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    • 1. 发明公开
    • ELECTRODE PRODUCTION SYSTEM FOR SECONDARY BATTERY
    • EP4425592A1
    • 2024-09-04
    • EP24705346.5
    • 2024-01-15
    • Youil Energy Tech.Co., Ltd
    • CHUNG, Youn GilKIM, Byoung Yeul
    • H01M4/04H01M10/04B23K26/362B23K26/16B08B15/04B23K101/36
    • An embodiment of the present invention provides a secondary battery electrode production system comprising a notching portion, wherein the notching portion includes a laser portion configured to irradiate the electrode material with a laser beam along a notching line, and a pusher portion disposed above the electrode material, and the pusher portion comprises a pusher in contact with the electrode material and an air blower connected to the pusher, wherein the pusher, during notching, makes contact with an area of the electrode material excluding the notching line, fixing the electrode material while fixing both a coated portion and a non-coated portion of the electrode material, wherein the pusher includes a lower block in contact with the electrode material, an upper block coupled to the lower block, and an air nozzle portion that corresponds to a gap between the lower block and the upper block, and the pusher includes a first pusher and a second pusher, wherein the first pusher and the second pusher are spaced apart from each other in a front-and-rear direction, and the first pusher presses both the coated portion and the non-coated portion, while the second pusher presses only the coated portion, wherein the first pusher includes a body in contact with the coated portion, and an extension portion in contact with both the non-coated portion and the coated portion and the air nozzle portion includes a first air nozzle disposed along the front-and-rear direction on the body and configured to spray air from behind scrap and a second air nozzle disposed along a left-and-right direction on the extension portion and configured to spray air from the side of the scrap.
    • 9. 发明公开
    • CHAIN SAW
    • EP4424446A1
    • 2024-09-04
    • EP22886124.1
    • 2022-10-28
    • Positec Power Tools (Suzhou) Co., Ltd.
    • JIANG, YibangYU, Xuefeng
    • B23D57/02B27B17/12
    • B23D57/02B23D59/00B23D59/04B27B17/12F16N7/38F16N23/00
    • The present invention relates to a chain saw, including a housing, a working head, a protective member, and a pumping mechanism. The working head includes a guide plate and a cutting element arranged around the guide plate. The cutting element moves around the guide plate to implement cutting. The protective member is movably mounted on the housing, and at least partially covered on the working head. The pumping mechanism is configured to deliver a lubricating medium to the working head. The pumping mechanism is configured to output the lubricating medium as triggered by movement of the protective member. When the working head is in a working state, the protective member is pushable by a to-be-cut object to move in a direction away from the working head, to trigger the pumping mechanism to output the lubricating medium. It is implemented that the pumping mechanism can output the lubricating medium only when the protective member is open and the protective member is moving, and does not output the lubricating medium when the working head is not working or in a no-load state, so that an action of pumping the lubricating medium is performed purposefully and regularly, which effectively avoids dry grinding between the cutting element and the guide plate, prolongs the service life of the working head, and can avoid waste of the lubricating medium.