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    • 3. 发明申请
    • MAGNETIC RATCHET/CLUTCH TYPE APPARATUS
    • MAGNETIC RATCHET / CLUTCH TYPE APPARATUS
    • WO9849455A3
    • 1999-04-15
    • PCT/US9807742
    • 1998-04-15
    • BARNETT FRANKLIN ESMITH BRIAN D
    • BARNETT FRANKLIN ESMITH BRIAN D
    • B25B13/46F16D41/066F16D41/08
    • F16D41/064B25B13/462F16D41/086
    • Ratchet wrenches (510) and socket (527) combinations using a magnetic ratchet clutch apparatus are disclosed, one of which defines a "through hole" for allowing bolts to pass entirely through the socket (527) and the wrench head (512) so that a nut can be threaded on a bolt of any length. The head (512) defines a chamber in which a ratchet wheel (516) is received for rotation relative to the wrench head (512). The chamber (516) also has pockets (524) for receiving and positioning pawls (518) adjacent the wheel (516) to facilitate their movement between a drive and release positions. A permanent ring magnet (522) is mounted to one side of the wheel (516) for socket retention and attracting the pawls (518) to allow movement of at least one pawl into the drive position in which it is between the ratchet wheel and a wall of the pocket to lock the head (512) and wheel (516) together so that a drive stroke can be made with the wrench.
    • 公开了使用磁性棘轮离合器装置的棘轮扳手(510)和插座(527)组合,其中一个限定了用于允许螺栓完全穿过插座(527)和扳手头(512)的“通孔”,使得 螺母可以拧在任何长度的螺栓上。 头部(512)限定了一个腔室,其中棘轮(516)相对于扳手头(512)被容纳以便旋转。 腔室516还具有用于接收和定位与轮(516)相邻的棘爪(518)的凹穴(524),以便于它们在驱动和释放位置之间移动。 永久环形磁铁(522)安装在车轮(516)的一侧,用于保持插座并吸引棘爪(518),以允许至少一个棘爪移动到驱动位置,在该驱动位置,棘轮与一个 口袋的壁将头部(512)和轮(516)锁定在一起,从而可以用扳手制造驱动行程。