Rotolinear actuator with satellite rollers

Details Rotolinear actuator with satellite rollers Rotolinear actuator with satellite rollers

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 57/04 (2010.01) F16H 25/22 (2006.01) F16N 7/12 (2006.01)

Patent

CA 2710173

The invention relates to a rotolinear actuator that comprises: a central rod (1) having an outer thread (2) and surrounded by a ring (4) with an inner thread (6), and threaded satellite rollers (7) distributed between the central rod and the outer ring and engaged with the threaded faces thereof. The actuator includes means for dispensing by capillarity a liquid lubricant (L) at at least one contact area of at least one satellite roller (7) with the central rod (1) and with the outer ring (4), wherein the lubricant is dispensed by capillarity at the contact locations of the interacting members.

Actionneur rotolinéaire comportant: une tige (1) centrale filetée (2) extérieurement et entourée par une bague (4) filetée (6) intérieurement (6), et des rouleaux satellites (7) filetés répartis entre la tige centrale et la bague externe et en prise avec les faces filetées de celles-ci; l' actionneur comporte des moyens de distribution capillaire d¦un lubrifiant (L) liquide au niveau d'au moins une zone de contact d'au moins un rouleau satellite (7) avec la tige (1) centrale et avec la bague (4) externe; ainsi le lubrifiant (L) est distribué par capillarité aux emplacements de contact des organes coopérants.

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