Turning – Lathe – Work rest
Patent
1993-11-16
1996-01-09
Rosenbaum, Mark
Turning
Lathe
Work rest
B23B 1312, B23B 3100
Patent
active
054819512
ABSTRACT:
A self-centering support for clamping and/or securing a workpiece on a turning lathe has a housing and three securing members connected in the housing and adjustable in a common plane for securing the workpiece. A first and a second one of the securing members are positioned laterally within the housing and are arranged mirror-symmetrically to one another. Each first and second securing members comprises a pivot bolt for pivotably connected them to the housing. A third securing member is positioned between the first and second securing members and is slidably guided within the housing so as to be radially displaceable relative to the workpiece. The third securing member has a center piece with control surfaces. The first and second securing members each have an end for operating with the control surfaces of the center piece. A first rocker arm couples the first and third securing members for displacement of the first securing member such that upon actuation of the rocker arm an insertion opening for the workpiece is enlarged. The first rocker is an angular lever with a first and a second leg and pivotably supported at the housing and/or at the first securing member. The rocker arm is pivotable by displacement of the third securing member according to a control curve.
REFERENCES:
patent: 4463635 (1984-08-01), Hafla et al.
patent: 4519279 (1980-05-01), Ruggeri
patent: 4754673 (1988-07-01), Hiestand
Hansen Kenneth J.
Rosenbaum Mark
SMW Schneider & Weisshaupt GmbH
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