CH271446A - Bohrkopf. - Google Patents

Bohrkopf.

Info

Publication number
CH271446A
CH271446A CH271446DA CH271446A CH 271446 A CH271446 A CH 271446A CH 271446D A CH271446D A CH 271446DA CH 271446 A CH271446 A CH 271446A
Authority
CH
Switzerland
Prior art keywords
drill head
drill
head
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Nationalunternehmen Tatra
Vyborny Antonin
Original Assignee
Nationalunternehmen Tatra
Vyborny Antonin
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 Nationalunternehmen Tatra, Vyborny Antonin filed Critical Nationalunternehmen Tatra
Publication of CH271446A publication Critical patent/CH271446A/de

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CH271446D 1948-08-07 1948-12-01 Bohrkopf. CH271446A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS271446X 1948-08-07

Publications (1)

Publication Number Publication Date
CH271446A true CH271446A (de) 1950-10-31

Family

ID=5451759

Family Applications (1)

Application Number Title Priority Date Filing Date
CH271446D CH271446A (de) 1948-08-07 1948-12-01 Bohrkopf.

Country Status (2)

Country Link
CH (1) CH271446A (fr)
FR (1) FR978409A (fr)

Also Published As

Publication number Publication date
FR978409A (fr) 1951-04-13

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