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    • 4. 发明公开
    • Vibration dampening saw chain
    • SchwingungsgedämpfteSägekette。
    • EP0251493A1
    • 1988-01-07
    • EP87304773.2
    • 1987-05-29
    • BLOUNT, INC.
    • MacGavin, Donald J.
    • B27B33/14
    • B27B33/141Y10T83/909Y10T83/925
    • A saw chain length including articulated alternating centre drive links (14) and side links. Cutting links (16,22) provide certain of the side links and a safety side link (20,24) precedes each cutting link. The safety side link and its opposing tie strap link have shaved heel portions (42) and thereby are raised off the guide bar when normally tensioned around the guide bar. The safety link (20,24) is configured whereby engagement thereof by material being cut during a cutting operation induces pivoting of the safety link against the opposing tension force, which tension force thereby absorbs the impact prior to engagement of the heel portion with the guide bar edge.
    • 锯链长度,包括铰接的交替的中心驱动连杆(14)和侧连杆。 切割链路(16,22)提供某些侧链路,并且在每个切割链路之前提供安全侧链路(20,24)。 安全侧连杆及其相对的连接带链条已经刮削后跟部分(42),从而当在导杆周围正常张紧时从导杆上升起。 安全连杆(20,24)构造成通过在切割操作期间被切割的材料的接合引起安全连杆克服相反的拉力的枢轴转动,该拉力从而在跟部与引导件接合之前吸收冲击 酒吧边缘