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    • 2. 发明授权
    • Field repairable circular saw
    • 现场可修圆锯
    • US4563929A
    • 1986-01-14
    • US646277
    • 1984-08-30
    • David R. RingleePaul G. Gaddis
    • David R. RingleePaul G. Gaddis
    • A01G23/091B23D61/02B23D61/06B27B33/02
    • A01G23/091B23D61/021B23D61/023B23D61/06Y10T407/191Y10T407/1926Y10T407/1962Y10T83/9331Y10T83/9341
    • The present invention is an improved heavy duty circular saw useful for tree falling in conjunction with mechanized feller/buncher equipment. The saw is characterized by ruggedness, easy field repairability, and safety of operation. It is constructed using a flat metallic saw plate of circular configuration. A series of flat segment members are attached around the periphery of the saw plate on each face. Each of these segment members has a plurality of buttress- or tooth-shaped tooth retaining portions on the outer periphery. These buttresses are formed with gullet-shaped spaces between them. The segment members are in an abutting end-to-end relationship on each face of the saw plate. Segment members on opposite sides of the plate are in a staggered configuration so that the abutting end portions of the members on one side are generally located opposite the central portions of the segment members on the opposite side. The tooth retaining buttresses on each side are maintained in an aligned relationship. The segment members are preferably attached to the saw plate by bolting to threaded bushings retained within apertures in the saw plate. Individual teeth, bolted to the opposed buttress-shaped portions of the segment members, complete the construction. The saw is particularly strong because the design forms a continuous interconnected ring or hoop around the periphery. Cutting forces are spread throughout the ring and then transmitted to the saw disk. The interconnected hoop is a strong safety feature since the loss of several bolts in the construction will not cause catastrophic failure to the saw.
    • 本发明是一种改进的重型圆锯,可用于与机械化的伐木机/捆扎机设备结合使用的树木。 锯的特点是坚固耐用,易于现场维修,操作安全。 它使用圆形构造的平板金属锯板构造。 在每个面上的锯片的周边附着有一系列的平坦部件。 这些分段构件中的每一个在外周上具有多个支撑或齿形的齿保持部分。 这些扶手在它们之间形成有齿形空间。 分段构件在锯板的每个面上具有邻接的端对端关系。 板的相对侧上的分段构件是交错的构造,使得一侧的构件的邻接端部通常位于相对侧的分段构件的中心部分的相对侧。 两侧的牙齿保持支撑件保持对齐关系。 分段构件优选通过螺栓连接到锯板上,螺纹衬套保持在锯板中的孔内。 单独的齿,螺栓连接到分段构件的相对的支撑形部分,完成结构。 锯是特别强的,因为设计在周边形成连续的互连环或箍。 切割力分布在整个环上,然后传递到锯盘。 相互连接的环箍是一个强大的安全特征,因为在施工中几个螺栓的损失不会对锯造成灾难性的破坏。