Tool head
Patent 6925718 Issued on August 9, 2005. Estimated Expiration Date: 
August 12, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 12, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3564824 Saw arbor and guided circular saw Driving device Patent #: 6243956 InventorsAssigneeApplicationNo. 10219377 filed on 08/12/2002US Classes:30/276, Rotary blade30/347, Rotary56/295, Rotating cutting disk83/665, Mounting of tool about rod-type shaft30/389With peripheral drive meansExaminersPrimary: Watts, Douglas D.Attorney, Agent or FirmInternational ClassesA01D034/00A01D034/412 AbstractA tool head for a motor-driven, manually guided implement for receiving a rotatable cutter tool is provided. The tool head comprises a housing in which is provided a tool shaft that is rotatably mounted via bearings. Secured on the tool shaft so as to turn with it is a tool carrying mechanism for the cutter tool. This tool carrying mechanism includes an engagement plate having an engagement surface, which is oriented perpendicular to the axis of the shaft, and a centering shoulder. The engagement plate and a centering element having the centering shoulder are embodied as separate components. The engagement plate is of light weight construction and is positively connected with the tool shaft. The centering element is made of a material, the hardness of which is adapted to the cutter tool. | |
