F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 7/12 (2006.01) F16H 7/08 (2006.01)
Patent
CA 2229943
A tension device for traction means includes a tension arm (1) having a tension roller (2) spring-loaded towards the traction means. The tension arm (1) is rotatably supported relative to a housing (4) by means of a sliding bearing (3). The sliding bearing surfaces (7, 12) are formed as parallel conical surfaces extending concentric to the tension arm shaft (5). A helical torsion spring (14) wound along the tension arm axis (5) and supported, on the one hand, by a tension arm fixed support (15) and, on the other hand, by a stationary support (16) exerts an axial force (F D) which is introduced into the sliding bearing (2) as a reaction force (F R) perpendicular to the sliding bearing surfaces (7, 12).
Un dispositif de serrage pour moyens de traction présente un bras (1) de tension dont le rouleau (2) de tension est maintenu contre le moyen de traction sous l'action d'un ressort. Le bras (1), monté face à un boîtier (4) au moyen d'un palier (3) à friction, est pivotant. Les surfaces (7, 12) du palier à friction sont conçues sous forme de surfaces parallèles entre elles et concentriques par rapport à l'axe (5) du bras. Un ressort hélicoïdal (14) enroulé autour de l'axe (5) du bras, plaqué d'un côté contre un support (15) fixé à un bras de tension et, de l'autre côté, contre un support (16) fixe, exerce une force (FD) axiale dirigée dans le palier (2) à friction sous la forme d'une force (FR) de réaction perpendiculaire aux surfaces (7, 12) du palier à friction.
Giese Peter
Petri Werner
Racke Mathis
Ina Walzlager Schaeffler Ohg
Macrae & Co.
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