C (fr)
FR (1) FR490434A (fr)
GB (1) GB115178A (fr)
NL (1) NL4770C (fr)

Also Published As

Publication number Publication date
GB115178A (fr)
DE309009C (fr)
NL4770C (fr)

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