Options
Title
Kraftzange zum Fuegen oder Umformen von Teilen
Date Issued
1991
Author(s)
Woessner, J.
Patent No
1990-4008064
Abstract
The invention relates to a power tongs for the jointing or shaping of parts, said tongs having two arms (3, 3') mutually movable arms by means of a drive, at the free ends of the arms of which is arranged an active device (5, 5') for jointing or shaping, the purpose of which is to ensure a precise dimensionally accurate operation when the arms are subjected to extreme bending out; a total of four arms (1, 1', 3, 3') are provided, being mutually movable in pairs, such that the two arms (3, 3') bearing the active devices (5, 5') are free, or only mutually movable against the effect of a spring, the two other mutually movable arms being powered arms (1, 1') which are mutually movable by means of a drive, and the ends of said powered arms (1, 1') acting on the free arms (3, 3') with their active devices (5, 5') being mutually movable in relation to said free arms.
Language
de
Patenprio
DE 1990-4008064 A: 19900314