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
B27B29/10—Assemblies for laterally adjusting or controlling the clamping or turning devices with respect to the thickness of the board to be sawn
Structure de transmission d'entrainement pour tracteur a changement de vitesse progressif ne necessitant pas la mise en oeuvre d'un embrayage, notamment pour tondeuse a gazon