Illinois Tool Works Inc.

Lionel Martin

Didier Richard

Arnaud Birker

Xavier Bibollet

A self-locking epicyclic gear train that includes a pinion with at least one helical gear tooth, a ring gear with a plurality of helical gear teeth and a plurality of planet gears between the pinion and the ring gear. Each planet gear comprises a plurality of helical gear teeth that engage the teeth of the ring gear and of the pinion. The helical gear teeth have a helix angle of less than 20° and the pinion is always in contact with at least one tooth of each planet gear.

Epicyclic gear train

The present disclosure relates to a globoid worm gear () for engagement with a worm () in a worm gear assembly (). The globoid worm gear () includes first and second side surfaces (), a circumferential surface (), and an axis of rotation. The globoid worm gear () also includes a plurality of gear teeth () spaced about the circumferential surface () with spaces () arranged between adjacent gear teeth (), the plurality of gear teeth () being configured to engage the worm (). The plurality of gear teeth () are configured such that the spaces () between adjacent gear teeth () open into the first side surface ().

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Sallanches, France

Lionel Martin