WORKING MACHINE

• Main Author: INAGAWA HIROTO
• Format: Patent
• Language: English
• Published: 13.10.2011
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BLASTING; COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR; COMPONENTS OR ACCESSORIES THEREFOR; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR; ENGINEERING ELEMENTS AND UNITS; FISHING; FORESTRY; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HAND TOOLS; HEATING; HORTICULTURE; HUMAN NECESSITIES; HUNTING; LIGHTING; MANIPULATORS; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; SAWS FOR WOOD OR SIMILAR MATERIAL; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; TRAPPING; WATERING; WEAPONS; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

PROBLEM TO BE SOLVED: To provide a working machine capable of improving durability and vibration control performance.SOLUTION: A chain saw includes a casing 5 for storing an engine to drive a saw chain and including a recessed portion 15, a frame 9 including a handle gripped by a worker and a projection 14 having an outer diameter smaller than an inner diameter of the recessed portion 15, an outer wall 23, a hole 21 including an inner wall 22 substantially concentric with the outer wall 23 extending from an opening 33 located at one end toward the other end and a groove 28 extending from the other end toward one end between the outer wall 23 and the hole 21. Furthermore, the chain saw includes an elastic member 20 for connecting the casing 5 and the frame 9 by inserting the outer wall 23 into the recessed portion 15 and inserting the projection 14 into the hole 21.