Title:
【発明の名称】引きケーブルの固定-緊張装置
Document Type and Number:
Japanese Patent JP2885667
Kind Code:
B2
Abstract:
The ram boring machine incorporates a clamping element (10). This has parallel clamping cheeks (11) guided on parallel linkage arms (12). The linkage arms are connected to an extension (9) of the pressure piece (5). A lever extension (13) is fitted to one of the parallel linkage arms for the release of the clamping cheeks. The lever extension is subject to the force of a spring (14), and the tensioning element (20) also has parallel clamping cheeks (16).
Inventors:
FURANTSUUYOZEFU PYUTSUTOMAN
ARUFUONSU HETSUSE
ARUFUONSU HETSUSE
Application Number:
JP21404795A
Publication Date:
April 26, 1999
Filing Date:
July 31, 1995
Export Citation:
Assignee:
TORAKUTO TEHINIKU PAORU SHUMITSUTO SHUPETSUIARUMASHIINEN KG
International Classes:
E21B1/02; B21F9/00; E21B1/00; E21B7/20; E21B7/26; E21B19/08; E21B19/084; (IPC1-7): E21B7/26; E21B1/00
Attorney, Agent or Firm:
Asato Kato