Actuating device with intermediate rolling elements

Details Actuating device with intermediate rolling elements Actuating device with intermediate rolling elements

2006-05-16

2006-05-16

Fenstermacher, David (Department: 3682)

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

C074S424920

Reexamination Certificate

active

07044012

ABSTRACT:
Actuating device comprising a longitudinal shaft (2), an intermediate tailstock spindle (3), an outside sleeve (4), internal thread means (5) making it possible to connect the longitudinal shaft and the intermediate tailstock spindle to generate an axial movement of one with respect to the other, external thread means (6) making it possible to couple the intermediate tailstock spindle and the outside sleeve and suitable for generating an axial movement of one with respect to the other, the said internal coupling means comprising internal roller elements (7) engaged on the one hand with the external and internal threads of the intermediate tailstock spindle and/or the said external coupling means comprising external roller elements (25) engaged on the one hand with the external thread of the intermediate tailstock spindle and the internal thread of the outside sleeve and comprising coupling means making it possible to couple the shaft and the intermediate tailstock spindle or the intermediate tailstock spindle and the internal thread of the outside sleeve selectively while rotating.

REFERENCES:
patent: 4050319 (1977-09-01), Stanley
patent: 4576057 (1986-03-01), Saari
patent: 5358265 (1994-10-01), Yaple
patent: 5370012 (1994-12-01), Stanley
patent: 5836208 (1998-11-01), Dietrich et al.
patent: 5848554 (1998-12-01), Kober et al.
patent: 6234034 (2001-05-01), Ando
patent: 197 11 773 (1998-09-01), None
patent: 199 03 718 (2000-06-01), None

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