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    Innerspring manufacturing equipment
    4.
    发明授权
    Innerspring manufacturing equipment 失效
    内部制造设备

    公开(公告)号：US3875976A

    公开(公告)日：1975-04-08

    申请号：US38292673

    申请日：1973-07-26

    申请人： WELLS CO FRANK L

    发明人： HEIMLICH BERNARD M ,  YATES CHESTER R ,  COX LEONARD M

    IPC分类号： B21F33/04 ,  B21F27/16

    CPC分类号： B21F33/04

    摘要： Disclosed is equipment for joining together parallel rows of coiled springs by means of helical wires. Two rows of spaced clamps hold two parallel rows of coiled springs which overlap at the spring ends while the helical wires are wound about the overlap of the springs. The equipment includes an assembly for opening and closing the clamps with minimum wear of equipment components. If substantial wear does occur, the assembly includes means which can be manually adjusted to compensate for the wear. Thus, accurate and precise alignment of the clamps can be easily maintained. The assembly for opening and closing the clamps includes four elements: a cam, an actuator, a cam follower and a connector. The actuator, connected to the cam, is driven by a pneumatic cylinder to move the cam. The connector has the cam follower attached to one end and movable jaw members of the clamps attached to its other end. When the cam moves, the follower follows its movement. This causes the connecting means to move the movable jaw members between open and closed positions.