Title:
MEANS FOR SIMULUTANEOUSLY TIGHTENING A PLURALITY OF SCREWED BOLTS
Document Type and Number:
Japanese Patent JPS53132900
Kind Code:
A
Abstract:
A device for tensioning a screw bolt wherein the device comprises a lifting cylinder having a piston and arranged on a support ring and means responsive to the piston for engaging the screw bolt in a positive locking manner including: a first member engaged by the piston; a second member hinged to the first member; and guide surfaces for pressing the second member against an engagement surface of the screw bolt in a positive engaging and self-locking manner.
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Inventors:
GERUHARUTO EKUSUNAA
FUORUFUANGO FUESUCHINORI
FUORUFUANGO FUESUCHINORI
Application Number:
JP4517478A
Publication Date:
November 20, 1978
Filing Date:
April 17, 1978
Export Citation:
Assignee:
KRAFTWERK UNION AG
International Classes:
B23P19/06; B25B21/00; B25B23/14; G21C13/02; B25B23/145; B25B29/00; B25B29/02; (IPC1-7): B25B21/00; G21C13/06