B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
B27B29/00—Gripping, clamping or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
B27B29/08—Trunk or log carriages with gripping means designed to pass the saw blade(s), especially for band saws; Arrangement of gripping accessories thereon; Turning devices thereon
Dispositif de commande de la course d'un groupe de verins d'un systeme de soutenement hydraulique, en particulier pour caler les etancons d'un soutenement marchant