Device for balancing of a radial threaded spindle...

Details Device for balancing of a radial threaded spindle... Device for balancing of a radial threaded spindle...

2005-11-01

2005-11-01

Siconolfi, Robert A. (Department: 3683)

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

C074S089230

Reexamination Certificate

active

06959620

ABSTRACT:
A device for balancing eccentricity of a spindle drive (1) to avoid blocking of the spindle drive during lifting movement of a platform (2), in which the platform is mounted on several axiparallel spindles (G1; G2; G3; G4) by bearing devices (L1; L2; L3; L4) arranged on it and can be lifted together with the bearing devices axially along the spindle. The spindle drive (1) has at least three axiparallel, rotatable threaded spindles (G1; G2; G3; G4) with bearing device (L1; L2; L3; L4) in a polygonal arrangement; low-friction bearing devices (L1; L2; L3; L4) with radial bearing clearance (F1; F2) are arranged to balance the radial eccentricity of the rotating threaded spindles so that a relative radial movement of the rotating spindles to platform (2) is possible with limited force expenditure.

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