F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 25/22 (2006.01) B29C 45/07 (2006.01) B29C 45/50 (2006.01)
Patent
CA 2235992
A device for converting a rotary motion into an axial motion comprises an outer tube (10) with internal contours (10a), an inner shaft (11) with head (11a) with external contours (11b), an inner chamber (R) formed between tube (10) and shaft (11) and a plurality of roller elements (12) arranged in the inner chamber (R) and around the head (11a), which are in active engagement with at least one contour with the internal contour (10a) of the tube (10) and the external contour (11b) of the head (11a), whose position can be adjusted essentially by rotation relative to the roller elements (12). The shaft (11) is surrounded by a tubular element (14) arranged coaxially with respect to the central axis (a-a) of the shaft, which moves translationally relative to the tube (10) when the device is actuated. By this the device is protected in a most simple way from exterior influences: (Fig. 2).
L'invention concerne un dispositif pour transformer un mouvement de rotation en un mouvement axial. Ce dispositif présente un tube (10) extérieur possédant un profil intérieur (10a), une tige (11) intérieure pourvue d'une tête (11a) dotée d'un profil extérieur (11b), un intervalle (R) formé entre le tube (10) et la tige (11) et plusieurs corps de roulement (12) disposés autour de la tête (11a). Les corps de roulement coopèrent par le biais d'au moins un profil avec le profil intérieur (10a) du tube (10) et avec le profil extérieur (11b) de la tête (11a) dont la position des corps de roulement (12) peut être ajustée essentiellement par rotation autour. La tige (11) est entourée d'un élément (14) tubulaire, coaxial par rapport à l'axe central (a-a) de la tige (11). Ledit élément effectue un déplacement de translation par rapport au tube (10) lors de l'actionnement du dispositif. Ainsi, le dispositif est protégé de manière simple contre les influences extérieures.
Hehl Karl
Macrae & Co.
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