发明名称 SEALED REVERSIBLE RATCHET WRENCH
摘要 A reversible ratchet wrench (10) including a ratchet body (11) having a round head portion (12) with a cylindrical, internally toothed opening (13). A ratchet mechanism, including a drive body (20) is disposed in the opening. A reversing member (43) is secured to the body to confine a pawl assembly (30). An annular shoulder surface on the ratchet body faces a corresponding annular shoulder surface on the reversing member. A second annular shoulder surface on the ratchet body faces a corresponding annular shoulder surface on the drive body. Annular seal members (80, 80A), each having a pair of radially inwardly extending and axially diverging flexible and resilient lips, are located between the corresponding sets of annular shoulder surfaces.
申请公布号 WO9928091(A1) 申请公布日期 1999.06.10
申请号 WO1998US25339 申请日期 1998.11.30
申请人 SNAP-ON TOOLS COMPANY 发明人 SLUSAR, RANDALL, J.;HOFF, JEFFREY, H.
分类号 B25B13/46;F16D41/12;F16J15/32;(IPC1-7):B25B13/46 主分类号 B25B13/46
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